From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../DataView-construct-arguments-detaching.js      | 80 ++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 js/src/tests/non262/extensions/DataView-construct-arguments-detaching.js

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

diff --git a/js/src/tests/non262/extensions/DataView-construct-arguments-detaching.js b/js/src/tests/non262/extensions/DataView-construct-arguments-detaching.js
new file mode 100644
index 0000000000..b542816ee8
--- /dev/null
+++ b/js/src/tests/non262/extensions/DataView-construct-arguments-detaching.js
@@ -0,0 +1,80 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var gTestfile = "DataView-construct-arguments-detaching.js";
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 991981;
+var summary =
+  "new DataView(...) shouldn't misbehave horribly if index-argument " +
+  "conversion detaches the ArrayBuffer to be viewed";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function testByteOffset()
+{
+  var ab = new ArrayBuffer(0x1000);
+
+  var start =
+    {
+      valueOf: function()
+      {
+        detachArrayBuffer(ab);
+        gc();
+        return 0x800;
+      }
+    };
+
+  var ok = false;
+  try
+  {
+    new DataView(ab, start);
+  }
+  catch (e)
+  {
+    ok = true;
+  }
+  assertEq(ok, true, "byteOffset weirdness should have thrown");
+  assertEq(ab.byteLength, 0, "detaching should work for byteOffset weirdness");
+}
+testByteOffset();
+
+function testByteLength()
+{
+  var ab = new ArrayBuffer(0x1000);
+
+  var len =
+    {
+      valueOf: function()
+      {
+        detachArrayBuffer(ab);
+        gc();
+        return 0x800;
+      }
+    };
+
+  var ok = false;
+  try
+  {
+    new DataView(ab, 0x800, len);
+  }
+  catch (e)
+  {
+    ok = true;
+  }
+  assertEq(ok, true, "byteLength weirdness should have thrown");
+  assertEq(ab.byteLength, 0, "detaching should work for byteLength weirdness");
+}
+testByteLength();
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");
-- 
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