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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>
86 lines
2.8 KiB
JavaScript
86 lines
2.8 KiB
JavaScript
'use strict';
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require('../common');
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var assert = require('assert');
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assert.ok(process.stdout.writable);
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assert.ok(process.stderr.writable);
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// Support legacy API
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assert.equal('number', typeof process.stdout.fd);
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assert.equal('number', typeof process.stderr.fd);
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assert.throws(function() {
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console.timeEnd('no such label');
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});
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assert.doesNotThrow(function() {
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console.time('label');
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console.timeEnd('label');
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});
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// an Object with a custom .inspect() function
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var custom_inspect = { foo: 'bar', inspect: function() { return 'inspect'; } };
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var stdout_write = global.process.stdout.write;
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var strings = [];
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global.process.stdout.write = function(string) {
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strings.push(string);
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};
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console._stderr = process.stdout;
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// test console.log()
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console.log('foo');
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console.log('foo', 'bar');
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console.log('%s %s', 'foo', 'bar', 'hop');
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console.log({slashes: '\\\\'});
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console.log(custom_inspect);
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// test console.dir()
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console.dir(custom_inspect);
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console.dir(custom_inspect, { showHidden: false });
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console.dir({ foo : { bar : { baz : true } } }, { depth: 0 });
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console.dir({ foo : { bar : { baz : true } } }, { depth: 1 });
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// test console.trace()
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console.trace('This is a %j %d', { formatted: 'trace' }, 10, 'foo');
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// test console.time() and console.timeEnd() output
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console.time('label');
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console.timeEnd('label');
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// verify that Object.prototype properties can be used as labels
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console.time('__proto__');
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console.timeEnd('__proto__');
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console.time('constructor');
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console.timeEnd('constructor');
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console.time('hasOwnProperty');
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console.timeEnd('hasOwnProperty');
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global.process.stdout.write = stdout_write;
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// verify that console.timeEnd() doesn't leave dead links
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const timesMapSize = console._times.size;
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console.time('label1');
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console.time('label2');
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console.time('label3');
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console.timeEnd('label1');
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console.timeEnd('label2');
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console.timeEnd('label3');
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assert.strictEqual(console._times.size, timesMapSize);
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assert.equal('foo\n', strings.shift());
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assert.equal('foo bar\n', strings.shift());
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assert.equal('foo bar hop\n', strings.shift());
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assert.equal("{ slashes: '\\\\\\\\' }\n", strings.shift());
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assert.equal('inspect\n', strings.shift());
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assert.equal("{ foo: 'bar', inspect: [Function] }\n", strings.shift());
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assert.equal("{ foo: 'bar', inspect: [Function] }\n", strings.shift());
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assert.notEqual(-1, strings.shift().indexOf('foo: [Object]'));
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assert.equal(-1, strings.shift().indexOf('baz'));
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assert.equal('Trace: This is a {"formatted":"trace"} 10 foo',
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strings.shift().split('\n').shift());
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assert.ok(/^label: \d+\.\d{3}ms$/.test(strings.shift().trim()));
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assert.ok(/^__proto__: \d+\.\d{3}ms$/.test(strings.shift().trim()));
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assert.ok(/^constructor: \d+\.\d{3}ms$/.test(strings.shift().trim()));
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assert.ok(/^hasOwnProperty: \d+\.\d{3}ms$/.test(strings.shift().trim()));
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assert.equal(strings.length, 0);
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