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>
---
 .../tests/proxy/testDirectProxySetArray3.js         | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 js/src/jit-test/tests/proxy/testDirectProxySetArray3.js

(limited to 'js/src/jit-test/tests/proxy/testDirectProxySetArray3.js')

diff --git a/js/src/jit-test/tests/proxy/testDirectProxySetArray3.js b/js/src/jit-test/tests/proxy/testDirectProxySetArray3.js
new file mode 100644
index 0000000000..44bbcd99b4
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxySetArray3.js
@@ -0,0 +1,21 @@
+// Assigning to the length property of a proxy to an array
+// calls the proxy's defineProperty handler.
+
+var a = [0, 1, 2, 3];
+var p = new Proxy(a, {
+    defineProperty(t, id, desc) {
+        hits++;
+
+        // ES6 draft rev 28 (2014 Oct 14) 9.1.9 step 5.e.i.
+        // Since the property already exists, the system only changes
+        // the value. desc is otherwise empty.
+        assertEq(Object.getOwnPropertyNames(desc).join(","), "value");
+        assertEq(desc.value, 2);
+        return true;
+    }
+});
+var hits = 0;
+p.length = 2;
+assertEq(hits, 1);
+assertEq(a.length, 4);
+assertEq(a[2], 2);
-- 
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