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console: sub-millisecond accuracy for console.time 

This makes the output of console.timeEnd in line with major browsers.

PR-URL: https://github.com/nodejs/node/pull/3166
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
pull/3166/head
Michaël Zasso 2015-10-07 19:58:39 +02:00
parent 642928b502
commit 419f7d4726
3 changed files with 9 additions and 8 deletions
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2
doc/api/console.markdown
View File

@ -93,7 +93,7 @@ Example:
;
}
console.timeEnd('100-elements');
// prints 100-elements: 262ms
// prints 100-elements: 225.438ms
### console.trace(message[, ...])

7
lib/console.js
View File

@ -56,7 +56,7 @@ Console.prototype.dir = function(object, options) {
Console.prototype.time = function(label) {
this._times.set(label, Date.now());
this._times.set(label, process.hrtime());
};
@ -65,8 +65,9 @@ Console.prototype.timeEnd = function(label) {
if (!time) {
throw new Error('No such label: ' + label);
}
var duration = Date.now() - time;
this.log('%s: %dms', label, duration);
const duration = process.hrtime(time);
const ms = duration[0] * 1000 + duration[1] / 1e6;
this.log('%s: %sms', label, ms.toFixed(3));
};

8
test/parallel/test-console.js
View File

@ -68,8 +68,8 @@ assert.notEqual(-1, strings.shift().indexOf('foo: [Object]'));
assert.equal(-1, strings.shift().indexOf('baz'));
assert.equal('Trace: This is a {"formatted":"trace"} 10 foo',
strings.shift().split('\n').shift());
assert.ok(/^label: \d+ms$/.test(strings.shift().trim()));
assert.ok(/^__proto__: \d+ms$/.test(strings.shift().trim()));
assert.ok(/^constructor: \d+ms$/.test(strings.shift().trim()));
assert.ok(/^hasOwnProperty: \d+ms$/.test(strings.shift().trim()));
assert.ok(/^label: \d+\.\d{3}ms$/.test(strings.shift().trim()));
assert.ok(/^__proto__: \d+\.\d{3}ms$/.test(strings.shift().trim()));
assert.ok(/^constructor: \d+\.\d{3}ms$/.test(strings.shift().trim()));
assert.ok(/^hasOwnProperty: \d+\.\d{3}ms$/.test(strings.shift().trim()));
assert.equal(strings.length, 0);