| // 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.getfloat32 |
| description: > |
| Detached buffer is only checked after ToIndex(requestIndex) |
| info: | |
| 24.2.4.5 DataView.prototype.getFloat32 ( byteOffset [ , littleEndian ] ) |
| |
| 1. Let v be the this value. |
| 2. If littleEndian is not present, let littleEndian be false. |
| 3. Return ? GetViewValue(v, byteOffset, littleEndian, "Float32"). |
| |
| 24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type ) |
| |
| ... |
| 4. Let getIndex be ? ToIndex(requestIndex). |
| ... |
| 6. Let buffer be view.[[ViewedArrayBuffer]]. |
| 7. If IsDetachedBuffer(buffer) is true, throw a TypeError exception. |
| ... |
| includes: [detachArrayBuffer.js] |
| ---*/ |
| |
| var buffer = new ArrayBuffer(6); |
| var sample = new DataView(buffer, 0); |
| |
| $DETACHBUFFER(buffer); |
| |
| assert.throws(RangeError, function() { |
| sample.getFloat32(-1); |
| }); |
| |
| assert.throws(RangeError, function() { |
| sample.getFloat32(Infinity); |
| }, "Infinity"); |