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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 namespace metrics {
     14 
     15 class MetricsReportingSchedulerTest : public testing::Test {
     16  public:
     17   MetricsReportingSchedulerTest() : callback_call_count_(0) {}
     18   virtual ~MetricsReportingSchedulerTest() {}
     19 
     20   base::Closure GetCallback() {
     21     return base::Bind(&MetricsReportingSchedulerTest::SchedulerCallback,
     22                       base::Unretained(this));
     23   }
     24 
     25   int callback_call_count() const { return callback_call_count_; }
     26 
     27  private:
     28   void SchedulerCallback() {
     29     ++callback_call_count_;
     30   }
     31 
     32   int callback_call_count_;
     33 
     34   base::MessageLoopForUI message_loop_;
     35 
     36   DISALLOW_COPY_AND_ASSIGN(MetricsReportingSchedulerTest);
     37 };
     38 
     39 
     40 TEST_F(MetricsReportingSchedulerTest, InitTaskCompleteBeforeTimer) {
     41   MetricsReportingScheduler scheduler(GetCallback());
     42   scheduler.SetUploadIntervalForTesting(base::TimeDelta());
     43   scheduler.InitTaskComplete();
     44   scheduler.Start();
     45   EXPECT_EQ(0, callback_call_count());
     46 
     47   base::RunLoop().RunUntilIdle();
     48   EXPECT_EQ(1, callback_call_count());
     49 }
     50 
     51 TEST_F(MetricsReportingSchedulerTest, InitTaskCompleteAfterTimer) {
     52   MetricsReportingScheduler scheduler(GetCallback());
     53   scheduler.SetUploadIntervalForTesting(base::TimeDelta());
     54   scheduler.Start();
     55   base::RunLoop().RunUntilIdle();
     56   EXPECT_EQ(0, callback_call_count());
     57 
     58   scheduler.InitTaskComplete();
     59   EXPECT_EQ(1, callback_call_count());
     60 }
     61 
     62 }  // namespace metrics
     63