diff options
Diffstat (limited to 'core/src/fxcrt/fx_bidi_unittest.cpp')
-rw-r--r-- | core/src/fxcrt/fx_bidi_unittest.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/core/src/fxcrt/fx_bidi_unittest.cpp b/core/src/fxcrt/fx_bidi_unittest.cpp new file mode 100644 index 0000000000..c629cbbdc6 --- /dev/null +++ b/core/src/fxcrt/fx_bidi_unittest.cpp @@ -0,0 +1,136 @@ +// Copyright 2015 PDFium 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 "testing/gtest/include/gtest/gtest.h" +#include "../../include/fxcrt/fx_bidi.h" + +namespace { + +const FX_WCHAR kNeutralChar = 32; +const FX_WCHAR kLeftChar = 65; +const FX_WCHAR kRightChar = 1424; + +} // namespace + +TEST(fxcrt, BidiCharEmpty) { + int32_t start = -1; + int32_t count = -1; + CFX_BidiChar bidi; + CFX_BidiChar::Direction dir = bidi.GetBidiInfo(nullptr, nullptr); + EXPECT_EQ(CFX_BidiChar::NEUTRAL, dir); + + dir = bidi.GetBidiInfo(&start, nullptr); + EXPECT_EQ(CFX_BidiChar::NEUTRAL, dir); + EXPECT_EQ(0, start); + + dir = bidi.GetBidiInfo(nullptr, &count); + EXPECT_EQ(CFX_BidiChar::NEUTRAL, dir); + EXPECT_EQ(0, count); + + start = -1; + count = -1; + dir = bidi.GetBidiInfo(&start, &count); + EXPECT_EQ(CFX_BidiChar::NEUTRAL, dir); + EXPECT_EQ(0, start); + EXPECT_EQ(0, count); + + EXPECT_FALSE(bidi.EndChar()); +} + +TEST(fxcrt, BidiCharLeft) { + int32_t start = -1; + int32_t count = -1; + CFX_BidiChar bidi; + + EXPECT_TRUE(bidi.AppendChar(kLeftChar)); + CFX_BidiChar::Direction dir = bidi.GetBidiInfo(&start, &count); + EXPECT_EQ(0, start); + EXPECT_EQ(0, count); + + EXPECT_FALSE(bidi.AppendChar(kLeftChar)); + EXPECT_FALSE(bidi.AppendChar(kLeftChar)); + + dir = bidi.GetBidiInfo(&start, &count); + EXPECT_EQ(CFX_BidiChar::NEUTRAL, dir); + EXPECT_EQ(0, start); + EXPECT_EQ(0, count); + + EXPECT_TRUE(bidi.EndChar()); + dir = bidi.GetBidiInfo(&start, &count); + EXPECT_EQ(CFX_BidiChar::LEFT, dir); + EXPECT_EQ(0, start); + EXPECT_EQ(3, count); + + EXPECT_FALSE(bidi.EndChar()); +} + +TEST(fxcrt, BidiCharLeftNeutralRight) { + int32_t start = -1; + int32_t count = -1; + CFX_BidiChar bidi; + + EXPECT_TRUE(bidi.AppendChar(kLeftChar)); + CFX_BidiChar::Direction dir = bidi.GetBidiInfo(&start, &count); + EXPECT_EQ(0, start); + EXPECT_EQ(0, count); + + EXPECT_FALSE(bidi.AppendChar(kLeftChar)); + EXPECT_FALSE(bidi.AppendChar(kLeftChar)); + EXPECT_TRUE(bidi.AppendChar(kNeutralChar)); + dir = bidi.GetBidiInfo(&start, &count); + EXPECT_EQ(0, start); + EXPECT_EQ(3, count); + + EXPECT_FALSE(bidi.AppendChar(kNeutralChar)); + EXPECT_FALSE(bidi.AppendChar(kNeutralChar)); + EXPECT_FALSE(bidi.AppendChar(kNeutralChar)); + EXPECT_TRUE(bidi.AppendChar(kRightChar)); + dir = bidi.GetBidiInfo(&start, &count); + EXPECT_EQ(CFX_BidiChar::NEUTRAL, dir); + EXPECT_EQ(3, start); + EXPECT_EQ(4, count); + + EXPECT_TRUE(bidi.EndChar()); + dir = bidi.GetBidiInfo(&start, &count); + EXPECT_EQ(CFX_BidiChar::RIGHT, dir); + EXPECT_EQ(7, start); + EXPECT_EQ(1, count); + + EXPECT_FALSE(bidi.EndChar()); +} + +TEST(fxcrt, BidiCharLeftRightLeft) { + int32_t start = -1; + int32_t count = -1; + CFX_BidiChar bidi; + + EXPECT_TRUE(bidi.AppendChar(kLeftChar)); + CFX_BidiChar::Direction dir = bidi.GetBidiInfo(&start, &count); + EXPECT_EQ(0, start); + EXPECT_EQ(0, count); + + EXPECT_FALSE(bidi.AppendChar(kLeftChar)); + EXPECT_FALSE(bidi.AppendChar(kLeftChar)); + EXPECT_TRUE(bidi.AppendChar(kRightChar)); + dir = bidi.GetBidiInfo(&start, &count); + EXPECT_EQ(0, start); + EXPECT_EQ(3, count); + + EXPECT_FALSE(bidi.AppendChar(kRightChar)); + EXPECT_FALSE(bidi.AppendChar(kRightChar)); + EXPECT_FALSE(bidi.AppendChar(kRightChar)); + EXPECT_TRUE(bidi.AppendChar(kLeftChar)); + dir = bidi.GetBidiInfo(&start, &count); + EXPECT_EQ(CFX_BidiChar::RIGHT, dir); + EXPECT_EQ(3, start); + EXPECT_EQ(4, count); + + EXPECT_TRUE(bidi.EndChar()); + dir = bidi.GetBidiInfo(&start, &count); + EXPECT_EQ(CFX_BidiChar::LEFT, dir); + EXPECT_EQ(7, start); + EXPECT_EQ(1, count); + + EXPECT_FALSE(bidi.EndChar()); +} |