test/langtools/tools/javac/switchexpr/CRT.java

*** 1,7 ****
  /*
!  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 46,55 ****
--- 46,57 ----
  public class CRT {
      public static void main(String... args) throws Exception {
          new CRT().run();
      }
  
+     private static final String SOURCE_VERSION = Integer.toString(Runtime.version().feature());
+ 
      private ToolBox tb = new ToolBox();
  
      private void run() throws Exception {
          doTest("    private String convert(int i) {\n" +
                 "        String res;" +
*** 149,159 ****
          tb.createDirectories(classes);
          tb.cleanDirectory(classes);
          new JavacTask(tb)
                  .options("-Xjcov",
                           "--enable-preview",
!                          "-source", "13")
                  .outdir(classes)
                  .sources("public class Test {\n" +
                           code +
                           "}\n")
                  .run()
--- 151,161 ----
          tb.createDirectories(classes);
          tb.cleanDirectory(classes);
          new JavacTask(tb)
                  .options("-Xjcov",
                           "--enable-preview",
!                          "-source", SOURCE_VERSION)
                  .outdir(classes)
                  .sources("public class Test {\n" +
                           code +
                           "}\n")
                  .run()