| // 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: > |
| Boolean littleEndian argument coerced in ToBoolean |
| 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 ) |
| |
| ... |
| 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(4); |
| var sample = new DataView(buffer, 0); |
| |
| sample.setUint8(0, 75); |
| sample.setUint8(1, 75); |
| sample.setUint8(2, 76); |
| sample.setUint8(3, 76); |
| |
| // False |
| assert.sameValue(sample.getFloat32(0), 13323340, "no arg"); |
| assert.sameValue(sample.getFloat32(0, undefined), 13323340, "undefined"); |
| assert.sameValue(sample.getFloat32(0, null), 13323340, "null"); |
| assert.sameValue(sample.getFloat32(0, 0), 13323340, "0"); |
| assert.sameValue(sample.getFloat32(0, ""), 13323340, "the empty string"); |
| |
| // True |
| assert.sameValue(sample.getFloat32(0, {}), 53554476, "{}"); |
| assert.sameValue(sample.getFloat32(0, Symbol("1")), 53554476, "symbol"); |
| assert.sameValue(sample.getFloat32(0, 1), 53554476, "1"); |
| assert.sameValue(sample.getFloat32(0, "string"), 53554476, "string"); |