Revert 113075 (requested by asvitkine) (requested by asvitkine) (requested by asvitkine) (request...

ui/gfx/render_text_unittest.cc

 // Copyright (c) 2011 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/gfx/render_text.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 525 matching lines @@
   EXPECT_EQ(4U, render_text->GetCursorPosition());
   render_text->MoveCursorLeft(CHARACTER_BREAK, false);
   EXPECT_EQ(2U, render_text->GetCursorPosition());
   render_text->MoveCursorLeft(CHARACTER_BREAK, false);
   EXPECT_EQ(0U, render_text->GetCursorPosition());
   render_text->MoveCursorLeft(CHARACTER_BREAK, false);
   EXPECT_EQ(0U, render_text->GetCursorPosition());
 }
 #endif
 
-TEST_F(RenderTextTest, GraphemePositions) {
-  // LTR 2-character grapheme, LTR abc, LTR 2-character grapheme.
-  const string16 kText1 = WideToUTF16(L"\x0915\x093f"L"abc"L"\x0915\x093f");
-
-  // LTR ab, LTR 2-character grapheme, LTR cd.
-  const string16 kText2 = WideToUTF16(L"ab"L"\x0915\x093f"L"cd");
-
-  struct {
-    string16 text;
-    size_t index;
-    size_t expected_previous;
-    size_t expected_next;
-  } cases[] = {
-    { string16(), 0, 0, 0 },
-    { string16(), 1, 0, 0 },
-    { string16(), 50, 0, 0 },
-    { kText1, 0, 0, 2 },
-    { kText1, 1, 0, 2 },
-    { kText1, 2, 0, 3 },
-    { kText1, 3, 2, 4 },
-    { kText1, 4, 3, 5 },
-    { kText1, 5, 4, 7 },
-    { kText1, 6, 5, 7 },
-    { kText1, 7, 5, 7 },
-    { kText1, 8, 7, 7 },
-    { kText1, 50, 7, 7 },
-    { kText2, 0, 0, 1 },
-    { kText2, 1, 0, 2 },
-    { kText2, 2, 1, 4 },
-    { kText2, 3, 2, 4 },
-    { kText2, 4, 2, 5 },
-    { kText2, 5, 4, 6 },
-    { kText2, 6, 5, 6 },
-    { kText2, 7, 6, 6 },
-    { kText2, 50, 6, 6 },
-  };
-
-  scoped_ptr<RenderText> render_text(RenderText::CreateRenderText());
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); i++) {
-    render_text->SetText(cases[i].text);
-
-    size_t next = render_text->GetIndexOfNextGrapheme(cases[i].index);
-    EXPECT_EQ(cases[i].expected_next, next);
-    EXPECT_TRUE(render_text->IsCursorablePosition(next));
-
-    size_t previous = render_text->GetIndexOfPreviousGrapheme(cases[i].index);
-    EXPECT_EQ(cases[i].expected_previous, previous);
-    EXPECT_TRUE(render_text->IsCursorablePosition(previous));
-  }
-}
-
-TEST_F(RenderTextTest, SelectionModels) {
-  // Simple Latin text.
-  const string16 kLatin = WideToUTF16(L"abc");
-  // LTR 2-character grapheme.
-  const string16 kLTRGrapheme = WideToUTF16(L"\x0915\x093f");
-  // LTR 2-character grapheme, LTR a, LTR 2-character grapheme.
-  const string16 kHindiLatin = WideToUTF16(L"\x0915\x093f"L"a"L"\x0915\x093f");
-  // RTL 2-character grapheme.
-  const string16 kRTLGrapheme = WideToUTF16(L"\x05e0\x05b8");
-  // RTL 2-character grapheme, LTR a, RTL 2-character grapheme.
-  const string16 kHebrewLatin = WideToUTF16(L"\x05e0\x05b8"L"a"L"\x05e0\x05b8");
-
-  struct {
-    string16 text;
-    size_t expected_left_end_caret;
-    SelectionModel::CaretPlacement expected_left_end_placement;
-    size_t expected_right_end_caret;
-    SelectionModel::CaretPlacement expected_right_end_placement;
-  } cases[] = {
-    { string16(), 0, SelectionModel::LEADING, 0, SelectionModel::LEADING },
-    { kLatin, 0, SelectionModel::LEADING, 2, SelectionModel::TRAILING },
-    { kLTRGrapheme, 0, SelectionModel::LEADING, 0, SelectionModel::TRAILING },
-    { kHindiLatin, 0, SelectionModel::LEADING, 3, SelectionModel::TRAILING },
-    { kRTLGrapheme, 0, SelectionModel::TRAILING, 0, SelectionModel::LEADING },
-#if defined(OS_LINUX)
-    // On Linux, the whole string is displayed RTL, rather than individual runs.
-    { kHebrewLatin, 3, SelectionModel::TRAILING, 0, SelectionModel::LEADING },
-#else
-    { kHebrewLatin, 0, SelectionModel::TRAILING, 3, SelectionModel::LEADING },
-#endif
-  };
-
-  scoped_ptr<RenderText> render_text(RenderText::CreateRenderText());
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); i++) {
-    render_text->SetText(cases[i].text);
-
-    SelectionModel model = render_text->LeftEndSelectionModel();
-    EXPECT_EQ(cases[i].expected_left_end_caret, model.caret_pos());
-    EXPECT_TRUE(render_text->IsCursorablePosition(model.caret_pos()));
-    EXPECT_EQ(cases[i].expected_left_end_placement, model.caret_placement());
-
-    model = render_text->RightEndSelectionModel();
-    EXPECT_EQ(cases[i].expected_right_end_caret, model.caret_pos());
-    EXPECT_TRUE(render_text->IsCursorablePosition(model.caret_pos()));
-    EXPECT_EQ(cases[i].expected_right_end_placement, model.caret_placement());
-  }
-}
-
 TEST_F(RenderTextTest, MoveCursorLeftRightWithSelection) {
   scoped_ptr<RenderText> render_text(RenderText::CreateRenderText());
   render_text->SetText(WideToUTF16(L"abc\x05d0\x05d1\x05d2"));
   // Left arrow on select ranging (6, 4).
   render_text->MoveCursorRight(LINE_BREAK, false);
   EXPECT_EQ(6U, render_text->GetCursorPosition());
   render_text->MoveCursorLeft(CHARACTER_BREAK, false);
   EXPECT_EQ(4U, render_text->GetCursorPosition());
   render_text->MoveCursorLeft(CHARACTER_BREAK, false);
   EXPECT_EQ(5U, render_text->GetCursorPosition());
@@ skipping 190 matching lines @@
   EXPECT_EQ(5U, render_text->GetCursorPosition());
   render_text->MoveCursorRight(WORD_BREAK, false);
   EXPECT_EQ(6U, render_text->GetCursorPosition());
   render_text->MoveCursorRight(WORD_BREAK, false);
   EXPECT_EQ(6U, render_text->GetCursorPosition());
 }
 
 #endif
 
 }  // namespace gfx