node/test/parallel/test-console.js
Rich Trott cd79ec268d test: remove unnecessary assignments
common.js needs to be loaded in all tests so that there is checking
for variable leaks and possibly other things. However, it does not
need to be assigned to a variable if nothing in common.js is referred
to elsewhere in the test.

PR-URL: https://github.com/nodejs/node/pull/4408
Reviewed-By: James M Snell <jasnell@gmail.com>
2016-01-06 12:10:41 -05:00

76 lines
2.5 KiB
JavaScript

'use strict';
require('../common');
var assert = require('assert');
assert.ok(process.stdout.writable);
assert.ok(process.stderr.writable);
// Support legacy API
assert.equal('number', typeof process.stdout.fd);
assert.equal('number', typeof process.stderr.fd);
assert.throws(function() {
console.timeEnd('no such label');
});
assert.doesNotThrow(function() {
console.time('label');
console.timeEnd('label');
});
// an Object with a custom .inspect() function
var custom_inspect = { foo: 'bar', inspect: function() { return 'inspect'; } };
var stdout_write = global.process.stdout.write;
var strings = [];
global.process.stdout.write = function(string) {
strings.push(string);
};
console._stderr = process.stdout;
// test console.log()
console.log('foo');
console.log('foo', 'bar');
console.log('%s %s', 'foo', 'bar', 'hop');
console.log({slashes: '\\\\'});
console.log(custom_inspect);
// test console.dir()
console.dir(custom_inspect);
console.dir(custom_inspect, { showHidden: false });
console.dir({ foo : { bar : { baz : true } } }, { depth: 0 });
console.dir({ foo : { bar : { baz : true } } }, { depth: 1 });
// test console.trace()
console.trace('This is a %j %d', { formatted: 'trace' }, 10, 'foo');
// test console.time() and console.timeEnd() output
console.time('label');
console.timeEnd('label');
// verify that Object.prototype properties can be used as labels
console.time('__proto__');
console.timeEnd('__proto__');
console.time('constructor');
console.timeEnd('constructor');
console.time('hasOwnProperty');
console.timeEnd('hasOwnProperty');
global.process.stdout.write = stdout_write;
assert.equal('foo\n', strings.shift());
assert.equal('foo bar\n', strings.shift());
assert.equal('foo bar hop\n', strings.shift());
assert.equal("{ slashes: '\\\\\\\\' }\n", strings.shift());
assert.equal('inspect\n', strings.shift());
assert.equal("{ foo: 'bar', inspect: [Function] }\n", strings.shift());
assert.equal("{ foo: 'bar', inspect: [Function] }\n", strings.shift());
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+\.\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);