views: support vertical-drag-to-end on textfields

ui/views/controls/textfield/textfield_model_unittest.cc

 // Copyright 2014 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 <stddef.h>
 
 #include <vector>
 
 #include "base/auto_reset.h"
 #include "base/macros.h"
@@ skipping 579 matching lines @@
   MoveCursorTo(model, 17);
   model.SelectWord();
   SelectWordTestVerifier(model, base::ASCIIToUTF16("     "), 20U);
 
   // Test when cursor is at the end.
   model.MoveCursor(gfx::LINE_BREAK, gfx::CURSOR_RIGHT, false);
   model.SelectWord();
   SelectWordTestVerifier(model, base::ASCIIToUTF16(" "), 24U);
 }
 
+TEST_F(TextfieldModelTest, SelectToStartTest) {
+  TextfieldModel model(nullptr);
+  model.Append(base::ASCIIToUTF16("Hello, World!"));
+  MoveCursorTo(model, 5);
+  model.MoveCursorToStart(true);
+  EXPECT_EQ(model.GetSelectedText(), base::ASCIIToUTF16("Hello"));
+  EXPECT_EQ(model.GetCursorPosition(), 0U);
+}
+
+TEST_F(TextfieldModelTest, SelectToEndTest) {
+  TextfieldModel model(nullptr);
+  model.Append(base::ASCIIToUTF16("Hello, World!"));
+  MoveCursorTo(model, 7);
+  model.MoveCursorToEnd(true);
+  EXPECT_EQ(model.GetSelectedText(), base::ASCIIToUTF16("World!"));
+  EXPECT_EQ(model.GetCursorPosition(), 13U);
+}
+
 // TODO(xji): temporarily disable in platform Win since the complex script
 // characters and Chinese characters are turned into empty square due to font
 // regression.
 #if defined(OS_LINUX)
 TEST_F(TextfieldModelTest, SelectWordTest_MixScripts) {
   TextfieldModel model(NULL);
   std::vector<WordAndCursor> word_and_cursor;
   word_and_cursor.push_back(WordAndCursor(L"a\x05d0", 2));
   word_and_cursor.push_back(WordAndCursor(L"a\x05d0", 2));
   word_and_cursor.push_back(WordAndCursor(L"\x05d1\x05d2", 5));
@@ skipping 972 matching lines @@
   // Test 7
   // Clipboard text with lots of spaces between words should have all spaces
   // replaced with a single space.
   ui::ScopedClipboardWriter(ui::CLIPBOARD_TYPE_COPY_PASTE)
       .WriteText(base::ASCIIToUTF16("FOO      BAR"));
   EXPECT_TRUE(model.Paste());
   EXPECT_STR_EQ("FOO BAR", model.text());
 }
 
 }  // namespace views