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      1 // Copyright 2014 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 #include "components/metrics/metrics_reporting_scheduler.h"
      6 
      7 #include "base/basictypes.h"
      8 #include "base/bind.h"
      9 #include "base/message_loop/message_loop.h"
     10 #include "base/run_loop.h"
     11 #include "testing/gtest/include/gtest/gtest.h"
     12 
     13 class MetricsReportingSchedulerTest : public testing::Test {
     14  public:
     15   MetricsReportingSchedulerTest() : callback_call_count_(0) {}
     16   virtual ~MetricsReportingSchedulerTest() {}
     17 
     18   base::Closure GetCallback() {
     19     return base::Bind(&MetricsReportingSchedulerTest::SchedulerCallback,
     20                       base::Unretained(this));
     21   }
     22 
     23   int callback_call_count() const { return callback_call_count_; }
     24 
     25  private:
     26   void SchedulerCallback() {
     27     ++callback_call_count_;
     28   }
     29 
     30   int callback_call_count_;
     31 
     32   base::MessageLoopForUI message_loop_;
     33 
     34   DISALLOW_COPY_AND_ASSIGN(MetricsReportingSchedulerTest);
     35 };
     36 
     37 
     38 TEST_F(MetricsReportingSchedulerTest, InitTaskCompleteBeforeTimer) {
     39   MetricsReportingScheduler scheduler(GetCallback());
     40   scheduler.SetUploadIntervalForTesting(base::TimeDelta());
     41   scheduler.InitTaskComplete();
     42   scheduler.Start();
     43   EXPECT_EQ(0, callback_call_count());
     44 
     45   base::RunLoop().RunUntilIdle();
     46   EXPECT_EQ(1, callback_call_count());
     47 }
     48 
     49 TEST_F(MetricsReportingSchedulerTest, InitTaskCompleteAfterTimer) {
     50   MetricsReportingScheduler scheduler(GetCallback());
     51   scheduler.SetUploadIntervalForTesting(base::TimeDelta());
     52   scheduler.Start();
     53   base::RunLoop().RunUntilIdle();
     54   EXPECT_EQ(0, callback_call_count());
     55 
     56   scheduler.InitTaskComplete();
     57   EXPECT_EQ(1, callback_call_count());
     58 }
     59