summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-rest-ary-rest.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-rest-ary-rest.js')
-rw-r--r--js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-rest-ary-rest.js51
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-rest-ary-rest.js
new file mode 100644
index 0000000000..9176882e76
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-rest-ary-rest.js
@@ -0,0 +1,51 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
+// - src/dstr-binding/default/async-gen-func-expr.template
+/*---
+description: Rest element containing a rest element (async generator function expression)
+esid: sec-asyncgenerator-definitions-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+ AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
+ AsyncGeneratorBody }
+
+ [...]
+ 3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
+ AsyncGeneratorBody, scope, strict).
+ [...]
+
+
+ 13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+ BindingRestElement : ... BindingPattern
+
+ 1. Let A be ArrayCreate(0).
+ [...]
+ 3. Repeat
+ [...]
+ b. If iteratorRecord.[[done]] is true, then
+ i. Return the result of performing BindingInitialization of
+ BindingPattern with A and environment as the arguments.
+ [...]
+---*/
+var values = [1, 2, 3];
+
+
+var callCount = 0;
+var f;
+f = async function*([...[...x]]) {
+ assert(Array.isArray(x));
+ assert.sameValue(x.length, 3);
+ assert.sameValue(x[0], 1);
+ assert.sameValue(x[1], 2);
+ assert.sameValue(x[2], 3);
+ assert.notSameValue(x, values);
+
+ callCount = callCount + 1;
+};
+
+f(values).next().then(() => {
+ assert.sameValue(callCount, 1, 'invoked exactly once');
+}).then($DONE, $DONE);