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// Copyright 2014 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 "mojo/system/platform_handle_dispatcher.h"
#include <stdio.h>
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/files/scoped_file.h"
#include "base/files/scoped_temp_dir.h"
#include "base/memory/ref_counted.h"
#include "mojo/common/test/test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace mojo {
namespace system {
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(CreateAndOpenTemporaryFileInDir(temp_dir.path(),
&unused));
ASSERT_TRUE(fp);
EXPECT_EQ(sizeof(kHelloWorld),
fwrite(kHelloWorld, 1, sizeof(kHelloWorld), fp.get()));
embedder::ScopedPlatformHandle
h(mojo::test::PlatformHandleFromFILE(fp.Pass()));
EXPECT_FALSE(fp);
ASSERT_TRUE(h.is_valid());
scoped_refptr<PlatformHandleDispatcher> dispatcher(
new PlatformHandleDispatcher(h.Pass()));
EXPECT_FALSE(h.is_valid());
EXPECT_EQ(Dispatcher::kTypePlatformHandle, dispatcher->GetType());
h = dispatcher->PassPlatformHandle().Pass();
EXPECT_TRUE(h.is_valid());
fp = mojo::test::FILEFromPlatformHandle(h.Pass(), "rb").Pass();
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.)
h = dispatcher->PassPlatformHandle().Pass();
EXPECT_FALSE(h.is_valid());
EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close());
}
TEST(PlatformHandleDispatcherTest, CreateEquivalentDispatcherAndClose) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
static const char kFooBar[] = "foo bar";
base::FilePath unused;
base::ScopedFILE fp(CreateAndOpenTemporaryFileInDir(temp_dir.path(),
&unused));
EXPECT_EQ(sizeof(kFooBar), fwrite(kFooBar, 1, sizeof(kFooBar), fp.get()));
scoped_refptr<PlatformHandleDispatcher> dispatcher(
new PlatformHandleDispatcher(
mojo::test::PlatformHandleFromFILE(fp.Pass())));
DispatcherTransport transport(
test::DispatcherTryStartTransport(dispatcher.get()));
EXPECT_TRUE(transport.is_valid());
EXPECT_EQ(Dispatcher::kTypePlatformHandle, transport.GetType());
EXPECT_FALSE(transport.IsBusy());
scoped_refptr<Dispatcher> generic_dispatcher =
transport.CreateEquivalentDispatcherAndClose();
ASSERT_TRUE(generic_dispatcher);
transport.End();
EXPECT_TRUE(dispatcher->HasOneRef());
dispatcher = NULL;
ASSERT_EQ(Dispatcher::kTypePlatformHandle, generic_dispatcher->GetType());
dispatcher = static_cast<PlatformHandleDispatcher*>(generic_dispatcher.get());
fp = mojo::test::FILEFromPlatformHandle(dispatcher->PassPlatformHandle(),
"rb").Pass();
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 system
} // namespace mojo
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