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1 // Copyright 2017 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 "net/spdy/array_output_buffer.h" | |
6 | |
7 #include "testing/gtest/include/gtest/gtest.h" | |
8 | |
9 namespace net { | |
10 namespace test { | |
11 | |
12 // This test verifies that ArrayOutputBuffer is initialized properly. | |
13 TEST(ArrayOutputBufferTest, InitializedFromArray) { | |
14 char array[100]; | |
15 ArrayOutputBuffer buffer(array, sizeof(array)); | |
16 EXPECT_EQ(sizeof(array), buffer.BytesFree()); | |
17 EXPECT_EQ((uint64_t)0, buffer.Size()); | |
18 EXPECT_EQ(array, buffer.Begin()); | |
19 } | |
20 | |
21 // This test verifies that Reset() causes an ArrayOutputBuffer's capacity and | |
22 // size to be reset to the initial state. | |
23 TEST(ArrayOutputBufferTest, WriteAndReset) { | |
24 char array[100]; | |
25 ArrayOutputBuffer buffer(array, sizeof(array)); | |
26 | |
27 // Let's write some bytes. | |
28 char* dst; | |
29 int size; | |
30 buffer.Next(&dst, &size); | |
31 ASSERT_GT(size, 1); | |
32 ASSERT_NE(nullptr, dst); | |
33 const int64_t written = size / 2; | |
34 memset(dst, 'x', written); | |
35 buffer.AdvanceWritePtr(written); | |
36 | |
37 // The buffer should be partially used. | |
38 EXPECT_EQ((uint64_t)size - written, buffer.BytesFree()); | |
39 EXPECT_EQ((uint64_t)written, buffer.Size()); | |
40 | |
41 buffer.Reset(); | |
42 | |
43 // After a reset, the buffer should regain its full capacity. | |
44 EXPECT_EQ(sizeof(array), buffer.BytesFree()); | |
45 EXPECT_EQ((uint64_t)0, buffer.Size()); | |
46 } | |
47 | |
48 } // namespace test | |
49 } // namespace net | |
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