| // Copyright (C) 2016 the V8 project authors. All rights reserved. |
| // Copyright (C) 2017 Mozilla Corporation. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-dataview.prototype.getint32 |
| description: > |
| ToIndex conversions on byteOffset |
| info: | |
| 24.2.4.9 DataView.prototype.getInt32 ( 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, "Int32"). |
| |
| 24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type ) |
| |
| ... |
| 4. Let getIndex be ? ToIndex(requestIndex). |
| ... |
| features: [SharedArrayBuffer] |
| ---*/ |
| |
| var buffer = new SharedArrayBuffer(8); |
| var sample = new DataView(buffer, 0); |
| |
| sample.setUint8(0, 127); |
| sample.setUint8(1, 255); |
| sample.setUint8(2, 255); |
| sample.setUint8(3, 255); |
| sample.setUint8(4, 128); |
| sample.setUint8(5, 255); |
| sample.setUint8(6, 255); |
| sample.setUint8(7, 255); |
| |
| var obj1 = { |
| valueOf: function() { |
| return 2; |
| } |
| }; |
| |
| var obj2 = { |
| toString: function() { |
| return 3; |
| } |
| }; |
| |
| assert.sameValue(sample.getInt32(-0), 2147483647, "-0"); |
| assert.sameValue(sample.getInt32(obj1), -32513, "object's valueOf"); |
| assert.sameValue(sample.getInt32(obj2), -8323073, "object's toString"); |
| assert.sameValue(sample.getInt32(""), 2147483647, "the Empty string"); |
| assert.sameValue(sample.getInt32("0"), 2147483647, "string '0'"); |
| assert.sameValue(sample.getInt32("2"), -32513, "string '2'"); |
| assert.sameValue(sample.getInt32(true), -128, "true"); |
| assert.sameValue(sample.getInt32(false), 2147483647, "false"); |
| assert.sameValue(sample.getInt32(NaN), 2147483647, "NaN"); |
| assert.sameValue(sample.getInt32(null), 2147483647, "null"); |
| assert.sameValue(sample.getInt32(0.1), 2147483647, "0.1"); |
| assert.sameValue(sample.getInt32(0.9), 2147483647, "0.9"); |
| assert.sameValue(sample.getInt32(1.1), -128, "1.1"); |
| assert.sameValue(sample.getInt32(1.9), -128, "1.9"); |
| assert.sameValue(sample.getInt32(-0.1), 2147483647, "-0.1"); |
| assert.sameValue(sample.getInt32(-0.99999), 2147483647, "-0.99999"); |
| assert.sameValue(sample.getInt32(undefined), 2147483647, "undefined"); |
| assert.sameValue(sample.getInt32(), 2147483647, "no arg"); |