TEST(Annotations, SpriteAtlasUpdates) {
    SpriteStore store;

    SpriteAtlas atlas(32, 32, 1, store);

    EXPECT_EQ(1.0f, atlas.getPixelRatio());
    EXPECT_EQ(32, atlas.getWidth());
    EXPECT_EQ(32, atlas.getHeight());
    EXPECT_EQ(32, atlas.getTextureWidth());
    EXPECT_EQ(32, atlas.getTextureHeight());

    store.setSprite("one", std::make_shared<SpriteImage>(16, 12, 1, std::string(16 * 12 * 4, '\x00')));
    auto one = atlas.getImage("one", false);
    EXPECT_EQ(0, one.pos.x);
    EXPECT_EQ(0, one.pos.y);
    EXPECT_EQ(20, one.pos.w);
    EXPECT_EQ(16, one.pos.h);
    EXPECT_EQ(16, one.pos.originalW);
    EXPECT_EQ(12, one.pos.originalH);
    EXPECT_EQ(16, one.texture->width);
    EXPECT_EQ(12, one.texture->height);
    EXPECT_EQ(16, one.texture->pixelWidth);
    EXPECT_EQ(12, one.texture->pixelHeight);
    EXPECT_EQ(1.0f, one.texture->pixelRatio);

    const size_t bytes = atlas.getTextureWidth() * atlas.getTextureHeight() * 4;
    const auto hash = test::crc64(reinterpret_cast<const char*>(atlas.getData()), bytes);
    EXPECT_EQ(0x0000000000000000u, hash) << std::hex << hash;

    // Update sprite
    auto newSprite = std::make_shared<SpriteImage>(16, 12, 1, std::string(16 * 12 * 4, '\xFF'));
    store.setSprite("one", newSprite);
    ASSERT_EQ(newSprite, store.getSprite("one"));

    // Atlas texture hasn't changed yet.
    const auto hash2 = test::crc64(reinterpret_cast<const char*>(atlas.getData()), bytes);
    EXPECT_EQ(0x0000000000000000u, hash2) << std::hex << hash2;

    atlas.updateDirty();

    // Now the atlas texture has changed.
    const auto hash3 = test::crc64(reinterpret_cast<const char*>(atlas.getData()), bytes);
    EXPECT_EQ(0x4E6D4900CD2D9149u, hash3) << std::hex << hash3;

    // util::write_file(
    //     "test/fixtures/annotations/atlas3.png",
    //     util::compress_png(atlas.getTextureWidth(), atlas.getTextureHeight(), atlas.getData()));
}