base/mac/bind_objc_block_unittest.mm

   1 // Copyright (c) 2012 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 #import "base/mac/bind_objc_block.h"
   6
   7 #include "base/callback.h"
   8 #include "base/bind.h"
   9 #include "base/callback_helpers.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 namespace {
  13
  14 TEST(BindObjcBlockTest, TestScopedClosureRunnerExitScope) {
  15   int run_count = 0;
  16   int* ptr = &run_count;
  17   {
  18     base::ScopedClosureRunner runner(base::BindBlock(^{
  19         (*ptr)++;
  20     }));
  21     EXPECT_EQ(0, run_count);
  22   }
  23   EXPECT_EQ(1, run_count);
  24 }
  25
  26 TEST(BindObjcBlockTest, TestScopedClosureRunnerRelease) {
  27   int run_count = 0;
  28   int* ptr = &run_count;
  29   base::Closure c;
  30   {
  31     base::ScopedClosureRunner runner(base::BindBlock(^{
  32         (*ptr)++;
  33     }));
  34     c = runner.Release();
  35     EXPECT_EQ(0, run_count);
  36   }
  37   EXPECT_EQ(0, run_count);
  38   c.Run();
  39   EXPECT_EQ(1, run_count);
  40 }
  41
  42 TEST(BindObjcBlockTest, TestReturnValue) {
  43   const int kReturnValue = 42;
  44   base::Callback<int(void)> c = base::BindBlock(^{return kReturnValue;});
  45   EXPECT_EQ(kReturnValue, c.Run());
  46 }
  47
  48 TEST(BindObjcBlockTest, TestArgument) {
  49   const int kArgument = 42;
  50   base::Callback<int(int)> c = base::BindBlock(^(int a){return a + 1;});
  51   EXPECT_EQ(kArgument + 1, c.Run(kArgument));
  52 }
  53
  54 }  // namespace