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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/DataView/prototype/getFloat64/return-infinity.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/DataView/prototype/getFloat64/return-infinity.js b/js/src/tests/test262/built-ins/DataView/prototype/getFloat64/return-infinity.js new file mode 100644 index 0000000000..b7fbfce2cb --- /dev/null +++ b/js/src/tests/test262/built-ins/DataView/prototype/getFloat64/return-infinity.js @@ -0,0 +1,54 @@ +// 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.getfloat64 +description: > + Return Infinity values +info: | + 24.2.4.6 DataView.prototype.getFloat64 ( 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, "Float64"). + + 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] +---*/ + +var buffer = new ArrayBuffer(8); +var sample = new DataView(buffer, 0); + +sample.setUint8(0, 127); +sample.setUint8(1, 240); +sample.setUint8(2, 0); +sample.setUint8(3, 0); +sample.setUint8(4, 0); +sample.setUint8(5, 0); +sample.setUint8(6, 0); +sample.setUint8(7, 0); +assert.sameValue(sample.getFloat64(0), Infinity); + +sample.setUint8(0, 255); +sample.setUint8(1, 240); +sample.setUint8(2, 0); +sample.setUint8(3, 0); +sample.setUint8(4, 0); +sample.setUint8(5, 0); +sample.setUint8(6, 0); +sample.setUint8(7, 0); +assert.sameValue(sample.getFloat64(0), -Infinity); + +reportCompare(0, 0); |