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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/async-generator/dflt-params-arg-val-undefined.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/async-generator/dflt-params-arg-val-undefined.js')
-rw-r--r-- | js/src/tests/test262/language/statements/async-generator/dflt-params-arg-val-undefined.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dflt-params-arg-val-undefined.js b/js/src/tests/test262/language/statements/async-generator/dflt-params-arg-val-undefined.js new file mode 100644 index 0000000000..614a523460 --- /dev/null +++ b/js/src/tests/test262/language/statements/async-generator/dflt-params-arg-val-undefined.js @@ -0,0 +1,48 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/function-forms/dflt-params-arg-val-undefined.case +// - src/function-forms/default/async-gen-func-decl.template +/*--- +description: Use of initializer when argument value is `undefined` (async generator function declaration) +esid: sec-asyncgenerator-definitions-instantiatefunctionobject +features: [default-parameters, async-iteration] +flags: [generated, async] +info: | + AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier + ( FormalParameters ) { AsyncGeneratorBody } + + [...] + 3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody, + scope, strict). + [...] + + + 14.1.19 Runtime Semantics: IteratorBindingInitialization + + FormalsList : FormalsList , FormalParameter + + [...] + 23. Let iteratorRecord be Record {[[Iterator]]: + CreateListIterator(argumentsList), [[Done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + a. Perform ? IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + +---*/ + + +var callCount = 0; +// Stores a reference `ref` for case evaluation +async function* ref(fromLiteral = 23, fromExpr = 45, fromHole = 99) { + assert.sameValue(fromLiteral, 23); + assert.sameValue(fromExpr, 45); + assert.sameValue(fromHole, 99); + callCount = callCount + 1; +} + +ref(undefined, void 0).next().then(() => { + assert.sameValue(callCount, 1, 'generator function invoked exactly once'); +}).then($DONE, $DONE); |