third_party/WebKit/Source/web/tests/WebImageTest.cpp

   1 /*
   2  * Copyright (C) 2012 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
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   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "config.h"
  32 #include "public/platform/WebImage.h"
  33
  34 #include "platform/SharedBuffer.h"
  35 #include "public/platform/Platform.h"
  36 #include "public/platform/WebData.h"
  37 #include "public/platform/WebSize.h"
  38 #include "public/platform/WebUnitTestSupport.h"
  39 #include <gtest/gtest.h>
  40
  41 namespace blink {
  42
  43 static PassRefPtr<SharedBuffer> readFile(const char* fileName)
  44 {
  45     String filePath = Platform::current()->unitTestSupport()->webKitRootDir();
  46     filePath.append("/Source/web/tests/data/");
  47     filePath.append(fileName);
  48
  49     return Platform::current()->unitTestSupport()->readFromFile(filePath);
  50 }
  51
  52 TEST(WebImageTest, PNGImage)
  53 {
  54     RefPtr<SharedBuffer> data = readFile("white-1x1.png");
  55     ASSERT_TRUE(data.get());
  56
  57     WebImage image = WebImage::fromData(WebData(data), WebSize());
  58     EXPECT_TRUE(image.size() == WebSize(1, 1));
  59     SkAutoLockPixels autoLock(image.getSkBitmap());
  60     EXPECT_EQ(SkColorSetARGB(255, 255, 255, 255), image.getSkBitmap().getColor(0, 0));
  61 }
  62
  63 TEST(WebImageTest, ICOImage)
  64 {
  65     RefPtr<SharedBuffer> data = readFile("black-and-white.ico");
  66     ASSERT_TRUE(data.get());
  67
  68     WebVector<WebImage> images = WebImage::framesFromData(WebData(data));
  69     ASSERT_EQ(2u, images.size());
  70     EXPECT_TRUE(images[0].size() == WebSize(2, 2));
  71     EXPECT_TRUE(images[1].size() == WebSize(1, 1));
  72     SkAutoLockPixels autoLock1(images[0].getSkBitmap());
  73     EXPECT_EQ(SkColorSetARGB(255, 255, 255, 255), images[0].getSkBitmap().getColor(0, 0));
  74     SkAutoLockPixels autoLock2(images[1].getSkBitmap());
  75     EXPECT_EQ(SkColorSetARGB(255, 0, 0, 0), images[1].getSkBitmap().getColor(0, 0));
  76 }
  77
  78 TEST(WebImageTest, ICOValidHeaderMissingBitmap)
  79 {
  80     RefPtr<SharedBuffer> data = readFile("valid_header_missing_bitmap.ico");
  81     ASSERT_TRUE(data.get());
  82
  83     WebVector<WebImage> images = WebImage::framesFromData(WebData(data));
  84     ASSERT_TRUE(images.isEmpty());
  85 }
  86
  87 TEST(WebImageTest, BadImage)
  88 {
  89     const char badImage[] = "hello world";
  90     WebVector<WebImage> images = WebImage::framesFromData(WebData(badImage));
  91     ASSERT_EQ(0u, images.size());
  92
  93     WebImage image = WebImage::fromData(WebData(badImage), WebSize());
  94     EXPECT_TRUE(image.getSkBitmap().empty());
  95     EXPECT_TRUE(image.getSkBitmap().isNull());
  96 }
  97
  98 } // namespace blink