mirror of
https://github.com/mozilla/gecko-dev.git
synced 2025-11-11 21:58:41 +02:00
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D26280 --HG-- extra : moz-landing-system : lando
903 lines
37 KiB
C++
903 lines
37 KiB
C++
/* vim:set ts=2 sw=2 sts=0 et: */
|
|
/* Any copyright is dedicated to the Public Domain.
|
|
* http://creativecommons.org/publicdomain/zero/1.0/
|
|
*/
|
|
|
|
#include "gtest/gtest.h"
|
|
#include "js/Conversions.h"
|
|
#include "mozilla/Telemetry.h"
|
|
#include "nsITelemetry.h"
|
|
#include "TelemetryFixture.h"
|
|
#include "TelemetryTestHelpers.h"
|
|
|
|
using namespace mozilla;
|
|
using namespace TelemetryTestHelpers;
|
|
|
|
TEST_F(TelemetryTestFixture, AccumulateCountHistogram) {
|
|
const uint32_t kExpectedValue = 200;
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
const char* telemetryTestCountName =
|
|
Telemetry::GetHistogramName(Telemetry::TELEMETRY_TEST_COUNT);
|
|
ASSERT_STREQ(telemetryTestCountName, "TELEMETRY_TEST_COUNT")
|
|
<< "The histogram name is wrong";
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_COUNT"), false);
|
|
|
|
// Accumulate in the histogram
|
|
Telemetry::Accumulate(Telemetry::TELEMETRY_TEST_COUNT, kExpectedValue / 2);
|
|
Telemetry::Accumulate("TELEMETRY_TEST_COUNT", kExpectedValue / 2);
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, telemetryTestCountName, &snapshot,
|
|
false);
|
|
|
|
// Get the histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), telemetryTestCountName, snapshot, &histogram);
|
|
|
|
// Get "sum" property from histogram
|
|
JS::RootedValue sum(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "sum", histogram, &sum);
|
|
|
|
// Check that the "sum" stored in the histogram matches with |kExpectedValue|
|
|
uint32_t uSum = 0;
|
|
JS::ToUint32(cx.GetJSContext(), sum, &uSum);
|
|
ASSERT_EQ(uSum, kExpectedValue)
|
|
<< "The histogram is not returning expected value";
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture, AccumulateKeyedCountHistogram) {
|
|
const uint32_t kExpectedValue = 100;
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_KEYED_COUNT"), true);
|
|
|
|
// Accumulate data in the provided key within the histogram
|
|
Telemetry::Accumulate(Telemetry::TELEMETRY_TEST_KEYED_COUNT,
|
|
NS_LITERAL_CSTRING("sample"), kExpectedValue);
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_KEYED_COUNT",
|
|
&snapshot, true);
|
|
|
|
// Get the histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_KEYED_COUNT", snapshot,
|
|
&histogram);
|
|
|
|
// Get "sample" property from histogram
|
|
JS::RootedValue expectedKeyData(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "sample", histogram, &expectedKeyData);
|
|
|
|
// Get "sum" property from keyed data
|
|
JS::RootedValue sum(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "sum", expectedKeyData, &sum);
|
|
|
|
// Check that the sum stored in the histogram matches with |kExpectedValue|
|
|
uint32_t uSum = 0;
|
|
JS::ToUint32(cx.GetJSContext(), sum, &uSum);
|
|
ASSERT_EQ(uSum, kExpectedValue)
|
|
<< "The histogram is not returning expected sum";
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture, TestKeyedKeysHistogram) {
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
JS::RootedValue testHistogram(cx.GetJSContext());
|
|
JS::RootedValue rval(cx.GetJSContext());
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_KEYED_KEYS"), true);
|
|
|
|
// Test the accumulation on both the allowed and unallowed keys, using
|
|
// the API that accepts histogram IDs.
|
|
Telemetry::Accumulate(Telemetry::TELEMETRY_TEST_KEYED_KEYS,
|
|
NS_LITERAL_CSTRING("not-allowed"), 1);
|
|
Telemetry::Accumulate(Telemetry::TELEMETRY_TEST_KEYED_KEYS,
|
|
NS_LITERAL_CSTRING("testkey"), 0);
|
|
// Do the same, using the API that accepts the histogram name as a string.
|
|
Telemetry::Accumulate("TELEMETRY_TEST_KEYED_KEYS",
|
|
NS_LITERAL_CSTRING("not-allowed"), 1);
|
|
Telemetry::Accumulate("TELEMETRY_TEST_KEYED_KEYS",
|
|
NS_LITERAL_CSTRING("CommonKey"), 1);
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_KEYED_KEYS",
|
|
&snapshot, true);
|
|
|
|
// Get the histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_KEYED_KEYS", snapshot,
|
|
&histogram);
|
|
|
|
// Get "testkey" property from histogram and check that it stores the correct
|
|
// data.
|
|
JS::RootedValue expectedKeyData(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "testkey", histogram, &expectedKeyData);
|
|
ASSERT_TRUE(!expectedKeyData.isUndefined())
|
|
<< "Cannot find the expected key in the histogram data";
|
|
JS::RootedValue sum(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "sum", expectedKeyData, &sum);
|
|
uint32_t uSum = 0;
|
|
JS::ToUint32(cx.GetJSContext(), sum, &uSum);
|
|
ASSERT_EQ(uSum, 0U)
|
|
<< "The histogram is not returning expected sum for 'testkey'";
|
|
|
|
// Do the same for the "CommonKey" property.
|
|
GetProperty(cx.GetJSContext(), "CommonKey", histogram, &expectedKeyData);
|
|
ASSERT_TRUE(!expectedKeyData.isUndefined())
|
|
<< "Cannot find the expected key in the histogram data";
|
|
GetProperty(cx.GetJSContext(), "sum", expectedKeyData, &sum);
|
|
JS::ToUint32(cx.GetJSContext(), sum, &uSum);
|
|
ASSERT_EQ(uSum, 1U)
|
|
<< "The histogram is not returning expected sum for 'CommonKey'";
|
|
|
|
GetProperty(cx.GetJSContext(), "not-allowed", histogram, &expectedKeyData);
|
|
ASSERT_TRUE(expectedKeyData.isUndefined())
|
|
<< "Unallowed keys must not be recorded in the histogram data";
|
|
|
|
// The 'not-allowed' key accumulation for 'TELEMETRY_TESTED_KEYED_KEYS' was
|
|
// attemtped twice, so we expect the count of
|
|
// 'telemetry.accumulate_unknown_histogram_keys' to be 2
|
|
const uint32_t expectedAccumulateUnknownCount = 2;
|
|
JS::RootedValue scalarsSnapshot(cx.GetJSContext());
|
|
GetScalarsSnapshot(true, cx.GetJSContext(), &scalarsSnapshot);
|
|
CheckKeyedUintScalar("telemetry.accumulate_unknown_histogram_keys",
|
|
"TELEMETRY_TEST_KEYED_KEYS", cx.GetJSContext(),
|
|
scalarsSnapshot, expectedAccumulateUnknownCount);
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture, AccumulateCategoricalHistogram) {
|
|
const uint32_t kExpectedValue = 2;
|
|
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_CATEGORICAL"), false);
|
|
|
|
// Accumulate one unit into the categorical histogram with label
|
|
// Telemetry::LABELS_TELEMETRY_TEST_CATEGORICAL::CommonLabel
|
|
Telemetry::AccumulateCategorical(
|
|
Telemetry::LABELS_TELEMETRY_TEST_CATEGORICAL::CommonLabel);
|
|
|
|
// Accumulate another unit into the same categorical histogram using a string
|
|
// label
|
|
Telemetry::AccumulateCategorical(Telemetry::TELEMETRY_TEST_CATEGORICAL,
|
|
NS_LITERAL_CSTRING("CommonLabel"));
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_CATEGORICAL",
|
|
&snapshot, false);
|
|
|
|
// Get our histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_CATEGORICAL", snapshot,
|
|
&histogram);
|
|
|
|
// Get values object from histogram. Each entry in the object maps to a label
|
|
// in the histogram.
|
|
JS::RootedValue values(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "values", histogram, &values);
|
|
|
|
// Get the value for the label we care about
|
|
JS::RootedValue value(cx.GetJSContext());
|
|
GetElement(cx.GetJSContext(),
|
|
static_cast<uint32_t>(
|
|
Telemetry::LABELS_TELEMETRY_TEST_CATEGORICAL::CommonLabel),
|
|
values, &value);
|
|
|
|
// Check that the value stored in the histogram matches with |kExpectedValue|
|
|
uint32_t uValue = 0;
|
|
JS::ToUint32(cx.GetJSContext(), value, &uValue);
|
|
ASSERT_EQ(uValue, kExpectedValue)
|
|
<< "The histogram is not returning expected value";
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture, AccumulateKeyedCategoricalHistogram) {
|
|
const uint32_t kSampleExpectedValue = 2;
|
|
const uint32_t kOtherSampleExpectedValue = 1;
|
|
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_KEYED_CATEGORICAL"),
|
|
true);
|
|
|
|
// Accumulate one unit into the categorical histogram with label
|
|
// Telemetry::LABELS_TELEMETRY_TEST_KEYED_CATEGORICAL::CommonLabel
|
|
Telemetry::AccumulateCategoricalKeyed(
|
|
NS_LITERAL_CSTRING("sample"),
|
|
Telemetry::LABELS_TELEMETRY_TEST_KEYED_CATEGORICAL::CommonLabel);
|
|
// Accumulate another unit into the same categorical histogram
|
|
Telemetry::AccumulateCategoricalKeyed(
|
|
NS_LITERAL_CSTRING("sample"),
|
|
Telemetry::LABELS_TELEMETRY_TEST_KEYED_CATEGORICAL::CommonLabel);
|
|
// Accumulate another unit into a different categorical histogram
|
|
Telemetry::AccumulateCategoricalKeyed(
|
|
NS_LITERAL_CSTRING("other-sample"),
|
|
Telemetry::LABELS_TELEMETRY_TEST_KEYED_CATEGORICAL::CommonLabel);
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry,
|
|
"TELEMETRY_TEST_KEYED_CATEGORICAL", &snapshot, true);
|
|
// Get the histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_KEYED_CATEGORICAL", snapshot,
|
|
&histogram);
|
|
|
|
// Check that the sample histogram contains the values we expect
|
|
JS::RootedValue sample(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "sample", histogram, &sample);
|
|
// Get values object from sample. Each entry in the object maps to a label in
|
|
// the histogram.
|
|
JS::RootedValue sampleValues(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "values", sample, &sampleValues);
|
|
// Get the value for the label we care about
|
|
JS::RootedValue sampleValue(cx.GetJSContext());
|
|
GetElement(
|
|
cx.GetJSContext(),
|
|
static_cast<uint32_t>(
|
|
Telemetry::LABELS_TELEMETRY_TEST_KEYED_CATEGORICAL::CommonLabel),
|
|
sampleValues, &sampleValue);
|
|
// Check that the value stored in the histogram matches with
|
|
// |kSampleExpectedValue|
|
|
uint32_t uSampleValue = 0;
|
|
JS::ToUint32(cx.GetJSContext(), sampleValue, &uSampleValue);
|
|
ASSERT_EQ(uSampleValue, kSampleExpectedValue)
|
|
<< "The sample histogram is not returning expected value";
|
|
|
|
// Check that the other-sample histogram contains the values we expect
|
|
JS::RootedValue otherSample(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "other-sample", histogram, &otherSample);
|
|
// Get values object from the other-sample. Each entry in the object maps to a
|
|
// label in the histogram.
|
|
JS::RootedValue otherValues(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "values", otherSample, &otherValues);
|
|
// Get the value for the label we care about
|
|
JS::RootedValue otherValue(cx.GetJSContext());
|
|
GetElement(
|
|
cx.GetJSContext(),
|
|
static_cast<uint32_t>(
|
|
Telemetry::LABELS_TELEMETRY_TEST_KEYED_CATEGORICAL::CommonLabel),
|
|
otherValues, &otherValue);
|
|
// Check that the value stored in the histogram matches with
|
|
// |kOtherSampleExpectedValue|
|
|
uint32_t uOtherValue = 0;
|
|
JS::ToUint32(cx.GetJSContext(), otherValue, &uOtherValue);
|
|
ASSERT_EQ(uOtherValue, kOtherSampleExpectedValue)
|
|
<< "The other-sample histogram is not returning expected value";
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture, AccumulateCountHistogram_MultipleSamples) {
|
|
nsTArray<uint32_t> samples({4, 4, 4});
|
|
const uint32_t kExpectedSum = 12;
|
|
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_COUNT"), false);
|
|
|
|
// Accumulate in histogram
|
|
Telemetry::Accumulate(Telemetry::TELEMETRY_TEST_COUNT, samples);
|
|
|
|
// Get a snapshot of all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_COUNT", &snapshot,
|
|
false);
|
|
|
|
// Get histogram from snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_COUNT", snapshot, &histogram);
|
|
|
|
// Get "sum" from histogram
|
|
JS::RootedValue sum(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "sum", histogram, &sum);
|
|
|
|
// Check that sum matches with aValue
|
|
uint32_t uSum = 0;
|
|
JS::ToUint32(cx.GetJSContext(), sum, &uSum);
|
|
ASSERT_EQ(uSum, kExpectedSum)
|
|
<< "This histogram is not returning expected value";
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture, AccumulateLinearHistogram_MultipleSamples) {
|
|
nsTArray<uint32_t> samples({4, 4, 4});
|
|
const uint32_t kExpectedCount = 3;
|
|
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_LINEAR"), false);
|
|
|
|
// Accumulate in the histogram
|
|
Telemetry::Accumulate(Telemetry::TELEMETRY_TEST_LINEAR, samples);
|
|
|
|
// Get a snapshot of all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_LINEAR",
|
|
&snapshot, false);
|
|
|
|
// Get histogram from snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_LINEAR", snapshot, &histogram);
|
|
|
|
// Get "values" object from histogram
|
|
JS::RootedValue values(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "values", histogram, &values);
|
|
|
|
// Index 0 is only for values less than 'low'. Values within range start at
|
|
// index 1
|
|
JS::RootedValue count(cx.GetJSContext());
|
|
const uint32_t index = 1;
|
|
GetElement(cx.GetJSContext(), index, values, &count);
|
|
|
|
// Check that this count matches with nSamples
|
|
uint32_t uCount = 0;
|
|
JS::ToUint32(cx.GetJSContext(), count, &uCount);
|
|
ASSERT_EQ(uCount, kExpectedCount)
|
|
<< "The histogram did not accumulate the correct number of values";
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture, AccumulateLinearHistogram_DifferentSamples) {
|
|
nsTArray<uint32_t> samples(
|
|
{4, 8, 2147483646, uint32_t(INT_MAX) + 1, UINT32_MAX});
|
|
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
mTelemetry->ClearScalars();
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_LINEAR"), false);
|
|
|
|
// Accumulate in histogram
|
|
Telemetry::Accumulate(Telemetry::TELEMETRY_TEST_LINEAR, samples);
|
|
|
|
// Get a snapshot of all histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_LINEAR",
|
|
&snapshot, false);
|
|
|
|
// Get histogram from snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_LINEAR", snapshot, &histogram);
|
|
|
|
// Get values object from histogram
|
|
JS::RootedValue values(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "values", histogram, &values);
|
|
|
|
// Get values in first and last buckets
|
|
JS::RootedValue countFirst(cx.GetJSContext());
|
|
JS::RootedValue countLast(cx.GetJSContext());
|
|
const uint32_t firstIndex = 1;
|
|
// Buckets are indexed by their start value
|
|
const uint32_t lastIndex = INT32_MAX - 1;
|
|
GetElement(cx.GetJSContext(), firstIndex, values, &countFirst);
|
|
GetElement(cx.GetJSContext(), lastIndex, values, &countLast);
|
|
|
|
// Check that the values match
|
|
uint32_t uCountFirst = 0;
|
|
uint32_t uCountLast = 0;
|
|
JS::ToUint32(cx.GetJSContext(), countFirst, &uCountFirst);
|
|
JS::ToUint32(cx.GetJSContext(), countLast, &uCountLast);
|
|
|
|
const uint32_t kExpectedCountFirst = 2;
|
|
// We expect 2147483646 to be in the last bucket, as well the two samples
|
|
// above 2^31 (prior to bug 1438335, values between INT_MAX and UINT32_MAX
|
|
// would end up as 0s)
|
|
const uint32_t kExpectedCountLast = 3;
|
|
ASSERT_EQ(uCountFirst, kExpectedCountFirst)
|
|
<< "The first bucket did not accumulate the correct number of values";
|
|
ASSERT_EQ(uCountLast, kExpectedCountLast)
|
|
<< "The last bucket did not accumulate the correct number of values";
|
|
|
|
// We accumulated two values that had to be clamped. We expect the count in
|
|
// 'telemetry.accumulate_clamped_values' to be 2 (only one storage).
|
|
const uint32_t expectedAccumulateClampedCount = 2;
|
|
JS::RootedValue scalarsSnapshot(cx.GetJSContext());
|
|
GetScalarsSnapshot(true, cx.GetJSContext(), &scalarsSnapshot);
|
|
CheckKeyedUintScalar("telemetry.accumulate_clamped_values",
|
|
"TELEMETRY_TEST_LINEAR", cx.GetJSContext(),
|
|
scalarsSnapshot, expectedAccumulateClampedCount);
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture, AccumulateKeyedCountHistogram_MultipleSamples) {
|
|
const nsTArray<uint32_t> samples({5, 10, 15});
|
|
const uint32_t kExpectedSum = 5 + 10 + 15;
|
|
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_KEYED_COUNT"), true);
|
|
|
|
// Accumulate data in the provided key within the histogram
|
|
Telemetry::Accumulate(Telemetry::TELEMETRY_TEST_KEYED_COUNT,
|
|
NS_LITERAL_CSTRING("sample"), samples);
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_KEYED_COUNT",
|
|
&snapshot, true);
|
|
|
|
// Get the histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_KEYED_COUNT", snapshot,
|
|
&histogram);
|
|
|
|
// Get "sample" property from histogram
|
|
JS::RootedValue expectedKeyData(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "sample", histogram, &expectedKeyData);
|
|
|
|
// Get "sum" property from keyed data
|
|
JS::RootedValue sum(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "sum", expectedKeyData, &sum);
|
|
|
|
// Check that the sum stored in the histogram matches with |kExpectedSum|
|
|
uint32_t uSum = 0;
|
|
JS::ToUint32(cx.GetJSContext(), sum, &uSum);
|
|
ASSERT_EQ(uSum, kExpectedSum)
|
|
<< "The histogram is not returning expected sum";
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture, TestKeyedLinearHistogram_MultipleSamples) {
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
mTelemetry->ClearScalars();
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_KEYED_LINEAR"), true);
|
|
|
|
const nsTArray<uint32_t> samples({1, 5, 250000, UINT_MAX});
|
|
// Test the accumulation on the key 'testkey', using
|
|
// the API that accepts histogram IDs.
|
|
Telemetry::Accumulate(Telemetry::TELEMETRY_TEST_KEYED_LINEAR,
|
|
NS_LITERAL_CSTRING("testkey"), samples);
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_KEYED_LINEAR",
|
|
&snapshot, true);
|
|
|
|
// Get the histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_KEYED_LINEAR", snapshot,
|
|
&histogram);
|
|
|
|
// Get "testkey" property from histogram.
|
|
JS::RootedValue expectedKeyData(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "testkey", histogram, &expectedKeyData);
|
|
ASSERT_TRUE(!expectedKeyData.isUndefined())
|
|
<< "Cannot find the expected key in the histogram data";
|
|
|
|
// Get values object from 'testkey' histogram.
|
|
JS::RootedValue values(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "values", expectedKeyData, &values);
|
|
|
|
// Get values in first and last buckets.
|
|
JS::RootedValue countFirst(cx.GetJSContext());
|
|
JS::RootedValue countLast(cx.GetJSContext());
|
|
const uint32_t firstIndex = 1;
|
|
// Buckets are indexed by their start value
|
|
const uint32_t lastIndex = 250000;
|
|
GetElement(cx.GetJSContext(), firstIndex, values, &countFirst);
|
|
GetElement(cx.GetJSContext(), lastIndex, values, &countLast);
|
|
|
|
// Check that the values match.
|
|
uint32_t uCountFirst = 0;
|
|
uint32_t uCountLast = 0;
|
|
JS::ToUint32(cx.GetJSContext(), countFirst, &uCountFirst);
|
|
JS::ToUint32(cx.GetJSContext(), countLast, &uCountLast);
|
|
|
|
const uint32_t kExpectedCountFirst = 2;
|
|
const uint32_t kExpectedCountLast = 2;
|
|
ASSERT_EQ(uCountFirst, kExpectedCountFirst)
|
|
<< "The first bucket did not accumulate the correct number of values for "
|
|
"key 'testkey'";
|
|
ASSERT_EQ(uCountLast, kExpectedCountLast)
|
|
<< "The last bucket did not accumulate the correct number of values for "
|
|
"key 'testkey'";
|
|
|
|
// We accumulated one keyed values that had to be clamped. We expect the
|
|
// count in 'telemetry.accumulate_clamped_values' to be 1
|
|
const uint32_t expectedAccumulateClampedCount = 1;
|
|
JS::RootedValue scalarsSnapshot(cx.GetJSContext());
|
|
GetScalarsSnapshot(true, cx.GetJSContext(), &scalarsSnapshot);
|
|
CheckKeyedUintScalar("telemetry.accumulate_clamped_values",
|
|
"TELEMETRY_TEST_KEYED_LINEAR", cx.GetJSContext(),
|
|
scalarsSnapshot, expectedAccumulateClampedCount);
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture, TestKeyedKeysHistogram_MultipleSamples) {
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
mTelemetry->ClearScalars();
|
|
const nsTArray<uint32_t> samples({false, false, true, 32, true});
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_KEYED_KEYS"), true);
|
|
|
|
// Test the accumulation on both the allowed and unallowed keys, using
|
|
// the API that accepts histogram IDs.
|
|
Telemetry::Accumulate(Telemetry::TELEMETRY_TEST_KEYED_KEYS,
|
|
NS_LITERAL_CSTRING("not-allowed"), samples);
|
|
Telemetry::Accumulate(Telemetry::TELEMETRY_TEST_KEYED_KEYS,
|
|
NS_LITERAL_CSTRING("testkey"), samples);
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_KEYED_KEYS",
|
|
&snapshot, true);
|
|
|
|
// Get the histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_KEYED_KEYS", snapshot,
|
|
&histogram);
|
|
|
|
// Get "testkey" property from histogram and check that it stores the correct
|
|
// data.
|
|
JS::RootedValue testKeyData(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "testkey", histogram, &testKeyData);
|
|
ASSERT_TRUE(!testKeyData.isUndefined())
|
|
<< "Cannot find the key 'testkey' in the histogram data";
|
|
|
|
JS::RootedValue values(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "values", testKeyData, &values);
|
|
|
|
// Get values in buckets 0,1,2
|
|
const uint32_t falseIndex = 0;
|
|
const uint32_t trueIndex = 1;
|
|
const uint32_t otherIndex = 2;
|
|
|
|
JS::RootedValue countFalse(cx.GetJSContext());
|
|
JS::RootedValue countTrue(cx.GetJSContext());
|
|
JS::RootedValue countOther(cx.GetJSContext());
|
|
|
|
GetElement(cx.GetJSContext(), falseIndex, values, &countFalse);
|
|
GetElement(cx.GetJSContext(), trueIndex, values, &countTrue);
|
|
GetElement(cx.GetJSContext(), otherIndex, values, &countOther);
|
|
|
|
uint32_t uCountFalse = 0;
|
|
uint32_t uCountTrue = 0;
|
|
uint32_t uCountOther = 0;
|
|
JS::ToUint32(cx.GetJSContext(), countFalse, &uCountFalse);
|
|
JS::ToUint32(cx.GetJSContext(), countTrue, &uCountTrue);
|
|
JS::ToUint32(cx.GetJSContext(), countOther, &uCountOther);
|
|
|
|
const uint32_t kExpectedCountFalse = 2;
|
|
const uint32_t kExpectedCountTrue = 3;
|
|
const uint32_t kExpectedCountOther = 0;
|
|
|
|
ASSERT_EQ(uCountFalse, kExpectedCountFalse)
|
|
<< "The histogram did not accumulate the correct number of 'false' "
|
|
"booleans for key 'testkey'";
|
|
ASSERT_EQ(uCountTrue, kExpectedCountTrue)
|
|
<< "The histogram did not accumulate the correct number of 'true' "
|
|
"booleans for key 'testkey'";
|
|
ASSERT_EQ(uCountOther, kExpectedCountOther)
|
|
<< "The histogram did not accumulate the correct number of undefined "
|
|
"values for key 'testkey'";
|
|
|
|
// Here we check that we are not accumulating to a different (but still
|
|
// 'allowed') key. Get "CommonKey" property from histogram and check that it
|
|
// has no data. Since we accumulated no data to it, commonKeyData should be
|
|
// undefined.
|
|
JS::RootedValue commonKeyData(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "CommonKey", histogram, &commonKeyData);
|
|
ASSERT_TRUE(commonKeyData.isUndefined())
|
|
<< "Found data in key 'CommonKey' even though we accumulated no data to "
|
|
"it";
|
|
|
|
// Here we check that our function does not allow accumulation into unallowed
|
|
// keys. Get 'not-allowed' property from histogram and check that this also
|
|
// has no data. This should contain no data because this key is not allowed.
|
|
JS::RootedValue notAllowedKeyData(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "not-allowed", histogram, ¬AllowedKeyData);
|
|
ASSERT_TRUE(notAllowedKeyData.isUndefined())
|
|
<< "Found data in key 'not-allowed' even though accumuling data to it is "
|
|
"not allowed";
|
|
|
|
// The 'not-allowed' key accumulation for 'TELEMETRY_TESTED_KEYED_KEYS' was
|
|
// attemtped once, so we expect the count of
|
|
// 'telemetry.accumulate_unknown_histogram_keys' to be 1
|
|
const uint32_t expectedAccumulateUnknownCount = 1;
|
|
JS::RootedValue scalarsSnapshot(cx.GetJSContext());
|
|
GetScalarsSnapshot(true, cx.GetJSContext(), &scalarsSnapshot);
|
|
CheckKeyedUintScalar("telemetry.accumulate_unknown_histogram_keys",
|
|
"TELEMETRY_TEST_KEYED_KEYS", cx.GetJSContext(),
|
|
scalarsSnapshot, expectedAccumulateUnknownCount);
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture,
|
|
AccumulateCategoricalHistogram_MultipleStringLabels) {
|
|
const uint32_t kExpectedValue = 2;
|
|
const nsTArray<nsCString> labels(
|
|
{NS_LITERAL_CSTRING("CommonLabel"), NS_LITERAL_CSTRING("CommonLabel")});
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_CATEGORICAL"), false);
|
|
|
|
// Accumulate the units into a categorical histogram using a string label
|
|
Telemetry::AccumulateCategorical(Telemetry::TELEMETRY_TEST_CATEGORICAL,
|
|
labels);
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_CATEGORICAL",
|
|
&snapshot, false);
|
|
|
|
// Get our histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_CATEGORICAL", snapshot,
|
|
&histogram);
|
|
|
|
// Get values object from histogram. Each entry in the object maps to a label
|
|
// in the histogram.
|
|
JS::RootedValue values(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "values", histogram, &values);
|
|
|
|
// Get the value for the label we care about
|
|
JS::RootedValue value(cx.GetJSContext());
|
|
GetElement(cx.GetJSContext(),
|
|
static_cast<uint32_t>(
|
|
Telemetry::LABELS_TELEMETRY_TEST_CATEGORICAL::CommonLabel),
|
|
values, &value);
|
|
|
|
// Check that the value stored in the histogram matches with |kExpectedValue|
|
|
uint32_t uValue = 0;
|
|
JS::ToUint32(cx.GetJSContext(), value, &uValue);
|
|
ASSERT_EQ(uValue, kExpectedValue)
|
|
<< "The histogram is not returning expected value";
|
|
|
|
// Now we check for no accumulation when a bad label is present in the array.
|
|
//
|
|
// The 'values' property is not initialized unless data is accumulated so
|
|
// keeping another test to check for this case alone is wasteful as we will
|
|
// have to accumulate some data anyway.
|
|
|
|
const nsTArray<nsCString> badLabelArray(
|
|
{NS_LITERAL_CSTRING("CommonLabel"), NS_LITERAL_CSTRING("BadLabel")});
|
|
|
|
// Try to accumulate the array into the histogram.
|
|
Telemetry::AccumulateCategorical(Telemetry::TELEMETRY_TEST_CATEGORICAL,
|
|
badLabelArray);
|
|
|
|
// Get snapshot of all the histograms
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_CATEGORICAL",
|
|
&snapshot, false);
|
|
|
|
// Get our histogram from the snapshot
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_CATEGORICAL", snapshot,
|
|
&histogram);
|
|
|
|
// Get values array from histogram
|
|
GetProperty(cx.GetJSContext(), "values", histogram, &values);
|
|
|
|
// Get the value for the label we care about
|
|
GetElement(cx.GetJSContext(),
|
|
static_cast<uint32_t>(
|
|
Telemetry::LABELS_TELEMETRY_TEST_CATEGORICAL::CommonLabel),
|
|
values, &value);
|
|
|
|
// Check that the value stored in the histogram matches with |kExpectedValue|
|
|
uValue = 0;
|
|
JS::ToUint32(cx.GetJSContext(), value, &uValue);
|
|
ASSERT_EQ(uValue, kExpectedValue)
|
|
<< "The histogram accumulated data when it should not have";
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture,
|
|
AccumulateCategoricalHistogram_MultipleEnumValues) {
|
|
const uint32_t kExpectedValue = 2;
|
|
const nsTArray<Telemetry::LABELS_TELEMETRY_TEST_CATEGORICAL> enumLabels(
|
|
{Telemetry::LABELS_TELEMETRY_TEST_CATEGORICAL::CommonLabel,
|
|
Telemetry::LABELS_TELEMETRY_TEST_CATEGORICAL::CommonLabel});
|
|
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_CATEGORICAL"), false);
|
|
|
|
// Accumulate the units into a categorical histogram using the enumLabels
|
|
// array
|
|
Telemetry::AccumulateCategorical<
|
|
Telemetry::LABELS_TELEMETRY_TEST_CATEGORICAL>(enumLabels);
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_CATEGORICAL",
|
|
&snapshot, false);
|
|
|
|
// Get our histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_CATEGORICAL", snapshot,
|
|
&histogram);
|
|
|
|
// Get values object from histogram. Each entry in the object maps to a label
|
|
// in the histogram.
|
|
JS::RootedValue values(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "values", histogram, &values);
|
|
|
|
// Get the value for the label we care about
|
|
JS::RootedValue value(cx.GetJSContext());
|
|
GetElement(cx.GetJSContext(),
|
|
static_cast<uint32_t>(
|
|
Telemetry::LABELS_TELEMETRY_TEST_CATEGORICAL::CommonLabel),
|
|
values, &value);
|
|
|
|
// Check that the value stored in the histogram matches with |kExpectedValue|
|
|
uint32_t uValue = 0;
|
|
JS::ToUint32(cx.GetJSContext(), value, &uValue);
|
|
ASSERT_EQ(uValue, kExpectedValue)
|
|
<< "The histogram is not returning expected value";
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture,
|
|
AccumulateKeyedCategoricalHistogram_MultipleEnumValues) {
|
|
const uint32_t kExpectedCommonLabel = 2;
|
|
const uint32_t kExpectedLabel2 = 1;
|
|
const nsTArray<Telemetry::LABELS_TELEMETRY_TEST_KEYED_CATEGORICAL> enumLabels(
|
|
{Telemetry::LABELS_TELEMETRY_TEST_KEYED_CATEGORICAL::CommonLabel,
|
|
Telemetry::LABELS_TELEMETRY_TEST_KEYED_CATEGORICAL::CommonLabel,
|
|
Telemetry::LABELS_TELEMETRY_TEST_KEYED_CATEGORICAL::Label2});
|
|
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_KEYED_CATEGORICAL"),
|
|
true);
|
|
|
|
// Accumulate the array into the categorical keyed histogram
|
|
Telemetry::AccumulateCategoricalKeyed(NS_LITERAL_CSTRING("sampleKey"),
|
|
enumLabels);
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry,
|
|
"TELEMETRY_TEST_KEYED_CATEGORICAL", &snapshot, true);
|
|
|
|
// Get the histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_KEYED_CATEGORICAL", snapshot,
|
|
&histogram);
|
|
|
|
// Check that the sampleKey histogram contains correct number of CommonLabel
|
|
// samples
|
|
JS::RootedValue sample(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "sampleKey", histogram, &sample);
|
|
|
|
// Get values object from the sample. Each entry in the object maps to a label
|
|
// in the histogram.
|
|
JS::RootedValue sampleKeyValues(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "values", sample, &sampleKeyValues);
|
|
|
|
// Get the count of CommonLabel
|
|
JS::RootedValue commonLabelValue(cx.GetJSContext());
|
|
GetElement(
|
|
cx.GetJSContext(),
|
|
static_cast<uint32_t>(
|
|
Telemetry::LABELS_TELEMETRY_TEST_KEYED_CATEGORICAL::CommonLabel),
|
|
sampleKeyValues, &commonLabelValue);
|
|
|
|
// Check that the value stored in the histogram matches with
|
|
// |kExpectedCommonLabel|
|
|
uint32_t uCommonLabelValue = 0;
|
|
JS::ToUint32(cx.GetJSContext(), commonLabelValue, &uCommonLabelValue);
|
|
ASSERT_EQ(uCommonLabelValue, kExpectedCommonLabel)
|
|
<< "The sampleKey histogram did not accumulate the correct number of "
|
|
"CommonLabel samples";
|
|
|
|
// Check that the sampleKey histogram contains the correct number of Label2
|
|
// values Get the count of Label2
|
|
JS::RootedValue label2Value(cx.GetJSContext());
|
|
GetElement(cx.GetJSContext(),
|
|
static_cast<uint32_t>(
|
|
Telemetry::LABELS_TELEMETRY_TEST_KEYED_CATEGORICAL::Label2),
|
|
sampleKeyValues, &label2Value);
|
|
|
|
// Check that the value stored in the histogram matches with |kExpectedLabel2|
|
|
uint32_t uLabel2Value = 0;
|
|
JS::ToUint32(cx.GetJSContext(), label2Value, &uLabel2Value);
|
|
ASSERT_EQ(uLabel2Value, kExpectedLabel2)
|
|
<< "The sampleKey histogram did not accumulate the correct number of "
|
|
"Label2 samples";
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture, AccumulateTimeDelta) {
|
|
const uint32_t kExpectedValue = 100;
|
|
const TimeStamp start = TimeStamp::Now();
|
|
const TimeDuration delta = TimeDuration::FromMilliseconds(50);
|
|
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_COUNT"), false);
|
|
|
|
// Accumulate in the histogram
|
|
Telemetry::AccumulateTimeDelta(Telemetry::TELEMETRY_TEST_COUNT, start - delta,
|
|
start);
|
|
|
|
Telemetry::AccumulateTimeDelta(Telemetry::TELEMETRY_TEST_COUNT, start - delta,
|
|
start);
|
|
|
|
Telemetry::AccumulateTimeDelta(Telemetry::TELEMETRY_TEST_COUNT, start, start);
|
|
|
|
// end > start timestamp gives zero contribution
|
|
Telemetry::AccumulateTimeDelta(Telemetry::TELEMETRY_TEST_COUNT, start + delta,
|
|
start);
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_COUNT", &snapshot,
|
|
false);
|
|
|
|
// Get the histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_COUNT", snapshot, &histogram);
|
|
|
|
// Get "sum" property from histogram
|
|
JS::RootedValue sum(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "sum", histogram, &sum);
|
|
|
|
// Check that the "sum" stored in the histogram matches with |kExpectedValue|
|
|
uint32_t uSum = 0;
|
|
JS::ToUint32(cx.GetJSContext(), sum, &uSum);
|
|
ASSERT_EQ(uSum, kExpectedValue)
|
|
<< "The histogram is not returning expected value";
|
|
}
|
|
|
|
TEST_F(TelemetryTestFixture, AccumulateKeyedTimeDelta) {
|
|
const uint32_t kExpectedValue = 100;
|
|
const TimeStamp start = TimeStamp::Now();
|
|
const TimeDuration delta = TimeDuration::FromMilliseconds(50);
|
|
|
|
AutoJSContextWithGlobal cx(mCleanGlobal);
|
|
|
|
GetAndClearHistogram(cx.GetJSContext(), mTelemetry,
|
|
NS_LITERAL_CSTRING("TELEMETRY_TEST_KEYED_COUNT"), true);
|
|
|
|
// Accumulate time delta in the provided key within the histogram
|
|
Telemetry::AccumulateTimeDelta(Telemetry::TELEMETRY_TEST_KEYED_COUNT,
|
|
NS_LITERAL_CSTRING("sample"), start - delta,
|
|
start);
|
|
|
|
Telemetry::AccumulateTimeDelta(Telemetry::TELEMETRY_TEST_KEYED_COUNT,
|
|
NS_LITERAL_CSTRING("sample"), start - delta,
|
|
start);
|
|
|
|
// end > start timestamp gives zero contribution
|
|
Telemetry::AccumulateTimeDelta(Telemetry::TELEMETRY_TEST_KEYED_COUNT,
|
|
NS_LITERAL_CSTRING("sample"), start + delta,
|
|
start);
|
|
|
|
Telemetry::AccumulateTimeDelta(Telemetry::TELEMETRY_TEST_KEYED_COUNT,
|
|
NS_LITERAL_CSTRING("sample"), start, start);
|
|
|
|
// Get a snapshot for all the histograms
|
|
JS::RootedValue snapshot(cx.GetJSContext());
|
|
GetSnapshots(cx.GetJSContext(), mTelemetry, "TELEMETRY_TEST_KEYED_COUNT",
|
|
&snapshot, true);
|
|
|
|
// Get the histogram from the snapshot
|
|
JS::RootedValue histogram(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "TELEMETRY_TEST_KEYED_COUNT", snapshot,
|
|
&histogram);
|
|
|
|
// Get "sample" property from histogram
|
|
JS::RootedValue expectedKeyData(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "sample", histogram, &expectedKeyData);
|
|
|
|
// Get "sum" property from keyed data
|
|
JS::RootedValue sum(cx.GetJSContext());
|
|
GetProperty(cx.GetJSContext(), "sum", expectedKeyData, &sum);
|
|
|
|
// Check that the sum stored in the histogram matches with |kExpectedValue|
|
|
uint32_t uSum = 0;
|
|
JS::ToUint32(cx.GetJSContext(), sum, &uSum);
|
|
ASSERT_EQ(uSum, kExpectedValue)
|
|
<< "The histogram is not returning expected sum";
|
|
}
|