JSTests/test262/test/built-ins/RegExp/S15.10.3.1_A2_T1.js

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: |
    If pattern is an object R whose [[Class]] property is "RegExp" and flags is defined, then
    call the RegExp constructor (15.10.4.1), passing it the pattern and flags arguments and return the object constructed by that constructor
es5id: 15.10.3.1_A2_T1
description: >
    Checking if using "1" as flags leads to throwing the correct
    exception
---*/

try {
    throw new Test262Error('#1.1: RegExp(new RegExp("\\d"), "1")) throw SyntaxError. Actual: ' + (RegExp(new RegExp("\d"), "1")));
} catch (e) {
  assert.sameValue(
    e instanceof SyntaxError,
    true,
    'The result of evaluating (e instanceof SyntaxError) is expected to be true'
  );
}

// TODO: Convert to assert.throws() format.