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'use strict';
const common = require('../common');
const Countdown = require('../common/countdown');
const assert = require('assert');
const {
observerCounts: counts
} = process.binding('performance');
const {
performance,
PerformanceObserver,
constants
} = require('perf_hooks');
const {
NODE_PERFORMANCE_ENTRY_TYPE_NODE,
NODE_PERFORMANCE_ENTRY_TYPE_MARK,
NODE_PERFORMANCE_ENTRY_TYPE_MEASURE,
NODE_PERFORMANCE_ENTRY_TYPE_GC,
NODE_PERFORMANCE_ENTRY_TYPE_FUNCTION,
} = constants;
assert.strictEqual(counts[NODE_PERFORMANCE_ENTRY_TYPE_NODE], 0);
assert.strictEqual(counts[NODE_PERFORMANCE_ENTRY_TYPE_MARK], 1);
assert.strictEqual(counts[NODE_PERFORMANCE_ENTRY_TYPE_MEASURE], 1);
assert.strictEqual(counts[NODE_PERFORMANCE_ENTRY_TYPE_GC], 0);
assert.strictEqual(counts[NODE_PERFORMANCE_ENTRY_TYPE_FUNCTION], 0);
{
[1, null, undefined, {}, [], Infinity].forEach((i) => {
common.expectsError(() => new PerformanceObserver(i),
{
code: 'ERR_INVALID_CALLBACK',
type: TypeError,
message: 'Callback must be a function'
});
});
const observer = new PerformanceObserver(common.mustNotCall());
[1, null, undefined].forEach((input) => {
common.expectsError(
() => observer.observe(input),
{
code: 'ERR_INVALID_ARG_TYPE',
type: TypeError,
message: 'The "options" argument must be of type Object. ' +
`Received type ${typeof input}`
});
});
[1, undefined, null, {}, Infinity].forEach((i) => {
common.expectsError(() => observer.observe({ entryTypes: i }),
{
code: 'ERR_INVALID_OPT_VALUE',
type: TypeError,
message: 'The value "[object Object]" is invalid ' +
'for option "entryTypes"'
});
});
}
// Test Non-Buffered
{
const observer =
new PerformanceObserver(common.mustCall(callback, 3));
const countdown =
new Countdown(3, () => {
observer.disconnect();
assert.strictEqual(counts[NODE_PERFORMANCE_ENTRY_TYPE_MARK], 1);
});
function callback(list, obs) {
assert.strictEqual(obs, observer);
const entries = list.getEntries();
assert.strictEqual(entries.length, 1);
countdown.dec();
}
assert.strictEqual(counts[NODE_PERFORMANCE_ENTRY_TYPE_MARK], 1);
observer.observe({ entryTypes: ['mark'] });
assert.strictEqual(counts[NODE_PERFORMANCE_ENTRY_TYPE_MARK], 2);
performance.mark('test1');
performance.mark('test2');
performance.mark('test3');
}
// Test Buffered
{
const observer =
new PerformanceObserver(common.mustCall(callback, 1));
assert.strictEqual(counts[NODE_PERFORMANCE_ENTRY_TYPE_MARK], 1);
function callback(list, obs) {
assert.strictEqual(obs, observer);
const entries = list.getEntries();
assert.strictEqual(entries.length, 3);
observer.disconnect();
assert.strictEqual(counts[NODE_PERFORMANCE_ENTRY_TYPE_MARK], 1);
{
const entriesByName = list.getEntriesByName('test1');
assert.strictEqual(entriesByName.length, 1);
assert.strictEqual(entriesByName[0].name, 'test1');
assert.strictEqual(entriesByName[0].entryType, 'mark');
}
{
const entriesByName = list.getEntriesByName('test1', 'mark');
assert.strictEqual(entriesByName.length, 1);
assert.strictEqual(entriesByName[0].name, 'test1');
assert.strictEqual(entriesByName[0].entryType, 'mark');
}
{
const entriesByName = list.getEntriesByName('test1', 'measure');
assert.strictEqual(entriesByName.length, 0);
}
{
const entriesByType = list.getEntriesByType('measure');
assert.strictEqual(entriesByType.length, 1);
assert.strictEqual(entriesByType[0].name, 'test3');
assert.strictEqual(entriesByType[0].entryType, 'measure');
}
}
observer.observe({ entryTypes: ['mark', 'measure'], buffered: true });
// Do this twice to make sure it doesn't throw
observer.observe({ entryTypes: ['mark', 'measure'], buffered: true });
// Even tho we called twice, count should be 1
assert.strictEqual(counts[NODE_PERFORMANCE_ENTRY_TYPE_MARK], 2);
performance.mark('test1');
performance.mark('test2');
performance.measure('test3', 'test1', 'test2');
}
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