Antlr4.Test.StringTemplate.TestImports.TestImportTemplateInGroupFileFromGroupFile C# (CSharp) Method

        public void TestImportTemplateInGroupFileFromGroupFile()
        {
            string dir = tmpdir;
            string groupFile =
                "a() ::= \"g1 a\"\n" +
                "b() ::= \"<c()>\"\n";
            writeFile(dir, Path.Combine("x", "group.stg"), groupFile);

            groupFile =
                "b() ::= \"g2 b\"\n" +
                "c() ::= \"g2 c\"\n";
            writeFile(dir, Path.Combine("y", "group.stg"), groupFile);

            TemplateGroup group1 = new TemplateGroupFile(Path.Combine(dir, "x", "group.stg"));
            TemplateGroup group2 = new TemplateGroupFile(Path.Combine(dir, "y", "group.stg"));
            group1.ImportTemplates(group2);
            Template st = group1.GetInstanceOf("b");
            string expected = "g2 c";
            string result = st?.Render();
            Assert.AreEqual(expected, result);
        }