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Diffstat (limited to 'base/gfx/uniscribe_unittest.cc')
-rw-r--r-- | base/gfx/uniscribe_unittest.cc | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/base/gfx/uniscribe_unittest.cc b/base/gfx/uniscribe_unittest.cc deleted file mode 100644 index bbad411..0000000 --- a/base/gfx/uniscribe_unittest.cc +++ /dev/null @@ -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 - |