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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-init-iter-no-close.js
parentInitial commit. (diff)
downloadfirefox-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/dstr/dflt-ary-init-iter-no-close.js')
-rw-r--r--js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-init-iter-no-close.js52
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diff --git a/js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-init-iter-no-close.js
new file mode 100644
index 0000000000..e8e41b61f0
--- /dev/null
+++ b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-init-iter-no-close.js
@@ -0,0 +1,52 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-init-iter-no-close.case
+// - src/dstr-binding/default/async-gen-func-decl-dflt.template
+/*---
+description: Iterator is not closed when exhausted by pattern evaluation (async generator function declaration (default parameter))
+esid: sec-asyncgenerator-definitions-instantiatefunctionobject
+features: [Symbol.iterator, 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).
+ [...]
+
+
+ 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;
+async function* f([x] = iter) {
+ assert.sameValue(doneCallCount, 0);
+ callCount = callCount + 1;
+};
+f().next().then(() => {
+ assert.sameValue(callCount, 1, 'invoked exactly once');
+}).then($DONE, $DONE);