mirror of https://gitee.com/openkylin/nodejs.git
64 lines
1.6 KiB
JavaScript
64 lines
1.6 KiB
JavaScript
'use strict';
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const common = require('../common');
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const {
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hijackStderr,
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restoreStderr
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} = require('../common/hijackstdio');
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const assert = require('assert');
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function test1() {
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// Output is skipped if the argument to the 'warning' event is
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// not an Error object.
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hijackStderr(common.mustNotCall('stderr.write must not be called'));
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process.emit('warning', 'test');
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setImmediate(test2);
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}
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function test2() {
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// Output is skipped if it's a deprecation warning and
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// process.noDeprecation = true
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process.noDeprecation = true;
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process.emitWarning('test', 'DeprecationWarning');
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process.noDeprecation = false;
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setImmediate(test3);
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}
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function test3() {
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restoreStderr();
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// Type defaults to warning when the second argument is an object
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process.emitWarning('test', {});
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process.once('warning', common.mustCall((warning) => {
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assert.strictEqual(warning.name, 'Warning');
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}));
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setImmediate(test4);
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}
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function test4() {
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// process.emitWarning will throw when process.throwDeprecation is true
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// and type is `DeprecationWarning`.
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process.throwDeprecation = true;
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assert.throws(
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() => process.emitWarning('test', 'DeprecationWarning'),
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/^DeprecationWarning: test$/);
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process.throwDeprecation = false;
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setImmediate(test5);
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}
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function test5() {
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// Setting toString to a non-function should not cause an error
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const err = new Error('test');
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err.toString = 1;
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process.emitWarning(err);
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setImmediate(test6);
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}
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function test6() {
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process.emitWarning('test', { detail: 'foo' });
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process.on('warning', (warning) => {
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assert.strictEqual(warning.detail, 'foo');
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});
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}
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test1();
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