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1 // Copyright 2016 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/public/platform/native/platform_handle_private.h" | |
6 | |
7 #include <stdint.h> | |
8 #include <sys/types.h> | |
9 #include <unistd.h> | |
10 | |
11 #include "mojo/public/cpp/application/application_test_base.h" | |
12 #include "mojo/public/cpp/environment/logging.h" | |
13 #include "mojo/public/cpp/system/macros.h" | |
14 | |
15 namespace mojo { | |
16 namespace { | |
17 | |
18 class PlatformHandlePrivateApplicationTest : public test::ApplicationTestBase { | |
19 public: | |
20 PlatformHandlePrivateApplicationTest() : ApplicationTestBase() {} | |
21 ~PlatformHandlePrivateApplicationTest() override {} | |
22 | |
23 private: | |
24 MOJO_DISALLOW_COPY_AND_ASSIGN(PlatformHandlePrivateApplicationTest); | |
25 }; | |
26 | |
27 TEST_F(PlatformHandlePrivateApplicationTest, WrapAndUnwrapFileDescriptor) { | |
28 MojoPlatformHandle original_handle = -1; | |
29 MojoPlatformHandle unwrapped_handle = -1; | |
30 MojoHandle wrapper = MOJO_HANDLE_INVALID; | |
31 | |
32 int pipe_fds[2] = {-1, -1}; | |
33 | |
34 uint64_t write_buffer = 0xDEADBEEF; | |
35 uint64_t read_buffer = 0; | |
36 | |
37 ASSERT_EQ(0, pipe(pipe_fds)); | |
38 | |
39 // Pass second FD through wrapper. | |
40 original_handle = pipe_fds[1]; | |
41 | |
42 EXPECT_EQ(MOJO_RESULT_OK, | |
43 MojoCreatePlatformHandleWrapper(original_handle, &wrapper)); | |
44 EXPECT_EQ(MOJO_RESULT_OK, | |
45 MojoExtractPlatformHandle(wrapper, &unwrapped_handle)); | |
46 | |
47 // Write to wrapped/unwrapped FD. | |
48 ssize_t bytes_written = | |
49 write(unwrapped_handle, &write_buffer, sizeof(write_buffer)); | |
50 ASSERT_EQ(sizeof(write_buffer), static_cast<size_t>(bytes_written)); | |
51 | |
52 // Read from other end of pipe. | |
53 ssize_t bytes_read = read(pipe_fds[0], &read_buffer, sizeof(read_buffer)); | |
54 ASSERT_EQ(sizeof(read_buffer), static_cast<size_t>(bytes_read)); | |
55 | |
56 EXPECT_EQ(bytes_read, bytes_written); | |
57 EXPECT_EQ(write_buffer, read_buffer); | |
58 | |
59 EXPECT_EQ(0, close(pipe_fds[0])); | |
60 EXPECT_EQ(0, close(unwrapped_handle)); | |
61 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(wrapper)); | |
62 } | |
63 | |
64 } // namespace | |
65 } // namespace mojo | |
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