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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-of/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 '')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/head-let-destructuring.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/head-let-destructuring.js b/js/src/tests/test262/language/statements/for-of/head-let-destructuring.js new file mode 100644 index 0000000000..38a486c702 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/head-let-destructuring.js @@ -0,0 +1,30 @@ +// 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-for-in-and-for-of-statements +es6id: 13.7.5 +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] of + AssignmentExpression[+In, ?Yield] ) Statement[?Yield, ?Return] + + for ( ForDeclaration[?Yield] of AssignmentExpression[+In, ?Yield] ) + Statement[?Yield, ?Return] +---*/ + +var value; + +for ( let[x] of [[34]] ) { + value = x; +} + +assert.sameValue(typeof x, 'undefined', 'binding is block-scoped'); +assert.sameValue(value, 34); + +reportCompare(0, 0); |