no native implementation of Textfield.

views/controls/textfield/textfield_view_model_unittest.cc

+// Copyright (c) 2010 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 "base/utf_string_conversions.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "views/controls/textfield/textfield_view_model.h"
+
+namespace views {
+
+#define EXPECT_STR_EQ(ascii, utf16) EXPECT_EQ(ASCIIToUTF16(ascii), utf16)
+
+TEST(TextfieldViewModelTest, EditString) {
+  TextfieldViewModel model;
+  // append two strings
+  model.Append(ASCIIToUTF16("HILL"));
+  EXPECT_STR_EQ("HILL", model.text());
+  model.Append(ASCIIToUTF16("WORLD"));
+  EXPECT_STR_EQ("HILLWORLD", model.text());
+
+  // Insert "E" to make hello
+  model.MoveCursorRight(false);
+  model.Insert('E');
+  EXPECT_STR_EQ("HEILLWORLD", model.text());
+  // Replace "I" with "L"
+  model.Replace('L');
+  EXPECT_STR_EQ("HELLLWORLD", model.text());
+  model.Replace('L');
+  model.Replace('O');
+  EXPECT_STR_EQ("HELLOWORLD", model.text());
+
+  // Delete 6th char "W", then delete 5th char O"
+  EXPECT_EQ(5, model.cursor_pos());
+  EXPECT_TRUE(model.Delete());
+  EXPECT_STR_EQ("HELLOORLD", model.text());
+  EXPECT_TRUE(model.Backspace());
+  EXPECT_EQ(4, model.cursor_pos());
+  EXPECT_STR_EQ("HELLORLD", model.text());
+
+  // Move the cursor to start. backspace should fail.
+  model.MoveCursorToStart(false);
+  EXPECT_FALSE(model.Backspace());
+  EXPECT_STR_EQ("HELLORLD", model.text());
+  // Move the cursor to the end. delete should fail.
+  model.MoveCursorToEnd(false);
+  EXPECT_FALSE(model.Delete());
+  EXPECT_STR_EQ("HELLORLD", model.text());
+  // but backspace should work.
+  EXPECT_TRUE(model.Backspace());
+  EXPECT_STR_EQ("HELLORL", model.text());
+}
+
+TEST(TextfieldViewModelTest, EmptyString) {
+  TextfieldViewModel model;
+  EXPECT_EQ(string16(), model.text());
+  EXPECT_EQ(string16(), model.GetSelectedText());
+  EXPECT_EQ(string16(), model.GetVisibleText());
+
+  model.MoveCursorLeft(true);
+  EXPECT_EQ(0, model.cursor_pos());
+  model.MoveCursorRight(true);
+  EXPECT_EQ(0, model.cursor_pos());
+
+  EXPECT_EQ(string16(), model.GetSelectedText());
+
+  EXPECT_FALSE(model.Delete());
+  EXPECT_FALSE(model.Backspace());
+}
+
+TEST(TextfieldViewModelTest, Selection) {
+  TextfieldViewModel model;
+  model.Append(ASCIIToUTF16("HELLO"));
+  model.MoveCursorRight(false);
+  model.MoveCursorRight(true);
+  EXPECT_STR_EQ("E", model.GetSelectedText());
+  model.MoveCursorRight(true);
+  EXPECT_STR_EQ("EL", model.GetSelectedText());
+
+  model.MoveCursorToStart(true);
+  EXPECT_STR_EQ("H", model.GetSelectedText());
+  model.MoveCursorToEnd(true);
+  EXPECT_STR_EQ("ELLO", model.GetSelectedText());
+  model.ClearSelection();
+  EXPECT_EQ(string16(), model.GetSelectedText());
+  model.SelectAll();
+  EXPECT_STR_EQ("HELLO", model.GetSelectedText());
+}
+
+TEST(TextfieldViewModelTest, SelectionAndEdit) {
+  TextfieldViewModel model;
+  model.Append(ASCIIToUTF16("HELLO"));
+  model.MoveCursorRight(false);
+  model.MoveCursorRight(true);
+  model.MoveCursorRight(true);  // select "EL"
+  EXPECT_TRUE(model.Backspace());
+  EXPECT_STR_EQ("HLO", model.text());
+
+  model.Append(ASCIIToUTF16("ILL"));
+  model.MoveCursorRight(true);
+  model.MoveCursorRight(true);  // select "LO"
+  EXPECT_TRUE(model.Delete());
+  EXPECT_STR_EQ("HILL", model.text());
+  EXPECT_EQ(1, model.cursor_pos());
+  model.MoveCursorRight(true);  // select "I"
+  model.Insert('E');
+  EXPECT_STR_EQ("HELL", model.text());
+  model.MoveCursorToStart(false);
+  model.MoveCursorRight(true);  // select "H"
+  model.Replace('B');
+  EXPECT_STR_EQ("BELL", model.text());
+  model.MoveCursorToEnd(false);
+  model.MoveCursorLeft(true);
+  model.MoveCursorLeft(true);  // select ">LL"
+  model.Replace('E');
+  EXPECT_STR_EQ("BEE", model.text());
+}
+
+TEST(TextfieldViewModelTest, Password) {
+  TextfieldViewModel model;
+  model.set_is_password(true);
+  model.Append(ASCIIToUTF16("HELLO"));
+  EXPECT_STR_EQ("*****", model.GetVisibleText());
+  EXPECT_STR_EQ("HELLO", model.text());
+  EXPECT_TRUE(model.Delete());
+
+  EXPECT_STR_EQ("****", model.GetVisibleText());
+  EXPECT_STR_EQ("ELLO", model.text());
+  EXPECT_EQ(0, model.cursor_pos());
+
+  model.SelectAll();
+  EXPECT_STR_EQ("ELLO", model.GetSelectedText());
+  EXPECT_EQ(0, model.cursor_pos());
+
+  model.Insert('X');
+  EXPECT_STR_EQ("*", model.GetVisibleText());
+  EXPECT_STR_EQ("X", model.text());
+}
+
+TEST(TextfieldViewModelTest, Word) {
+  TextfieldViewModel model;
+  model.Append(
+      ASCIIToUTF16("The answer to Life, the Universe, and Everything"));
+  model.MoveCursorToNextWord(false);
+  EXPECT_EQ(3, model.cursor_pos());
+  model.MoveCursorToNextWord(false);
+  EXPECT_EQ(10, model.cursor_pos());
+  model.MoveCursorToNextWord(false);
+  model.MoveCursorToNextWord(false);
+  EXPECT_EQ(18, model.cursor_pos());
+
+  // Should passes the non word char ','
+  model.MoveCursorToNextWord(true);
+  EXPECT_EQ(23, model.cursor_pos());
+  EXPECT_STR_EQ(", the", model.GetSelectedText());
+
+  // Move to the end.
+  model.MoveCursorToNextWord(true);
+  model.MoveCursorToNextWord(true);
+  model.MoveCursorToNextWord(true);
+  EXPECT_STR_EQ(", the Universe, and Everything", model.GetSelectedText());
+  // Should be safe to go next word at the end.
+  model.MoveCursorToNextWord(true);
+  EXPECT_STR_EQ(", the Universe, and Everything", model.GetSelectedText());
+  model.Insert('2');
+  EXPECT_EQ(19, model.cursor_pos());
+
+  // Now backwards.
+  model.MoveCursorLeft(false);  // leave 2.
+  model.MoveCursorToPreviousWord(true);
+  EXPECT_EQ(14, model.cursor_pos());
+  EXPECT_STR_EQ("Life", model.GetSelectedText());
+  model.MoveCursorToPreviousWord(true);
+  EXPECT_STR_EQ("to Life", model.GetSelectedText());
+  model.MoveCursorToPreviousWord(true);
+  model.MoveCursorToPreviousWord(true);
+  model.MoveCursorToPreviousWord(true);  // Select to the begining.
+  EXPECT_STR_EQ("The answer to Life", model.GetSelectedText());
+  // Should be safe to go pervious word at the begining.
+  model.MoveCursorToPreviousWord(true);
+  EXPECT_STR_EQ("The answer to Life", model.GetSelectedText());
+  model.Replace('4');
+  EXPECT_EQ(string16(), model.GetSelectedText());
+  EXPECT_STR_EQ("42", model.GetVisibleText());
+}
+
+TEST(TextfieldViewModelTest, TextFragment) {
+  TextfieldViewModel model;
+  TextfieldViewModel::TextFragments fragments;
+  // Empty string
+  model.PopulateFragments(&fragments);
+  EXPECT_EQ(1U, fragments.size());
+  fragments.clear();
+  EXPECT_EQ(0U, fragments[0].begin);
+  EXPECT_EQ(0U, fragments[0].end);
+  EXPECT_FALSE(fragments[0].selected);
+
+  // Some string
+  model.Append(ASCIIToUTF16("Hello world"));
+  model.PopulateFragments(&fragments);
+  EXPECT_EQ(1U, fragments.size());
+  EXPECT_EQ(0U, fragments[0].begin);
+  EXPECT_EQ(11U, fragments[0].end);
+  EXPECT_FALSE(fragments[0].selected);
+
+  // Select 1st word
+  model.MoveCursorToNextWord(true);
+  model.PopulateFragments(&fragments);
+  EXPECT_EQ(2U, fragments.size());
+  EXPECT_EQ(0U, fragments[0].begin);
+  EXPECT_EQ(5U, fragments[0].end);
+  EXPECT_TRUE(fragments[0].selected);
+  EXPECT_EQ(5U, fragments[1].begin);
+  EXPECT_EQ(11U, fragments[1].end);
+  EXPECT_FALSE(fragments[1].selected);
+
+  // Select empty string
+  model.ClearSelection();
+  model.MoveCursorRight(true);
+  model.PopulateFragments(&fragments);
+  EXPECT_EQ(3U, fragments.size());
+  EXPECT_EQ(0U, fragments[0].begin);
+  EXPECT_EQ(5U, fragments[0].end);
+  EXPECT_FALSE(fragments[0].selected);
+  EXPECT_EQ(5U, fragments[1].begin);
+  EXPECT_EQ(6U, fragments[1].end);
+  EXPECT_TRUE(fragments[1].selected);
+
+  EXPECT_EQ(6U, fragments[2].begin);
+  EXPECT_EQ(11U, fragments[2].end);
+  EXPECT_FALSE(fragments[2].selected);
+
+  // Select to the end.
+  model.MoveCursorToEnd(true);
+  model.PopulateFragments(&fragments);
+  EXPECT_EQ(2U, fragments.size());
+  EXPECT_EQ(0U, fragments[0].begin);
+  EXPECT_EQ(5U, fragments[0].end);
+  EXPECT_FALSE(fragments[0].selected);
+  EXPECT_EQ(5U, fragments[1].begin);
+  EXPECT_EQ(11U, fragments[1].end);
+  EXPECT_TRUE(fragments[1].selected);
+}
+
+TEST(TextfieldViewModelTest, SetText) {
+  TextfieldViewModel model;
+  model.Append(ASCIIToUTF16("HELLO"));
+  model.MoveCursorToEnd(false);
+  model.SetText(ASCIIToUTF16("GOODBYE"));
+  EXPECT_STR_EQ("GOODBYE", model.text());
+  EXPECT_EQ(5, model.cursor_pos());
+  model.SelectAll();
+  EXPECT_STR_EQ("GOODBYE", model.GetSelectedText());
+  EXPECT_EQ(5, model.cursor_pos());
+
+  model.SetText(ASCIIToUTF16("BYE"));
+  EXPECT_EQ(3, model.cursor_pos());
+  EXPECT_EQ(string16(), model.GetSelectedText());
+  model.SetText(ASCIIToUTF16(""));
+  EXPECT_EQ(0, model.cursor_pos());
+}
+
+}  // namespace views