d795301025
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. The main tradeoff for this bit of code churn is that it gets the code base most of the way to being able to enable the no-unused-vars rule in eslint. (The non-tooling benefit is that it lessens cognitive load when reading tests as it is an immediate indication that none of the functions or properties in common.js will be used by the test.) PR-URL: https://github.com/nodejs/node/pull/4563 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
75 lines
2.5 KiB
JavaScript
75 lines
2.5 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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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+ms$/.test(strings.shift().trim()));
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assert.ok(/^__proto__: \d+ms$/.test(strings.shift().trim()));
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assert.ok(/^constructor: \d+ms$/.test(strings.shift().trim()));
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assert.ok(/^hasOwnProperty: \d+ms$/.test(strings.shift().trim()));
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assert.equal(strings.length, 0);
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