1 files changed, 41 insertions, 0 deletions
diff --git a/media/libjxl/src/lib/jxl/blending_test.cc b/media/libjxl/src/lib/jxl/blending_test.cc
new file mode 100644
index 0000000000..cede9ce664
--- /dev/null
+++ b/media/libjxl/src/lib/jxl/blending_test.cc
@@ -0,0 +1,41 @@
+// Copyright (c) the JPEG XL Project Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+#include "lib/extras/codec.h"
+#include "lib/jxl/dec_file.h"
+#include "lib/jxl/image_test_utils.h"
+#include "lib/jxl/testdata.h"
+
+namespace jxl {
+namespace {
+
+using ::testing::SizeIs;
+
+TEST(BlendingTest, Crops) {
+  ThreadPool* pool = nullptr;
+
+  const PaddedBytes compressed =
+      ReadTestData("jxl/blending/cropped_traffic_light.jxl");
+  DecompressParams dparams;
+  CodecInOut decoded;
+  ASSERT_TRUE(DecodeFile(dparams, compressed, &decoded, pool));
+  ASSERT_THAT(decoded.frames, SizeIs(4));
+
+  int i = 0;
+  for (const ImageBundle& ib : decoded.frames) {
+    std::ostringstream filename;
+    filename << "jxl/blending/cropped_traffic_light_frame-" << i << ".png";
+    const PaddedBytes compressed_frame = ReadTestData(filename.str());
+    CodecInOut frame;
+    ASSERT_TRUE(SetFromBytes(Span<const uint8_t>(compressed_frame), &frame));
+    EXPECT_TRUE(SamePixels(ib.color(), *frame.Main().color()));
+    ++i;
+  }
+}
+
+}  // namespace
+}  // namespace jxl