Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright 2009 Sun Microsystems, Inc.  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.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

  * CA 95054 USA or visit www.sun.com if you need additional information or

  * have any questions.

  */

 /* @test

  * @bug 6813059

  * @summary

  */

 import java.io.*;

 import java.util.*;

 // Simple test of -XDshouldStopPolicy.

 // For each of the permissable values, we compile a file with an error in it,

 // then using -XDverboseCompilePolicy we check that the compilation gets as

 // far as expected, but no further.

 public class Test {

     enum ShouldStopPolicy {

         BLANK(false, null, "attr"),

         PROCESS(true, null, "attr"),

         ATTR(true, "attr", "flow"),

         FLOW(true, "flow", "desugar"),

         TRANSTYPES(true, "desugar", "generate"),

         LOWER(true, "desugar", "generate"),

         GENERATE(true, "generate", null);

         ShouldStopPolicy(boolean needOption, String expect, String dontExpect) {

             this.needOption = needOption;

             this.expect = expect;

             this.dontExpect = dontExpect;

         }

         boolean needOption;

         String expect;

         String dontExpect;

     }

     enum CompilePolicy {

         BYFILE,

         BYTODO

     }

     public static void main(String... args) throws Exception {

         new Test().run();

     }

     public void run() throws Exception {

         for (CompilePolicy cp: CompilePolicy.values()) {

             for (ShouldStopPolicy ssp: ShouldStopPolicy.values()) {

                 test(cp, ssp);

             }

         }

         if (errors > 0)

             throw new Exception(errors + " errors occurred");

     }

     public void test(CompilePolicy cp, ShouldStopPolicy ssp) {

         System.err.println();

         System.err.println("test " + cp + " " + ssp);

         List<String> args = new ArrayList<String>();

         args.add("-XDverboseCompilePolicy");

         args.add("-XDcompilePolicy=" + cp.toString().toLowerCase());

         args.add("-d");

         args.add(".");

         if (ssp.needOption)

             args.add("-XDshouldStopPolicy=" + ssp);

         args.add(new File(System.getProperty("test.src", "."), "A.java").getPath());

         StringWriter sw = new StringWriter();

         PrintWriter pw = new PrintWriter(sw);

         System.err.println("compile " + args);

         int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]), pw);

         if (rc == 0)

             throw new Error("compilation succeeded unexpectedly");

         //System.err.println(sw);

         // The following is a workaround for the current javac implementation,

         // that in bytodo mode, it will still attribute files after syntax errors.

         // Changing that behavior may surprise existing users, so for now, we

         // work around it.

         if (cp == CompilePolicy.BYTODO && ssp == ShouldStopPolicy.PROCESS)

             ssp = ShouldStopPolicy.ATTR;

         boolean foundExpected = (ssp.expect == null);

         String[] lines = sw.toString().split("\n");

         for (String line: lines) {

             if (ssp.expect != null && line.startsWith("[" + ssp.expect))

                 foundExpected = true;

             if (ssp.dontExpect != null && line.startsWith("[" + ssp.dontExpect)) {

                 error("Unexpected output: " + ssp.dontExpect + "\n" + sw);

                 return;

             }

         }

         if (!foundExpected)

             error("Expected output not found: " + ssp.expect + "\n" + sw);

     }

     void error(String message) {

         System.err.println(message);

         errors++;

     }

     int errors;

 }

 // These tests test the ability of the compiler to continue in the face of

 // errors, accordining to the shouldStopPolicy

 /* @ test /nodynamiccopyright/

  * @bug 6813059

  * @summary

  * @compile/fail/ref=flow.out       -XDrawDiagnostics -XDcompilePolicy=byfile -XDverboseCompilePolicy -XDshouldStopPolicy=FLOW       Test.java

  * @compile/fail/ref=default.out    -XDrawDiagnostics -XDcompilePolicy=byfile -XDverboseCompilePolicy                                Test.java

  * @compile/fail/ref=enter.out      -XDrawDiagnostics -XDcompilePolicy=byfile -XDverboseCompilePolicy -XDshouldStopPolicy=ENTER      Test.java

  * @compile/fail/ref=attr.out       -XDrawDiagnostics -XDcompilePolicy=byfile -XDverboseCompilePolicy -XDshouldStopPolicy=ATTR       Test.java

  * @compile/fail/ref=transtypes.out -XDrawDiagnostics -XDcompilePolicy=byfile -XDverboseCompilePolicy -XDshouldStopPolicy=TRANSTYPES Test.java

  * @compile/fail/ref=lower.out      -XDrawDiagnostics -XDcompilePolicy=byfile -XDverboseCompilePolicy -XDshouldStopPolicy=LOWER      Test.java

  * @compile/fail/ref=generate.out   -XDrawDiagnostics -XDcompilePolicy=byfile -XDverboseCompilePolicy -XDshouldStopPolicy=GENERATE   Test.java

  */

 /*

 class Test {

     void m1() {

         System.err.println("hello");

         0 // syntax error

         System.err.println("world");

     }

     void m2() {

     }

 }

 class Test2 {

 }

 */