From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../destructuring/rest-with-trailing-comma.js      | 45 ++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 js/src/tests/non262/destructuring/rest-with-trailing-comma.js

(limited to 'js/src/tests/non262/destructuring/rest-with-trailing-comma.js')

diff --git a/js/src/tests/non262/destructuring/rest-with-trailing-comma.js b/js/src/tests/non262/destructuring/rest-with-trailing-comma.js
new file mode 100644
index 0000000000..310180e14b
--- /dev/null
+++ b/js/src/tests/non262/destructuring/rest-with-trailing-comma.js
@@ -0,0 +1,45 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const invalidSyntax = [
+    "[...r, ]",
+    "[a, ...r, ]",
+    "[a = 0, ...r, ]",
+    "[[], ...r, ]",
+    "[[...r,]]",
+    "[[...r,], ]",
+    "[[...r,], a]",
+];
+
+const validSyntax = [
+    "[, ]",
+    "[a, ]",
+    "[[], ]",
+];
+
+const destructuringForms = [
+    a => `${a} = [];`,
+    a => `var ${a} = [];`,
+    a => `let ${a} = [];`,
+    a => `const ${a} = [];`,
+    a => `(${a}) => {};`,
+    a => `(${a} = []) => {};`,
+    a => `function f(${a}) {}`,
+];
+
+for (let invalid of invalidSyntax) {
+    for (let fn of destructuringForms) {
+        assertThrowsInstanceOf(() => Function(fn(invalid)), SyntaxError);
+    }
+}
+
+for (let invalid of validSyntax) {
+    for (let fn of destructuringForms) {
+        Function(fn(invalid));
+    }
+}
+
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0);
-- 
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