Add hwui test for correct refcounting of SkColorTable in Bitmap

    tests/unit/BakedOpDispatcherTests.cpp \

    tests/unit/BakedOpRendererTests.cpp \

    tests/unit/BakedOpStateTests.cpp \

    tests/unit/BitmapTests.cpp \

    tests/unit/CanvasContextTests.cpp \

    tests/unit/CanvasStateTests.cpp \

    tests/unit/ClipAreaTests.cpp \

/*

 * Copyright (C) 2016 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 <gtest/gtest.h>

#include "hwui/Bitmap.h"

#include <SkBitmap.h>

#include <SkColorTable.h>

#include <SkImageInfo.h>

#include <tests/common/TestUtils.h>

using namespace android;

using namespace android::uirenderer;

TEST(Bitmap, colorTableRefCounting) {

    const SkPMColor c[] = { SkPackARGB32(0x80, 0x80, 0, 0) };

    SkColorTable* ctable = new SkColorTable(c, SK_ARRAY_COUNT(c));

    SkBitmap* bm = new SkBitmap();

    bm->allocPixels(SkImageInfo::Make(1, 1, kIndex_8_SkColorType, kPremul_SkAlphaType),

            nullptr, ctable);

    sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(bm, ctable);

    EXPECT_FALSE(ctable->unique());

    delete bm;

    bitmap.reset();

    EXPECT_TRUE(ctable->unique());

    ctable->unref();

}