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#include <mbgl/test/util.hpp>
#include <mbgl/style/image.hpp>
#include <mbgl/util/image.hpp>
#include <mbgl/util/exception.hpp>
using namespace mbgl;
TEST(StyleImage, ZeroWidth) {
try {
style::Image(PremultipliedImage({ 0, 16 }), 2.0);
FAIL() << "Expected exception";
} catch (util::SpriteImageException& ex) {
EXPECT_STREQ("Sprite image dimensions may not be zero", ex.what());
}
}
TEST(StyleImage, ZeroHeight) {
try {
style::Image(PremultipliedImage({ 16, 0 }), 2.0);
FAIL() << "Expected exception";
} catch (util::SpriteImageException& ex) {
EXPECT_STREQ("Sprite image dimensions may not be zero", ex.what());
}
}
TEST(StyleImage, ZeroRatio) {
try {
style::Image(PremultipliedImage({ 16, 16 }), 0.0);
FAIL() << "Expected exception";
} catch (util::SpriteImageException& ex) {
EXPECT_STREQ("Sprite pixelRatio may not be <= 0", ex.what());
}
}
TEST(StyleImage, Retina) {
style::Image image(PremultipliedImage({ 32, 24 }), 2.0);
EXPECT_EQ(16, image.getWidth());
EXPECT_EQ(32u, image.image.size.width);
EXPECT_EQ(12, image.getHeight());
EXPECT_EQ(24u, image.image.size.height);
EXPECT_EQ(2, image.pixelRatio);
}
TEST(StyleImage, FractionalRatio) {
style::Image image(PremultipliedImage({ 20, 12 }), 1.5);
EXPECT_EQ(float(20.0 / 1.5), image.getWidth());
EXPECT_EQ(20u, image.image.size.width);
EXPECT_EQ(float(12.0 / 1.5), image.getHeight());
EXPECT_EQ(12u, image.image.size.height);
EXPECT_EQ(1.5, image.pixelRatio);
}
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