138 lines
5.5 KiB
Java
138 lines
5.5 KiB
Java
/*
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* Copyright (c) 2024, 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 8325362
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* @summary Test SimpleJavaFileObject
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* @library /tools/lib
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* @modules
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* jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.main
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* @run main TestSimpleJavaFileObject
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*/
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import java.io.IOException;
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import java.net.URI;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.ArrayList;
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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.Diagnostic.Kind;
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import javax.tools.DiagnosticListener;
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import javax.tools.FileObject;
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import javax.tools.ForwardingJavaFileManager;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileManager;
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import javax.tools.JavaFileObject;
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import javax.tools.SimpleJavaFileObject;
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import javax.tools.ToolProvider;
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import toolbox.TestRunner;
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public class TestSimpleJavaFileObject extends TestRunner {
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public TestSimpleJavaFileObject() {
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super(System.err);
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}
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public static void main(String... args) throws Exception {
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TestSimpleJavaFileObject t = new TestSimpleJavaFileObject();
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t.runTests(m -> new Object[] { Paths.get(m.getName()) });
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}
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@Test
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public void testForSource(Path p) throws IOException {
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JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
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List<String> errors = new ArrayList<>();
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DiagnosticListener<JavaFileObject> noErrors = d -> {
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if (d.getKind() == Kind.ERROR) {
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errors.add(d.getSource().toUri().toString() + ":" +
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d.getLineNumber() + ":" +
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d.getColumnNumber() + ":" +
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d.getCode());
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}
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};
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try (JavaFileManager fm = compiler.getStandardFileManager(null, null, null);
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LoggingFileManager rfm = new LoggingFileManager(fm)) {
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JavaFileObject src = SimpleJavaFileObject.forSource(URI.create("mem:///Test.java"),
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"""
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public class Test {}
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""");
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assertTrue("compilation didn't succeed!",
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compiler.getTask(null, rfm, noErrors, null, null, List.of(src))
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.call());
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assertTrue("no compilation errors expected, but got: " + errors,
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errors.isEmpty());
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Set<String> expectedWrittenClasses = Set.of("Test");
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assertTrue("compiled correct classes: " + rfm.writtenClasses,
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expectedWrittenClasses.equals(rfm.writtenClasses));
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}
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errors.clear();
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JavaFileObject src = SimpleJavaFileObject.forSource(URI.create("mem:///Test.java"),
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"""
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public class Test {
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Unknown u;
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}
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""");
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assertTrue("compilation succeeded unexpectedly!",
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!compiler.getTask(null, null, noErrors, null, null, List.of(src))
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.call());
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List<String> expectedCompilationErrors = List.of(
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"mem:///Test.java:2:5:compiler.err.cant.resolve.location"
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);
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assertTrue("incorrect compilation errors, expected: " + expectedCompilationErrors +
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"actual: " + errors,
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expectedCompilationErrors.equals(errors));
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}
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private static final class LoggingFileManager extends ForwardingJavaFileManager<JavaFileManager> {
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private final Set<String> writtenClasses = new HashSet<>();
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public LoggingFileManager(JavaFileManager fileManager) {
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super(fileManager);
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}
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@Override
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public JavaFileObject getJavaFileForOutput(Location location,
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String className,
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JavaFileObject.Kind kind,
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FileObject sibling) throws IOException {
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writtenClasses.add(className);
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return super.getJavaFileForOutput(location, className, kind, sibling);
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}
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}
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private static void assertTrue(String message, boolean c) {
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if (!c) {
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throw new AssertionError(message);
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}
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}
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}
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