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67 lines
2.3 KiB
67 lines
2.3 KiB
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const util = require('util');
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// Template tag function turning an error message into a RegExp
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// for assert.throws()
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function re(literals, ...values) {
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let result = literals[0];
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const escapeRE = /[\\^$.*+?()[\]{}|=!<>:-]/g;
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for (const [i, value] of values.entries()) {
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const str = util.inspect(value);
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// Need to escape special characters.
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result += str.replace(escapeRE, '\\$&');
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result += literals[i + 1];
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}
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return common.expectsError({
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code: 'ERR_ASSERTION',
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message: new RegExp(`^${result}$`)
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});
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}
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// Turn off no-restricted-properties because we are testing deepEqual!
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/* eslint-disable no-restricted-properties */
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// See https://github.com/nodejs/node/issues/10258
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{
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const date = new Date('2016');
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function FakeDate() {}
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FakeDate.prototype = Date.prototype;
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const fake = new FakeDate();
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assert.doesNotThrow(() => assert.deepEqual(date, fake));
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assert.doesNotThrow(() => assert.deepEqual(fake, date));
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// For deepStrictEqual we check the runtime type,
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// then reveal the fakeness of the fake date
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assert.throws(() => assert.deepStrictEqual(date, fake),
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re`${date} deepStrictEqual Date {}`);
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assert.throws(() => assert.deepStrictEqual(fake, date),
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re`Date {} deepStrictEqual ${date}`);
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}
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{ // At the moment global has its own type tag
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const fakeGlobal = {};
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Object.setPrototypeOf(fakeGlobal, Object.getPrototypeOf(global));
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for (const prop of Object.keys(global)) {
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fakeGlobal[prop] = global[prop];
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}
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assert.doesNotThrow(() => assert.deepEqual(fakeGlobal, global));
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// Message will be truncated anyway, don't validate
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assert.throws(() => assert.deepStrictEqual(fakeGlobal, global),
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assert.AssertionError);
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}
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{ // At the moment process has its own type tag
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const fakeProcess = {};
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Object.setPrototypeOf(fakeProcess, Object.getPrototypeOf(process));
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for (const prop of Object.keys(process)) {
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fakeProcess[prop] = process[prop];
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}
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assert.doesNotThrow(() => assert.deepEqual(fakeProcess, process));
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// Message will be truncated anyway, don't validate
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assert.throws(() => assert.deepStrictEqual(fakeProcess, process),
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assert.AssertionError);
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}
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/* eslint-enable */
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