From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 16:29:10 +0200
Subject: Adding upstream version 86.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../dflt-params-trailing-comma.js                  | 53 ++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 js/src/tests/test262/language/expressions/async-arrow-function/dflt-params-trailing-comma.js

(limited to 'js/src/tests/test262/language/expressions/async-arrow-function/dflt-params-trailing-comma.js')

diff --git a/js/src/tests/test262/language/expressions/async-arrow-function/dflt-params-trailing-comma.js b/js/src/tests/test262/language/expressions/async-arrow-function/dflt-params-trailing-comma.js
new file mode 100644
index 0000000000..80f5b4f503
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/async-arrow-function/dflt-params-trailing-comma.js
@@ -0,0 +1,53 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-trailing-comma.case
+// - src/function-forms/default/async-arrow-function.template
+/*---
+description: A trailing comma should not increase the respective length, using default parameters (async arrow function expression)
+esid: sec-async-arrow-function-definitions
+features: [async-functions]
+flags: [generated, async]
+info: |
+    14.7 Async Arrow Function Definitions
+
+    AsyncArrowFunction :
+      ...
+      CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody
+
+    AsyncConciseBody :
+      { AsyncFunctionBody }
+
+    ...
+
+    Supplemental Syntax
+
+    When processing an instance of the production AsyncArrowFunction :
+    CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody the interpretation of
+    CoverCallExpressionAndAsyncArrowHead is refined using the following grammar:
+
+    AsyncArrowHead :
+      async ArrowFormalParameters
+
+
+    Trailing comma in the parameters list
+
+    14.1 Function Definitions
+
+    FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] ,
+---*/
+
+
+var callCount = 0;
+
+// Stores a reference `ref` for case evaluation
+var ref = async (a, b = 39,) => {
+  assert.sameValue(a, 42);
+  assert.sameValue(b, 39);
+  callCount = callCount + 1;
+};
+
+ref(42, undefined, 1).then(() => {
+  assert.sameValue(callCount, 1, 'async arrow function invoked exactly once')
+}).then($DONE, $DONE);
+
+assert.sameValue(ref.length, 1, 'length is properly set');
-- 
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