| Index: base/test/histogram_tester.h
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| diff --git a/base/test/histogram_tester.h b/base/test/histogram_tester.h
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| deleted file mode 100644
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| index 7ac7ca67e7efac0db0f4d8fe1921b719c77aedef..0000000000000000000000000000000000000000
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| --- a/base/test/histogram_tester.h
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| +++ /dev/null
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| @@ -1,115 +0,0 @@
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| -// Copyright 2014 The Chromium Authors. All rights reserved.
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| -// Use of this source code is governed by a BSD-style license that can be
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| -// found in the LICENSE file.
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| -
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| -#ifndef BASE_TEST_HISTOGRAM_TESTER_H_
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| -#define BASE_TEST_HISTOGRAM_TESTER_H_
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| -
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| -#include <map>
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| -#include <ostream>
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| -#include <string>
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| -#include <utility>
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| -#include <vector>
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| -
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| -#include "base/basictypes.h"
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| -#include "base/memory/scoped_ptr.h"
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| -#include "base/metrics/histogram.h"
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| -#include "base/metrics/histogram_base.h"
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| -
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| -namespace base {
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| -
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| -struct Bucket;
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| -class HistogramSamples;
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| -
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| -// HistogramTester provides a simple interface for examining histograms, UMA
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| -// or otherwise. Tests can use this interface to verify that histogram data is
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| -// getting logged as intended.
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| -class HistogramTester {
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| - public:
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| - // The constructor will call StatisticsRecorder::Initialize() for you. Also,
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| - // this takes a snapshot of all current histograms counts.
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| - HistogramTester();
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| - ~HistogramTester();
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| -
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| - // We know the exact number of samples in a bucket, and that no other bucket
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| - // should have samples. Measures the diff from the snapshot taken when this
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| - // object was constructed.
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| - void ExpectUniqueSample(const std::string& name,
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| - base::HistogramBase::Sample sample,
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| - base::HistogramBase::Count expected_count) const;
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| -
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| - // We know the exact number of samples in a bucket, but other buckets may
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| - // have samples as well. Measures the diff from the snapshot taken when this
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| - // object was constructed.
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| - void ExpectBucketCount(const std::string& name,
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| - base::HistogramBase::Sample sample,
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| - base::HistogramBase::Count expected_count) const;
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| -
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| - // We don't know the values of the samples, but we know how many there are.
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| - // This measures the diff from the snapshot taken when this object was
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| - // constructed.
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| - void ExpectTotalCount(const std::string& name,
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| - base::HistogramBase::Count count) const;
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| -
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| - // Returns a list of all of the buckets recorded since creation of this
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| - // object, as vector<Bucket>, where the Bucket represents the min boundary of
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| - // the bucket and the count of samples recorded to that bucket since creation.
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| - //
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| - // Example usage, using gMock:
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| - // EXPECT_THAT(histogram_tester.GetAllSamples("HistogramName"),
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| - // ElementsAre(Bucket(1, 5), Bucket(2, 10), Bucket(3, 5)));
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| - //
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| - // If you build the expected list programmatically, you can use ContainerEq:
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| - // EXPECT_THAT(histogram_tester.GetAllSamples("HistogramName"),
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| - // ContainerEq(expected_buckets));
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| - //
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| - // or EXPECT_EQ if you prefer not to depend on gMock, at the expense of a
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| - // slightly less helpful failure message:
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| - // EXPECT_EQ(expected_buckets,
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| - // histogram_tester.GetAllSamples("HistogramName"));
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| - std::vector<Bucket> GetAllSamples(const std::string& name);
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| -
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| - // Access a modified HistogramSamples containing only what has been logged
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| - // to the histogram since the creation of this object.
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| - scoped_ptr<HistogramSamples> GetHistogramSamplesSinceCreation(
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| - const std::string& histogram_name);
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| -
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| - private:
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| - // Verifies and asserts that value in the |sample| bucket matches the
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| - // |expected_count|. The bucket's current value is determined from |samples|
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| - // and is modified based on the snapshot stored for histogram |name|.
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| - void CheckBucketCount(const std::string& name,
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| - base::HistogramBase::Sample sample,
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| - base::Histogram::Count expected_count,
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| - const base::HistogramSamples& samples) const;
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| -
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| - // Verifies that the total number of values recorded for the histogram |name|
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| - // is |expected_count|. This is checked against |samples| minus the snapshot
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| - // that was taken for |name|.
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| - void CheckTotalCount(const std::string& name,
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| - base::Histogram::Count expected_count,
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| - const base::HistogramSamples& samples) const;
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| -
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| - // Used to determine the histogram changes made during this instance's
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| - // lifecycle. This instance takes ownership of the samples, which are deleted
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| - // when the instance is destroyed.
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| - std::map<std::string, HistogramSamples*> histograms_snapshot_;
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| -
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| - DISALLOW_COPY_AND_ASSIGN(HistogramTester);
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| -};
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| -
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| -struct Bucket {
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| - Bucket(base::HistogramBase::Sample min, base::HistogramBase::Count count)
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| - : min(min), count(count) {}
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| -
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| - bool operator==(const Bucket& other) const;
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| -
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| - base::HistogramBase::Sample min;
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| - base::HistogramBase::Count count;
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| -};
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| -
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| -void PrintTo(const Bucket& value, std::ostream* os);
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| -
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| -} // namespace base
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| -
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| -#endif // BASE_TEST_HISTOGRAM_TESTER_H_
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|