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

        public void TestImportTemplateInGroupFileFromDir()
        {
            string dir = tmpdir;
            string a = "a() ::= << <b()> >>\n";
            writeFile(dir, "x/a.st", a);

            string groupFile =
                "b() ::= \"group file b\"\n" +
                "c() ::= \"group file c\"\n";
            writeFile(dir, Path.Combine("y", "group.stg"), groupFile);

            TemplateGroup group1 = new TemplateGroupDirectory(Path.Combine(dir, "x"));
            TemplateGroup group2 = new TemplateGroupFile(Path.Combine(dir, "y", "group.stg"));
            group1.ImportTemplates(group2);
            Template st = group1.GetInstanceOf("a");
            st.impl.Dump();
            string expected = " group file b ";
            string result = st?.Render();
            Assert.AreEqual(expected, result);
        }