jdk8-mips64-public/langtools: test/tools/javac/nativeHeaders/NativeHeaderTest.java@f5e5ca7505e2 (annotated)

test/tools/javac/nativeHeaders/NativeHeaderTest.java@f5e5ca7505e2 (annotated)

test/tools/javac/nativeHeaders/NativeHeaderTest.java

Wed, 08 Oct 2014 14:16:40 -0700

author: asaha
date: Wed, 08 Oct 2014 14:16:40 -0700
changeset 2586: f5e5ca7505e2
parent 1723: a2889739cf21
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

Merge

 /*
  * Copyright (c) 2012, 2013, 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.
  *
  * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 /*
  * @test
  * @bug 7150368 8003412 8000407
  * @summary javac should include basic ability to generate native headers
  */
 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.lang.annotation.Annotation;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import javax.tools.StandardJavaFileManager;
 import javax.tools.StandardLocation;
 import com.sun.source.util.JavacTask;
 import com.sun.tools.javac.api.JavacTool;
 public class NativeHeaderTest {
     public static void main(String... args) throws Exception {
         new NativeHeaderTest().run();
     }
     /** How to invoke javac. */
     enum RunKind {
         /** Use the command line entry point. */
         CMD,
         /** Use the JavaCompiler API. */
         API
     };
     /** Which classes for which to generate headers. */
     enum GenKind {
         /** Just classes with native methods or the marker annotation. */
         SIMPLE,
         /** All appropriate classes within the top level class. */
         FULL
     };
     // ---------- Test cases, invoked reflectively via run. ----------
     @Test
     void simpleTest(RunKind rk, GenKind gk) throws Exception {
         List<File> files = new ArrayList<File>();
         files.add(createFile("p/C.java",
                 "class C { native void m(); }"));
         Set<String> expect = createSet("C.h");
         test(rk, gk, files, expect);
     }
     @Test
     void nestedClassTest(RunKind rk, GenKind gk) throws Exception {
         List<File> files = new ArrayList<File>();
         files.add(createFile("p/C.java",
                 "class C { static class Inner { native void m(); } }"));
         Set<String> expect = createSet("C_Inner.h");
         if (gk == GenKind.FULL) expect.add("C.h");
         test(rk, gk, files, expect);
     }
     @Test
     void localClassTest(RunKind rk, GenKind gk) throws Exception {
         List<File> files = new ArrayList<File>();
         files.add(createFile("p/C.java",
                 "class C { native void m(); void m2() { class Local { } } }"));
         Set<String> expect = createSet("C.h");
         test(rk, gk, files, expect);
     }
     @Test
     void syntheticClassTest(RunKind rk, GenKind gk) throws Exception {
         List<File> files = new ArrayList<File>();
         files.add(createFile("p/C.java",
                 "class C {\n"
                 + "    private C() { }\n"
                 + "    class Inner extends C { native void m(); }\n"
                 + "}"));
         Set<String> expect = createSet("C_Inner.h");
         if (gk == GenKind.FULL) expect.add("C.h");
         test(rk, gk, files, expect);
         // double check the synthetic class was generated
         checkEqual("generatedClasses",
                 createSet("C.class", "C$1.class", "C$Inner.class"),
                 createSet(classesDir.list()));
     }
     @Test
     void annoTest(RunKind rk, GenKind gk) throws Exception {
         List<File> files = new ArrayList<File>();
         files.add(createFile("p/C.java",
                 "class C { @java.lang.annotation.Native public static final int i = 1907; }"));
         Set<String> expect = createSet("C.h");
         test(rk, gk, files, expect);
     }
     @Test
     void annoNestedClassTest(RunKind rk, GenKind gk) throws Exception {
         List<File> files = new ArrayList<File>();
         files.add(createFile("p/C.java",
                 "class C { class Inner { @java.lang.annotation.Native public static final int i = 1907; } }"));
         Set<String> expect = createSet("C_Inner.h");
         if (gk == GenKind.FULL) expect.add("C.h");
         test(rk, gk, files, expect);
     }
     /**
      * The worker method for each test case.
      * Compile the files and verify that exactly the expected set of header files
      * is generated.
      */
     void test(RunKind rk, GenKind gk, List<File> files, Set<String> expect) throws Exception {
         List<String> args = new ArrayList<String>();
         if (gk == GenKind.FULL)
             args.add("-XDjavah:full");
         switch (rk) {
             case CMD:
                 args.add("-d");
                 args.add(classesDir.getPath());
                 args.add("-h");
                 args.add(headersDir.getPath());
                 for (File f: files)
                     args.add(f.getPath());
                 int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]));
                 if (rc != 0)
                     throw new Exception("compilation failed, rc=" + rc);
                 break;
             case API:
                 fm.setLocation(StandardLocation.SOURCE_PATH, Arrays.asList(srcDir));
                 fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(classesDir));
                 fm.setLocation(StandardLocation.NATIVE_HEADER_OUTPUT, Arrays.asList(headersDir));
                 JavacTask task = javac.getTask(null, fm, null, args, null,
                         fm.getJavaFileObjectsFromFiles(files));
                 if (!task.call())
                     throw new Exception("compilation failed");
                 break;
         }
         Set<String> found = createSet(headersDir.list());
         checkEqual("header files", expect, found);
     }
     /** Marker annotation for test cases. */
     @Retention(RetentionPolicy.RUNTIME)
     @interface Test { }
     /** Combo test to run all test cases in all modes. */
     void run() throws Exception {
         javac = JavacTool.create();
         fm = javac.getStandardFileManager(null, null, null);
         for (RunKind rk: RunKind.values()) {
             for (GenKind gk: GenKind.values()) {
                 for (Method m: getClass().getDeclaredMethods()) {
                     Annotation a = m.getAnnotation(Test.class);
                     if (a != null) {
                         init(rk, gk, m.getName());
                         try {
                             m.invoke(this, new Object[] { rk, gk });
                         } catch (InvocationTargetException e) {
                             Throwable cause = e.getCause();
                             throw (cause instanceof Exception) ? ((Exception) cause) : e;
                         }
                         System.err.println();
                     }
                 }
             }
         }
         System.err.println(testCount + " tests" + ((errorCount == 0) ? "" : ", " + errorCount + " errors"));
         if (errorCount > 0)
             throw new Exception(errorCount + " errors found");
     }
     /**
      * Init directories for a test case.
      */
     void init(RunKind rk, GenKind gk, String name) throws IOException {
         System.err.println("Test " + rk + " " + gk + " " + name);
         testCount++;
         testDir = new File(rk.toString().toLowerCase() + "_" + gk.toString().toLowerCase() + "-" + name);
         srcDir = new File(testDir, "src");
         srcDir.mkdirs();
         classesDir = new File(testDir, "classes");
         classesDir.mkdirs();
         headersDir = new File(testDir, "headers");
         headersDir.mkdirs();
     }
     /** Create a source file with given body text. */
     File createFile(String path, final String body) throws IOException {
         File f = new File(srcDir, path);
         f.getParentFile().mkdirs();
         try (FileWriter out = new FileWriter(f)) {
             out.write(body);
         }
         return f;
     }
     /** Convenience method to create a set of items. */
     <T> Set<T> createSet(T... items) {
         return new HashSet<T>(Arrays.asList(items));
     }
     /** Convenience method to check two values are equal, and report an error if not. */
     <T> void checkEqual(String label, T expect, T found) {
         if ((found == null) ? (expect == null) : found.equals(expect))
             return;
         System.err.println("Error: mismatch");
         System.err.println("  expected: " + expect);
         System.err.println("     found: " + found);
         errorCount++;
     }
     // Shared across API test cases
     JavacTool javac;
     StandardJavaFileManager fm;
     // Directories set up by init
     File testDir;
     File srcDir;
     File classesDir;
     File headersDir;
     // Statistics
     int testCount;
     int errorCount;
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/nativeHeaders/NativeHeaderTest.java@f5e5ca7505e2 (annotated)

test/tools/javac/nativeHeaders/NativeHeaderTest.java