JSTests/test262/test/built-ins/Array/length/S15.4.2.2_A2.2_T1.js

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

/*---
esid: sec-array-len
info: |
    If the argument len is a Number and ToUint32(len) is not equal to len,
    a RangeError exception is thrown
es5id: 15.4.2.2_A2.2_T1
description: Use try statement. len = -1, 4294967296, 4294967297
---*/

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

try {
  new Array(4294967296);
  throw new Test262Error('#2.1: new Array(4294967296) throw RangeError. Actual: ' + (new Array(4294967296)));
} catch (e) {
  assert.sameValue(
    e instanceof RangeError,
    true,
    'The result of evaluating (e instanceof RangeError) is expected to be true'
  );
}

try {
  new Array(4294967297);
  throw new Test262Error('#3.1: new Array(4294967297) throw RangeError. Actual: ' + (new Array(4294967297)));
} catch (e) {
  assert.sameValue(
    e instanceof RangeError,
    true,
    'The result of evaluating (e instanceof RangeError) is expected to be true'
  );
}