1 <!DOCTYPE html> 2 <!-- 3 Copyright 2016 The Chromium Authors. All rights reserved. 4 Use of this source code is governed by a BSD-style license that can be 5 found in the LICENSE file. 6 --> 7 8 <link rel="import" href="/tracing/core/test_utils.html"> 9 <link rel="import" href="/tracing/metrics/metric_registry.html"> 10 <link rel="import" href="/tracing/value/histogram.html"> 11 12 <script> 13 'use strict'; 14 15 tr.b.unittest.testSuite(function() { 16 test('FindMetricByName', function() { 17 function sampleMetricA(values, model) { 18 var n1 = new tr.v.Histogram('foo', tr.b.Unit.byName.count); 19 n1.addSample(1); 20 values.addHistogram(n1); 21 } 22 tr.metrics.MetricRegistry.register(sampleMetricA); 23 24 function sampleMetricB(values, model) { 25 var n1 = new tr.v.Histogram('foo', tr.b.Unit.byName.count); 26 var n2 = new tr.v.Histogram('bar', tr.b.Unit.byName.count); 27 n1.addSample(1); 28 n2.addSample(2); 29 values.addHistogram(n1); 30 values.addHistogram(n2); 31 } 32 tr.metrics.MetricRegistry.register(sampleMetricB); 33 34 function sampleMetricC(values, model) { 35 var n1 = new tr.v.Histogram('foo', tr.b.Unit.byName.count); 36 var n2 = new tr.v.Histogram('bar', tr.b.Unit.byName.count); 37 var n3 = new tr.v.Histogram('baz', tr.b.Unit.byName.count); 38 n1.addSample(1); 39 n2.addSample(2); 40 n3.addSample(3); 41 values.addHistogram(n1); 42 values.addHistogram(n2); 43 values.addHistogram(n3); 44 } 45 tr.metrics.MetricRegistry.register(sampleMetricC); 46 47 var typeInfo = tr.metrics.MetricRegistry.findTypeInfoWithName( 48 'sampleMetricB'); 49 assert.strictEqual(typeInfo.constructor, sampleMetricB); 50 }); 51 52 test('registerNonFunctionThrows', function() { 53 assert.throws(function() { 54 tr.metrics.MetricRegistry.register('not a function'); 55 }); 56 57 assert.throws(function() { 58 tr.metrics.MetricRegistry.register(function() {}); 59 }); 60 61 assert.throws(function() { 62 tr.metrics.MetricRegistry.register(function(a) {}); 63 }); 64 }); 65 }); 66 </script> 67
