// Flags: --expose-internals 'use strict'; const common = require('../common'); const errors = require('internal/errors'); const assert = require('assert'); errors.E('TEST_ERROR_1', 'Error for testing purposes: %s'); errors.E('TEST_ERROR_2', (a, b) => `${a} ${b}`); const err1 = new errors.Error('TEST_ERROR_1', 'test'); const err2 = new errors.TypeError('TEST_ERROR_1', 'test'); const err3 = new errors.RangeError('TEST_ERROR_1', 'test'); const err4 = new errors.Error('TEST_ERROR_2', 'abc', 'xyz'); assert(err1 instanceof Error); assert.strictEqual(err1.name, 'Error[TEST_ERROR_1]'); assert.strictEqual(err1.message, 'Error for testing purposes: test'); assert.strictEqual(err1.code, 'TEST_ERROR_1'); assert(err2 instanceof TypeError); assert.strictEqual(err2.name, 'TypeError[TEST_ERROR_1]'); assert.strictEqual(err2.message, 'Error for testing purposes: test'); assert.strictEqual(err2.code, 'TEST_ERROR_1'); assert(err3 instanceof RangeError); assert.strictEqual(err3.name, 'RangeError[TEST_ERROR_1]'); assert.strictEqual(err3.message, 'Error for testing purposes: test'); assert.strictEqual(err3.code, 'TEST_ERROR_1'); assert(err4 instanceof Error); assert.strictEqual(err4.name, 'Error[TEST_ERROR_2]'); assert.strictEqual(err4.message, 'abc xyz'); assert.strictEqual(err4.code, 'TEST_ERROR_2'); assert.throws( () => new errors.Error('TEST_FOO_KEY'), /^AssertionError: An invalid error message key was used: TEST_FOO_KEY.$/); // Calling it twice yields same result (using the key does not create it) assert.throws( () => new errors.Error('TEST_FOO_KEY'), /^AssertionError: An invalid error message key was used: TEST_FOO_KEY.$/); assert.throws( () => new errors.Error(1), /^AssertionError: 'number' === 'string'$/); assert.throws( () => new errors.Error({}), /^AssertionError: 'object' === 'string'$/); assert.throws( () => new errors.Error([]), /^AssertionError: 'object' === 'string'$/); assert.throws( () => new errors.Error(true), /^AssertionError: 'boolean' === 'string'$/); assert.throws( () => new errors.TypeError(1), /^AssertionError: 'number' === 'string'$/); assert.throws( () => new errors.TypeError({}), /^AssertionError: 'object' === 'string'$/); assert.throws( () => new errors.TypeError([]), /^AssertionError: 'object' === 'string'$/); assert.throws( () => new errors.TypeError(true), /^AssertionError: 'boolean' === 'string'$/); assert.throws( () => new errors.RangeError(1), /^AssertionError: 'number' === 'string'$/); assert.throws( () => new errors.RangeError({}), /^AssertionError: 'object' === 'string'$/); assert.throws( () => new errors.RangeError([]), /^AssertionError: 'object' === 'string'$/); assert.throws( () => new errors.RangeError(true), /^AssertionError: 'boolean' === 'string'$/); // Tests for common.expectsError assert.doesNotThrow(() => { assert.throws(() => { throw new errors.TypeError('TEST_ERROR_1', 'a'); }, common.expectsError('TEST_ERROR_1')); }); assert.doesNotThrow(() => { assert.throws(() => { throw new errors.TypeError('TEST_ERROR_1', 'a'); }, common.expectsError('TEST_ERROR_1', TypeError, /^Error for testing/)); }); assert.doesNotThrow(() => { assert.throws(() => { throw new errors.TypeError('TEST_ERROR_1', 'a'); }, common.expectsError('TEST_ERROR_1', TypeError)); }); assert.doesNotThrow(() => { assert.throws(() => { throw new errors.TypeError('TEST_ERROR_1', 'a'); }, common.expectsError('TEST_ERROR_1', Error)); }); assert.throws(() => { assert.throws(() => { throw new errors.TypeError('TEST_ERROR_1', 'a'); }, common.expectsError('TEST_ERROR_1', RangeError)); }, /^AssertionError: error is not the expected type/); assert.throws(() => { assert.throws(() => { throw new errors.TypeError('TEST_ERROR_1', 'a'); }, common.expectsError('TEST_ERROR_1', TypeError, /^Error for testing 2/)); }, /^AssertionError: error.message does not match/);