Antlr4.StringTemplate.TemplateGroupFile.Unload C# (CSharp) Method

        public override void Unload()
        {
            lock (this)
            {
                base.Unload();
                _alreadyLoaded = false;
            }
        }

        public void TestUnloadWithImports()
        {
            writeFile(tmpdir, "t.stg",
                    "import \"g1.stg\"\n\nmain() ::= <<\nv1-<f()>\n>>");
            writeFile(tmpdir, "g1.stg", "f() ::= \"g1\"");
            writeFile(tmpdir, "g2.stg", "f() ::= \"g2\"\nf2() ::= \"f2\"\n");
            TemplateGroup group = new TemplateGroupFile(Path.Combine(tmpdir, "t.stg"));
            Template st = group.GetInstanceOf("main");
            Assert.AreEqual("v1-g1", st.Render());

            // Change the text of group t, including the imports.
            writeFile(tmpdir, "t.stg", "import \"g2.stg\"\n\nmain() ::= <<\nv2-<f()>;<f2()>\n>>");
            group.Unload();
            st = group.GetInstanceOf("main");
            Assert.AreEqual("v2-g2;f2", st.Render());
        }