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74 lines
2.6 KiB
74 lines
2.6 KiB
// Flags: --no-warnings
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// The flag suppresses stderr output but the warning event will still emit
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const testMsg = 'A Warning';
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const testCode = 'CODE001';
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const testDetail = 'Some detail';
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const testType = 'CustomWarning';
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process.on('warning', common.mustCall((warning) => {
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assert(warning);
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assert(/^(Warning|CustomWarning)/.test(warning.name));
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assert.strictEqual(warning.message, testMsg);
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if (warning.code) assert.strictEqual(warning.code, testCode);
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if (warning.detail) assert.strictEqual(warning.detail, testDetail);
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}, 15));
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class CustomWarning extends Error {
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constructor() {
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super();
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this.name = testType;
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this.message = testMsg;
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this.code = testCode;
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Error.captureStackTrace(this, CustomWarning);
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}
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}
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[
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[testMsg],
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[testMsg, testType],
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[testMsg, CustomWarning],
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[testMsg, testType, CustomWarning],
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[testMsg, testType, testCode],
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[testMsg, { type: testType }],
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[testMsg, { type: testType, code: testCode }],
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[testMsg, { type: testType, code: testCode, detail: testDetail }],
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[new CustomWarning()],
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// detail will be ignored for the following. No errors thrown
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[testMsg, { type: testType, code: testCode, detail: true }],
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[testMsg, { type: testType, code: testCode, detail: [] }],
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[testMsg, { type: testType, code: testCode, detail: null }],
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[testMsg, { type: testType, code: testCode, detail: 1 }]
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].forEach((i) => {
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assert.doesNotThrow(() => process.emitWarning.apply(null, i));
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});
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const warningNoToString = new CustomWarning();
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warningNoToString.toString = null;
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process.emitWarning(warningNoToString);
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const warningThrowToString = new CustomWarning();
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warningThrowToString.toString = function() {
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throw new Error('invalid toString');
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};
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process.emitWarning(warningThrowToString);
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const expectedError =
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common.expectsError({code: 'ERR_INVALID_ARG_TYPE', type: TypeError});
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// TypeError is thrown on invalid input
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assert.throws(() => process.emitWarning(1), expectedError);
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assert.throws(() => process.emitWarning({}), expectedError);
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assert.throws(() => process.emitWarning(true), expectedError);
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assert.throws(() => process.emitWarning([]), expectedError);
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assert.throws(() => process.emitWarning('', '', {}), expectedError);
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assert.throws(() => process.emitWarning('', 1), expectedError);
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assert.throws(() => process.emitWarning('', '', 1), expectedError);
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assert.throws(() => process.emitWarning('', true), expectedError);
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assert.throws(() => process.emitWarning('', '', true), expectedError);
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assert.throws(() => process.emitWarning('', []), expectedError);
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assert.throws(() => process.emitWarning('', '', []), expectedError);
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