author | jjg |
Wed, 29 Oct 2014 17:25:23 -0700 | |
changeset 27319 | 030080f03e4f |
parent 17546 | 06bbe5f5a2b8 |
child 30730 | d3ce7619db2c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @bug 7150368 8003412 8000407 |
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* @summary javac should include basic ability to generate native headers |
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*/ |
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import java.io.File; |
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import java.io.FileWriter; |
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import java.io.IOException; |
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import java.lang.annotation.Annotation; |
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import java.lang.annotation.Retention; |
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import java.lang.annotation.RetentionPolicy; |
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import java.lang.reflect.InvocationTargetException; |
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import java.lang.reflect.Method; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.HashSet; |
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import java.util.List; |
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import java.util.Set; |
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import javax.tools.StandardJavaFileManager; |
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import javax.tools.StandardLocation; |
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import com.sun.source.util.JavacTask; |
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import com.sun.tools.javac.api.JavacTool; |
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public class NativeHeaderTest { |
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public static void main(String... args) throws Exception { |
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new NativeHeaderTest().run(); |
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} |
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/** How to invoke javac. */ |
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enum RunKind { |
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/** Use the command line entry point. */ |
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CMD, |
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/** Use the JavaCompiler API. */ |
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API |
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}; |
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/** Which classes for which to generate headers. */ |
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enum GenKind { |
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/** Just classes with native methods or the marker annotation. */ |
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SIMPLE, |
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/** All appropriate classes within the top level class. */ |
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FULL |
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}; |
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// ---------- Test cases, invoked reflectively via run. ---------- |
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@Test |
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void simpleTest(RunKind rk, GenKind gk) throws Exception { |
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List<File> files = new ArrayList<File>(); |
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files.add(createFile("p/C.java", |
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"class C { native void m(); }")); |
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Set<String> expect = createSet("C.h"); |
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test(rk, gk, files, expect); |
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} |
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@Test |
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void nestedClassTest(RunKind rk, GenKind gk) throws Exception { |
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List<File> files = new ArrayList<File>(); |
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files.add(createFile("p/C.java", |
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"class C { static class Inner { native void m(); } }")); |
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Set<String> expect = createSet("C_Inner.h"); |
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if (gk == GenKind.FULL) expect.add("C.h"); |
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test(rk, gk, files, expect); |
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} |
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@Test |
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void localClassTest(RunKind rk, GenKind gk) throws Exception { |
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List<File> files = new ArrayList<File>(); |
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files.add(createFile("p/C.java", |
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"class C { native void m(); void m2() { class Local { } } }")); |
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Set<String> expect = createSet("C.h"); |
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test(rk, gk, files, expect); |
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} |
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@Test |
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void syntheticClassTest(RunKind rk, GenKind gk) throws Exception { |
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List<File> files = new ArrayList<File>(); |
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files.add(createFile("p/C.java", |
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"class C {\n" |
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+ " private C() { }\n" |
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+ " class Inner extends C { native void m(); }\n" |
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+ "}")); |
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Set<String> expect = createSet("C_Inner.h"); |
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if (gk == GenKind.FULL) expect.add("C.h"); |
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test(rk, gk, files, expect); |
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// double check the synthetic class was generated |
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checkEqual("generatedClasses", |
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createSet("C.class", "C$1.class", "C$Inner.class"), |
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createSet(classesDir.list())); |
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} |
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@Test |
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void annoTest(RunKind rk, GenKind gk) throws Exception { |
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List<File> files = new ArrayList<File>(); |
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files.add(createFile("p/C.java", |
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"class C { @java.lang.annotation.Native public static final int i = 1907; }")); |
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Set<String> expect = createSet("C.h"); |
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test(rk, gk, files, expect); |
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} |
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@Test |
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void annoNestedClassTest(RunKind rk, GenKind gk) throws Exception { |
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List<File> files = new ArrayList<File>(); |
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files.add(createFile("p/C.java", |
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"class C { class Inner { @java.lang.annotation.Native public static final int i = 1907; } }")); |
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|
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Set<String> expect = createSet("C_Inner.h"); |
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if (gk == GenKind.FULL) expect.add("C.h"); |
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|
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test(rk, gk, files, expect); |
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} |
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|
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/** |
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* The worker method for each test case. |
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* Compile the files and verify that exactly the expected set of header files |
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* is generated. |
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*/ |
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void test(RunKind rk, GenKind gk, List<File> files, Set<String> expect) throws Exception { |
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List<String> args = new ArrayList<String>(); |
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if (gk == GenKind.FULL) |
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args.add("-XDjavah:full"); |
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|
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switch (rk) { |
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case CMD: |
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args.add("-d"); |
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args.add(classesDir.getPath()); |
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args.add("-h"); |
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args.add(headersDir.getPath()); |
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for (File f: files) |
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args.add(f.getPath()); |
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int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()])); |
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if (rc != 0) |
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throw new Exception("compilation failed, rc=" + rc); |
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break; |
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|
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case API: |
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fm.setLocation(StandardLocation.SOURCE_PATH, Arrays.asList(srcDir)); |
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fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(classesDir)); |
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fm.setLocation(StandardLocation.NATIVE_HEADER_OUTPUT, Arrays.asList(headersDir)); |
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JavacTask task = javac.getTask(null, fm, null, args, null, |
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fm.getJavaFileObjectsFromFiles(files)); |
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if (!task.call()) |
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throw new Exception("compilation failed"); |
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break; |
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} |
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|
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Set<String> found = createSet(headersDir.list()); |
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checkEqual("header files", expect, found); |
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} |
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|
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/** Marker annotation for test cases. */ |
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@Retention(RetentionPolicy.RUNTIME) |
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@interface Test { } |
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|
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/** Combo test to run all test cases in all modes. */ |
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|
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void run() throws Exception { |
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javac = JavacTool.create(); |
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fm = javac.getStandardFileManager(null, null, null); |
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try { |
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for (RunKind rk: RunKind.values()) { |
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for (GenKind gk: GenKind.values()) { |
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for (Method m: getClass().getDeclaredMethods()) { |
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Annotation a = m.getAnnotation(Test.class); |
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|
201 |
if (a != null) { |
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202 |
init(rk, gk, m.getName()); |
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|
203 |
try { |
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|
204 |
m.invoke(this, new Object[] { rk, gk }); |
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|
205 |
} catch (InvocationTargetException e) { |
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|
206 |
Throwable cause = e.getCause(); |
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|
207 |
throw (cause instanceof Exception) ? ((Exception) cause) : e; |
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|
208 |
} |
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|
209 |
System.err.println(); |
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|
210 |
} |
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|
211 |
} |
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|
212 |
} |
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|
213 |
} |
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|
214 |
System.err.println(testCount + " tests" + ((errorCount == 0) ? "" : ", " + errorCount + " errors")); |
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|
215 |
if (errorCount > 0) |
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|
216 |
throw new Exception(errorCount + " errors found"); |
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|
217 |
} finally { |
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|
218 |
fm.close(); |
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|
219 |
} |
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|
220 |
} |
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|
221 |
|
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|
222 |
/** |
516b112d6c68
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|
223 |
* Init directories for a test case. |
516b112d6c68
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|
224 |
*/ |
516b112d6c68
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|
225 |
void init(RunKind rk, GenKind gk, String name) throws IOException { |
516b112d6c68
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|
226 |
System.err.println("Test " + rk + " " + gk + " " + name); |
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|
227 |
testCount++; |
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|
228 |
|
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|
229 |
testDir = new File(rk.toString().toLowerCase() + "_" + gk.toString().toLowerCase() + "-" + name); |
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|
230 |
srcDir = new File(testDir, "src"); |
516b112d6c68
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|
231 |
srcDir.mkdirs(); |
516b112d6c68
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|
232 |
classesDir = new File(testDir, "classes"); |
516b112d6c68
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|
233 |
classesDir.mkdirs(); |
516b112d6c68
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|
234 |
headersDir = new File(testDir, "headers"); |
516b112d6c68
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|
235 |
headersDir.mkdirs(); |
516b112d6c68
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|
236 |
} |
516b112d6c68
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|
237 |
|
516b112d6c68
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|
238 |
/** Create a source file with given body text. */ |
516b112d6c68
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diff
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|
239 |
File createFile(String path, final String body) throws IOException { |
516b112d6c68
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|
240 |
File f = new File(srcDir, path); |
516b112d6c68
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|
241 |
f.getParentFile().mkdirs(); |
516b112d6c68
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|
242 |
try (FileWriter out = new FileWriter(f)) { |
516b112d6c68
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|
243 |
out.write(body); |
516b112d6c68
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|
244 |
} |
516b112d6c68
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|
245 |
return f; |
516b112d6c68
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|
246 |
} |
516b112d6c68
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|
247 |
|
516b112d6c68
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|
248 |
/** Convenience method to create a set of items. */ |
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|
249 |
<T> Set<T> createSet(T... items) { |
516b112d6c68
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|
250 |
return new HashSet<T>(Arrays.asList(items)); |
516b112d6c68
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|
251 |
} |
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|
252 |
|
516b112d6c68
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|
253 |
/** Convenience method to check two values are equal, and report an error if not. */ |
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|
254 |
<T> void checkEqual(String label, T expect, T found) { |
516b112d6c68
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|
255 |
if ((found == null) ? (expect == null) : found.equals(expect)) |
516b112d6c68
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|
256 |
return; |
516b112d6c68
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|
257 |
System.err.println("Error: mismatch"); |
516b112d6c68
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|
258 |
System.err.println(" expected: " + expect); |
516b112d6c68
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|
259 |
System.err.println(" found: " + found); |
516b112d6c68
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|
260 |
errorCount++; |
516b112d6c68
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|
261 |
} |
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|
262 |
|
516b112d6c68
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|
263 |
// Shared across API test cases |
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|
264 |
JavacTool javac; |
516b112d6c68
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|
265 |
StandardJavaFileManager fm; |
516b112d6c68
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|
266 |
|
516b112d6c68
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|
267 |
// Directories set up by init |
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|
268 |
File testDir; |
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|
269 |
File srcDir; |
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|
270 |
File classesDir; |
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|
271 |
File headersDir; |
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|
272 |
|
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|
273 |
// Statistics |
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|
274 |
int testCount; |
516b112d6c68
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|
275 |
int errorCount; |
516b112d6c68
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|
276 |
} |
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|
277 |