@@ -0,0 +1,237 @@
+package org.osgl.util;%0A%0Apublic class StrTest extends StrTestBase%3CStr%3E %7B%0A%0A    @Override%0A    protected Str copyOf(String s) %7B%0A        return Str.of(s);%0A    %7D%0A%0A    @Override%0A    protected Str empty() %7B%0A        return Str.EMPTY_STR;%0A    %7D%0A%7D%0A

add StrTest