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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "webkit/blob/deletable_file_reference.h" |
| 6 |
| 7 #include "base/file_util.h" |
| 8 #include "base/message_loop.h" |
| 9 #include "base/message_loop_proxy.h" |
| 10 #include "testing/gtest/include/gtest/gtest.h" |
| 11 |
| 12 namespace webkit_blob { |
| 13 |
| 14 TEST(DeletableFileReferenceTest, TestReferences) { |
| 15 scoped_refptr<base::MessageLoopProxy> loop_proxy = |
| 16 base::MessageLoopProxy::CreateForCurrentThread(); |
| 17 |
| 18 // Create a file. |
| 19 FilePath file; |
| 20 file_util::CreateTemporaryFile(&file); |
| 21 EXPECT_TRUE(file_util::PathExists(file)); |
| 22 |
| 23 // Create a first reference to that file. |
| 24 scoped_refptr<DeletableFileReference> reference1; |
| 25 reference1 = DeletableFileReference::Get(file); |
| 26 EXPECT_FALSE(reference1.get()); |
| 27 reference1 = DeletableFileReference::GetOrCreate(file, loop_proxy); |
| 28 EXPECT_TRUE(reference1.get()); |
| 29 EXPECT_TRUE(file == reference1->path()); |
| 30 |
| 31 // Get a second reference to that file. |
| 32 scoped_refptr<DeletableFileReference> reference2; |
| 33 reference2 = DeletableFileReference::Get(file); |
| 34 EXPECT_EQ(reference1.get(), reference2.get()); |
| 35 reference2 = DeletableFileReference::GetOrCreate(file, loop_proxy); |
| 36 EXPECT_EQ(reference1.get(), reference2.get()); |
| 37 |
| 38 // Drop the first reference, the file and reference should still be there. |
| 39 reference1 = NULL; |
| 40 EXPECT_TRUE(DeletableFileReference::Get(file).get()); |
| 41 MessageLoop::current()->RunAllPending(); |
| 42 EXPECT_TRUE(file_util::PathExists(file)); |
| 43 |
| 44 // Drop the second reference, the file and reference should get deleted. |
| 45 reference2 = NULL; |
| 46 EXPECT_FALSE(DeletableFileReference::Get(file).get()); |
| 47 MessageLoop::current()->RunAllPending(); |
| 48 EXPECT_FALSE(file_util::PathExists(file)); |
| 49 } |
| 50 |
| 51 } // namespace webkit_blob |
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