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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.
#include "ui/base/resource/resource_scale_factor.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ui {
TEST(ResourceScaleFactorTest, GetResourceScaleFactorScale) {
EXPECT_FLOAT_EQ(1.0f, GetScaleForResourceScaleFactor(k100Percent));
EXPECT_FLOAT_EQ(2.0f, GetScaleForResourceScaleFactor(k200Percent));
EXPECT_FLOAT_EQ(3.0f, GetScaleForResourceScaleFactor(k300Percent));
}
TEST(ResourceScaleFactorTest, GetScaleFactorFromScalePartlySupported) {
test::ScopedSetSupportedResourceScaleFactors scoped_supported(
{k100Percent, k200Percent});
EXPECT_EQ(k100Percent, GetSupportedResourceScaleFactor(0.1f));
EXPECT_EQ(k100Percent, GetSupportedResourceScaleFactor(0.9f));
EXPECT_EQ(k100Percent, GetSupportedResourceScaleFactor(1.0f));
EXPECT_EQ(k100Percent, GetSupportedResourceScaleFactor(1.41f));
EXPECT_EQ(k200Percent, GetSupportedResourceScaleFactor(1.6f));
EXPECT_EQ(k200Percent, GetSupportedResourceScaleFactor(2.0f));
EXPECT_EQ(k200Percent, GetSupportedResourceScaleFactor(999.0f));
}
TEST(ResourceScaleFactorTest, GetScaleFactorFromScaleAllSupported) {
std::vector<ResourceScaleFactor> supported_factors;
for (int factor = k100Percent; factor < NUM_SCALE_FACTORS; ++factor) {
supported_factors.push_back(static_cast<ResourceScaleFactor>(factor));
}
test::ScopedSetSupportedResourceScaleFactors scoped_supported(
supported_factors);
EXPECT_EQ(k100Percent, GetSupportedResourceScaleFactor(0.1f));
EXPECT_EQ(k100Percent, GetSupportedResourceScaleFactor(0.9f));
EXPECT_EQ(k100Percent, GetSupportedResourceScaleFactor(1.0f));
EXPECT_EQ(k100Percent, GetSupportedResourceScaleFactor(1.49f));
EXPECT_EQ(k200Percent, GetSupportedResourceScaleFactor(1.51f));
EXPECT_EQ(k200Percent, GetSupportedResourceScaleFactor(2.0f));
EXPECT_EQ(k200Percent, GetSupportedResourceScaleFactor(2.49f));
EXPECT_EQ(k300Percent, GetSupportedResourceScaleFactor(2.51f));
EXPECT_EQ(k300Percent, GetSupportedResourceScaleFactor(3.0f));
EXPECT_EQ(k300Percent, GetSupportedResourceScaleFactor(3.1f));
EXPECT_EQ(k300Percent, GetSupportedResourceScaleFactor(999.0f));
}
} // namespace ui
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