Adding three more sections, by igor@fastmail.fm.

js/tests/js1_5/Regress/regress-225831.js

@@ -52,24 +52,76 @@ var expect= '';
 var expectedvalues = [];
 
 
-// build string of the form ++(a[++f().x + ++f().x + ... + ++f().x])
-
 function f() { return {x: 0}; }
 
 var N = 300;
 var a = new Array(N + 1);
 a[N] = 10;
+a[0] = 100;
 
+
+status = inSection(1);
+
+// build string of the form ++(a[++f().x + ++f().x + ... + ++f().x]) which
+// gives ++a[N]
 var str = "".concat("++(a[", repeat_str("++f().x + ", (N - 1)), "++f().x])");
+
+// Use Script constructor instead of simple eval to test Rhino optimizer mode
+// because in Rhino, eval always uses interpreted mode.
 var script = new Script(str);
 script();
 
-status = inSection(1);
 actual = a[N];
 expect = 11;
 addThis();
 
 
+status = inSection(2);
+
+// build string of the form (a[f().x-- + f().x-- + ... + f().x--])--
+// which should give (a[0])--
+str = "".concat("(a[", repeat_str("f().x-- + ", (N - 1)), "f().x--])--");
+script = new Script(str);
+script();
+
+actual = a[0];
+expect = 99;
+addThis();
+
+
+status = inSection(3);
+
+// build string of the form [[1], [1], ..., [1]]
+str = "".concat("[", repeat_str("[1], ", (N - 1)), "[1]]");
+script = new Script(str);
+script();
+
+actual = uneval(script());
+expect = str;
+addThis();
+
+
+status = inSection(4);
+
+// build string of the form ({1:({a:1}), 2:({a:1}), ... N:({a:1})})
+str = function() {
+  var arr = new Array(N+1);
+  arr[0] = "({";
+  for (var i = 1; i < N; ++i) {
+    arr[i] = i+":({a:1}), ";
+  }
+  arr[N] = N+":({a:1})})";
+  return "".concat.apply("", arr);
+}();
+
+script = new Script(str);
+script();
+
+actual = uneval(script());
+expect = str;
+addThis();
+
+
 
 
 //-----------------------------------------------------------------------------