testcase for 'inheriting' strictness from containing function

testcases/test-dev-strict-inherit.js

@@ -0,0 +1,48 @@
+/*===
+true
+SyntaxError
+true
+===*/
+
+/* An inner function or an eval call of a strict function is automatically
+ * strict, even without an explicit use strict declaration.
+ *
+ * A strict function 'this' binding is undefined; a non-strict function has
+ * the global object as its 'this' binding (when called as a plain function).
+ * Thus, '!this' is true for strict code, and false for non-strict code.
+ *
+ * Also, 'delete' for an unresolvable identifier is a SyntaxError in strict
+ * code but returns false in non-strict code.
+ */
+
+//print=console.log;
+
+function outer_strict() {
+    'use strict';
+    var foo = 1;
+
+    try {
+        print(!this);
+    } catch (e) {
+        print(e.name);
+    }
+
+    try {
+        print(eval("delete foo"));
+    } catch (e) {
+        print(e.name);
+    }
+
+    function inner() {
+        try {
+            print(!this);
+        } catch (e) {
+            print(e.name);
+        }
+    }
+
+    inner();
+}
+
+outer_strict();
+