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>
---
 .../extensions/DataView-set-arguments-detaching.js | 84 ++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 js/src/tests/non262/extensions/DataView-set-arguments-detaching.js

(limited to 'js/src/tests/non262/extensions/DataView-set-arguments-detaching.js')

diff --git a/js/src/tests/non262/extensions/DataView-set-arguments-detaching.js b/js/src/tests/non262/extensions/DataView-set-arguments-detaching.js
new file mode 100644
index 0000000000..0f1df608f4
--- /dev/null
+++ b/js/src/tests/non262/extensions/DataView-set-arguments-detaching.js
@@ -0,0 +1,84 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var gTestfile = "DataView-set-arguments-detaching.js";
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 991981;
+var summary =
+  "DataView.prototype.set* methods shouldn't misbehave horribly if " +
+  "index-argument conversion detaches the ArrayBuffer being modified";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function testIndex()
+{
+  var ab = new ArrayBuffer(0x1000);
+
+  var dv = new DataView(ab);
+
+  var start =
+    {
+      valueOf: function()
+      {
+        detachArrayBuffer(ab);
+        gc();
+        return 0xFFF;
+      }
+    };
+
+  var ok = false;
+  try
+  {
+    dv.setUint8(start, 0x42);
+  }
+  catch (e)
+  {
+    ok = true;
+  }
+  assertEq(ok, true, "should have thrown");
+  assertEq(ab.byteLength, 0, "should have been detached correctly");
+}
+testIndex();
+
+function testValue()
+{
+  var ab = new ArrayBuffer(0x100000);
+
+  var dv = new DataView(ab);
+
+  var value =
+    {
+      valueOf: function()
+      {
+        detachArrayBuffer(ab);
+        gc();
+        return 0x42;
+      }
+    };
+
+  var ok = false;
+  try
+  {
+    dv.setUint8(0xFFFFF, value);
+  }
+  catch (e)
+  {
+    ok = true;
+  }
+  assertEq(ok, true, "should have thrown");
+  assertEq(ab.byteLength, 0, "should have been detached correctly");
+}
+testValue();
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");
-- 
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