mirror of https://github.com/tc39/test262.git
59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
// Copyright (C) 2020 Rick Waldron. All rights reserved.
|
||
// This code is governed by the BSD license found in the LICENSE file.
|
||
|
||
/*---
|
||
info: |
|
||
White Space and Line Terminator between LeftHandSideExpression and "@="
|
||
or between "@=" and AssignmentExpression are allowed
|
||
esid: sec-assignment-operators
|
||
description: Checking by evaluating expression "x[...]??=[...]y"
|
||
features: [logical-assignment-operators]
|
||
---*/
|
||
var x;
|
||
|
||
x = null;
|
||
assert.sameValue(x ??= 1, 1, 'U+0009 (expression)');
|
||
assert.sameValue(x, 1, 'U+0009 (side effect)');
|
||
|
||
x = null;
|
||
assert.sameValue(x ??= 1, 1, 'U+000B (expression)');
|
||
assert.sameValue(x, 1, 'U+000B (side effect)');
|
||
|
||
x = null;
|
||
assert.sameValue(x ??= 1, 1, 'U+000C (expression)');
|
||
assert.sameValue(x, 1, 'U+000C (side effect)');
|
||
|
||
x = null;
|
||
assert.sameValue(x ??= 1, 1, 'U+0020 (expression)');
|
||
assert.sameValue(x, 1, 'U+0020 (side effect)');
|
||
|
||
x = null;
|
||
assert.sameValue(x ??= 1, 1, 'U+00A0 (expression)');
|
||
assert.sameValue(x, 1, 'U+00A0 (side effect)');
|
||
|
||
x = null;
|
||
assert.sameValue(x
|
||
??=
|
||
1, 1, 'U+000A (expression)');
|
||
assert.sameValue(x, 1, 'U+000A (side effect)');
|
||
|
||
x = null;
|
||
assert.sameValue(x
|
||
??=
|
||
1, 1, 'U+000D (expression)');
|
||
assert.sameValue(x, 1, 'U+000D (side effect)');
|
||
|
||
x = null;
|
||
assert.sameValue(x
??=
1, 1, 'U+2028 (expression)');
|
||
assert.sameValue(x, 1, 'U+2028 (side effect)');
|
||
|
||
x = null;
|
||
assert.sameValue(x
??=
1, 1, 'U+2029 (expression)');
|
||
assert.sameValue(x, 1, 'U+2029 (side effect)');
|
||
|
||
x = null;
|
||
assert.sameValue(x
|
||
??=
|
||
1, 1, 'U+0009U+000BU+000CU+0020U+00A0U+000AU+000DU+2028U+2029 (expression)');
|
||
assert.sameValue(x, 1, 'U+0009U+000BU+000CU+0020U+00A0U+000AU+000DU+2028U+2029 (side effect)');
|