Sprite store API

test/annotations/sprite_store.cpp

@@ -0,0 +1,51 @@
+#include "../fixtures/util.hpp"
+
+#include <mbgl/annotation/sprite_store.hpp>
+
+using namespace mbgl;
+
+TEST(Annotations, SpriteStore) {
+    const auto sprite1 = std::make_shared<SpriteImage>(8, 8, 2, std::string(16 * 16 * 4, '\0'));
+    const auto sprite2 = std::make_shared<SpriteImage>(8, 8, 2, std::string(16 * 16 * 4, '\0'));
+    const auto sprite3 = std::make_shared<SpriteImage>(8, 8, 2, std::string(16 * 16 * 4, '\0'));
+
+    using Sprites = std::map<std::string, std::shared_ptr<const SpriteImage>>;
+    SpriteStore store(2);
+
+    // Adding single
+    store.setSprite("one", sprite1);
+    EXPECT_EQ(Sprites({
+        { "one", sprite1 },
+    }), store.getDirty());
+    EXPECT_EQ(Sprites(), store.getDirty());
+
+    // Adding multiple
+    store.setSprite("two", sprite2);
+    store.setSprite("three", sprite3);
+    EXPECT_EQ(Sprites({
+        { "two", sprite2 },
+        { "three", sprite3 },
+    }), store.getDirty());
+    EXPECT_EQ(Sprites(), store.getDirty());
+
+    // Removing
+    store.removeSprite("one");
+    store.removeSprite("two");
+    EXPECT_EQ(Sprites({
+        { "one", nullptr },
+        { "two", nullptr },
+    }), store.getDirty());
+    EXPECT_EQ(Sprites(), store.getDirty());
+
+    // Accessing
+    EXPECT_EQ(sprite3, store.getSprite("three"));
+    EXPECT_EQ(nullptr, store.getSprite("two"));
+    EXPECT_EQ(nullptr, store.getSprite("four"));
+
+    // Overwriting
+    store.setSprite("three", sprite1);
+    EXPECT_EQ(Sprites({
+        { "three", sprite1 },
+    }), store.getDirty());
+    EXPECT_EQ(Sprites(), store.getDirty());
+}