Re-enable DrMemory test for ICOImageDecoderTests.parseAndDecodeByteByByte.

third_party/WebKit/Source/platform/image-decoders/ico/ICOImageDecoderTest.cpp

 // Copyright 2016 The Chromium 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 "platform/image-decoders/ico/ICOImageDecoder.h"
 
 #include "platform/image-decoders/ImageDecoderTestHelpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "wtf/PtrUtil.h"
 #include <memory>
@@ skipping 10 matching lines @@
 }
 
 TEST(ICOImageDecoderTests, parseAndDecodeByteByByte)
 {
     testByteByByteDecode(&createDecoder, "/LayoutTests/fast/images/resources/2entries.ico", 2u, cAnimationNone);
     testByteByByteDecode(&createDecoder, "/LayoutTests/fast/images/resources/greenbox-3frames.cur", 3u, cAnimationNone);
     testByteByByteDecode(&createDecoder, "/LayoutTests/fast/images/resources/icon-without-and-bitmap.ico", 1u, cAnimationNone);
     testByteByByteDecode(&createDecoder, "/LayoutTests/fast/images/resources/1bit.ico", 1u, cAnimationNone);
 }
 
+TEST(ICOImageDecoderTests, setDataTruncated)
+{
+    std::unique_ptr<ImageDecoder> decoder = createDecoder();
+
+    RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/wrong-frame-dimensions.ico");
+    ASSERT_TRUE(data.get());
+
+    ASSERT_GE(data->size(), 10u);
+    RefPtr<SharedBuffer> tempData = SharedBuffer::create(data->data(), data->size() - 10);
+    decoder->setData(tempData.get(), true);
+
+    EXPECT_EQ(3u, decoder->frameCount());
+    EXPECT_FALSE(decoder->failed());
+
+    // Issue 621488 - all data received, but truncated.
+    RefPtr<SharedBuffer> emptyData = SharedBuffer::create(data->data(), size_t { 0 });
+    decoder->setData(emptyData.get(), true);
+    EXPECT_EQ(3u, decoder->frameCount());
+    EXPECT_TRUE(decoder->failed());
+
+    decoder = createDecoder();
+    decoder->setData(tempData.get(), true);
+    decoder->frameBufferAtIndex(2);
+    EXPECT_FALSE(decoder->failed());
+    decoder->frameBufferAtIndex(1);
+    EXPECT_TRUE(decoder->failed());
+}
+
 } // namespace blink