1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
#pragma allow_unsafe_libc_calls
#endif
#include "mojo/core/platform_handle_dispatcher.h"
#include <stdio.h>
#include <utility>
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_file.h"
#include "base/files/scoped_temp_dir.h"
#include "base/memory/ref_counted.h"
#include "mojo/core/test/test_utils.h"
#include "mojo/public/cpp/system/platform_handle.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace mojo {
namespace core {
namespace {
TEST(PlatformHandleDispatcherTest, Basic) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
static const char kHelloWorld[] = "hello world";
base::FilePath unused;
base::ScopedFILE fp =
CreateAndOpenTemporaryStreamInDir(temp_dir.GetPath(), &unused);
ASSERT_TRUE(fp);
EXPECT_EQ(sizeof(kHelloWorld),
fwrite(kHelloWorld, 1, sizeof(kHelloWorld), fp.get()));
PlatformHandle h = test::PlatformHandleFromFILE(std::move(fp));
EXPECT_FALSE(fp);
ASSERT_TRUE(h.is_valid());
scoped_refptr<PlatformHandleDispatcher> dispatcher =
PlatformHandleDispatcher::Create(std::move(h));
EXPECT_FALSE(h.is_valid());
EXPECT_EQ(Dispatcher::Type::PLATFORM_HANDLE, dispatcher->GetType());
h = dispatcher->TakePlatformHandle();
EXPECT_TRUE(h.is_valid());
fp = test::FILEFromPlatformHandle(std::move(h), "rb");
EXPECT_FALSE(h.is_valid());
EXPECT_TRUE(fp);
rewind(fp.get());
char read_buffer[1000] = {};
EXPECT_EQ(sizeof(kHelloWorld),
fread(read_buffer, 1, sizeof(read_buffer), fp.get()));
EXPECT_STREQ(kHelloWorld, read_buffer);
// Try getting the handle again. (It should fail cleanly.)
auto internal_handle = dispatcher->TakePlatformHandle();
EXPECT_FALSE(internal_handle.is_valid());
EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close());
}
TEST(PlatformHandleDispatcherTest, Serialization) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
static const char kFooBar[] = "foo bar";
base::FilePath unused;
base::ScopedFILE fp =
CreateAndOpenTemporaryStreamInDir(temp_dir.GetPath(), &unused);
EXPECT_EQ(sizeof(kFooBar), fwrite(kFooBar, 1, sizeof(kFooBar), fp.get()));
scoped_refptr<PlatformHandleDispatcher> dispatcher =
PlatformHandleDispatcher::Create(
test::PlatformHandleFromFILE(std::move(fp)));
uint32_t num_bytes = 0;
uint32_t num_ports = 0;
uint32_t num_handles = 0;
EXPECT_TRUE(dispatcher->BeginTransit());
dispatcher->StartSerialize(&num_bytes, &num_ports, &num_handles);
EXPECT_EQ(0u, num_bytes);
EXPECT_EQ(0u, num_ports);
EXPECT_EQ(1u, num_handles);
PlatformHandle received_handle;
EXPECT_TRUE(dispatcher->EndSerialize(nullptr, nullptr, &received_handle));
dispatcher->CompleteTransitAndClose();
EXPECT_TRUE(received_handle.is_valid());
PlatformHandle handle = dispatcher->TakePlatformHandle();
EXPECT_FALSE(handle.is_valid());
EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, dispatcher->Close());
dispatcher = static_cast<PlatformHandleDispatcher*>(
Dispatcher::Deserialize(Dispatcher::Type::PLATFORM_HANDLE, nullptr,
num_bytes, nullptr, num_ports, &received_handle,
1u)
.get());
EXPECT_FALSE(received_handle.is_valid());
EXPECT_TRUE(dispatcher->GetType() == Dispatcher::Type::PLATFORM_HANDLE);
fp = test::FILEFromPlatformHandle(dispatcher->TakePlatformHandle(), "rb");
EXPECT_TRUE(fp);
rewind(fp.get());
char read_buffer[1000] = {};
EXPECT_EQ(sizeof(kFooBar),
fread(read_buffer, 1, sizeof(read_buffer), fp.get()));
EXPECT_STREQ(kFooBar, read_buffer);
EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close());
}
} // namespace
} // namespace core
} // namespace mojo
|
