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>
---
 js/src/tests/non262/Scope/regress-181834.js | 146 ++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 js/src/tests/non262/Scope/regress-181834.js

(limited to 'js/src/tests/non262/Scope/regress-181834.js')

diff --git a/js/src/tests/non262/Scope/regress-181834.js b/js/src/tests/non262/Scope/regress-181834.js
new file mode 100644
index 0000000000..9b0fe071f1
--- /dev/null
+++ b/js/src/tests/non262/Scope/regress-181834.js
@@ -0,0 +1,146 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* 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/. */
+
+/*
+ *
+ * Date:    25 November 2002
+ * SUMMARY: Testing scope
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=181834
+ *
+ * This bug only bit in Rhino interpreted mode, when the
+ * 'compile functions with dynamic scope' feature was set.
+ *
+ */
+//-----------------------------------------------------------------------------
+var UBound = 0;
+var BUGNUMBER = 181834;
+var summary = 'Testing scope';
+var status = '';
+var statusitems = [];
+var actual = '';
+var actualvalues = [];
+var expect= '';
+var expectedvalues = [];
+
+
+/*
+ * If N<=0, |outer_d| just gets incremented once,
+ * so the return value should be 1 in this case.
+ *
+ * If N>0, we end up calling inner() N+1 times:
+ * inner(N), inner(N-1), ... , inner(0).
+ *
+ * Each call to inner() increments |outer_d| by 1.
+ * The last call, inner(0), returns the final value
+ * of |outer_d|, which should be N+1.
+ */
+function outer(N)
+{
+  var outer_d = 0;
+  return inner(N);
+
+  function inner(level)
+  {
+    outer_d++;
+
+    if (level > 0)
+      return inner(level - 1);
+    else
+      return outer_d;
+  }
+}
+
+
+/*
+ * This only has meaning in Rhino -
+ */
+setDynamicScope(true);
+
+/*
+ * Recompile the function |outer| via eval() in order to
+ * feel the effect of the dynamic scope mode we have set.
+ */
+var s = outer.toString();
+eval(s);
+
+status = inSection(1);
+actual = outer(-5);
+expect = 1;
+addThis();
+
+status = inSection(2);
+actual = outer(0);
+expect = 1;
+addThis();
+
+status = inSection(3);
+actual = outer(5);
+expect = 6;
+addThis();
+
+
+/*
+ * Sanity check: do same steps with the dynamic flag off
+ */
+setDynamicScope(false);
+
+/*
+ * Recompile the function |outer| via eval() in order to
+ * feel the effect of the dynamic scope mode we have set.
+ */
+eval(s);
+
+status = inSection(4);
+actual = outer(-5);
+expect = 1;
+addThis();
+
+status = inSection(5);
+actual = outer(0);
+expect = 1;
+addThis();
+
+status = inSection(6);
+actual = outer(5);
+expect = 6;
+addThis();
+
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+
+
+function setDynamicScope(flag)
+{
+  if (this.Packages)
+  {
+    var cx = this.Packages.org.mozilla.javascript.Context.getCurrentContext();
+    cx.setCompileFunctionsWithDynamicScope(flag);
+  }
+}
+
+
+function addThis()
+{
+  statusitems[UBound] = status;
+  actualvalues[UBound] = actual;
+  expectedvalues[UBound] = expect;
+  UBound++;
+}
+
+
+function test()
+{
+  printBugNumber(BUGNUMBER);
+  printStatus(summary);
+
+  for (var i=0; i<UBound; i++)
+  {
+    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
+  }
+}
-- 
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