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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.
#import "base/mac/bind_objc_block.h"
#include <string>
#include "base/bind.h"
#include "base/callback.h"
#include "base/callback_helpers.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
TEST(BindObjcBlockTest, TestScopedClosureRunnerExitScope) {
int run_count = 0;
int* ptr = &run_count;
{
base::ScopedClosureRunner runner(base::BindBlock(^{
(*ptr)++;
}));
EXPECT_EQ(0, run_count);
}
EXPECT_EQ(1, run_count);
}
TEST(BindObjcBlockTest, TestScopedClosureRunnerRelease) {
int run_count = 0;
int* ptr = &run_count;
base::Closure c;
{
base::ScopedClosureRunner runner(base::BindBlock(^{
(*ptr)++;
}));
c = runner.Release();
EXPECT_EQ(0, run_count);
}
EXPECT_EQ(0, run_count);
c.Run();
EXPECT_EQ(1, run_count);
}
TEST(BindObjcBlockTest, TestReturnValue) {
const int kReturnValue = 42;
base::Callback<int(void)> c = base::BindBlock(^{return kReturnValue;});
EXPECT_EQ(kReturnValue, c.Run());
}
TEST(BindObjcBlockTest, TestArgument) {
const int kArgument = 42;
base::Callback<int(int)> c = base::BindBlock(^(int a){return a + 1;});
EXPECT_EQ(kArgument + 1, c.Run(kArgument));
}
TEST(BindObjcBlockTest, TestTwoArguments) {
std::string result;
std::string* ptr = &result;
base::Callback<void(const std::string&, const std::string&)> c =
base::BindBlock(^(const std::string& a, const std::string& b) {
*ptr = a + b;
});
c.Run("forty", "two");
EXPECT_EQ(result, "fortytwo");
}
TEST(BindObjcBlockTest, TestThreeArguments) {
std::string result;
std::string* ptr = &result;
base::Callback<void(const std::string&,
const std::string&,
const std::string&)> c =
base::BindBlock(^(const std::string& a,
const std::string& b,
const std::string& c) {
*ptr = a + b + c;
});
c.Run("six", "times", "nine");
EXPECT_EQ(result, "sixtimesnine");
}
TEST(BindObjcBlockTest, TestSixArguments) {
std::string result1;
std::string* ptr = &result1;
int result2;
int* ptr2 = &result2;
base::Callback<void(int, int, const std::string&, const std::string&,
int, const std::string&)> c =
base::BindBlock(^(int a, int b, const std::string& c,
const std::string& d, int e, const std::string& f) {
*ptr = c + d + f;
*ptr2 = a + b + e;
});
c.Run(1, 2, "infinite", "improbability", 3, "drive");
EXPECT_EQ(result1, "infiniteimprobabilitydrive");
EXPECT_EQ(result2, 6);
}
} // namespace
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