1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/non_syntactic.js b/js/src/tests/non262/extensions/non_syntactic.js
new file mode 100644
index 0000000000..941229df39
--- /dev/null
+++ b/js/src/tests/non262/extensions/non_syntactic.js
@@ -0,0 +1,39 @@
+// |reftest| skip-if(!xulRuntime.shell) -- needs evaluate()
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+// Check references to someVar, both as a variable and on |this|, in
+// various evaluation contexts.
+var someVar = 1;
+
+// Top level.
+assertEq(someVar, 1);
+assertEq(this.someVar, 1);
+
+// Inside evaluate.
+evaluate("assertEq(someVar, 1);");
+evaluate("assertEq(this.someVar, 1);");
+
+// With an object on the scope, no shadowing.
+var someObject = { someOtherField: 2 };
+var evalOpt = { envChainObject: someObject };
+evaluate("assertEq(someVar, 1);", evalOpt);
+evaluate("assertEq(this.someVar, undefined);", evalOpt);
+
+// With an object on the scope, shadowing global.
+someObject = { someVar: 2 };
+evalOpt = { envChainObject: someObject };
+var alsoSomeObject = someObject;
+evaluate("assertEq(someVar, 2);", evalOpt);
+evaluate("assertEq(this.someVar, 2);", evalOpt);
+evaluate("assertEq(this, alsoSomeObject);", evalOpt);
+
+// With an object on the scope, inside a function.
+evaluate("(function() { assertEq(someVar, 2);})()", evalOpt);
+evaluate("(function() { assertEq(this !== alsoSomeObject, true);})()", evalOpt);
+evaluate("(function() { assertEq(this.someVar, 1);})()", evalOpt);
+
+// `this` is ShellWindowProxy instead of GlobalObject, and it's allowed.
+evaluate("assertEq(someVar, 1);", { envChainObject: this });
+
+reportCompare(true, true);