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Diffstat (limited to 'test/sprite/sprite_image.test.cpp')
-rw-r--r-- | test/sprite/sprite_image.test.cpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/test/sprite/sprite_image.test.cpp b/test/sprite/sprite_image.test.cpp new file mode 100644 index 0000000000..f8982826a3 --- /dev/null +++ b/test/sprite/sprite_image.test.cpp @@ -0,0 +1,57 @@ +#include <mbgl/test/util.hpp> + +#include <mbgl/sprite/sprite_image.hpp> +#include <mbgl/util/image.hpp> +#include <mbgl/util/exception.hpp> + +using namespace mbgl; + +TEST(Sprite, SpriteImageZeroWidth) { + PremultipliedImage image(0, 16); + try { + SpriteImage(std::move(image), 2.0); + FAIL() << "Expected exception"; + } catch (util::SpriteImageException& ex) { + EXPECT_STREQ("Sprite image dimensions may not be zero", ex.what()); + } +} + +TEST(Sprite, SpriteImageZeroHeight) { + PremultipliedImage image(16, 0); + try { + SpriteImage(std::move(image), 2.0); + FAIL() << "Expected exception"; + } catch (util::SpriteImageException& ex) { + EXPECT_STREQ("Sprite image dimensions may not be zero", ex.what()); + } +} + +TEST(Sprite, SpriteImageZeroRatio) { + PremultipliedImage image(16, 16); + try { + SpriteImage(std::move(image), 0.0); + FAIL() << "Expected exception"; + } catch (util::SpriteImageException& ex) { + EXPECT_STREQ("Sprite pixelRatio may not be <= 0", ex.what()); + } +} + +TEST(Sprite, SpriteImage) { + PremultipliedImage image(32, 24); + SpriteImage sprite(std::move(image), 2.0); + EXPECT_EQ(16, sprite.getWidth()); + EXPECT_EQ(32u, sprite.image.width); + EXPECT_EQ(12, sprite.getHeight()); + EXPECT_EQ(24u, sprite.image.height); + EXPECT_EQ(2, sprite.pixelRatio); +} + +TEST(Sprite, SpriteImageFractionalRatio) { + PremultipliedImage image(20, 12); + SpriteImage sprite(std::move(image), 1.5); + EXPECT_EQ(float(20.0 / 1.5), sprite.getWidth()); + EXPECT_EQ(20u, sprite.image.width); + EXPECT_EQ(float(12.0 / 1.5), sprite.getHeight()); + EXPECT_EQ(12u, sprite.image.height); + EXPECT_EQ(1.5, sprite.pixelRatio); +} |