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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "base/process_util.h" | |
6 #include "ipc/ipc_platform_file.h" | |
7 #include "remoting/capturer/shared_buffer.h" | |
8 #include "testing/gtest/include/gtest/gtest.h" | |
9 | |
10 const uint32 kBufferSize = 4096; | |
11 const int kPattern = 0x12345678; | |
12 | |
13 const int kIdZero = 0; | |
14 const int kIdOne = 1; | |
15 | |
16 namespace remoting { | |
17 | |
18 TEST(SharedBufferTest, Basic) { | |
19 scoped_refptr<SharedBuffer> source(new SharedBuffer(kBufferSize)); | |
20 | |
21 // Make sure that the buffer is allocated, the size is recorded correctly and | |
22 // its ID is reset. | |
23 EXPECT_TRUE(source->ptr() != NULL); | |
24 EXPECT_EQ(source->id(), kIdZero); | |
25 EXPECT_EQ(source->size(), kBufferSize); | |
26 | |
27 // See if setting of the ID works. | |
28 source->set_id(kIdOne); | |
29 EXPECT_EQ(source->id(), kIdOne); | |
30 | |
31 #if defined(OS_POSIX) | |
32 base::PlatformFile source_handle = source->handle().fd; | |
33 #else // !defined(OS_POSIX) | |
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 | |
41 scoped_refptr<SharedBuffer> dest( | |
42 new SharedBuffer(kIdZero, copied_handle, kBufferSize)); | |
43 | |
44 // Make sure that the buffer is allocated, the size is recorded correctly and | |
45 // its ID is reset. | |
46 EXPECT_TRUE(dest->ptr() != NULL); | |
47 EXPECT_EQ(dest->id(), kIdZero); | |
48 EXPECT_EQ(dest->size(), kBufferSize); | |
49 | |
50 // Verify that the memory contents are the same for the two buffers. | |
51 int* source_ptr = reinterpret_cast<int*>(source->ptr()); | |
52 *source_ptr = kPattern; | |
53 int* dest_ptr = reinterpret_cast<int*>(dest->ptr()); | |
54 EXPECT_EQ(*source_ptr, *dest_ptr); | |
55 | |
56 // Check that the destination buffer is still mapped even when the source | |
57 // buffer is destroyed. | |
58 source = NULL; | |
59 EXPECT_EQ(0x12345678, *dest_ptr); | |
60 } | |
61 | |
62 } // namespace remoting | |
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