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Side by Side Diff: shell/data_pipe_peek_unittest.cc

Issue 775343004: Move //mojo/shell to //shell (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 6 years ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 "mojo/shell/data_pipe_peek.h" 5 #include "shell/data_pipe_peek.h"
6 6
7 #include "mojo/shell/context.h" 7 #include "shell/context.h"
8 #include "testing/gtest/include/gtest/gtest.h" 8 #include "testing/gtest/include/gtest/gtest.h"
9 9
10 namespace mojo { 10 namespace mojo {
11 namespace shell { 11 namespace shell {
12 namespace { 12 namespace {
13 13
14 TEST(DataPipePeek, PeekNBytes) { 14 TEST(DataPipePeek, PeekNBytes) {
15 Context::EnsureEmbedderIsInitialized(); 15 Context::EnsureEmbedderIsInitialized();
16 16
17 DataPipe data_pipe; 17 DataPipe data_pipe;
18 DataPipeConsumerHandle consumer(data_pipe.consumer_handle.get()); 18 DataPipeConsumerHandle consumer(data_pipe.consumer_handle.get());
19 DataPipeProducerHandle producer(data_pipe.producer_handle.get()); 19 DataPipeProducerHandle producer(data_pipe.producer_handle.get());
20 20
21 // Inialize the pipe with 4 bytes. 21 // Inialize the pipe with 4 bytes.
22 22
23 const char* s4 = "1234"; 23 const char* s4 = "1234";
24 uint32_t num_bytes4 = 4; 24 uint32_t num_bytes4 = 4;
25 EXPECT_EQ(MOJO_RESULT_OK, 25 EXPECT_EQ(MOJO_RESULT_OK,
26 WriteDataRaw(producer, s4, &num_bytes4, MOJO_WRITE_DATA_FLAG_NONE)); 26 WriteDataRaw(producer, s4, &num_bytes4, MOJO_WRITE_DATA_FLAG_NONE));
27 EXPECT_EQ(4u, num_bytes4); 27 EXPECT_EQ(4u, num_bytes4);
28 28
29 // We're not consuming data, so peeking for 4 bytes should always succeed. 29 // We're not consuming data, so peeking for 4 bytes should always succeed.
30 30
31 std::string bytes; 31 std::string bytes;
32 MojoDeadline timeout = 0; 32 MojoDeadline timeout = 0;
33 EXPECT_TRUE(BlockingPeekNBytes(consumer, &bytes, num_bytes4, timeout)); 33 EXPECT_TRUE(BlockingPeekNBytes(consumer, &bytes, num_bytes4, timeout));
34 EXPECT_EQ(bytes, std::string(s4)); 34 EXPECT_EQ(bytes, std::string(s4));
35 35
36 timeout = 1000; // 1ms 36 timeout = 1000; // 1ms
37 EXPECT_TRUE(BlockingPeekNBytes(consumer, &bytes, num_bytes4, timeout)); 37 EXPECT_TRUE(BlockingPeekNBytes(consumer, &bytes, num_bytes4, timeout));
38 EXPECT_EQ(bytes, std::string(s4)); 38 EXPECT_EQ(bytes, std::string(s4));
39 39
40 timeout = MOJO_DEADLINE_INDEFINITE; 40 timeout = MOJO_DEADLINE_INDEFINITE;
41 EXPECT_TRUE(BlockingPeekNBytes(consumer, &bytes, num_bytes4, timeout)); 41 EXPECT_TRUE(BlockingPeekNBytes(consumer, &bytes, num_bytes4, timeout));
42 EXPECT_EQ(bytes, std::string(s4)); 42 EXPECT_EQ(bytes, std::string(s4));
43 43
44 // Peeking for 5 bytes should fail, until another byte is written. 44 // Peeking for 5 bytes should fail, until another byte is written.
45 45
46 uint32_t bytes1 = 1; 46 uint32_t bytes1 = 1;
47 uint32_t num_bytes5 = 5; 47 uint32_t num_bytes5 = 5;
48 const char* s1 = "5"; 48 const char* s1 = "5";
49 const char* s5 = "12345"; 49 const char* s5 = "12345";
50 50
51 timeout = 0; 51 timeout = 0;
52 EXPECT_FALSE(BlockingPeekNBytes(consumer, &bytes, num_bytes5, timeout)); 52 EXPECT_FALSE(BlockingPeekNBytes(consumer, &bytes, num_bytes5, timeout));
53 53
54 timeout = 500; // Should cause peek to timeout after about 0.5ms. 54 timeout = 500; // Should cause peek to timeout after about 0.5ms.
55 EXPECT_FALSE(BlockingPeekNBytes(consumer, &bytes, num_bytes5, timeout)); 55 EXPECT_FALSE(BlockingPeekNBytes(consumer, &bytes, num_bytes5, timeout));
56 56
57 EXPECT_EQ(MOJO_RESULT_OK, 57 EXPECT_EQ(MOJO_RESULT_OK,
58 WriteDataRaw(producer, s1, &bytes1, MOJO_WRITE_DATA_FLAG_NONE)); 58 WriteDataRaw(producer, s1, &bytes1, MOJO_WRITE_DATA_FLAG_NONE));
59 EXPECT_EQ(1u, bytes1); 59 EXPECT_EQ(1u, bytes1);
60 60
61 EXPECT_TRUE(BlockingPeekNBytes(consumer, &bytes, num_bytes5, timeout)); 61 EXPECT_TRUE(BlockingPeekNBytes(consumer, &bytes, num_bytes5, timeout));
62 EXPECT_EQ(bytes, std::string(s5)); 62 EXPECT_EQ(bytes, std::string(s5));
63 63
64 // If the consumer side of the pipe is closed, peek should fail. 64 // If the consumer side of the pipe is closed, peek should fail.
65 65
66 data_pipe.consumer_handle.reset(); 66 data_pipe.consumer_handle.reset();
67 timeout = 0; 67 timeout = 0;
68 EXPECT_FALSE(BlockingPeekNBytes(consumer, &bytes, num_bytes5, timeout)); 68 EXPECT_FALSE(BlockingPeekNBytes(consumer, &bytes, num_bytes5, timeout));
69 } 69 }
70 70
71 TEST(DataPipePeek, PeekLine) { 71 TEST(DataPipePeek, PeekLine) {
72 Context::EnsureEmbedderIsInitialized(); 72 Context::EnsureEmbedderIsInitialized();
73 73
74 DataPipe data_pipe; 74 DataPipe data_pipe;
75 DataPipeConsumerHandle consumer(data_pipe.consumer_handle.get()); 75 DataPipeConsumerHandle consumer(data_pipe.consumer_handle.get());
76 DataPipeProducerHandle producer(data_pipe.producer_handle.get()); 76 DataPipeProducerHandle producer(data_pipe.producer_handle.get());
77 77
78 // Inialize the pipe with 4 bytes and no newline. 78 // Inialize the pipe with 4 bytes and no newline.
79 79
80 const char* s4 = "1234"; 80 const char* s4 = "1234";
81 uint32_t num_bytes4 = 4; 81 uint32_t num_bytes4 = 4;
82 EXPECT_EQ(MOJO_RESULT_OK, 82 EXPECT_EQ(MOJO_RESULT_OK,
83 WriteDataRaw(producer, s4, &num_bytes4, MOJO_WRITE_DATA_FLAG_NONE)); 83 WriteDataRaw(producer, s4, &num_bytes4, MOJO_WRITE_DATA_FLAG_NONE));
84 EXPECT_EQ(4u, num_bytes4); 84 EXPECT_EQ(4u, num_bytes4);
85 85
86 // Peeking for a line should fail. 86 // Peeking for a line should fail.
87 87
88 std::string str; 88 std::string str;
89 size_t max_str_length = 5; 89 size_t max_str_length = 5;
90 MojoDeadline timeout = 0; 90 MojoDeadline timeout = 0;
91 EXPECT_FALSE(BlockingPeekLine(consumer, &str, max_str_length, timeout)); 91 EXPECT_FALSE(BlockingPeekLine(consumer, &str, max_str_length, timeout));
92 92
93 // Writing a newline should cause PeekLine to succeed. 93 // Writing a newline should cause PeekLine to succeed.
94 94
95 uint32_t bytes1 = 1; 95 uint32_t bytes1 = 1;
96 const char* s1 = "\n"; 96 const char* s1 = "\n";
97 EXPECT_EQ(MOJO_RESULT_OK, 97 EXPECT_EQ(MOJO_RESULT_OK,
98 WriteDataRaw(producer, s1, &bytes1, MOJO_WRITE_DATA_FLAG_NONE)); 98 WriteDataRaw(producer, s1, &bytes1, MOJO_WRITE_DATA_FLAG_NONE));
99 EXPECT_EQ(1u, bytes1); 99 EXPECT_EQ(1u, bytes1);
100 100
101 EXPECT_TRUE(BlockingPeekLine(consumer, &str, max_str_length, timeout)); 101 EXPECT_TRUE(BlockingPeekLine(consumer, &str, max_str_length, timeout));
102 EXPECT_EQ(str, std::string(s4) + "\n"); 102 EXPECT_EQ(str, std::string(s4) + "\n");
103 103
104 // If the max_line_length parameter is less than the length of the 104 // If the max_line_length parameter is less than the length of the
105 // newline terminated string, then peek should fail. 105 // newline terminated string, then peek should fail.
106 106
107 max_str_length = 3; 107 max_str_length = 3;
108 EXPECT_FALSE(BlockingPeekLine(consumer, &str, max_str_length, timeout)); 108 EXPECT_FALSE(BlockingPeekLine(consumer, &str, max_str_length, timeout));
109 } 109 }
110 110
111 } // namespace 111 } // namespace
112 } // namespace shell 112 } // namespace shell
113 } // namespace mojo 113 } // namespace mojo
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