1 files changed, 45 insertions, 0 deletions
diff --git a/test/sprite/sprite_image_collection.test.cpp b/test/sprite/sprite_image_collection.test.cpp
new file mode 100644
index 0000000000..51ea20fdf3
--- /dev/null
+++ b/test/sprite/sprite_image_collection.test.cpp
@@ -0,0 +1,45 @@
+#include <mbgl/test/util.hpp>
+#include <mbgl/test/fixture_log_observer.hpp>
+
+#include <mbgl/sprite/sprite_image_collection.hpp>
+#include <mbgl/util/image.hpp>
+#include <mbgl/util/string.hpp>
+
+#include <utility>
+
+using namespace mbgl;
+
+TEST(SpriteImageCollection, OtherPixelRatio) {
+    FixtureLog log;
+    Images images;
+
+    // Adding mismatched sprite image
+    addSpriteImage(images, "one", std::make_unique<style::Image>(PremultipliedImage({ 8, 8 }), 2));
+}
+
+TEST(SpriteImageCollection, Replace) {
+    FixtureLog log;
+    Images images;
+
+    addSpriteImage(images, "sprite", std::make_unique<style::Image>(PremultipliedImage({ 16, 16 }), 2));
+    auto image = images.find("sprite")->second.get();
+    addSpriteImage(images, "sprite", std::make_unique<style::Image>(PremultipliedImage({ 16, 16 }), 2));
+    EXPECT_NE(image, images.find("sprite")->second.get());
+}
+
+TEST(SpriteImageCollection, ReplaceWithDifferentDimensions) {
+    FixtureLog log;
+    Images images;
+
+    addSpriteImage(images, "sprite", std::make_unique<style::Image>(PremultipliedImage({ 16, 16 }), 2));
+    addSpriteImage(images, "sprite", std::make_unique<style::Image>(PremultipliedImage({ 18, 18 }), 2));
+
+    EXPECT_EQ(1u, log.count({
+                                    EventSeverity::Warning,
+                                    Event::Sprite,
+                                    int64_t(-1),
+                                    "Can't change sprite dimensions for 'sprite'",
+                            }));
+}
+
+