5dd98df50b
A style has a collection of images, just as it has collections of sources and layers. * Name things appropriately * Use std::unique_ptr
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
#include <mbgl/test/util.hpp>
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#include <mbgl/style/image.hpp>
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#include <mbgl/util/image.hpp>
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#include <mbgl/util/exception.hpp>
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using namespace mbgl;
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TEST(StyleImage, ZeroWidth) {
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try {
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style::Image(PremultipliedImage({ 0, 16 }), 2.0);
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FAIL() << "Expected exception";
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} catch (util::SpriteImageException& ex) {
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EXPECT_STREQ("Sprite image dimensions may not be zero", ex.what());
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}
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}
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TEST(StyleImage, ZeroHeight) {
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try {
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style::Image(PremultipliedImage({ 16, 0 }), 2.0);
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FAIL() << "Expected exception";
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} catch (util::SpriteImageException& ex) {
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EXPECT_STREQ("Sprite image dimensions may not be zero", ex.what());
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}
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}
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TEST(StyleImage, ZeroRatio) {
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try {
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style::Image(PremultipliedImage({ 16, 16 }), 0.0);
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FAIL() << "Expected exception";
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} catch (util::SpriteImageException& ex) {
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EXPECT_STREQ("Sprite pixelRatio may not be <= 0", ex.what());
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}
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}
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TEST(StyleImage, Retina) {
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style::Image image(PremultipliedImage({ 32, 24 }), 2.0);
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EXPECT_EQ(16, image.getWidth());
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EXPECT_EQ(32u, image.image.size.width);
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EXPECT_EQ(12, image.getHeight());
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EXPECT_EQ(24u, image.image.size.height);
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EXPECT_EQ(2, image.pixelRatio);
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}
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TEST(StyleImage, FractionalRatio) {
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style::Image image(PremultipliedImage({ 20, 12 }), 1.5);
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EXPECT_EQ(float(20.0 / 1.5), image.getWidth());
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EXPECT_EQ(20u, image.image.size.width);
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EXPECT_EQ(float(12.0 / 1.5), image.getHeight());
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EXPECT_EQ(12u, image.image.size.height);
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EXPECT_EQ(1.5, image.pixelRatio);
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}
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