mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
|
|
http://creativecommons.org/publicdomain/zero/1.0/ */
|
|
|
|
const Cc = Components.classes;
|
|
const Ci = Components.interfaces;
|
|
|
|
const Telemetry = Cc["@mozilla.org/base/telemetry;1"].getService(Ci.nsITelemetry);
|
|
|
|
function test_histogram(histogram_constructor, name, min, max, bucket_count) {
|
|
var h = histogram_constructor(name, min, max, bucket_count);
|
|
|
|
var r = h.snapshot().ranges;
|
|
var sum = 0;
|
|
for(var i=0;i<r.length;i++) {
|
|
var v = r[i];
|
|
sum += v;
|
|
h.add(v);
|
|
}
|
|
var s = h.snapshot();
|
|
// verify sum
|
|
do_check_eq(sum, h.snapshot().sum);;
|
|
// there should be exactly one element per bucket
|
|
for each(var i in s.counts) {
|
|
do_check_eq(i, 1);
|
|
}
|
|
var hgrams = Telemetry.histogramSnapshots
|
|
gh = hgrams[name]
|
|
do_check_eq(gh.histogram_type,
|
|
histogram_constructor == Telemetry.newExponentialHistogram ? 0 : 1);
|
|
do_check_eq(gh.min, min)
|
|
do_check_eq(gh.max, max)
|
|
}
|
|
|
|
function run_test()
|
|
{
|
|
test_histogram(Telemetry.newExponentialHistogram, "test::Exponential", 1, 10000, 10);
|
|
test_histogram(Telemetry.newLinearHistogram, "test::Linear", 1, 10000, 10);
|
|
}
|