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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/354829279): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "ui/gfx/shadow_value.h"
#include <stddef.h>
#include <array>
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/vector2d.h"
namespace gfx {
TEST(ShadowValueTest, GetMargin) {
struct TestCase {
Insets expected_margin;
size_t shadow_count;
ShadowValue shadows[2];
};
constexpr auto kTestCases = std::to_array<TestCase>({
{
Insets(),
0,
{},
},
{
Insets(-2),
1,
{
{gfx::Vector2d(0, 0), 4, 0},
},
},
{
Insets::TLBR(0, -1, -4, -3),
1,
{
{gfx::Vector2d(1, 2), 4, 0},
},
},
{
Insets::TLBR(-4, -3, 0, -1),
1,
{
{gfx::Vector2d(-1, -2), 4, 0},
},
},
{
Insets::TLBR(0, -1, -5, -4),
2,
{
{gfx::Vector2d(1, 2), 4, 0},
{gfx::Vector2d(2, 3), 4, 0},
},
},
{
Insets::TLBR(-4, -3, -5, -4),
2,
{
{gfx::Vector2d(-1, -2), 4, 0},
{gfx::Vector2d(2, 3), 4, 0},
},
},
});
for (size_t i = 0; i < std::size(kTestCases); ++i) {
Insets margin = ShadowValue::GetMargin(
ShadowValues(kTestCases[i].shadows,
kTestCases[i].shadows + kTestCases[i].shadow_count));
EXPECT_EQ(kTestCases[i].expected_margin, margin) << " i=" << i;
}
}
} // namespace gfx
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