| // 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.getuint16 |
| description: > |
| Boolean littleEndian argument coerced in ToBoolean |
| info: | |
| 24.2.4.11 DataView.prototype.getUint16 ( 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, "Uint16"). |
| |
| 24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type ) |
| |
| ... |
| 14. Let bufferIndex be getIndex + viewOffset. |
| 15. Return GetValueFromBuffer(buffer, bufferIndex, type, isLittleEndian). |
| ... |
| |
| 24.1.1.5 GetValueFromBuffer ( arrayBuffer, byteIndex, type [ , isLittleEndian |
| ] ) |
| |
| ... |
| 8. If isLittleEndian is false, reverse the order of the elements of rawValue. |
| ... |
| features: [DataView.prototype.setUint8, Symbol] |
| ---*/ |
| |
| var buffer = new ArrayBuffer(2); |
| var sample = new DataView(buffer, 0); |
| |
| sample.setUint8(0, 0); |
| sample.setUint8(1, 42); |
| |
| // False |
| assert.sameValue(sample.getUint16(0), 42, "no arg"); |
| assert.sameValue(sample.getUint16(0, undefined), 42, "undefined"); |
| assert.sameValue(sample.getUint16(0, null), 42, "null"); |
| assert.sameValue(sample.getUint16(0, 0), 42, "0"); |
| assert.sameValue(sample.getUint16(0, ""), 42, "the empty string"); |
| |
| // True |
| assert.sameValue(sample.getUint16(0, {}), 10752, "{}"); |
| assert.sameValue(sample.getUint16(0, Symbol("1")), 10752, "symbol"); |
| assert.sameValue(sample.getUint16(0, 1), 10752, "1"); |
| assert.sameValue(sample.getUint16(0, "string"), 10752, "string"); |