Index: base/gfx/uniscribe_unittest.cc |
=================================================================== |
--- base/gfx/uniscribe_unittest.cc (revision 5555) |
+++ base/gfx/uniscribe_unittest.cc (working copy) |
@@ -1,140 +0,0 @@ |
-// Copyright (c) 2006-2008 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/gfx/uniscribe.h" |
-#include "base/win_util.h" |
-#include "testing/gtest/include/gtest/gtest.h" |
- |
-// This must be in the gfx namespace for the friend statements in uniscribe.h |
-// to work. |
-namespace gfx { |
- |
-namespace { |
- |
-class UniscribeTest : public testing::Test { |
- public: |
- UniscribeTest() { |
- } |
- |
- // Returns an HFONT with the given name. The caller does not have to free |
- // this, it will be automatically freed at the end of the test. Returns NULL |
- // on failure. On success, the |
- HFONT MakeFont(const wchar_t* font_name, SCRIPT_CACHE** cache) { |
- LOGFONT lf; |
- memset(&lf, 0, sizeof(LOGFONT)); |
- lf.lfHeight = 20; |
- wcscpy_s(lf.lfFaceName, font_name); |
- |
- HFONT hfont = CreateFontIndirect(&lf); |
- if (!hfont) |
- return NULL; |
- |
- *cache = new SCRIPT_CACHE; |
- **cache = NULL; |
- created_fonts_.push_back(std::make_pair(hfont, *cache)); |
- return hfont; |
- } |
- |
- protected: |
- // Default font properties structure for tests to use. |
- SCRIPT_FONTPROPERTIES properties_; |
- |
- private: |
- virtual void SetUp() { |
- memset(&properties_, 0, sizeof(SCRIPT_FONTPROPERTIES)); |
- properties_.cBytes = sizeof(SCRIPT_FONTPROPERTIES); |
- properties_.wgBlank = ' '; |
- properties_.wgDefault = '?'; // Used when the character is not in the font. |
- properties_.wgInvalid = '#'; // Used for invalid characters. |
- } |
- |
- virtual void TearDown() { |
- // Free any allocated fonts. |
- for (size_t i = 0; i < created_fonts_.size(); i++) { |
- DeleteObject(created_fonts_[i].first); |
- ScriptFreeCache(created_fonts_[i].second); |
- delete created_fonts_[i].second; |
- } |
- created_fonts_.clear(); |
- } |
- |
- // Tracks allocated fonts so we can delete them at the end of the test. |
- // The script cache pointer is heap allocated and must be freed. |
- std::vector< std::pair<HFONT, SCRIPT_CACHE*> > created_fonts_; |
- |
- DISALLOW_EVIL_CONSTRUCTORS(UniscribeTest); |
-}; |
- |
-} // namespace |
- |
-// This test tests giving Uniscribe a very large buffer, which will cause a |
-// failure. |
-TEST_F(UniscribeTest, TooBig) { |
- // This test will only run on Windows XP. It seems Uniscribe does not have the |
- // internal limit on Windows 2000 that we rely on to cause this failure. |
- if (win_util::GetWinVersion() <= win_util::WINVERSION_2000) |
- return; |
- |
- // Make a large string with an e with a zillion combining accents. |
- std::wstring input(L"e"); |
- for (int i = 0; i < 100000; i++) |
- input.push_back(0x301); // Combining acute accent. |
- |
- SCRIPT_CACHE* script_cache; |
- HFONT hfont = MakeFont(L"Times New Roman", &script_cache); |
- ASSERT_TRUE(hfont); |
- |
- // Test a long string without the normal length protection we have. This will |
- // cause shaping to fail. |
- { |
- gfx::UniscribeState uniscribe(input.data(), static_cast<int>(input.size()), |
- false, hfont, script_cache, &properties_); |
- uniscribe.InitWithOptionalLengthProtection(false); |
- |
- // There should be one shaping entry, with nothing in it. |
- ASSERT_EQ(1, uniscribe.shapes_->size()); |
- EXPECT_EQ(0, uniscribe.shapes_[0].glyphs->size()); |
- EXPECT_EQ(0, uniscribe.shapes_[0].logs->size()); |
- EXPECT_EQ(0, uniscribe.shapes_[0].visattr->size()); |
- EXPECT_EQ(0, uniscribe.shapes_[0].advance->size()); |
- EXPECT_EQ(0, uniscribe.shapes_[0].offsets->size()); |
- EXPECT_EQ(0, uniscribe.shapes_[0].justify->size()); |
- EXPECT_EQ(0, uniscribe.shapes_[0].abc.abcA); |
- EXPECT_EQ(0, uniscribe.shapes_[0].abc.abcB); |
- EXPECT_EQ(0, uniscribe.shapes_[0].abc.abcC); |
- |
- // The sizes of the other stuff should match the shaping entry. |
- EXPECT_EQ(1, uniscribe.runs_->size()); |
- EXPECT_EQ(1, uniscribe.screen_order_->size()); |
- |
- // Check that the various querying functions handle the empty case properly. |
- EXPECT_EQ(0, uniscribe.Width()); |
- EXPECT_EQ(0, uniscribe.FirstGlyphForCharacter(0)); |
- EXPECT_EQ(0, uniscribe.FirstGlyphForCharacter(1000)); |
- EXPECT_EQ(0, uniscribe.XToCharacter(0)); |
- EXPECT_EQ(0, uniscribe.XToCharacter(1000)); |
- } |
- |
- // Now test the very large string and make sure it is handled properly by the |
- // length protection. |
- { |
- gfx::UniscribeState uniscribe(input.data(), static_cast<int>(input.size()), |
- false, hfont, script_cache, &properties_); |
- uniscribe.InitWithOptionalLengthProtection(true); |
- |
- // There should be 0 runs and shapes. |
- EXPECT_EQ(0, uniscribe.runs_->size()); |
- EXPECT_EQ(0, uniscribe.shapes_->size()); |
- EXPECT_EQ(0, uniscribe.screen_order_->size()); |
- |
- EXPECT_EQ(0, uniscribe.Width()); |
- EXPECT_EQ(0, uniscribe.FirstGlyphForCharacter(0)); |
- EXPECT_EQ(0, uniscribe.FirstGlyphForCharacter(1000)); |
- EXPECT_EQ(0, uniscribe.XToCharacter(0)); |
- EXPECT_EQ(0, uniscribe.XToCharacter(1000)); |
- } |
-} |
- |
-} // namespace gfx |
- |