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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/function/dstr/ary-init-iter-no-close.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/function/dstr/ary-init-iter-no-close.js')
-rw-r--r-- | js/src/tests/test262/language/statements/function/dstr/ary-init-iter-no-close.js | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/function/dstr/ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/function/dstr/ary-init-iter-no-close.js new file mode 100644 index 0000000000..b747b8e2e2 --- /dev/null +++ b/js/src/tests/test262/language/statements/function/dstr/ary-init-iter-no-close.js @@ -0,0 +1,73 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-init-iter-no-close.case +// - src/dstr-binding/default/func-decl.template +/*--- +description: Iterator is not closed when exhausted by pattern evaluation (function declaration) +esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject +features: [Symbol.iterator, destructuring-binding] +flags: [generated] +info: | + FunctionDeclaration : + function BindingIdentifier ( FormalParameters ) { FunctionBody } + + [...] + 3. Let F be FunctionCreate(Normal, FormalParameters, FunctionBody, + scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ArrayBindingPattern + + [...] + 4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator, + result). + [...] + +---*/ +var doneCallCount = 0; +var iter = {}; +iter[Symbol.iterator] = function() { + return { + next: function() { + return { value: null, done: true }; + }, + return: function() { + doneCallCount += 1; + return {}; + } + }; +}; + +var callCount = 0; +function f([x]) { + assert.sameValue(doneCallCount, 0); + callCount = callCount + 1; +}; +f(iter); +assert.sameValue(callCount, 1, 'function invoked exactly once'); + +reportCompare(0, 0); |