Antlr4.Test.StringTemplate.TestImports.TestImportTemplateFileSameDir C# (CSharp) Метод

        public void TestImportTemplateFileSameDir()
        {
            /*
            dir
                group1.stg		(that imports c.st)
                c.st
             */
            string dir = tmpdir;
            string groupFile =
                "import \"c.st\"\n" +
                "a() ::= \"g1 a\"\n" +
                "b() ::= \"<c()>\"\n";
            writeFile(dir, "group1.stg", groupFile);
            writeFile(dir, "c.st", "c() ::= \"c\"\n");

            TemplateGroup group1 = new TemplateGroupFile(Path.Combine(dir, "group1.stg"));
            Template st = group1.GetInstanceOf("c"); // should see c()
            string expected = "c";
            string result = st?.Render();
            Assert.AreEqual(expected, result);
        }