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Unified Diff: ui/views/controls/label_unittest.cc

Issue 329813003: Reland: Use labels to display views tab titles. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Call AddChildView(title_) on Tab to prevent leaks. Created 6 years, 6 months ago
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Index: ui/views/controls/label_unittest.cc
diff --git a/ui/views/controls/label_unittest.cc b/ui/views/controls/label_unittest.cc
index 5825b6c88dad84516b88b5d4e916ec5bc00eaf01..f6b9c03664c48b3cf8ac2f9425f49c09428e7e1b 100644
--- a/ui/views/controls/label_unittest.cc
+++ b/ui/views/controls/label_unittest.cc
@@ -1,906 +1,908 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ui/views/controls/label.h"
-
-#include "base/i18n/rtl.h"
-#include "base/strings/utf_string_conversions.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/accessibility/ax_view_state.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/gfx/canvas.h"
-#include "ui/views/border.h"
-
-using base::ASCIIToUTF16;
-
-namespace views {
-
-// All text sizing measurements (width and height) should be greater than this.
-const int kMinTextDimension = 4;
-
-TEST(LabelTest, FontPropertySymbol) {
- Label label;
- std::string font_name("symbol");
- gfx::Font font(font_name, 26);
- label.SetFontList(gfx::FontList(font));
- gfx::Font font_used = label.font_list().GetPrimaryFont();
- EXPECT_EQ(font_name, font_used.GetFontName());
- EXPECT_EQ(26, font_used.GetFontSize());
-}
-
-TEST(LabelTest, FontPropertyArial) {
- Label label;
- std::string font_name("arial");
- gfx::Font font(font_name, 30);
- label.SetFontList(gfx::FontList(font));
- gfx::Font font_used = label.font_list().GetPrimaryFont();
- EXPECT_EQ(font_name, font_used.GetFontName());
- EXPECT_EQ(30, font_used.GetFontSize());
-}
-
-TEST(LabelTest, TextProperty) {
- Label label;
- base::string16 test_text(ASCIIToUTF16("A random string."));
- label.SetText(test_text);
- EXPECT_EQ(test_text, label.text());
-}
-
-TEST(LabelTest, ColorProperty) {
- Label label;
- SkColor color = SkColorSetARGB(20, 40, 10, 5);
- label.SetAutoColorReadabilityEnabled(false);
- label.SetEnabledColor(color);
- EXPECT_EQ(color, label.enabled_color());
-}
-
-TEST(LabelTest, AlignmentProperty) {
- Label label;
- bool reverse_alignment = base::i18n::IsRTL();
-
- label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
- EXPECT_EQ(reverse_alignment ? gfx::ALIGN_LEFT : gfx::ALIGN_RIGHT,
- label.horizontal_alignment());
- label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
- EXPECT_EQ(reverse_alignment ? gfx::ALIGN_RIGHT : gfx::ALIGN_LEFT,
- label.horizontal_alignment());
- label.SetHorizontalAlignment(gfx::ALIGN_CENTER);
- EXPECT_EQ(gfx::ALIGN_CENTER, label.horizontal_alignment());
-
- // The label's alignment should not be flipped if the directionality mode is
- // AUTO_DETECT_DIRECTIONALITY.
- label.set_directionality_mode(Label::AUTO_DETECT_DIRECTIONALITY);
- label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
- EXPECT_EQ(gfx::ALIGN_RIGHT, label.horizontal_alignment());
- label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
- EXPECT_EQ(gfx::ALIGN_LEFT, label.horizontal_alignment());
- label.SetHorizontalAlignment(gfx::ALIGN_CENTER);
- EXPECT_EQ(gfx::ALIGN_CENTER, label.horizontal_alignment());
-}
-
-TEST(LabelTest, DirectionalityModeProperty) {
- Label label;
- EXPECT_EQ(Label::USE_UI_DIRECTIONALITY, label.directionality_mode());
-
- label.set_directionality_mode(Label::AUTO_DETECT_DIRECTIONALITY);
- EXPECT_EQ(Label::AUTO_DETECT_DIRECTIONALITY, label.directionality_mode());
-
- label.set_directionality_mode(Label::USE_UI_DIRECTIONALITY);
- EXPECT_EQ(Label::USE_UI_DIRECTIONALITY, label.directionality_mode());
-}
-
-TEST(LabelTest, MultiLineProperty) {
- Label label;
- EXPECT_FALSE(label.is_multi_line());
- label.SetMultiLine(true);
- EXPECT_TRUE(label.is_multi_line());
- label.SetMultiLine(false);
- EXPECT_FALSE(label.is_multi_line());
-}
-
-TEST(LabelTest, ObscuredProperty) {
- Label label;
- base::string16 test_text(ASCIIToUTF16("Password!"));
- label.SetText(test_text);
-
- // Should be false by default...
- EXPECT_FALSE(label.is_obscured());
- EXPECT_EQ(test_text, label.layout_text());
- EXPECT_EQ(test_text, label.text());
-
- label.SetObscured(true);
- EXPECT_TRUE(label.is_obscured());
- EXPECT_EQ(ASCIIToUTF16("*********"), label.layout_text());
- EXPECT_EQ(test_text, label.text());
-
- label.SetText(test_text + test_text);
- EXPECT_EQ(ASCIIToUTF16("******************"), label.layout_text());
- EXPECT_EQ(test_text + test_text, label.text());
-
- label.SetObscured(false);
- EXPECT_FALSE(label.is_obscured());
- EXPECT_EQ(test_text + test_text, label.layout_text());
- EXPECT_EQ(test_text + test_text, label.text());
-}
-
-TEST(LabelTest, ObscuredSurrogatePair) {
- // 'MUSICAL SYMBOL G CLEF': represented in UTF-16 as two characters
- // forming the surrogate pair 0x0001D11E.
- Label label;
- base::string16 test_text = base::UTF8ToUTF16("\xF0\x9D\x84\x9E");
- label.SetText(test_text);
-
- label.SetObscured(true);
- EXPECT_EQ(ASCIIToUTF16("*"), label.layout_text());
- EXPECT_EQ(test_text, label.text());
-}
-
-TEST(LabelTest, TooltipProperty) {
- Label label;
- label.SetText(ASCIIToUTF16("My cool string."));
-
- base::string16 tooltip;
- EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
- EXPECT_EQ(label.text(), tooltip);
-
- base::string16 tooltip_text(ASCIIToUTF16("The tooltip!"));
- label.SetTooltipText(tooltip_text);
- EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
- EXPECT_EQ(tooltip_text, tooltip);
-
- label.SetTooltipText(base::string16());
- EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
- EXPECT_EQ(label.text(), tooltip);
-
- // Make the label big enough to hold the text
- // and expect there to be no tooltip.
- label.SetBounds(0, 0, 1000, 40);
- EXPECT_FALSE(label.GetTooltipText(gfx::Point(), &tooltip));
-
- // Verify that setting the tooltip still shows it.
- label.SetTooltipText(tooltip_text);
- EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
- EXPECT_EQ(tooltip_text, tooltip);
- // Clear out the tooltip.
- label.SetTooltipText(base::string16());
-
- // Shrink the bounds and the tooltip should come back.
- label.SetBounds(0, 0, 1, 1);
- EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
-
- // Make the label obscured and there is no tooltip.
- label.SetObscured(true);
- EXPECT_FALSE(label.GetTooltipText(gfx::Point(), &tooltip));
-
- // Obscuring the text shouldn't permanently clobber the tooltip.
- label.SetObscured(false);
- EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
-
- // Make the label multiline and there is no tooltip.
- label.SetMultiLine(true);
- EXPECT_FALSE(label.GetTooltipText(gfx::Point(), &tooltip));
-
- // Verify that setting the tooltip still shows it.
- label.SetTooltipText(tooltip_text);
- EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
- EXPECT_EQ(tooltip_text, tooltip);
- // Clear out the tooltip.
- label.SetTooltipText(base::string16());
-}
-
-TEST(LabelTest, Accessibility) {
- Label label;
- label.SetText(ASCIIToUTF16("My special text."));
-
- ui::AXViewState state;
- label.GetAccessibleState(&state);
- EXPECT_EQ(ui::AX_ROLE_STATIC_TEXT, state.role);
- EXPECT_EQ(label.text(), state.name);
- EXPECT_TRUE(state.HasStateFlag(ui::AX_STATE_READ_ONLY));
-}
-
-TEST(LabelTest, SingleLineSizing) {
- Label label;
- label.SetText(ASCIIToUTF16("A not so random string in one line."));
-
- // GetPreferredSize
- gfx::Size required_size = label.GetPreferredSize();
- EXPECT_GT(required_size.height(), kMinTextDimension);
- EXPECT_GT(required_size.width(), kMinTextDimension);
-
- // Test everything with borders.
- gfx::Insets border(10, 20, 30, 40);
- label.SetBorder(Border::CreateEmptyBorder(
- border.top(), border.left(), border.bottom(), border.right()));
-
- // GetPreferredSize and borders.
- label.SetBounds(0, 0, 0, 0);
- gfx::Size required_size_with_border = label.GetPreferredSize();
- EXPECT_EQ(required_size_with_border.height(),
- required_size.height() + border.height());
- EXPECT_EQ(required_size_with_border.width(),
- required_size.width() + border.width());
-}
-
-TEST(LabelTest, MultilineSmallAvailableWidthSizing) {
- Label label;
- label.SetMultiLine(true);
- label.SetAllowCharacterBreak(true);
- label.SetText(ASCIIToUTF16("Too Wide."));
-
- // Check that Label can be laid out at a variety of small sizes,
- // splitting the words into up to one character per line if necessary.
- // Incorrect word splitting may cause infinite loops in text layout.
- gfx::Size required_size = label.GetPreferredSize();
- for (int i = 1; i < required_size.width(); ++i)
- EXPECT_GT(label.GetHeightForWidth(i), 0);
-}
-
-TEST(LabelTest, MultiLineSizing) {
- Label label;
- label.SetFocusable(false);
- label.SetText(
- ASCIIToUTF16("A random string\nwith multiple lines\nand returns!"));
- label.SetMultiLine(true);
-
- // GetPreferredSize
- gfx::Size required_size = label.GetPreferredSize();
- EXPECT_GT(required_size.height(), kMinTextDimension);
- EXPECT_GT(required_size.width(), kMinTextDimension);
-
- // SizeToFit with unlimited width.
- label.SizeToFit(0);
- int required_width = label.GetLocalBounds().width();
- EXPECT_GT(required_width, kMinTextDimension);
-
- // SizeToFit with limited width.
- label.SizeToFit(required_width - 1);
- int constrained_width = label.GetLocalBounds().width();
-#if defined(OS_WIN)
- // Canvas::SizeStringInt (in ui/gfx/canvas_linux.cc)
- // has to be fixed to return the size that fits to given width/height.
- EXPECT_LT(constrained_width, required_width);
-#endif
- EXPECT_GT(constrained_width, kMinTextDimension);
-
- // Change the width back to the desire width.
- label.SizeToFit(required_width);
- EXPECT_EQ(required_width, label.GetLocalBounds().width());
-
- // General tests for GetHeightForWidth.
- int required_height = label.GetHeightForWidth(required_width);
- EXPECT_GT(required_height, kMinTextDimension);
- int height_for_constrained_width = label.GetHeightForWidth(constrained_width);
-#if defined(OS_WIN)
- // Canvas::SizeStringInt (in ui/gfx/canvas_linux.cc)
- // has to be fixed to return the size that fits to given width/height.
- EXPECT_GT(height_for_constrained_width, required_height);
-#endif
- // Using the constrained width or the required_width - 1 should give the
- // same result for the height because the constrainted width is the tight
- // width when given "required_width - 1" as the max width.
- EXPECT_EQ(height_for_constrained_width,
- label.GetHeightForWidth(required_width - 1));
-
- // Test everything with borders.
- gfx::Insets border(10, 20, 30, 40);
- label.SetBorder(Border::CreateEmptyBorder(
- border.top(), border.left(), border.bottom(), border.right()));
-
- // SizeToFit and borders.
- label.SizeToFit(0);
- int required_width_with_border = label.GetLocalBounds().width();
- EXPECT_EQ(required_width_with_border, required_width + border.width());
-
- // GetHeightForWidth and borders.
- int required_height_with_border =
- label.GetHeightForWidth(required_width_with_border);
- EXPECT_EQ(required_height_with_border, required_height + border.height());
-
- // Test that the border width is subtracted before doing the height
- // calculation. If it is, then the height will grow when width
- // is shrunk.
- int height1 = label.GetHeightForWidth(required_width_with_border - 1);
-#if defined(OS_WIN)
- // Canvas::SizeStringInt (in ui/gfx/canvas_linux.cc)
- // has to be fixed to return the size that fits to given width/height.
- EXPECT_GT(height1, required_height_with_border);
-#endif
- EXPECT_EQ(height1, height_for_constrained_width + border.height());
-
- // GetPreferredSize and borders.
- label.SetBounds(0, 0, 0, 0);
- gfx::Size required_size_with_border = label.GetPreferredSize();
- EXPECT_EQ(required_size_with_border.height(),
- required_size.height() + border.height());
- EXPECT_EQ(required_size_with_border.width(),
- required_size.width() + border.width());
-}
-
-TEST(LabelTest, AutoDetectDirectionality) {
- Label label;
- label.set_directionality_mode(Label::AUTO_DETECT_DIRECTIONALITY);
-
- // Test text starts with RTL character.
- label.SetText(base::WideToUTF16(L" \x5d0\x5d1\x5d2 abc"));
- gfx::Size required_size(label.GetPreferredSize());
- gfx::Size extra(22, 8);
- label.SetBounds(0, 0, required_size.width() + extra.width(),
- required_size.height() + extra.height());
-
- base::string16 paint_text;
- gfx::Rect text_bounds;
- int flags;
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(gfx::Canvas::FORCE_RTL_DIRECTIONALITY,
- flags & (gfx::Canvas::FORCE_RTL_DIRECTIONALITY |
- gfx::Canvas::FORCE_LTR_DIRECTIONALITY));
-
- // Test text starts with LTR character.
- label.SetText(base::WideToUTF16(L"ltr \x5d0\x5d1\x5d2 abc"));
- required_size = label.GetPreferredSize();
- label.SetBounds(0, 0, required_size.width() + extra.width(),
- required_size.height() + extra.height());
-
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(gfx::Canvas::FORCE_LTR_DIRECTIONALITY,
- flags & (gfx::Canvas::FORCE_RTL_DIRECTIONALITY |
- gfx::Canvas::FORCE_LTR_DIRECTIONALITY));
-}
-
-TEST(LabelTest, DrawSingleLineString) {
- Label label;
- label.SetFocusable(false);
-
- // Turn off mirroring so that we don't need to figure out if
- // align right really means align left.
- label.set_directionality_mode(Label::AUTO_DETECT_DIRECTIONALITY);
-
- label.SetText(ASCIIToUTF16("Here's a string with no returns."));
- gfx::Size required_size(label.GetPreferredSize());
- gfx::Size extra(22, 8);
- label.SetBounds(0, 0, required_size.width() + extra.width(),
- required_size.height() + extra.height());
-
- // Do some basic verifications for all three alignments.
- base::string16 paint_text;
- gfx::Rect text_bounds;
- int flags;
-
- // Centered text.
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- // The text should be centered horizontally and vertically.
- EXPECT_EQ(extra.width() / 2, text_bounds.x());
- EXPECT_EQ(extra.height() / 2 , text_bounds.y());
- EXPECT_EQ(required_size.width(), text_bounds.width());
- EXPECT_EQ(required_size.height(), text_bounds.height());
- EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_CENTER,
- flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::TEXT_ALIGN_RIGHT));
-
- // Left aligned text.
- label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- // The text should be left aligned horizontally and centered vertically.
- EXPECT_EQ(0, text_bounds.x());
- EXPECT_EQ(extra.height() / 2 , text_bounds.y());
- EXPECT_EQ(required_size.width(), text_bounds.width());
- EXPECT_EQ(required_size.height(), text_bounds.height());
- EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_LEFT,
- flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::TEXT_ALIGN_RIGHT));
-
- // Right aligned text.
- label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- // The text should be right aligned horizontally and centered vertically.
- EXPECT_EQ(extra.width(), text_bounds.x());
- EXPECT_EQ(extra.height() / 2 , text_bounds.y());
- EXPECT_EQ(required_size.width(), text_bounds.width());
- EXPECT_EQ(required_size.height(), text_bounds.height());
- EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_RIGHT,
- flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::TEXT_ALIGN_RIGHT));
-
- // Test single line drawing with a border.
- gfx::Insets border(39, 34, 8, 96);
- label.SetBorder(Border::CreateEmptyBorder(
- border.top(), border.left(), border.bottom(), border.right()));
-
- gfx::Size required_size_with_border(label.GetPreferredSize());
- EXPECT_EQ(required_size.width() + border.width(),
- required_size_with_border.width());
- EXPECT_EQ(required_size.height() + border.height(),
- required_size_with_border.height());
- label.SetBounds(0, 0, required_size_with_border.width() + extra.width(),
- required_size_with_border.height() + extra.height());
-
- // Centered text with border.
- label.SetHorizontalAlignment(gfx::ALIGN_CENTER);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- // The text should be centered horizontally and vertically within the border.
- EXPECT_EQ(border.left() + extra.width() / 2, text_bounds.x());
- EXPECT_EQ(border.top() + extra.height() / 2 , text_bounds.y());
- EXPECT_EQ(required_size.width(), text_bounds.width());
- EXPECT_EQ(required_size.height(), text_bounds.height());
- EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_CENTER,
- flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::TEXT_ALIGN_RIGHT));
-
- // Left aligned text with border.
- label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- // The text should be left aligned horizontally and centered vertically.
- EXPECT_EQ(border.left(), text_bounds.x());
- EXPECT_EQ(border.top() + extra.height() / 2 , text_bounds.y());
- EXPECT_EQ(required_size.width(), text_bounds.width());
- EXPECT_EQ(required_size.height(), text_bounds.height());
- EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_LEFT,
- flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::TEXT_ALIGN_RIGHT));
-
- // Right aligned text.
- label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- // The text should be right aligned horizontally and centered vertically.
- EXPECT_EQ(border.left() + extra.width(), text_bounds.x());
- EXPECT_EQ(border.top() + extra.height() / 2 , text_bounds.y());
- EXPECT_EQ(required_size.width(), text_bounds.width());
- EXPECT_EQ(required_size.height(), text_bounds.height());
- EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_RIGHT,
- flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::TEXT_ALIGN_RIGHT));
-}
-
-// On Linux the underlying pango routines require a max height in order to
-// ellide multiline text. So until that can be resolved, we set all
-// multiline lables to not ellide in Linux only.
-TEST(LabelTest, DrawMultiLineString) {
- Label label;
- label.SetFocusable(false);
-
- // Turn off mirroring so that we don't need to figure out if
- // align right really means align left.
- label.set_directionality_mode(Label::AUTO_DETECT_DIRECTIONALITY);
-
- label.SetText(ASCIIToUTF16("Another string\nwith returns\n\n!"));
- label.SetMultiLine(true);
- label.SizeToFit(0);
- gfx::Size extra(50, 10);
- label.SetBounds(label.x(), label.y(),
- label.width() + extra.width(),
- label.height() + extra.height());
-
- // Do some basic verifications for all three alignments.
- base::string16 paint_text;
- gfx::Rect text_bounds;
- int flags;
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- EXPECT_EQ(extra.width() / 2, text_bounds.x());
- EXPECT_EQ(extra.height() / 2, text_bounds.y());
- EXPECT_GT(text_bounds.width(), kMinTextDimension);
- EXPECT_GT(text_bounds.height(), kMinTextDimension);
- int expected_flags = gfx::Canvas::MULTI_LINE |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::FORCE_LTR_DIRECTIONALITY;
-#if !defined(OS_WIN)
- expected_flags |= gfx::Canvas::NO_ELLIPSIS;
-#endif
- EXPECT_EQ(expected_flags, expected_flags & flags);
- gfx::Rect center_bounds(text_bounds);
-
- label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- EXPECT_EQ(0, text_bounds.x());
- EXPECT_EQ(extra.height() / 2, text_bounds.y());
- EXPECT_GT(text_bounds.width(), kMinTextDimension);
- EXPECT_GT(text_bounds.height(), kMinTextDimension);
- expected_flags = gfx::Canvas::MULTI_LINE |
- gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::FORCE_LTR_DIRECTIONALITY;
-#if !defined(OS_WIN)
- expected_flags |= gfx::Canvas::NO_ELLIPSIS;
-#endif
- EXPECT_EQ(expected_flags, expected_flags & flags);
-
- label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- EXPECT_EQ(extra.width(), text_bounds.x());
- EXPECT_EQ(extra.height() / 2, text_bounds.y());
- EXPECT_GT(text_bounds.width(), kMinTextDimension);
- EXPECT_GT(text_bounds.height(), kMinTextDimension);
- expected_flags = gfx::Canvas::MULTI_LINE |
- gfx::Canvas::TEXT_ALIGN_RIGHT |
- gfx::Canvas::FORCE_LTR_DIRECTIONALITY;
-#if !defined(OS_WIN)
- expected_flags |= gfx::Canvas::NO_ELLIPSIS;
-#endif
- EXPECT_EQ(expected_flags, expected_flags & flags);
-
- // Test multiline drawing with a border.
- gfx::Insets border(19, 92, 23, 2);
- label.SetBorder(Border::CreateEmptyBorder(
- border.top(), border.left(), border.bottom(), border.right()));
- label.SizeToFit(0);
- label.SetBounds(label.x(), label.y(),
- label.width() + extra.width(),
- label.height() + extra.height());
-
- label.SetHorizontalAlignment(gfx::ALIGN_CENTER);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- EXPECT_EQ(border.left() + extra.width() / 2, text_bounds.x());
- EXPECT_EQ(border.top() + extra.height() / 2, text_bounds.y());
- EXPECT_EQ(center_bounds.width(), text_bounds.width());
- EXPECT_EQ(center_bounds.height(), text_bounds.height());
- expected_flags = gfx::Canvas::MULTI_LINE |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::FORCE_LTR_DIRECTIONALITY;
-#if !defined(OS_WIN)
- expected_flags |= gfx::Canvas::NO_ELLIPSIS;
-#endif
- EXPECT_EQ(expected_flags, expected_flags & flags);
-
- label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- EXPECT_EQ(border.left(), text_bounds.x());
- EXPECT_EQ(border.top() + extra.height() / 2, text_bounds.y());
- EXPECT_EQ(center_bounds.width(), text_bounds.width());
- EXPECT_EQ(center_bounds.height(), text_bounds.height());
- expected_flags = gfx::Canvas::MULTI_LINE |
- gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::FORCE_LTR_DIRECTIONALITY;
-#if !defined(OS_WIN)
- expected_flags |= gfx::Canvas::NO_ELLIPSIS;
-#endif
- EXPECT_EQ(expected_flags, expected_flags & flags);
-
- label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- EXPECT_EQ(extra.width() + border.left(), text_bounds.x());
- EXPECT_EQ(border.top() + extra.height() / 2, text_bounds.y());
- EXPECT_EQ(center_bounds.width(), text_bounds.width());
- EXPECT_EQ(center_bounds.height(), text_bounds.height());
- expected_flags = gfx::Canvas::MULTI_LINE |
- gfx::Canvas::TEXT_ALIGN_RIGHT |
- gfx::Canvas::FORCE_LTR_DIRECTIONALITY;
-#if !defined(OS_WIN)
- expected_flags |= gfx::Canvas::NO_ELLIPSIS;
-#endif
- EXPECT_EQ(expected_flags, expected_flags & flags);
-}
-
-TEST(LabelTest, DrawSingleLineStringInRTL) {
- Label label;
- label.SetFocusable(false);
-
- std::string locale = l10n_util::GetApplicationLocale("");
- base::i18n::SetICUDefaultLocale("he");
-
- label.SetText(ASCIIToUTF16("Here's a string with no returns."));
- gfx::Size required_size(label.GetPreferredSize());
- gfx::Size extra(22, 8);
- label.SetBounds(0, 0, required_size.width() + extra.width(),
- required_size.height() + extra.height());
-
- // Do some basic verifications for all three alignments.
- base::string16 paint_text;
- gfx::Rect text_bounds;
- int flags;
-
- // Centered text.
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- // The text should be centered horizontally and vertically.
- EXPECT_EQ(extra.width() / 2, text_bounds.x());
- EXPECT_EQ(extra.height() / 2 , text_bounds.y());
- EXPECT_EQ(required_size.width(), text_bounds.width());
- EXPECT_EQ(required_size.height(), text_bounds.height());
- EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_CENTER,
- flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::TEXT_ALIGN_RIGHT));
-
- // ALIGN_LEFT label.
- label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- // The text should be right aligned horizontally and centered vertically.
- EXPECT_EQ(extra.width(), text_bounds.x());
- EXPECT_EQ(extra.height() / 2 , text_bounds.y());
- EXPECT_EQ(required_size.width(), text_bounds.width());
- EXPECT_EQ(required_size.height(), text_bounds.height());
- EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_RIGHT,
- flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::TEXT_ALIGN_RIGHT));
-
- // ALIGN_RIGHT label.
- label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- // The text should be left aligned horizontally and centered vertically.
- EXPECT_EQ(0, text_bounds.x());
- EXPECT_EQ(extra.height() / 2 , text_bounds.y());
- EXPECT_EQ(required_size.width(), text_bounds.width());
- EXPECT_EQ(required_size.height(), text_bounds.height());
- EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_LEFT,
- flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::TEXT_ALIGN_RIGHT));
-
-
- // Test single line drawing with a border.
- gfx::Insets border(39, 34, 8, 96);
- label.SetBorder(Border::CreateEmptyBorder(
- border.top(), border.left(), border.bottom(), border.right()));
-
- gfx::Size required_size_with_border(label.GetPreferredSize());
- EXPECT_EQ(required_size.width() + border.width(),
- required_size_with_border.width());
- EXPECT_EQ(required_size.height() + border.height(),
- required_size_with_border.height());
- label.SetBounds(0, 0, required_size_with_border.width() + extra.width(),
- required_size_with_border.height() + extra.height());
-
- // Centered text with border.
- label.SetHorizontalAlignment(gfx::ALIGN_CENTER);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- // The text should be centered horizontally and vertically within the border.
- EXPECT_EQ(border.left() + extra.width() / 2, text_bounds.x());
- EXPECT_EQ(border.top() + extra.height() / 2 , text_bounds.y());
- EXPECT_EQ(required_size.width(), text_bounds.width());
- EXPECT_EQ(required_size.height(), text_bounds.height());
- EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_CENTER,
- flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::TEXT_ALIGN_RIGHT));
-
- // ALIGN_LEFT text with border.
- label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- // The text should be right aligned horizontally and centered vertically.
- EXPECT_EQ(border.left() + extra.width(), text_bounds.x());
- EXPECT_EQ(border.top() + extra.height() / 2 , text_bounds.y());
- EXPECT_EQ(required_size.width(), text_bounds.width());
- EXPECT_EQ(required_size.height(), text_bounds.height());
- EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_RIGHT,
- flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::TEXT_ALIGN_RIGHT));
-
- // ALIGN_RIGHT text.
- label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- // The text should be left aligned horizontally and centered vertically.
- EXPECT_EQ(border.left(), text_bounds.x());
- EXPECT_EQ(border.top() + extra.height() / 2 , text_bounds.y());
- EXPECT_EQ(required_size.width(), text_bounds.width());
- EXPECT_EQ(required_size.height(), text_bounds.height());
- EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_LEFT,
- flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
- gfx::Canvas::TEXT_ALIGN_CENTER |
- gfx::Canvas::TEXT_ALIGN_RIGHT));
-
- // Reset locale.
- base::i18n::SetICUDefaultLocale(locale);
-}
-
-// On Linux the underlying pango routines require a max height in order to
-// ellide multiline text. So until that can be resolved, we set all
-// multiline lables to not ellide in Linux only.
-TEST(LabelTest, DrawMultiLineStringInRTL) {
- Label label;
- label.SetFocusable(false);
-
- // Test for RTL.
- std::string locale = l10n_util::GetApplicationLocale("");
- base::i18n::SetICUDefaultLocale("he");
-
- label.SetText(ASCIIToUTF16("Another string\nwith returns\n\n!"));
- label.SetMultiLine(true);
- label.SizeToFit(0);
- gfx::Size extra(50, 10);
- label.SetBounds(label.x(), label.y(),
- label.width() + extra.width(),
- label.height() + extra.height());
-
- // Do some basic verifications for all three alignments.
- base::string16 paint_text;
- gfx::Rect text_bounds;
- int flags;
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- EXPECT_EQ(extra.width() / 2, text_bounds.x());
- EXPECT_EQ(extra.height() / 2, text_bounds.y());
- EXPECT_GT(text_bounds.width(), kMinTextDimension);
- EXPECT_GT(text_bounds.height(), kMinTextDimension);
- EXPECT_TRUE(gfx::Canvas::MULTI_LINE & flags);
- EXPECT_TRUE(gfx::Canvas::TEXT_ALIGN_CENTER & flags);
-#if !defined(OS_WIN)
- EXPECT_TRUE(gfx::Canvas::NO_ELLIPSIS & flags);
-#endif
- gfx::Rect center_bounds(text_bounds);
-
- label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- EXPECT_EQ(extra.width(), text_bounds.x());
- EXPECT_EQ(extra.height() / 2, text_bounds.y());
- EXPECT_GT(text_bounds.width(), kMinTextDimension);
- EXPECT_GT(text_bounds.height(), kMinTextDimension);
- EXPECT_TRUE(gfx::Canvas::MULTI_LINE & flags);
- EXPECT_TRUE(gfx::Canvas::TEXT_ALIGN_RIGHT & flags);
-#if !defined(OS_WIN)
- EXPECT_TRUE(gfx::Canvas::NO_ELLIPSIS & flags);
-#endif
-
- label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- EXPECT_EQ(0, text_bounds.x());
- EXPECT_EQ(extra.height() / 2, text_bounds.y());
- EXPECT_GT(text_bounds.width(), kMinTextDimension);
- EXPECT_GT(text_bounds.height(), kMinTextDimension);
- EXPECT_TRUE(gfx::Canvas::MULTI_LINE & flags);
- EXPECT_TRUE(gfx::Canvas::TEXT_ALIGN_LEFT & flags);
-#if !defined(OS_WIN)
- EXPECT_TRUE(gfx::Canvas::NO_ELLIPSIS & flags);
-#endif
-
- // Test multiline drawing with a border.
- gfx::Insets border(19, 92, 23, 2);
- label.SetBorder(Border::CreateEmptyBorder(
- border.top(), border.left(), border.bottom(), border.right()));
- label.SizeToFit(0);
- label.SetBounds(label.x(), label.y(),
- label.width() + extra.width(),
- label.height() + extra.height());
-
- label.SetHorizontalAlignment(gfx::ALIGN_CENTER);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- EXPECT_EQ(border.left() + extra.width() / 2, text_bounds.x());
- EXPECT_EQ(border.top() + extra.height() / 2, text_bounds.y());
- EXPECT_EQ(center_bounds.width(), text_bounds.width());
- EXPECT_EQ(center_bounds.height(), text_bounds.height());
- EXPECT_TRUE(gfx::Canvas::MULTI_LINE & flags);
- EXPECT_TRUE(gfx::Canvas::TEXT_ALIGN_CENTER & flags);
-#if !defined(OS_WIN)
- EXPECT_TRUE(gfx::Canvas::NO_ELLIPSIS & flags);
-#endif
-
- label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- EXPECT_EQ(border.left() + extra.width(), text_bounds.x());
- EXPECT_EQ(border.top() + extra.height() / 2, text_bounds.y());
- EXPECT_EQ(center_bounds.width(), text_bounds.width());
- EXPECT_EQ(center_bounds.height(), text_bounds.height());
- EXPECT_TRUE(gfx::Canvas::MULTI_LINE & flags);
- EXPECT_TRUE(gfx::Canvas::TEXT_ALIGN_RIGHT & flags);
-#if !defined(OS_WIN)
- EXPECT_TRUE(gfx::Canvas::NO_ELLIPSIS & flags);
-#endif
-
- label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
- paint_text.clear();
- text_bounds.SetRect(0, 0, 0, 0);
- label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
- EXPECT_EQ(label.text(), paint_text);
- EXPECT_EQ(border.left(), text_bounds.x());
- EXPECT_EQ(border.top() + extra.height() / 2, text_bounds.y());
- EXPECT_EQ(center_bounds.width(), text_bounds.width());
- EXPECT_EQ(center_bounds.height(), text_bounds.height());
- EXPECT_TRUE(gfx::Canvas::MULTI_LINE & flags);
- EXPECT_TRUE(gfx::Canvas::TEXT_ALIGN_LEFT & flags);
-#if !defined(OS_WIN)
- EXPECT_TRUE(gfx::Canvas::NO_ELLIPSIS & flags);
-#endif
-
- // Reset Locale
- base::i18n::SetICUDefaultLocale(locale);
-}
-
-// Check that we disable subpixel rendering when a transparent background is
-// being used.
-TEST(LabelTest, DisableSubpixelRendering) {
- Label label;
- label.SetBackgroundColor(SK_ColorWHITE);
- EXPECT_EQ(
- 0, label.ComputeDrawStringFlags() & gfx::Canvas::NO_SUBPIXEL_RENDERING);
-
- label.SetBackgroundColor(SkColorSetARGB(64, 255, 255, 255));
- EXPECT_EQ(
- gfx::Canvas::NO_SUBPIXEL_RENDERING,
- label.ComputeDrawStringFlags() & gfx::Canvas::NO_SUBPIXEL_RENDERING);
-}
-
-// Check that labels support GetTooltipHandlerForPoint.
-TEST(LabelTest, GetTooltipHandlerForPoint) {
- Label label;
- label.SetText(
- ASCIIToUTF16("A string that's long enough to exceed the bounds"));
- label.SetBounds(0, 0, 10, 10);
- // There's a default tooltip if the text is too big to fit.
- EXPECT_EQ(&label, label.GetTooltipHandlerForPoint(gfx::Point(2, 2)));
-
- // If there's no default tooltip, this should return NULL.
- label.SetBounds(0, 0, 500, 50);
- EXPECT_FALSE(label.GetTooltipHandlerForPoint(gfx::Point(2, 2)));
-
- label.SetTooltipText(ASCIIToUTF16("a tooltip"));
- // If the point hits the label, and tooltip is set, the label should be
- // returned as its tooltip handler.
- EXPECT_EQ(&label, label.GetTooltipHandlerForPoint(gfx::Point(2, 2)));
-
- // Additionally, GetTooltipHandlerForPoint should verify that the label
- // actually contains the point.
- EXPECT_FALSE(label.GetTooltipHandlerForPoint(gfx::Point(2, 51)));
- EXPECT_FALSE(label.GetTooltipHandlerForPoint(gfx::Point(-1, 20)));
-
- // GetTooltipHandlerForPoint works should work in child bounds.
- label.SetBounds(2, 2, 10, 10);
- EXPECT_EQ(&label, label.GetTooltipHandlerForPoint(gfx::Point(1, 5)));
- EXPECT_FALSE(label.GetTooltipHandlerForPoint(gfx::Point(3, 11)));
-}
-
-} // namespace views
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ui/views/controls/label.h"
+
+#include "base/i18n/rtl.h"
+#include "base/strings/utf_string_conversions.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/accessibility/ax_view_state.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/gfx/canvas.h"
+#include "ui/views/border.h"
+
+using base::ASCIIToUTF16;
+
+namespace views {
+
+// All text sizing measurements (width and height) should be greater than this.
+const int kMinTextDimension = 4;
+
+// A test utility function to set the application default text direction.
+void SetRTL(bool rtl) {
+ // Override the current locale/direction.
+ base::i18n::SetICUDefaultLocale(rtl ? "he" : "en");
+ EXPECT_EQ(rtl, base::i18n::IsRTL());
+}
+
+TEST(LabelTest, FontPropertySymbol) {
+ Label label;
+ std::string font_name("symbol");
+ gfx::Font font(font_name, 26);
+ label.SetFontList(gfx::FontList(font));
+ gfx::Font font_used = label.font_list().GetPrimaryFont();
+ EXPECT_EQ(font_name, font_used.GetFontName());
+ EXPECT_EQ(26, font_used.GetFontSize());
+}
+
+TEST(LabelTest, FontPropertyArial) {
+ Label label;
+ std::string font_name("arial");
+ gfx::Font font(font_name, 30);
+ label.SetFontList(gfx::FontList(font));
+ gfx::Font font_used = label.font_list().GetPrimaryFont();
+ EXPECT_EQ(font_name, font_used.GetFontName());
+ EXPECT_EQ(30, font_used.GetFontSize());
+}
+
+TEST(LabelTest, TextProperty) {
+ Label label;
+ base::string16 test_text(ASCIIToUTF16("A random string."));
+ label.SetText(test_text);
+ EXPECT_EQ(test_text, label.text());
+}
+
+TEST(LabelTest, ColorProperty) {
+ Label label;
+ SkColor color = SkColorSetARGB(20, 40, 10, 5);
+ label.SetAutoColorReadabilityEnabled(false);
+ label.SetEnabledColor(color);
+ EXPECT_EQ(color, label.enabled_color());
+}
+
+TEST(LabelTest, AlignmentProperty) {
+ const bool was_rtl = base::i18n::IsRTL();
+
+ Label label;
+ for (size_t i = 0; i < 2; ++i) {
+ // Toggle the application default text direction (to try each direction).
+ SetRTL(!base::i18n::IsRTL());
+ bool reverse_alignment = base::i18n::IsRTL();
+
+ // The alignment should be flipped in RTL UI.
+ label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
+ EXPECT_EQ(reverse_alignment ? gfx::ALIGN_LEFT : gfx::ALIGN_RIGHT,
+ label.GetHorizontalAlignment());
+ label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
+ EXPECT_EQ(reverse_alignment ? gfx::ALIGN_RIGHT : gfx::ALIGN_LEFT,
+ label.GetHorizontalAlignment());
+ label.SetHorizontalAlignment(gfx::ALIGN_CENTER);
+ EXPECT_EQ(gfx::ALIGN_CENTER, label.GetHorizontalAlignment());
+
+ for (size_t j = 0; j < 2; ++j) {
+ label.SetHorizontalAlignment(gfx::ALIGN_TO_HEAD);
+ const bool rtl = j == 0;
+ label.SetText(rtl ? base::WideToUTF16(L"\x5d0") : ASCIIToUTF16("A"));
+ EXPECT_EQ(rtl ? gfx::ALIGN_RIGHT : gfx::ALIGN_LEFT,
+ label.GetHorizontalAlignment());
+ }
+ }
+
+ EXPECT_EQ(was_rtl, base::i18n::IsRTL());
+}
+
+TEST(LabelTest, DirectionalityModeProperty) {
+ Label label;
+ EXPECT_EQ(gfx::DIRECTIONALITY_FROM_UI, label.directionality_mode());
+
+ label.set_directionality_mode(gfx::DIRECTIONALITY_FROM_TEXT);
+ EXPECT_EQ(gfx::DIRECTIONALITY_FROM_TEXT, label.directionality_mode());
+
+ label.set_directionality_mode(gfx::DIRECTIONALITY_FROM_UI);
+ EXPECT_EQ(gfx::DIRECTIONALITY_FROM_UI, label.directionality_mode());
+}
+
+TEST(LabelTest, MultiLineProperty) {
+ Label label;
+ EXPECT_FALSE(label.is_multi_line());
+ label.SetMultiLine(true);
+ EXPECT_TRUE(label.is_multi_line());
+ label.SetMultiLine(false);
+ EXPECT_FALSE(label.is_multi_line());
+}
+
+TEST(LabelTest, ObscuredProperty) {
+ Label label;
+ base::string16 test_text(ASCIIToUTF16("Password!"));
+ label.SetText(test_text);
+
+ // Should be false by default...
+ EXPECT_FALSE(label.is_obscured());
+ EXPECT_EQ(test_text, label.layout_text());
+ EXPECT_EQ(test_text, label.text());
+
+ label.SetObscured(true);
+ EXPECT_TRUE(label.is_obscured());
+ EXPECT_EQ(ASCIIToUTF16("*********"), label.layout_text());
+ EXPECT_EQ(test_text, label.text());
+
+ label.SetText(test_text + test_text);
+ EXPECT_EQ(ASCIIToUTF16("******************"), label.layout_text());
+ EXPECT_EQ(test_text + test_text, label.text());
+
+ label.SetObscured(false);
+ EXPECT_FALSE(label.is_obscured());
+ EXPECT_EQ(test_text + test_text, label.layout_text());
+ EXPECT_EQ(test_text + test_text, label.text());
+}
+
+TEST(LabelTest, ObscuredSurrogatePair) {
+ // 'MUSICAL SYMBOL G CLEF': represented in UTF-16 as two characters
+ // forming the surrogate pair 0x0001D11E.
+ Label label;
+ base::string16 test_text = base::UTF8ToUTF16("\xF0\x9D\x84\x9E");
+ label.SetText(test_text);
+
+ label.SetObscured(true);
+ EXPECT_EQ(ASCIIToUTF16("*"), label.layout_text());
+ EXPECT_EQ(test_text, label.text());
+}
+
+TEST(LabelTest, TooltipProperty) {
+ Label label;
+ label.SetText(ASCIIToUTF16("My cool string."));
+
+ base::string16 tooltip;
+ EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
+ EXPECT_EQ(label.text(), tooltip);
+
+ base::string16 tooltip_text(ASCIIToUTF16("The tooltip!"));
+ label.SetTooltipText(tooltip_text);
+ EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
+ EXPECT_EQ(tooltip_text, tooltip);
+
+ label.SetTooltipText(base::string16());
+ EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
+ EXPECT_EQ(label.text(), tooltip);
+
+ // Make the label big enough to hold the text
+ // and expect there to be no tooltip.
+ label.SetBounds(0, 0, 1000, 40);
+ EXPECT_FALSE(label.GetTooltipText(gfx::Point(), &tooltip));
+
+ // Verify that setting the tooltip still shows it.
+ label.SetTooltipText(tooltip_text);
+ EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
+ EXPECT_EQ(tooltip_text, tooltip);
+ // Clear out the tooltip.
+ label.SetTooltipText(base::string16());
+
+ // Shrink the bounds and the tooltip should come back.
+ label.SetBounds(0, 0, 1, 1);
+ EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
+
+ // Make the label obscured and there is no tooltip.
+ label.SetObscured(true);
+ EXPECT_FALSE(label.GetTooltipText(gfx::Point(), &tooltip));
+
+ // Obscuring the text shouldn't permanently clobber the tooltip.
+ label.SetObscured(false);
+ EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
+
+ // Make the label multiline and there is no tooltip.
+ label.SetMultiLine(true);
+ EXPECT_FALSE(label.GetTooltipText(gfx::Point(), &tooltip));
+
+ // Verify that setting the tooltip still shows it.
+ label.SetTooltipText(tooltip_text);
+ EXPECT_TRUE(label.GetTooltipText(gfx::Point(), &tooltip));
+ EXPECT_EQ(tooltip_text, tooltip);
+ // Clear out the tooltip.
+ label.SetTooltipText(base::string16());
+}
+
+TEST(LabelTest, Accessibility) {
+ Label label;
+ label.SetText(ASCIIToUTF16("My special text."));
+
+ ui::AXViewState state;
+ label.GetAccessibleState(&state);
+ EXPECT_EQ(ui::AX_ROLE_STATIC_TEXT, state.role);
+ EXPECT_EQ(label.text(), state.name);
+ EXPECT_TRUE(state.HasStateFlag(ui::AX_STATE_READ_ONLY));
+}
+
+TEST(LabelTest, SingleLineSizing) {
+ Label label;
+ label.SetText(ASCIIToUTF16("A not so random string in one line."));
+
+ // GetPreferredSize
+ gfx::Size required_size = label.GetPreferredSize();
+ EXPECT_GT(required_size.height(), kMinTextDimension);
+ EXPECT_GT(required_size.width(), kMinTextDimension);
+
+ // Test everything with borders.
+ gfx::Insets border(10, 20, 30, 40);
+ label.SetBorder(Border::CreateEmptyBorder(
+ border.top(), border.left(), border.bottom(), border.right()));
+
+ // GetPreferredSize and borders.
+ label.SetBounds(0, 0, 0, 0);
+ gfx::Size required_size_with_border = label.GetPreferredSize();
+ EXPECT_EQ(required_size_with_border.height(),
+ required_size.height() + border.height());
+ EXPECT_EQ(required_size_with_border.width(),
+ required_size.width() + border.width());
+}
+
+TEST(LabelTest, MultilineSmallAvailableWidthSizing) {
+ Label label;
+ label.SetMultiLine(true);
+ label.SetAllowCharacterBreak(true);
+ label.SetText(ASCIIToUTF16("Too Wide."));
+
+ // Check that Label can be laid out at a variety of small sizes,
+ // splitting the words into up to one character per line if necessary.
+ // Incorrect word splitting may cause infinite loops in text layout.
+ gfx::Size required_size = label.GetPreferredSize();
+ for (int i = 1; i < required_size.width(); ++i)
+ EXPECT_GT(label.GetHeightForWidth(i), 0);
+}
+
+TEST(LabelTest, MultiLineSizing) {
+ Label label;
+ label.SetFocusable(false);
+ label.SetText(
+ ASCIIToUTF16("A random string\nwith multiple lines\nand returns!"));
+ label.SetMultiLine(true);
+
+ // GetPreferredSize
+ gfx::Size required_size = label.GetPreferredSize();
+ EXPECT_GT(required_size.height(), kMinTextDimension);
+ EXPECT_GT(required_size.width(), kMinTextDimension);
+
+ // SizeToFit with unlimited width.
+ label.SizeToFit(0);
+ int required_width = label.GetLocalBounds().width();
+ EXPECT_GT(required_width, kMinTextDimension);
+
+ // SizeToFit with limited width.
+ label.SizeToFit(required_width - 1);
+ int constrained_width = label.GetLocalBounds().width();
+#if defined(OS_WIN)
+ // Canvas::SizeStringInt (in ui/gfx/canvas_linux.cc)
+ // has to be fixed to return the size that fits to given width/height.
+ EXPECT_LT(constrained_width, required_width);
+#endif
+ EXPECT_GT(constrained_width, kMinTextDimension);
+
+ // Change the width back to the desire width.
+ label.SizeToFit(required_width);
+ EXPECT_EQ(required_width, label.GetLocalBounds().width());
+
+ // General tests for GetHeightForWidth.
+ int required_height = label.GetHeightForWidth(required_width);
+ EXPECT_GT(required_height, kMinTextDimension);
+ int height_for_constrained_width = label.GetHeightForWidth(constrained_width);
+#if defined(OS_WIN)
+ // Canvas::SizeStringInt (in ui/gfx/canvas_linux.cc)
+ // has to be fixed to return the size that fits to given width/height.
+ EXPECT_GT(height_for_constrained_width, required_height);
+#endif
+ // Using the constrained width or the required_width - 1 should give the
+ // same result for the height because the constrainted width is the tight
+ // width when given "required_width - 1" as the max width.
+ EXPECT_EQ(height_for_constrained_width,
+ label.GetHeightForWidth(required_width - 1));
+
+ // Test everything with borders.
+ gfx::Insets border(10, 20, 30, 40);
+ label.SetBorder(Border::CreateEmptyBorder(
+ border.top(), border.left(), border.bottom(), border.right()));
+
+ // SizeToFit and borders.
+ label.SizeToFit(0);
+ int required_width_with_border = label.GetLocalBounds().width();
+ EXPECT_EQ(required_width_with_border, required_width + border.width());
+
+ // GetHeightForWidth and borders.
+ int required_height_with_border =
+ label.GetHeightForWidth(required_width_with_border);
+ EXPECT_EQ(required_height_with_border, required_height + border.height());
+
+ // Test that the border width is subtracted before doing the height
+ // calculation. If it is, then the height will grow when width
+ // is shrunk.
+ int height1 = label.GetHeightForWidth(required_width_with_border - 1);
+#if defined(OS_WIN)
+ // Canvas::SizeStringInt (in ui/gfx/canvas_linux.cc)
+ // has to be fixed to return the size that fits to given width/height.
+ EXPECT_GT(height1, required_height_with_border);
+#endif
+ EXPECT_EQ(height1, height_for_constrained_width + border.height());
+
+ // GetPreferredSize and borders.
+ label.SetBounds(0, 0, 0, 0);
+ gfx::Size required_size_with_border = label.GetPreferredSize();
+ EXPECT_EQ(required_size_with_border.height(),
+ required_size.height() + border.height());
+ EXPECT_EQ(required_size_with_border.width(),
+ required_size.width() + border.width());
+}
+
+TEST(LabelTest, DirectionalityFromText) {
+ Label label;
+ label.set_directionality_mode(gfx::DIRECTIONALITY_FROM_TEXT);
+ label.SetBounds(0, 0, 1000, 1000);
+ base::string16 paint_text;
+ gfx::Rect text_bounds;
+ int flags = -1;
+
+ // Test text starts with RTL character.
+ label.SetText(base::WideToUTF16(L" \x5d0\x5d1\x5d2 abc"));
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(gfx::Canvas::FORCE_RTL_DIRECTIONALITY,
+ flags & (gfx::Canvas::FORCE_RTL_DIRECTIONALITY |
+ gfx::Canvas::FORCE_LTR_DIRECTIONALITY));
+
+ // Test text starts with LTR character.
+ label.SetText(base::WideToUTF16(L"ltr \x5d0\x5d1\x5d2 abc"));
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(gfx::Canvas::FORCE_LTR_DIRECTIONALITY,
+ flags & (gfx::Canvas::FORCE_RTL_DIRECTIONALITY |
+ gfx::Canvas::FORCE_LTR_DIRECTIONALITY));
+}
+
+TEST(LabelTest, DrawSingleLineString) {
+ Label label;
+ label.SetFocusable(false);
+ // Force a directionality to simplify alignment value testing.
+ label.set_directionality_mode(gfx::DIRECTIONALITY_FORCE_LTR);
+
+ label.SetText(ASCIIToUTF16("Here's a string with no returns."));
+ gfx::Size required_size(label.GetPreferredSize());
+ gfx::Size extra(22, 8);
+ label.SetBounds(0, 0, required_size.width() + extra.width(),
+ required_size.height() + extra.height());
+
+ // Do some basic verifications for all three alignments.
+ base::string16 paint_text;
+ gfx::Rect text_bounds;
+ int flags = -1;
+
+ // Centered text.
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ // The text should be centered horizontally and vertically.
+ EXPECT_EQ(extra.width() / 2, text_bounds.x());
+ EXPECT_EQ(extra.height() / 2 , text_bounds.y());
+ EXPECT_EQ(required_size.width(), text_bounds.width());
+ EXPECT_EQ(required_size.height(), text_bounds.height());
+ EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_CENTER,
+ flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::TEXT_ALIGN_RIGHT));
+
+ // Left aligned text.
+ label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ // The text should be left aligned horizontally and centered vertically.
+ EXPECT_EQ(0, text_bounds.x());
+ EXPECT_EQ(extra.height() / 2 , text_bounds.y());
+ EXPECT_EQ(required_size.width(), text_bounds.width());
+ EXPECT_EQ(required_size.height(), text_bounds.height());
+ EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_LEFT,
+ flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::TEXT_ALIGN_RIGHT));
+
+ // Right aligned text.
+ label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ // The text should be right aligned horizontally and centered vertically.
+ EXPECT_EQ(extra.width(), text_bounds.x());
+ EXPECT_EQ(extra.height() / 2 , text_bounds.y());
+ EXPECT_EQ(required_size.width(), text_bounds.width());
+ EXPECT_EQ(required_size.height(), text_bounds.height());
+ EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_RIGHT,
+ flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::TEXT_ALIGN_RIGHT));
+
+ // Test single line drawing with a border.
+ gfx::Insets border(39, 34, 8, 96);
+ label.SetBorder(Border::CreateEmptyBorder(
+ border.top(), border.left(), border.bottom(), border.right()));
+
+ gfx::Size required_size_with_border(label.GetPreferredSize());
+ EXPECT_EQ(required_size.width() + border.width(),
+ required_size_with_border.width());
+ EXPECT_EQ(required_size.height() + border.height(),
+ required_size_with_border.height());
+ label.SetBounds(0, 0, required_size_with_border.width() + extra.width(),
+ required_size_with_border.height() + extra.height());
+
+ // Centered text with border.
+ label.SetHorizontalAlignment(gfx::ALIGN_CENTER);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ // The text should be centered horizontally and vertically within the border.
+ EXPECT_EQ(border.left() + extra.width() / 2, text_bounds.x());
+ EXPECT_EQ(border.top() + extra.height() / 2 , text_bounds.y());
+ EXPECT_EQ(required_size.width(), text_bounds.width());
+ EXPECT_EQ(required_size.height(), text_bounds.height());
+ EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_CENTER,
+ flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::TEXT_ALIGN_RIGHT));
+
+ // Left aligned text with border.
+ label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ // The text should be left aligned horizontally and centered vertically.
+ EXPECT_EQ(border.left(), text_bounds.x());
+ EXPECT_EQ(border.top() + extra.height() / 2 , text_bounds.y());
+ EXPECT_EQ(required_size.width(), text_bounds.width());
+ EXPECT_EQ(required_size.height(), text_bounds.height());
+ EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_LEFT,
+ flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::TEXT_ALIGN_RIGHT));
+
+ // Right aligned text.
+ label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ // The text should be right aligned horizontally and centered vertically.
+ EXPECT_EQ(border.left() + extra.width(), text_bounds.x());
+ EXPECT_EQ(border.top() + extra.height() / 2 , text_bounds.y());
+ EXPECT_EQ(required_size.width(), text_bounds.width());
+ EXPECT_EQ(required_size.height(), text_bounds.height());
+ EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_RIGHT,
+ flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::TEXT_ALIGN_RIGHT));
+}
+
+// Pango needs a max height to elide multiline text; that is not supported here.
+TEST(LabelTest, DrawMultiLineString) {
+ Label label;
+ label.SetFocusable(false);
+ // Force a directionality to simplify alignment value testing.
+ label.set_directionality_mode(gfx::DIRECTIONALITY_FORCE_LTR);
+ // Set a background color to prevent gfx::Canvas::NO_SUBPIXEL_RENDERING flags.
+ label.SetBackgroundColor(SK_ColorWHITE);
+
+ label.SetText(ASCIIToUTF16("Another string\nwith returns\n\n!"));
+ label.SetMultiLine(true);
+ label.SizeToFit(0);
+ gfx::Size extra(50, 10);
+ label.SetBounds(label.x(), label.y(),
+ label.width() + extra.width(),
+ label.height() + extra.height());
+
+ // Do some basic verifications for all three alignments.
+ base::string16 paint_text;
+ gfx::Rect text_bounds;
+ int flags = -1;
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ EXPECT_EQ(extra.width() / 2, text_bounds.x());
+ EXPECT_EQ(extra.height() / 2, text_bounds.y());
+ EXPECT_GT(text_bounds.width(), kMinTextDimension);
+ EXPECT_GT(text_bounds.height(), kMinTextDimension);
+ int expected_flags = gfx::Canvas::MULTI_LINE |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::FORCE_LTR_DIRECTIONALITY;
+#if !defined(OS_WIN)
+ expected_flags |= gfx::Canvas::NO_ELLIPSIS;
+#endif
+ EXPECT_EQ(expected_flags, expected_flags);
+ gfx::Rect center_bounds(text_bounds);
+
+ label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ EXPECT_EQ(0, text_bounds.x());
+ EXPECT_EQ(extra.height() / 2, text_bounds.y());
+ EXPECT_GT(text_bounds.width(), kMinTextDimension);
+ EXPECT_GT(text_bounds.height(), kMinTextDimension);
+ expected_flags = gfx::Canvas::MULTI_LINE |
+ gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::FORCE_LTR_DIRECTIONALITY;
+#if !defined(OS_WIN)
+ expected_flags |= gfx::Canvas::NO_ELLIPSIS;
+#endif
+ EXPECT_EQ(expected_flags, expected_flags);
+
+ label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ EXPECT_EQ(extra.width(), text_bounds.x());
+ EXPECT_EQ(extra.height() / 2, text_bounds.y());
+ EXPECT_GT(text_bounds.width(), kMinTextDimension);
+ EXPECT_GT(text_bounds.height(), kMinTextDimension);
+ expected_flags = gfx::Canvas::MULTI_LINE |
+ gfx::Canvas::TEXT_ALIGN_RIGHT |
+ gfx::Canvas::FORCE_LTR_DIRECTIONALITY;
+#if !defined(OS_WIN)
+ expected_flags |= gfx::Canvas::NO_ELLIPSIS;
+#endif
+ EXPECT_EQ(expected_flags, expected_flags);
+
+ // Test multiline drawing with a border.
+ gfx::Insets border(19, 92, 23, 2);
+ label.SetBorder(Border::CreateEmptyBorder(
+ border.top(), border.left(), border.bottom(), border.right()));
+ label.SizeToFit(0);
+ label.SetBounds(label.x(), label.y(),
+ label.width() + extra.width(),
+ label.height() + extra.height());
+
+ label.SetHorizontalAlignment(gfx::ALIGN_CENTER);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ EXPECT_EQ(border.left() + extra.width() / 2, text_bounds.x());
+ EXPECT_EQ(border.top() + extra.height() / 2, text_bounds.y());
+ EXPECT_EQ(center_bounds.width(), text_bounds.width());
+ EXPECT_EQ(center_bounds.height(), text_bounds.height());
+ expected_flags = gfx::Canvas::MULTI_LINE |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::FORCE_LTR_DIRECTIONALITY;
+#if !defined(OS_WIN)
+ expected_flags |= gfx::Canvas::NO_ELLIPSIS;
+#endif
+ EXPECT_EQ(expected_flags, expected_flags);
+
+ label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ EXPECT_EQ(border.left(), text_bounds.x());
+ EXPECT_EQ(border.top() + extra.height() / 2, text_bounds.y());
+ EXPECT_EQ(center_bounds.width(), text_bounds.width());
+ EXPECT_EQ(center_bounds.height(), text_bounds.height());
+ expected_flags = gfx::Canvas::MULTI_LINE |
+ gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::FORCE_LTR_DIRECTIONALITY;
+#if !defined(OS_WIN)
+ expected_flags |= gfx::Canvas::NO_ELLIPSIS;
+#endif
+ EXPECT_EQ(expected_flags, expected_flags);
+
+ label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ EXPECT_EQ(extra.width() + border.left(), text_bounds.x());
+ EXPECT_EQ(border.top() + extra.height() / 2, text_bounds.y());
+ EXPECT_EQ(center_bounds.width(), text_bounds.width());
+ EXPECT_EQ(center_bounds.height(), text_bounds.height());
+ expected_flags = gfx::Canvas::MULTI_LINE |
+ gfx::Canvas::TEXT_ALIGN_RIGHT |
+ gfx::Canvas::FORCE_LTR_DIRECTIONALITY;
+#if !defined(OS_WIN)
+ expected_flags |= gfx::Canvas::NO_ELLIPSIS;
+#endif
+ EXPECT_EQ(expected_flags, expected_flags);
+}
+
+TEST(LabelTest, DrawSingleLineStringInRTL) {
+ Label label;
+ label.SetFocusable(false);
+
+ std::string locale = l10n_util::GetApplicationLocale("");
+ base::i18n::SetICUDefaultLocale("he");
+
+ label.SetText(ASCIIToUTF16("Here's a string with no returns."));
+ gfx::Size required_size(label.GetPreferredSize());
+ gfx::Size extra(22, 8);
+ label.SetBounds(0, 0, required_size.width() + extra.width(),
+ required_size.height() + extra.height());
+
+ // Do some basic verifications for all three alignments.
+ base::string16 paint_text;
+ gfx::Rect text_bounds;
+ int flags = -1;
+
+ // Centered text.
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ // The text should be centered horizontally and vertically.
+ EXPECT_EQ(extra.width() / 2, text_bounds.x());
+ EXPECT_EQ(extra.height() / 2 , text_bounds.y());
+ EXPECT_EQ(required_size.width(), text_bounds.width());
+ EXPECT_EQ(required_size.height(), text_bounds.height());
+ EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_CENTER,
+ flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::TEXT_ALIGN_RIGHT));
+
+ // ALIGN_LEFT label.
+ label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ // The text should be right aligned horizontally and centered vertically.
+ EXPECT_EQ(extra.width(), text_bounds.x());
+ EXPECT_EQ(extra.height() / 2 , text_bounds.y());
+ EXPECT_EQ(required_size.width(), text_bounds.width());
+ EXPECT_EQ(required_size.height(), text_bounds.height());
+ EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_RIGHT,
+ flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::TEXT_ALIGN_RIGHT));
+
+ // ALIGN_RIGHT label.
+ label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ // The text should be left aligned horizontally and centered vertically.
+ EXPECT_EQ(0, text_bounds.x());
+ EXPECT_EQ(extra.height() / 2 , text_bounds.y());
+ EXPECT_EQ(required_size.width(), text_bounds.width());
+ EXPECT_EQ(required_size.height(), text_bounds.height());
+ EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_LEFT,
+ flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::TEXT_ALIGN_RIGHT));
+
+
+ // Test single line drawing with a border.
+ gfx::Insets border(39, 34, 8, 96);
+ label.SetBorder(Border::CreateEmptyBorder(
+ border.top(), border.left(), border.bottom(), border.right()));
+
+ gfx::Size required_size_with_border(label.GetPreferredSize());
+ EXPECT_EQ(required_size.width() + border.width(),
+ required_size_with_border.width());
+ EXPECT_EQ(required_size.height() + border.height(),
+ required_size_with_border.height());
+ label.SetBounds(0, 0, required_size_with_border.width() + extra.width(),
+ required_size_with_border.height() + extra.height());
+
+ // Centered text with border.
+ label.SetHorizontalAlignment(gfx::ALIGN_CENTER);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ // The text should be centered horizontally and vertically within the border.
+ EXPECT_EQ(border.left() + extra.width() / 2, text_bounds.x());
+ EXPECT_EQ(border.top() + extra.height() / 2 , text_bounds.y());
+ EXPECT_EQ(required_size.width(), text_bounds.width());
+ EXPECT_EQ(required_size.height(), text_bounds.height());
+ EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_CENTER,
+ flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::TEXT_ALIGN_RIGHT));
+
+ // ALIGN_LEFT text with border.
+ label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ // The text should be right aligned horizontally and centered vertically.
+ EXPECT_EQ(border.left() + extra.width(), text_bounds.x());
+ EXPECT_EQ(border.top() + extra.height() / 2 , text_bounds.y());
+ EXPECT_EQ(required_size.width(), text_bounds.width());
+ EXPECT_EQ(required_size.height(), text_bounds.height());
+ EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_RIGHT,
+ flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::TEXT_ALIGN_RIGHT));
+
+ // ALIGN_RIGHT text.
+ label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ // The text should be left aligned horizontally and centered vertically.
+ EXPECT_EQ(border.left(), text_bounds.x());
+ EXPECT_EQ(border.top() + extra.height() / 2 , text_bounds.y());
+ EXPECT_EQ(required_size.width(), text_bounds.width());
+ EXPECT_EQ(required_size.height(), text_bounds.height());
+ EXPECT_EQ(gfx::Canvas::TEXT_ALIGN_LEFT,
+ flags & (gfx::Canvas::TEXT_ALIGN_LEFT |
+ gfx::Canvas::TEXT_ALIGN_CENTER |
+ gfx::Canvas::TEXT_ALIGN_RIGHT));
+
+ // Reset locale.
+ base::i18n::SetICUDefaultLocale(locale);
+}
+
+// On Linux the underlying pango routines require a max height in order to
+// ellide multiline text. So until that can be resolved, we set all
+// multiline lables to not ellide in Linux only.
+TEST(LabelTest, DrawMultiLineStringInRTL) {
+ Label label;
+ label.SetFocusable(false);
+
+ // Test for RTL.
+ std::string locale = l10n_util::GetApplicationLocale("");
+ base::i18n::SetICUDefaultLocale("he");
+
+ label.SetText(ASCIIToUTF16("Another string\nwith returns\n\n!"));
+ label.SetMultiLine(true);
+ label.SizeToFit(0);
+ gfx::Size extra(50, 10);
+ label.SetBounds(label.x(), label.y(),
+ label.width() + extra.width(),
+ label.height() + extra.height());
+
+ // Do some basic verifications for all three alignments.
+ base::string16 paint_text;
+ gfx::Rect text_bounds;
+ int flags = -1;
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ EXPECT_EQ(extra.width() / 2, text_bounds.x());
+ EXPECT_EQ(extra.height() / 2, text_bounds.y());
+ EXPECT_GT(text_bounds.width(), kMinTextDimension);
+ EXPECT_GT(text_bounds.height(), kMinTextDimension);
+ EXPECT_TRUE(gfx::Canvas::MULTI_LINE & flags);
+ EXPECT_TRUE(gfx::Canvas::TEXT_ALIGN_CENTER & flags);
+#if !defined(OS_WIN)
+ EXPECT_TRUE(gfx::Canvas::NO_ELLIPSIS & flags);
+#endif
+ gfx::Rect center_bounds(text_bounds);
+
+ label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ EXPECT_EQ(extra.width(), text_bounds.x());
+ EXPECT_EQ(extra.height() / 2, text_bounds.y());
+ EXPECT_GT(text_bounds.width(), kMinTextDimension);
+ EXPECT_GT(text_bounds.height(), kMinTextDimension);
+ EXPECT_TRUE(gfx::Canvas::MULTI_LINE & flags);
+ EXPECT_TRUE(gfx::Canvas::TEXT_ALIGN_RIGHT & flags);
+#if !defined(OS_WIN)
+ EXPECT_TRUE(gfx::Canvas::NO_ELLIPSIS & flags);
+#endif
+
+ label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ EXPECT_EQ(0, text_bounds.x());
+ EXPECT_EQ(extra.height() / 2, text_bounds.y());
+ EXPECT_GT(text_bounds.width(), kMinTextDimension);
+ EXPECT_GT(text_bounds.height(), kMinTextDimension);
+ EXPECT_TRUE(gfx::Canvas::MULTI_LINE & flags);
+ EXPECT_TRUE(gfx::Canvas::TEXT_ALIGN_LEFT & flags);
+#if !defined(OS_WIN)
+ EXPECT_TRUE(gfx::Canvas::NO_ELLIPSIS & flags);
+#endif
+
+ // Test multiline drawing with a border.
+ gfx::Insets border(19, 92, 23, 2);
+ label.SetBorder(Border::CreateEmptyBorder(
+ border.top(), border.left(), border.bottom(), border.right()));
+ label.SizeToFit(0);
+ label.SetBounds(label.x(), label.y(),
+ label.width() + extra.width(),
+ label.height() + extra.height());
+
+ label.SetHorizontalAlignment(gfx::ALIGN_CENTER);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ EXPECT_EQ(border.left() + extra.width() / 2, text_bounds.x());
+ EXPECT_EQ(border.top() + extra.height() / 2, text_bounds.y());
+ EXPECT_EQ(center_bounds.width(), text_bounds.width());
+ EXPECT_EQ(center_bounds.height(), text_bounds.height());
+ EXPECT_TRUE(gfx::Canvas::MULTI_LINE & flags);
+ EXPECT_TRUE(gfx::Canvas::TEXT_ALIGN_CENTER & flags);
+#if !defined(OS_WIN)
+ EXPECT_TRUE(gfx::Canvas::NO_ELLIPSIS & flags);
+#endif
+
+ label.SetHorizontalAlignment(gfx::ALIGN_LEFT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ EXPECT_EQ(border.left() + extra.width(), text_bounds.x());
+ EXPECT_EQ(border.top() + extra.height() / 2, text_bounds.y());
+ EXPECT_EQ(center_bounds.width(), text_bounds.width());
+ EXPECT_EQ(center_bounds.height(), text_bounds.height());
+ EXPECT_TRUE(gfx::Canvas::MULTI_LINE & flags);
+ EXPECT_TRUE(gfx::Canvas::TEXT_ALIGN_RIGHT & flags);
+#if !defined(OS_WIN)
+ EXPECT_TRUE(gfx::Canvas::NO_ELLIPSIS & flags);
+#endif
+
+ label.SetHorizontalAlignment(gfx::ALIGN_RIGHT);
+ paint_text.clear();
+ text_bounds.SetRect(0, 0, 0, 0);
+ label.CalculateDrawStringParams(&paint_text, &text_bounds, &flags);
+ EXPECT_EQ(label.text(), paint_text);
+ EXPECT_EQ(border.left(), text_bounds.x());
+ EXPECT_EQ(border.top() + extra.height() / 2, text_bounds.y());
+ EXPECT_EQ(center_bounds.width(), text_bounds.width());
+ EXPECT_EQ(center_bounds.height(), text_bounds.height());
+ EXPECT_TRUE(gfx::Canvas::MULTI_LINE & flags);
+ EXPECT_TRUE(gfx::Canvas::TEXT_ALIGN_LEFT & flags);
+#if !defined(OS_WIN)
+ EXPECT_TRUE(gfx::Canvas::NO_ELLIPSIS & flags);
+#endif
+
+ // Reset Locale
+ base::i18n::SetICUDefaultLocale(locale);
+}
+
+// Check that we disable subpixel rendering when a transparent background is
+// being used.
+TEST(LabelTest, DisableSubpixelRendering) {
+ Label label;
+ label.SetBackgroundColor(SK_ColorWHITE);
+ EXPECT_EQ(
+ 0, label.ComputeDrawStringFlags() & gfx::Canvas::NO_SUBPIXEL_RENDERING);
+
+ label.SetBackgroundColor(SkColorSetARGB(64, 255, 255, 255));
+ EXPECT_EQ(
+ gfx::Canvas::NO_SUBPIXEL_RENDERING,
+ label.ComputeDrawStringFlags() & gfx::Canvas::NO_SUBPIXEL_RENDERING);
+}
+
+// Check that labels support GetTooltipHandlerForPoint.
+TEST(LabelTest, GetTooltipHandlerForPoint) {
+ Label label;
+ label.SetText(
+ ASCIIToUTF16("A string that's long enough to exceed the bounds"));
+ label.SetBounds(0, 0, 10, 10);
+ // There's a default tooltip if the text is too big to fit.
+ EXPECT_EQ(&label, label.GetTooltipHandlerForPoint(gfx::Point(2, 2)));
+
+ // If there's no default tooltip, this should return NULL.
+ label.SetBounds(0, 0, 500, 50);
+ EXPECT_FALSE(label.GetTooltipHandlerForPoint(gfx::Point(2, 2)));
+
+ label.SetTooltipText(ASCIIToUTF16("a tooltip"));
+ // If the point hits the label, and tooltip is set, the label should be
+ // returned as its tooltip handler.
+ EXPECT_EQ(&label, label.GetTooltipHandlerForPoint(gfx::Point(2, 2)));
+
+ // Additionally, GetTooltipHandlerForPoint should verify that the label
+ // actually contains the point.
+ EXPECT_FALSE(label.GetTooltipHandlerForPoint(gfx::Point(2, 51)));
+ EXPECT_FALSE(label.GetTooltipHandlerForPoint(gfx::Point(-1, 20)));
+
+ // GetTooltipHandlerForPoint works should work in child bounds.
+ label.SetBounds(2, 2, 10, 10);
+ EXPECT_EQ(&label, label.GetTooltipHandlerForPoint(gfx::Point(1, 5)));
+ EXPECT_FALSE(label.GetTooltipHandlerForPoint(gfx::Point(3, 11)));
+}
+
+} // namespace views
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