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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/text/writing_mode_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
namespace blink {
namespace {
enum { kTop, kRight, kBottom, kLeft };
TEST(WritingModeUtilsTest, PhysicalToLogicalHorizontalLtr) {
PhysicalToLogical<int> converter(
{WritingMode::kHorizontalTb, TextDirection::kLtr}, kTop, kRight, kBottom,
kLeft);
EXPECT_EQ(kLeft, converter.InlineStart());
EXPECT_EQ(kRight, converter.InlineEnd());
EXPECT_EQ(kTop, converter.BlockStart());
EXPECT_EQ(kBottom, converter.BlockEnd());
}
TEST(WritingModeUtilsTest, PhysicalToLogicalHorizontalRtl) {
PhysicalToLogical<int> converter(
{WritingMode::kHorizontalTb, TextDirection::kRtl}, kTop, kRight, kBottom,
kLeft);
EXPECT_EQ(kRight, converter.InlineStart());
EXPECT_EQ(kLeft, converter.InlineEnd());
EXPECT_EQ(kTop, converter.BlockStart());
EXPECT_EQ(kBottom, converter.BlockEnd());
}
TEST(WritingModeUtilsTest, PhysicalToLogicalVlrLtr) {
PhysicalToLogical<int> converter(
{WritingMode::kVerticalLr, TextDirection::kLtr}, kTop, kRight, kBottom,
kLeft);
EXPECT_EQ(kTop, converter.InlineStart());
EXPECT_EQ(kBottom, converter.InlineEnd());
EXPECT_EQ(kLeft, converter.BlockStart());
EXPECT_EQ(kRight, converter.BlockEnd());
}
TEST(WritingModeUtilsTest, PhysicalToLogicalVlrRtl) {
PhysicalToLogical<int> converter(
{WritingMode::kVerticalLr, TextDirection::kRtl}, kTop, kRight, kBottom,
kLeft);
EXPECT_EQ(kBottom, converter.InlineStart());
EXPECT_EQ(kTop, converter.InlineEnd());
EXPECT_EQ(kLeft, converter.BlockStart());
EXPECT_EQ(kRight, converter.BlockEnd());
}
TEST(WritingModeUtilsTest, PhysicalToLogicalVrlLtr) {
PhysicalToLogical<int> converter(
{WritingMode::kVerticalRl, TextDirection::kLtr}, kTop, kRight, kBottom,
kLeft);
EXPECT_EQ(kTop, converter.InlineStart());
EXPECT_EQ(kBottom, converter.InlineEnd());
EXPECT_EQ(kRight, converter.BlockStart());
EXPECT_EQ(kLeft, converter.BlockEnd());
}
TEST(WritingModeUtilsTest, PhysicalToLogicalVrlRtl) {
PhysicalToLogical<int> converter(
{WritingMode::kVerticalRl, TextDirection::kRtl}, kTop, kRight, kBottom,
kLeft);
EXPECT_EQ(kBottom, converter.InlineStart());
EXPECT_EQ(kTop, converter.InlineEnd());
EXPECT_EQ(kRight, converter.BlockStart());
EXPECT_EQ(kLeft, converter.BlockEnd());
}
enum { kInlineStart = 1000, kInlineEnd, kBlockStart, kBlockEnd };
TEST(WritingModeUtilsTest, LogicalToPhysicalHorizontalLtr) {
LogicalToPhysical<int> converter(
{WritingMode::kHorizontalTb, TextDirection::kLtr}, kInlineStart,
kInlineEnd, kBlockStart, kBlockEnd);
EXPECT_EQ(kInlineStart, converter.Left());
EXPECT_EQ(kInlineEnd, converter.Right());
EXPECT_EQ(kBlockStart, converter.Top());
EXPECT_EQ(kBlockEnd, converter.Bottom());
}
TEST(WritingModeUtilsTest, LogicalToPhysicalHorizontalRtl) {
LogicalToPhysical<int> converter(
{WritingMode::kHorizontalTb, TextDirection::kRtl}, kInlineStart,
kInlineEnd, kBlockStart, kBlockEnd);
EXPECT_EQ(kInlineEnd, converter.Left());
EXPECT_EQ(kInlineStart, converter.Right());
EXPECT_EQ(kBlockStart, converter.Top());
EXPECT_EQ(kBlockEnd, converter.Bottom());
}
TEST(WritingModeUtilsTest, LogicalToPhysicalVlrLtr) {
LogicalToPhysical<int> converter(
{WritingMode::kVerticalLr, TextDirection::kLtr}, kInlineStart, kInlineEnd,
kBlockStart, kBlockEnd);
EXPECT_EQ(kBlockStart, converter.Left());
EXPECT_EQ(kBlockEnd, converter.Right());
EXPECT_EQ(kInlineStart, converter.Top());
EXPECT_EQ(kInlineEnd, converter.Bottom());
}
TEST(WritingModeUtilsTest, LogicalToPhysicalVlrRtl) {
LogicalToPhysical<int> converter(
{WritingMode::kVerticalLr, TextDirection::kRtl}, kInlineStart, kInlineEnd,
kBlockStart, kBlockEnd);
EXPECT_EQ(kBlockStart, converter.Left());
EXPECT_EQ(kBlockEnd, converter.Right());
EXPECT_EQ(kInlineEnd, converter.Top());
EXPECT_EQ(kInlineStart, converter.Bottom());
}
TEST(WritingModeUtilsTest, LogicalToPhysicalVrlLtr) {
LogicalToPhysical<int> converter(
{WritingMode::kVerticalRl, TextDirection::kLtr}, kInlineStart, kInlineEnd,
kBlockStart, kBlockEnd);
EXPECT_EQ(kBlockEnd, converter.Left());
EXPECT_EQ(kBlockStart, converter.Right());
EXPECT_EQ(kInlineStart, converter.Top());
EXPECT_EQ(kInlineEnd, converter.Bottom());
}
TEST(WritingModeUtilsTest, LogicalToPhysicalVrlRtl) {
LogicalToPhysical<int> converter(
{WritingMode::kVerticalRl, TextDirection::kRtl}, kInlineStart, kInlineEnd,
kBlockStart, kBlockEnd);
EXPECT_EQ(kBlockEnd, converter.Left());
EXPECT_EQ(kBlockStart, converter.Right());
EXPECT_EQ(kInlineEnd, converter.Top());
EXPECT_EQ(kInlineStart, converter.Bottom());
}
TEST(WritingModeUtilsTest, LogicalToPhysicalSlrLtr) {
LogicalToPhysical<int> converter(
{WritingMode::kSidewaysLr, TextDirection::kLtr}, kInlineStart, kInlineEnd,
kBlockStart, kBlockEnd);
EXPECT_EQ(kBlockStart, converter.Left());
EXPECT_EQ(kBlockEnd, converter.Right());
EXPECT_EQ(kInlineEnd, converter.Top());
EXPECT_EQ(kInlineStart, converter.Bottom());
}
TEST(WritingModeUtilsTest, LogicalToPhysicalSlrRtl) {
LogicalToPhysical<int> converter(
{WritingMode::kSidewaysLr, TextDirection::kRtl}, kInlineStart, kInlineEnd,
kBlockStart, kBlockEnd);
EXPECT_EQ(kBlockStart, converter.Left());
EXPECT_EQ(kBlockEnd, converter.Right());
EXPECT_EQ(kInlineStart, converter.Top());
EXPECT_EQ(kInlineEnd, converter.Bottom());
}
TEST(WritingModeUtilsTest, LogicalToPhysicalSrlLtr) {
LogicalToPhysical<int> converter(
{WritingMode::kSidewaysRl, TextDirection::kLtr}, kInlineStart, kInlineEnd,
kBlockStart, kBlockEnd);
EXPECT_EQ(kBlockEnd, converter.Left());
EXPECT_EQ(kBlockStart, converter.Right());
EXPECT_EQ(kInlineStart, converter.Top());
EXPECT_EQ(kInlineEnd, converter.Bottom());
}
TEST(WritingModeUtilsTest, LogicalToPhysicalSrlRtl) {
LogicalToPhysical<int> converter(
{WritingMode::kSidewaysRl, TextDirection::kRtl}, kInlineStart, kInlineEnd,
kBlockStart, kBlockEnd);
EXPECT_EQ(kBlockEnd, converter.Left());
EXPECT_EQ(kBlockStart, converter.Right());
EXPECT_EQ(kInlineEnd, converter.Top());
EXPECT_EQ(kInlineStart, converter.Bottom());
}
class PhysicalValues {
STACK_ALLOCATED();
public:
int Top() const { return top_; }
int Right() const { return right_; }
int Bottom() const { return bottom_; }
int Left() const { return left_; }
void SetTop(int top) { top_ = top; }
void SetRight(int right) { right_ = right; }
void SetBottom(int bottom) { bottom_ = bottom; }
void SetLeft(int left) { left_ = left; }
private:
int top_ = kTop;
int right_ = kRight;
int bottom_ = kBottom;
int left_ = kLeft;
};
TEST(WritingModeUtilsTest, PhysicalToLogicalGetter) {
PhysicalValues physical_values;
PhysicalToLogicalGetter<int, PhysicalValues> getter(
{WritingMode::kVerticalRl, TextDirection::kRtl}, physical_values,
&PhysicalValues::Top, &PhysicalValues::Right, &PhysicalValues::Bottom,
&PhysicalValues::Left);
EXPECT_EQ(kBottom, getter.InlineStart());
EXPECT_EQ(kTop, getter.InlineEnd());
EXPECT_EQ(kRight, getter.BlockStart());
EXPECT_EQ(kLeft, getter.BlockEnd());
}
TEST(WritingModeUtilsTest, LogicalToPhysicalSetter) {
PhysicalValues physical_values;
LogicalToPhysicalSetter<int, PhysicalValues> setter(
{WritingMode::kVerticalRl, TextDirection::kRtl}, physical_values,
&PhysicalValues::SetTop, &PhysicalValues::SetRight,
&PhysicalValues::SetBottom, &PhysicalValues::SetLeft);
setter.SetInlineStart(kInlineStart);
setter.SetInlineEnd(kInlineEnd);
setter.SetBlockStart(kBlockStart);
setter.SetBlockEnd(kBlockEnd);
EXPECT_EQ(kBlockEnd, physical_values.Left());
EXPECT_EQ(kBlockStart, physical_values.Right());
EXPECT_EQ(kInlineEnd, physical_values.Top());
EXPECT_EQ(kInlineStart, physical_values.Bottom());
}
class LogicalValues {
STACK_ALLOCATED();
public:
int InlineStart() const { return inline_start_; }
int InlineEnd() const { return inline_end_; }
int BlockStart() const { return block_start_; }
int BlockEnd() const { return block_end_; }
void SetInlineStart(int inline_start) { inline_start_ = inline_start; }
void SetInlineEnd(int inline_end) { inline_end_ = inline_end; }
void SetBlockStart(int block_start) { block_start_ = block_start; }
void SetBlockEnd(int block_end) { block_end_ = block_end; }
private:
int inline_start_ = kInlineStart;
int inline_end_ = kInlineEnd;
int block_start_ = kBlockStart;
int block_end_ = kBlockEnd;
};
TEST(WritingModeUtilsTest, LogicalToPhysicalGetter) {
LogicalValues logical_values;
LogicalToPhysicalGetter<int, LogicalValues> getter(
{WritingMode::kVerticalRl, TextDirection::kRtl}, logical_values,
&LogicalValues::InlineStart, &LogicalValues::InlineEnd,
&LogicalValues::BlockStart, &LogicalValues::BlockEnd);
EXPECT_EQ(kBlockEnd, getter.Left());
EXPECT_EQ(kBlockStart, getter.Right());
EXPECT_EQ(kInlineEnd, getter.Top());
EXPECT_EQ(kInlineStart, getter.Bottom());
}
} // namespace
} // namespace blink
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