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Implement DataView.prototype.{set, get}Big{U}int64 methods (#4315)

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Co-authored by Adam Szilagyi aszilagy@inf.u-szeged.hu

JerryScript-DCO-1.0-Signed-off-by: Csaba Osztrogonác csaba.osztrogonac@h-lab.eu
This commit is contained in:
Csaba Osztrogonác
2020-10-28 11:46:52 +01:00
committed by GitHub
parent 2007188373
commit 3115d4dc16
7 changed files with 77 additions and 48 deletions
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tests/jerry/es.next/dataview.js
+14
View File
@@ -194,6 +194,8 @@ buffer = new ArrayBuffer (24);
view1 = new DataView (buffer);
view2 = new DataView (buffer, 4, 12);
view3 = new DataView (buffer, 6, 18);
view4 = new DataView (buffer);
view5 = new DataView (buffer);
view1.setUint8 (0, 255);
validateResult(view1, 0, false, [-1, 255, -256, 65280, -16777216, 4278190080, -1.7014118346046924e+38, -5.486124068793689e+303]);
@@ -219,6 +221,18 @@ validateResult(view3, 4, true, [65, 65, 2113, 2113, 2113, 2113, 2.96094365511833
validateResult(view2, 4, false, [-48, 208, -12110, 53426, -793624312, 3501342984, -23924850688, -5.411000515087672e+80]);
validateResult(view2, 4, true, [-48, 208, -19760, 45776, 138523344, 138523344, 5.828901796903399e-34, 6.84396254e-316]);
view4.setBigInt64 (0, 2n);
assert(view4.getBigInt64(0) === 2n);
view4.setBigInt64 (1, -2n);
assert(view4.getBigInt64(1) === -2n);
assert(view4.getBigUint64(1) === 18446744073709551614n);
view5.setBigUint64 (0, 2n);
assert(view5.getBigUint64(0) === 2n);
view5.setBigUint64 (1, -2n);
assert(view5.getBigUint64(1) === 18446744073709551614n);
assert(view5.getBigInt64(1) === -2n);
/* Second and third arguments can be "undefined" and there should be no error. */
var arrayBufferOk = new ArrayBuffer (12);