Add SkiaBehaviorTests
Change-Id: Ie2983f7a0c9e8bdd8c8de507d70ecf3aefdd9425
diff --git a/libs/hwui/tests/unit/SkiaBehaviorTests.cpp b/libs/hwui/tests/unit/SkiaBehaviorTests.cpp
new file mode 100644
index 0000000..586625b
--- /dev/null
+++ b/libs/hwui/tests/unit/SkiaBehaviorTests.cpp
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "tests/common/TestUtils.h"
+
+#include <gtest/gtest.h>
+#include <SkShader.h>
+
+using namespace android;
+using namespace android::uirenderer;
+
+/**
+ * 1x1 bitmaps must not be optimized into solid color shaders, since HWUI can't
+ * compose/render color shaders
+ */
+TEST(SkiaBehavior, CreateBitmapShader1x1) {
+ SkBitmap origBitmap = TestUtils::createSkBitmap(1, 1);
+ std::unique_ptr<SkShader> s(SkShader::CreateBitmapShader(
+ origBitmap,
+ SkShader::kClamp_TileMode,
+ SkShader::kRepeat_TileMode));
+
+ SkBitmap bitmap;
+ SkShader::TileMode xy[2];
+ ASSERT_TRUE(s->isABitmap(&bitmap, nullptr, xy))
+ << "1x1 bitmap shader must query as bitmap shader";
+ EXPECT_EQ(SkShader::kClamp_TileMode, xy[0]);
+ EXPECT_EQ(SkShader::kRepeat_TileMode, xy[1]);
+ EXPECT_EQ(origBitmap.pixelRef(), bitmap.pixelRef());
+}