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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/shadow_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/shadow_value.h"
namespace gfx {
// Tests the ShadowDetailsKey works properly for shadow details cache.
TEST(ShadowUtilTest, ShadowDetailsKey) {
// Make a cache for the generated details such that they will not be removed
// from the shadow details cache.
std::vector<ShadowDetails> details;
// Add first shadow details.
details.emplace_back(ShadowDetails::Get(/*elevation=*/4, /*radius=*/2));
EXPECT_EQ(1u, ShadowDetails::GetDetailsCacheSizeForTest());
// Add second shadow details with a different elevation.
details.emplace_back(ShadowDetails::Get(/*elevation=*/5, /*radius=*/2));
EXPECT_EQ(2u, ShadowDetails::GetDetailsCacheSizeForTest());
// Add third shadow details with a different rounded corner radius.
details.emplace_back(ShadowDetails::Get(/*elevation=*/5, /*radius=*/3));
EXPECT_EQ(3u, ShadowDetails::GetDetailsCacheSizeForTest());
// Add a same shadow details will not increase the cache.
details.emplace_back(ShadowDetails::Get(/*elevation=*/4, /*radius=*/2));
EXPECT_EQ(3u, ShadowDetails::GetDetailsCacheSizeForTest());
// Add fourth shadow details with a different key shadow blur than the first
// details.
const ShadowValues& values_1 = details[0].values;
ShadowValues new_blur_values = {
ShadowValue(values_1[0].offset(), /*blur=*/20, values_1[0].color()),
values_1[1]};
details.emplace_back(ShadowDetails::Get(/*radius=*/2, new_blur_values));
EXPECT_EQ(4u, ShadowDetails::GetDetailsCacheSizeForTest());
// Add fifth shadow details with a different ambient color than the second
// details.
const ShadowValues& values_2 = details[1].values;
ShadowValues new_color_values = {
ShadowValue(values_2[0].offset(), values_2[0].blur(), SK_ColorBLUE),
values_2[1]};
details.emplace_back(ShadowDetails::Get(/*radius=*/2, new_color_values));
EXPECT_EQ(5u, ShadowDetails::GetDetailsCacheSizeForTest());
}
} // namespace gfx
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