Add some limited tests for new system property.
* argv is a list of all parameters passed to the interpreter.
* The first element is always the script name
*/
+assert(type(System.argv) == 'list');
+assert(len(System.argv) > 0);
assert(System.argv[0] == "tests/runTests.du");
+
+
+/**
+ * platform stores the current OS platform as a string
+ */
+assert(type(System.platform) == 'string');
+assert(len(System.platform) > 0);
\ No newline at end of file
