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Diffstat (limited to 'js/src/tests/test262/built-ins/DataView/prototype/getInt32/return-values-custom-offset-sab.js')
-rw-r--r-- | js/src/tests/test262/built-ins/DataView/prototype/getInt32/return-values-custom-offset-sab.js | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/DataView/prototype/getInt32/return-values-custom-offset-sab.js b/js/src/tests/test262/built-ins/DataView/prototype/getInt32/return-values-custom-offset-sab.js new file mode 100644 index 0000000000..f917d7cad2 --- /dev/null +++ b/js/src/tests/test262/built-ins/DataView/prototype/getInt32/return-values-custom-offset-sab.js @@ -0,0 +1,61 @@ +// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally +// 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: > + Return values from Buffer using a custom offset +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 ) + + ... + 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: [SharedArrayBuffer] +---*/ + +var buffer = new SharedArrayBuffer(12); +var sample = new DataView(buffer, 0); + +sample.setUint8(0, 39); +sample.setUint8(1, 2); +sample.setUint8(2, 6); +sample.setUint8(3, 2); +sample.setUint8(4, 128); +sample.setUint8(5, 0); +sample.setUint8(6, 128); +sample.setUint8(7, 1); +sample.setUint8(8, 127); +sample.setUint8(9, 0); +sample.setUint8(10, 127); +sample.setUint8(11, 1); + +sample = new DataView(buffer, 4); + +assert.sameValue(sample.getInt32(0, false), -2147450879, "0, false"); +assert.sameValue(sample.getInt32(1, false), 8388991, "1, false"); +assert.sameValue(sample.getInt32(2, false), -2147385600, "2, false"); +assert.sameValue(sample.getInt32(3, false), 25100415, "3, false"); + +assert.sameValue(sample.getInt32(0, true), 25165952, "0, true"); +assert.sameValue(sample.getInt32(1, true), 2130804736, "1, true"); +assert.sameValue(sample.getInt32(2, true), 8323456, "2, true"); +assert.sameValue(sample.getInt32(3, true), 2130738945, "3, true"); + +reportCompare(0, 0); |