// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es6id: 24.2.2.1
esid: sec-dataview-buffer-byteoffset-bytelength
description: >
  Throws a RangeError if ToNumber(byteOffset) diffs ToInteger(byteOffset)
info: |
  24.2.2.1 DataView (buffer, byteOffset, byteLength )

  ...
  4. Let numberOffset be ? ToNumber(byteOffset).
  5. Let offset be ToInteger(numberOffset).
  6. If numberOffset ≠ offset or offset < 0, throw a RangeError exception.
  ...
---*/

var ab = new ArrayBuffer(42);

assert.throws(RangeError, function() {
  new DataView(ab, 1.1);
}, "1.1");

assert.throws(RangeError, function() {
  new DataView(ab, 0.0000001);
}, "0.0000001");

assert.throws(RangeError, function() {
  new DataView(ab, NaN);
}, "NaN");

assert.throws(RangeError, function() {
  new DataView(ab, -1.1);
}, "-1.1");

assert.throws(RangeError, function() {
  new DataView(ab, undefined);
}, "undefined");

assert.throws(RangeError, function() {
  new DataView(ab);
}, "no byteOffset arg");