mirror of https://gitee.com/openkylin/nodejs.git
52 lines
1.8 KiB
JavaScript
52 lines
1.8 KiB
JavaScript
// Flags: --expose-internals
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'use strict';
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require('../common');
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const assert = require('assert');
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const { ERR_INVALID_ARG_TYPE } = require('internal/errors').codes;
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const { serializeError, deserializeError } = require('internal/error_serdes');
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function cycle(err) {
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return deserializeError(serializeError(err));
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}
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assert.strictEqual(cycle(0), 0);
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assert.strictEqual(cycle(-1), -1);
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assert.strictEqual(cycle(1.4), 1.4);
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assert.strictEqual(cycle(null), null);
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assert.strictEqual(cycle(undefined), undefined);
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assert.strictEqual(cycle('foo'), 'foo');
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let err = new Error('foo');
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for (let i = 0; i < 10; i++) {
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assert(err instanceof Error);
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assert(Object.prototype.toString.call(err), '[object Error]');
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assert.strictEqual(err.name, 'Error');
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assert.strictEqual(err.message, 'foo');
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assert(/^Error: foo\n/.test(err.stack));
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const prev = err;
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err = cycle(err);
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assert.deepStrictEqual(err, prev);
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}
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assert.strictEqual(cycle(new RangeError('foo')).name, 'RangeError');
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assert.strictEqual(cycle(new TypeError('foo')).name, 'TypeError');
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assert.strictEqual(cycle(new ReferenceError('foo')).name, 'ReferenceError');
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assert.strictEqual(cycle(new URIError('foo')).name, 'URIError');
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assert.strictEqual(cycle(new EvalError('foo')).name, 'EvalError');
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assert.strictEqual(cycle(new SyntaxError('foo')).name, 'SyntaxError');
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class SubError extends Error {}
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assert.strictEqual(cycle(new SubError('foo')).name, 'Error');
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assert.deepStrictEqual(cycle({ message: 'foo' }), { message: 'foo' });
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assert.strictEqual(cycle(Function), '[Function: Function]');
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{
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const err = new ERR_INVALID_ARG_TYPE('object', 'Object', 42);
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assert(/^TypeError \[ERR_INVALID_ARG_TYPE\]:/.test(err));
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assert.strictEqual(err.name, 'TypeError');
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assert.strictEqual(err.code, 'ERR_INVALID_ARG_TYPE');
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}
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