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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/expressions/yield/star-rhs-iter-nrml-next-invoke.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/expressions/yield/star-rhs-iter-nrml-next-invoke.js')
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diff --git a/js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-next-invoke.js b/js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-next-invoke.js
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+++ b/js/src/tests/test262/language/expressions/yield/star-rhs-iter-nrml-next-invoke.js
@@ -0,0 +1,54 @@
+// 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-generator-function-definitions-runtime-semantics-evaluation
+es6id: 14.4.14
+description: Invocation of iterator `next` method
+info: |
+ YieldExpression : yield * AssignmentExpression
+
+ 1. Let exprRef be the result of evaluating AssignmentExpression.
+ 2. Let value be ? GetValue(exprRef).
+ 3. Let iterator be ? GetIterator(value).
+ 4. Let received be NormalCompletion(undefined).
+ 5. Repeat
+ a. If received.[[Type]] is normal, then
+ i. Let innerResult be ? IteratorNext(iterator, received.[[Value]]).
+
+ 7.4.2 IteratorNext
+
+ 1. If value was not passed, then
+ [...]
+ 2. Else,
+ a. Let result be ? Invoke(iterator, "next", « value »).
+ [...]
+features: [generators, Symbol.iterator]
+---*/
+
+var args, thisValue;
+var callCount = 0;
+var spyIterator = {
+ next: function() {
+ callCount += 1;
+ args = arguments;
+ thisValue = this;
+ return { done: true };
+ }
+};
+var spyIterable = {};
+spyIterable[Symbol.iterator] = function() {
+ return spyIterator;
+};
+function* g() {
+ yield * spyIterable;
+}
+var iter = g();
+
+iter.next(9876);
+
+assert.sameValue(callCount, 1);
+assert.sameValue(args.length, 1);
+assert.sameValue(args[0], undefined);
+assert.sameValue(thisValue, spyIterator);
+
+reportCompare(0, 0);