mojo/edk/test/multiprocess_test_helper_unittest.cc - Issue 623883002: Revert "Move mojo edk into mojo/edk"

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Issue 623883002: Revert "Move mojo edk into mojo/edk" (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 6 years, 2 months ago

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1 // Copyright 2013 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 "mojo/edk/test/multiprocess_test_helper.h"

6

7 #include "base/logging.h"

8 #include "build/build_config.h"

9 #include "mojo/edk/embedder/scoped_platform_handle.h"

10 #include "mojo/edk/test/test_utils.h"

11 #include "testing/gtest/include/gtest/gtest.h"

12

13 #if defined(OS_POSIX)

14 #include <fcntl.h>

15 #endif

16

17 namespace mojo {

18 namespace test {

19 namespace {

20

21 bool IsNonBlocking(const embedder::PlatformHandle& handle) {

22 #if defined(OS_WIN)

23 // Haven't figured out a way to query whether a HANDLE was created with

24 // FILE_FLAG_OVERLAPPED.

25 return true;

26 #else

27 return fcntl(handle.fd, F_GETFL) & O_NONBLOCK;

28 #endif

29 }

30

31 bool WriteByte(const embedder::PlatformHandle& handle, char c) {

32 size_t bytes_written = 0;

33 BlockingWrite(handle, &c, 1, &bytes_written);

34 return bytes_written == 1;

35 }

36

37 bool ReadByte(const embedder::PlatformHandle& handle, char* c) {

38 size_t bytes_read = 0;

39 BlockingRead(handle, c, 1, &bytes_read);

40 return bytes_read == 1;

41 }

42

43 typedef testing::Test MultiprocessTestHelperTest;

44

45 TEST_F(MultiprocessTestHelperTest, RunChild) {

46 MultiprocessTestHelper helper;

47 EXPECT_TRUE(helper.server_platform_handle.is_valid());

48

49 helper.StartChild("RunChild");

50 EXPECT_EQ(123, helper.WaitForChildShutdown());

51 }

52

53 MOJO_MULTIPROCESS_TEST_CHILD_MAIN(RunChild) {

54 CHECK(MultiprocessTestHelper::client_platform_handle.is_valid());

55 return 123;

56 }

57

58 TEST_F(MultiprocessTestHelperTest, TestChildMainNotFound) {

59 MultiprocessTestHelper helper;

60 helper.StartChild("NoSuchTestChildMain");

61 int result = helper.WaitForChildShutdown();

62 EXPECT_FALSE(result >= 0 && result <= 127);

63 }

64

65 TEST_F(MultiprocessTestHelperTest, PassedChannel) {

66 MultiprocessTestHelper helper;

67 EXPECT_TRUE(helper.server_platform_handle.is_valid());

68 helper.StartChild("PassedChannel");

69

70 // Take ownership of the handle.

71 embedder::ScopedPlatformHandle handle = helper.server_platform_handle.Pass();

72

73 // The handle should be non-blocking.

74 EXPECT_TRUE(IsNonBlocking(handle.get()));

75

76 // Write a byte.

77 const char c = 'X';

78 EXPECT_TRUE(WriteByte(handle.get(), c));

79

80 // It'll echo it back to us, incremented.

81 char d = 0;

82 EXPECT_TRUE(ReadByte(handle.get(), &d));

83 EXPECT_EQ(c + 1, d);

84

85 // And return it, incremented again.

86 EXPECT_EQ(c + 2, helper.WaitForChildShutdown());

87 }

88

89 MOJO_MULTIPROCESS_TEST_CHILD_MAIN(PassedChannel) {

90 CHECK(MultiprocessTestHelper::client_platform_handle.is_valid());

91

92 // Take ownership of the handle.

93 embedder::ScopedPlatformHandle handle =

94 MultiprocessTestHelper::client_platform_handle.Pass();

95

96 // The handle should be non-blocking.

97 EXPECT_TRUE(IsNonBlocking(handle.get()));

98

99 // Read a byte.

100 char c = 0;

101 EXPECT_TRUE(ReadByte(handle.get(), &c));

102

103 // Write it back, incremented.

104 c++;

105 EXPECT_TRUE(WriteByte(handle.get(), c));

106

107 // And return it, incremented again.

108 c++;

109 return static_cast<int>(c);

110 }

111

112 TEST_F(MultiprocessTestHelperTest, ChildTestPasses) {

113 MultiprocessTestHelper helper;

114 EXPECT_TRUE(helper.server_platform_handle.is_valid());

115 helper.StartChild("ChildTestPasses");

116 EXPECT_TRUE(helper.WaitForChildTestShutdown());

117 }

118

119 MOJO_MULTIPROCESS_TEST_CHILD_TEST(ChildTestPasses) {

120 ASSERT_TRUE(MultiprocessTestHelper::client_platform_handle.is_valid());

121 EXPECT_TRUE(IsNonBlocking(

122 MultiprocessTestHelper::client_platform_handle.get()));

123 }

124

125 TEST_F(MultiprocessTestHelperTest, ChildTestFailsAssert) {

126 MultiprocessTestHelper helper;

127 EXPECT_TRUE(helper.server_platform_handle.is_valid());

128 helper.StartChild("ChildTestFailsAssert");

129 EXPECT_FALSE(helper.WaitForChildTestShutdown());

130 }

131

132 MOJO_MULTIPROCESS_TEST_CHILD_TEST(ChildTestFailsAssert) {

133 ASSERT_FALSE(MultiprocessTestHelper::client_platform_handle.is_valid())

134 << "DISREGARD: Expected failure in child process";

135 ASSERT_FALSE(IsNonBlocking(

136 MultiprocessTestHelper::client_platform_handle.get())) << "Not reached";

137 CHECK(false) << "Not reached";

138 }

139

140 TEST_F(MultiprocessTestHelperTest, ChildTestFailsExpect) {

141 MultiprocessTestHelper helper;

142 EXPECT_TRUE(helper.server_platform_handle.is_valid());

143 helper.StartChild("ChildTestFailsExpect");

144 EXPECT_FALSE(helper.WaitForChildTestShutdown());

145 }

146

147 MOJO_MULTIPROCESS_TEST_CHILD_TEST(ChildTestFailsExpect) {

148 EXPECT_FALSE(MultiprocessTestHelper::client_platform_handle.is_valid())

149 << "DISREGARD: Expected failure #1 in child process";

150 EXPECT_FALSE(IsNonBlocking(

151 MultiprocessTestHelper::client_platform_handle.get()))

152 << "DISREGARD: Expected failure #2 in child process";

153 }

154

155 } // namespace

156 } // namespace test

157 } // namespace mojo

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