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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 "remoting/base/shared_buffer.h" | |
6 #include "testing/gtest/include/gtest/gtest.h" | |
7 | |
8 const uint32 kBufferSize = 4096; | |
9 const int kPattern = 0x12345678; | |
10 | |
11 const int kIdZero = 0; | |
12 const int kIdOne = 1; | |
13 | |
14 namespace remoting { | |
15 | |
16 TEST(SharedBufferTest, Basic) { | |
17 scoped_refptr<SharedBuffer> source(new SharedBuffer(kBufferSize)); | |
18 | |
19 // Make sure that the buffer is allocated, the size is recorded correctly and | |
20 // its ID is reset. | |
21 EXPECT_TRUE(source->ptr() != NULL); | |
22 EXPECT_EQ(source->id(), kIdZero); | |
23 EXPECT_EQ(source->size(), kBufferSize); | |
24 | |
25 // See if setting of the ID works. | |
26 source->set_id(kIdOne); | |
27 EXPECT_EQ(source->id(), kIdOne); | |
28 | |
29 scoped_refptr<SharedBuffer> dest( | |
30 new SharedBuffer(kIdZero, source->handle(), kBufferSize)); | |
31 | |
32 // Make sure that the buffer is allocated, the size is recorded correctly and | |
33 // its ID is reset. | |
34 EXPECT_TRUE(dest->ptr() != NULL); | |
35 EXPECT_EQ(dest->id(), kIdZero); | |
36 EXPECT_EQ(dest->size(), kBufferSize); | |
37 | |
38 // Verify that the memory contents are the same for the two buffers. | |
39 int* source_ptr = reinterpret_cast<int*>(source->ptr()); | |
40 *source_ptr = kPattern; | |
41 int* dest_ptr = reinterpret_cast<int*>(dest->ptr()); | |
42 EXPECT_EQ(*source_ptr, *dest_ptr); | |
43 | |
44 // Check that the destination buffer is still mapped even when the source | |
45 // buffer is destroyed. | |
46 source = NULL; | |
47 EXPECT_EQ(0x12345678, *dest_ptr); | |
48 } | |
49 | |
50 } // namespace remoting | |
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