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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/language/statements/for-in/head-let-destructuring.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/language/statements/for-in/head-let-destructuring.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-in/head-let-destructuring.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-in/head-let-destructuring.js b/js/src/tests/test262/language/statements/for-in/head-let-destructuring.js new file mode 100644 index 0000000000..c9465b8b7a --- /dev/null +++ b/js/src/tests/test262/language/statements/for-in/head-let-destructuring.js @@ -0,0 +1,33 @@ +// 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-iteration-statements +es6id: 13.7 +description: > + The token sequence `let [`is interpreted as the beginning of a destructuring + binding pattern +info: | + Syntax + + IterationStatement[Yield, Return]: + + for ( [lookahead ∉ { let [ } ] LeftHandSideExpression[?Yield] in + Expression[+In, ?Yield] ) Statement[?Yield, ?Return] + + for ( ForDeclaration[?Yield] in Expression[+In, ?Yield] ) + Statement[?Yield, ?Return] +---*/ + +var obj = Object.create(null); +var value; + +obj.key = 1; + +for ( let[x] in obj ) { + value = x; +} + +assert.sameValue(typeof x, 'undefined', 'binding is block-scoped'); +assert.sameValue(value, 'k'); + +reportCompare(0, 0); |