Strict mode Passingnon-Strict mode Passing
Features:
- ∅
// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-dataview.prototype.getint8 description: > Throws a RangeError if getIndex + elementSize > viewSize info: | 24.2.4.7 DataView.prototype.getInt8 ( byteOffset ) 1. Let v be the this value. 2. Return ? GetViewValue(v, byteOffset, true, "Int8"). 24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type ) ... 10. Let viewOffset be the value of view's [[ByteOffset]] internal slot. 11. Let viewSize be the value of view's [[ByteLength]] internal slot. 12. Let elementSize be the Number value of the Element Size value specified in Table 50 for Element Type type. 13. If getIndex + elementSize > viewSize, throw a RangeError exception. ... ---*/ var sample; var buffer = new ArrayBuffer(12); sample = new DataView(buffer, 0); assert.throws(RangeError, function() { sample.getInt8(Infinity); }, "getIndex == Infinity"); assert.throws(RangeError, function() { sample.getInt8(13); }, "13 + 1 > 12"); assert.throws(RangeError, function() { sample.getInt8(12); }, "12 + 1 > 12"); sample = new DataView(buffer, 11); assert.throws(RangeError, function() { sample.getInt8(1); }, "1 + 1 > 1 (offset)"); sample = new DataView(buffer, 0, 1); assert.throws(RangeError, function() { sample.getInt8(1); }, "1 + 1 > 1 (length)"); sample = new DataView(buffer, 4, 1); assert.throws(RangeError, function() { sample.getInt8(1); }, "1 + 1 > 1 (offset+length)"); sample = new DataView(buffer, 4, 0); assert.throws(RangeError, function() { sample.getInt8(0); }, "0 + 1 > 0 (offset+length)");