| // 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.setfloat64 |
| description: > |
| ToIndex conversions on byteOffset |
| info: | |
| 24.2.4.14 DataView.prototype.setFloat64 ( byteOffset, value [ , littleEndian ] ) |
| |
| 1. Let v be the this value. |
| 2. If littleEndian is not present, let littleEndian be false. |
| 3. Return ? SetViewValue(v, byteOffset, littleEndian, "Float64", value). |
| |
| 24.2.1.2 SetViewValue ( view, requestIndex, isLittleEndian, type, value ) |
| |
| ... |
| 4. Let getIndex be ? ToIndex(requestIndex). |
| ... |
| features: [DataView.prototype.getFloat64] |
| ---*/ |
| |
| var buffer = new ArrayBuffer(12); |
| var sample = new DataView(buffer, 0); |
| |
| var obj1 = { |
| valueOf: function() { |
| return 3; |
| } |
| }; |
| |
| var obj2 = { |
| toString: function() { |
| return 4; |
| } |
| }; |
| |
| sample.setFloat64(0, 0); |
| sample.setFloat64(-0, 42); |
| assert.sameValue(sample.getFloat64(0), 42, "-0"); |
| |
| sample.setFloat64(3, 0); |
| sample.setFloat64(obj1, 42); |
| assert.sameValue(sample.getFloat64(3), 42, "object's valueOf"); |
| |
| sample.setFloat64(4, 0); |
| sample.setFloat64(obj2, 42); |
| assert.sameValue(sample.getFloat64(4), 42, "object's toString"); |
| |
| sample.setFloat64(0, 0); |
| sample.setFloat64("", 42); |
| assert.sameValue(sample.getFloat64(0), 42, "the Empty string"); |
| |
| sample.setFloat64(0, 0); |
| sample.setFloat64("0", 42); |
| assert.sameValue(sample.getFloat64(0), 42, "string '0'"); |
| |
| sample.setFloat64(2, 0); |
| sample.setFloat64("2", 42); |
| assert.sameValue(sample.getFloat64(2), 42, "string '2'"); |
| |
| sample.setFloat64(1, 0); |
| sample.setFloat64(true, 42); |
| assert.sameValue(sample.getFloat64(1), 42, "true"); |
| |
| sample.setFloat64(0, 0); |
| sample.setFloat64(false, 42); |
| assert.sameValue(sample.getFloat64(0), 42, "false"); |
| |
| sample.setFloat64(0, 0); |
| sample.setFloat64(NaN, 42); |
| assert.sameValue(sample.getFloat64(0), 42, "NaN"); |
| |
| sample.setFloat64(0, 0); |
| sample.setFloat64(null, 42); |
| assert.sameValue(sample.getFloat64(0), 42, "null"); |
| |
| sample.setFloat64(0, 0); |
| sample.setFloat64(0.1, 42); |
| assert.sameValue(sample.getFloat64(0), 42, "0.1"); |
| |
| sample.setFloat64(0, 0); |
| sample.setFloat64(0.9, 42); |
| assert.sameValue(sample.getFloat64(0), 42, "0.9"); |
| |
| sample.setFloat64(1, 0); |
| sample.setFloat64(1.1, 42); |
| assert.sameValue(sample.getFloat64(1), 42, "1.1"); |
| |
| sample.setFloat64(1, 0); |
| sample.setFloat64(1.9, 42); |
| assert.sameValue(sample.getFloat64(1), 42, "1.9"); |
| |
| sample.setFloat64(0, 0); |
| sample.setFloat64(-0.1, 42); |
| assert.sameValue(sample.getFloat64(0), 42, "-0.1"); |
| |
| sample.setFloat64(0, 0); |
| sample.setFloat64(-0.99999, 42); |
| assert.sameValue(sample.getFloat64(0), 42, "-0.99999"); |
| |
| sample.setFloat64(0, 0); |
| sample.setFloat64(undefined, 42); |
| assert.sameValue(sample.getFloat64(0), 42, "undefined"); |
| |
| sample.setFloat64(0, 7); |
| sample.setFloat64(); |
| assert.sameValue(sample.getFloat64(0), NaN, "no arg"); |