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Diffstat (limited to 'base/metrics/histogram_unittest.cc')
| -rw-r--r-- | base/metrics/histogram_unittest.cc | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/base/metrics/histogram_unittest.cc b/base/metrics/histogram_unittest.cc index 496ff63..9d671df 100644 --- a/base/metrics/histogram_unittest.cc +++ b/base/metrics/histogram_unittest.cc @@ -288,6 +288,28 @@ TEST(HistogramTest, BoundsTest) { EXPECT_EQ(kBucketCount, array_size); EXPECT_EQ(0, sample.counts(array_size - 2)); EXPECT_EQ(2, sample.counts(array_size - 1)); + + std::vector<int> custom_ranges; + custom_ranges.push_back(10); + custom_ranges.push_back(50); + custom_ranges.push_back(100); + Histogram* test_custom_histogram(CustomHistogram::FactoryGet( + "TestCustomRangeBoundedHistogram", custom_ranges, Histogram::kNoFlags)); + + // Put two samples "out of bounds" above and below. + test_custom_histogram->Add(5); + test_custom_histogram->Add(-50); + test_custom_histogram->Add(100); + test_custom_histogram->Add(1000); + + // Verify they landed in the underflow, and overflow buckets. + Histogram::SampleSet custom_sample; + test_custom_histogram->SnapshotSample(&custom_sample); + EXPECT_EQ(2, custom_sample.counts(0)); + EXPECT_EQ(0, custom_sample.counts(1)); + size_t custom_array_size = test_custom_histogram->bucket_count(); + EXPECT_EQ(0, custom_sample.counts(custom_array_size - 2)); + EXPECT_EQ(2, custom_sample.counts(custom_array_size - 1)); } // Check to be sure samples land as expected is "correct" buckets. |