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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/process_util.h" | 5 #include "base/process_util.h" |
6 #include "ipc/ipc_platform_file.h" | 6 #include "media/video/capture/screen/shared_buffer.h" |
7 #include "remoting/capturer/shared_buffer.h" | |
8 #include "testing/gtest/include/gtest/gtest.h" | 7 #include "testing/gtest/include/gtest/gtest.h" |
9 | 8 |
10 const uint32 kBufferSize = 4096; | 9 const uint32 kBufferSize = 4096; |
11 const int kPattern = 0x12345678; | 10 const int kPattern = 0x12345678; |
12 | 11 |
13 const int kIdZero = 0; | 12 const int kIdZero = 0; |
14 const int kIdOne = 1; | 13 const int kIdOne = 1; |
15 | 14 |
16 namespace remoting { | 15 namespace media { |
17 | 16 |
18 TEST(SharedBufferTest, Basic) { | 17 TEST(SharedBufferTest, Basic) { |
19 scoped_refptr<SharedBuffer> source(new SharedBuffer(kBufferSize)); | 18 scoped_refptr<SharedBuffer> source(new SharedBuffer(kBufferSize)); |
20 | 19 |
21 // Make sure that the buffer is allocated, the size is recorded correctly and | 20 // Make sure that the buffer is allocated, the size is recorded correctly and |
22 // its ID is reset. | 21 // its ID is reset. |
23 EXPECT_TRUE(source->ptr() != NULL); | 22 EXPECT_TRUE(source->ptr() != NULL); |
24 EXPECT_EQ(source->id(), kIdZero); | 23 EXPECT_EQ(source->id(), kIdZero); |
25 EXPECT_EQ(source->size(), kBufferSize); | 24 EXPECT_EQ(source->size(), kBufferSize); |
26 | 25 |
27 // See if setting of the ID works. | 26 // See if setting of the ID works. |
28 source->set_id(kIdOne); | 27 source->set_id(kIdOne); |
29 EXPECT_EQ(source->id(), kIdOne); | 28 EXPECT_EQ(source->id(), kIdOne); |
30 | 29 |
31 #if defined(OS_POSIX) | 30 base::SharedMemoryHandle copied_handle; |
32 base::PlatformFile source_handle = source->handle().fd; | 31 EXPECT_TRUE(source->ShareToProcess( |
33 #else // !defined(OS_POSIX) | 32 base::GetCurrentProcessHandle(), &copied_handle)); |
34 base::PlatformFile source_handle = source->handle(); | |
35 #endif // !defined(OS_POSIX) | |
36 | |
37 // Duplicate the source handle. | |
38 IPC::PlatformFileForTransit copied_handle = IPC::GetFileHandleForProcess( | |
39 source_handle, base::GetCurrentProcessHandle(), false); | |
40 | 33 |
41 scoped_refptr<SharedBuffer> dest( | 34 scoped_refptr<SharedBuffer> dest( |
42 new SharedBuffer(kIdZero, copied_handle, kBufferSize)); | 35 new SharedBuffer(kIdZero, copied_handle, kBufferSize)); |
43 | 36 |
44 // Make sure that the buffer is allocated, the size is recorded correctly and | 37 // Make sure that the buffer is allocated, the size is recorded correctly and |
45 // its ID is reset. | 38 // its ID is reset. |
46 EXPECT_TRUE(dest->ptr() != NULL); | 39 EXPECT_TRUE(dest->ptr() != NULL); |
47 EXPECT_EQ(dest->id(), kIdZero); | 40 EXPECT_EQ(dest->id(), kIdZero); |
48 EXPECT_EQ(dest->size(), kBufferSize); | 41 EXPECT_EQ(dest->size(), kBufferSize); |
49 | 42 |
50 // Verify that the memory contents are the same for the two buffers. | 43 // Verify that the memory contents are the same for the two buffers. |
51 int* source_ptr = reinterpret_cast<int*>(source->ptr()); | 44 int* source_ptr = reinterpret_cast<int*>(source->ptr()); |
52 *source_ptr = kPattern; | 45 *source_ptr = kPattern; |
53 int* dest_ptr = reinterpret_cast<int*>(dest->ptr()); | 46 int* dest_ptr = reinterpret_cast<int*>(dest->ptr()); |
54 EXPECT_EQ(*source_ptr, *dest_ptr); | 47 EXPECT_EQ(*source_ptr, *dest_ptr); |
55 | 48 |
56 // Check that the destination buffer is still mapped even when the source | 49 // Check that the destination buffer is still mapped even when the source |
57 // buffer is destroyed. | 50 // buffer is destroyed. |
58 source = NULL; | 51 source = NULL; |
59 EXPECT_EQ(0x12345678, *dest_ptr); | 52 EXPECT_EQ(0x12345678, *dest_ptr); |
60 } | 53 } |
61 | 54 |
62 } // namespace remoting | 55 } // namespace media |
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