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

        public void TestGroupFileInDirImportsAGroupDir()
        {
            /*
            dir
                g.stg has a() that imports subdir with relative path
                subdir
                    b.st
                    c.st
             */
            string dir = tmpdir;
            string gstr =
                "import \"subdir\"\n" + // finds subdir in dir
                "a() ::= \"a: <b()>\"\n";
            writeFile(dir, "g.stg", gstr);

            writeFile(dir, "subdir/b.st", "b() ::= \"b: <c()>\"\n");
            writeFile(dir, "subdir/c.st", "c() ::= <<subdir c>>\n");

            TemplateGroup group = new TemplateGroupFile(dir + "/g.stg");
            Template st = group.GetInstanceOf("a");
            string expected = "a: b: subdir c";
            string result = st?.Render();
            Assert.AreEqual(expected, result);
        }