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Side by Side Diff: remoting/base/shared_buffer_unittest.cc

Issue 11470028: Move screen capturers to remoting/capturer. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years ago
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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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