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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/file_descriptor_info_impl.h"
#include <fcntl.h>
#include <unistd.h>
#include "base/basictypes.h"
#include "base/posix/eintr_wrapper.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
// Get a safe file descriptor for test purposes.
// TODO(morrita) Merge with things in file_descriptor_set_posix_unittest.cc
int GetSafeFd() {
return open("/dev/null", O_RDONLY);
}
// Returns true if fd was already closed. Closes fd if not closed.
// TODO(morrita) Merge with things in file_descriptor_set_posix_unittest.cc
bool VerifyClosed(int fd) {
const int duped = dup(fd);
if (duped != -1) {
EXPECT_NE(IGNORE_EINTR(close(duped)), -1);
EXPECT_NE(IGNORE_EINTR(close(fd)), -1);
return false;
}
return true;
}
} // namespace
namespace content {
typedef testing::Test FileDescriptorInfoTest;
TEST_F(FileDescriptorInfoTest, Transfer) {
int testingId = 42;
scoped_ptr<FileDescriptorInfo> target(FileDescriptorInfoImpl::Create());
base::ScopedFD fd(GetSafeFd());
int raw_fd = fd.get();
target->Transfer(testingId, fd.Pass());
ASSERT_EQ(1U, target->GetMappingSize());
ASSERT_EQ(target->GetFDAt(0), raw_fd);
ASSERT_EQ(target->GetIDAt(0), testingId);
target.reset();
ASSERT_TRUE(VerifyClosed(raw_fd));
}
TEST_F(FileDescriptorInfoTest, Share) {
int testingId = 42;
scoped_ptr<FileDescriptorInfo> target(FileDescriptorInfoImpl::Create());
base::ScopedFD fd(GetSafeFd());
int raw_fd = fd.get();
target->Share(testingId, fd.get());
ASSERT_EQ(1U, target->GetMappingSize());
ASSERT_EQ(target->GetFDAt(0), raw_fd);
ASSERT_EQ(target->GetIDAt(0), testingId);
target.reset();
ASSERT_TRUE(!VerifyClosed(fd.release()));
}
TEST_F(FileDescriptorInfoTest, GetMappingWithIDAdjustment) {
int testingId1 = 42;
int testingId2 = 43;
scoped_ptr<FileDescriptorInfo> target(FileDescriptorInfoImpl::Create());
target->Transfer(testingId1, base::ScopedFD(GetSafeFd()));
target->Transfer(testingId2, base::ScopedFD(GetSafeFd()));
base::FileHandleMappingVector mapping =
target->GetMappingWithIDAdjustment(100);
ASSERT_EQ(mapping[0].second, 142);
ASSERT_EQ(mapping[1].second, 143);
}
} // namespace content
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