110 lines
3.5 KiB
Java
110 lines
3.5 KiB
Java
/*
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* Copyright (c) 2018, 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 8199194
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* @summary smoke test for enable-preview command line flag
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* @modules jdk.compiler/com.sun.tools.javac.code
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*/
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import java.io.*;
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import java.util.*;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import com.sun.tools.javac.code.Source;
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public class PreviewOptionTest {
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public static void main(String... args) throws Exception {
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PreviewOptionTest t = new PreviewOptionTest();
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t.run();
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}
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public void run() throws Exception {
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try (FileWriter out = new FileWriter("Test.java")) {
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out.write("class Test { }");
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}
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testWithNoFlags();
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List<Source> versionsToTest = Stream.of(Source.values())
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.filter(s -> s.compareTo(Source.MIN) >= 0)
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.collect(Collectors.toList());
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versionsToTest.forEach(this::testWithSourceFlag);
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versionsToTest.forEach(this::testWithReleaseFlag);
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if (errors > 0)
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throw new Exception(errors + " errors occurred");
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}
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void testWithNoFlags() {
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testInternal(null, null, true);
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}
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void testWithSourceFlag(Source source) {
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testInternal(source, null, source != Source.DEFAULT);
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}
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void testWithReleaseFlag(Source release) {
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testInternal(null, release, release != Source.DEFAULT);
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}
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void testInternal(Source source, Source release, boolean shouldFail) {
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System.err.println("Test: source:" + source + ", release:" + release + " " + shouldFail + " " + shouldFail);
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List<String> args = new ArrayList<>();
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args.add("--enable-preview");
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if (source != null) {
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args.add("-source");
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args.add(source.name);
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}
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if (release != null) {
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args.add("--release");
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args.add(release.name);
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}
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args.add("Test.java");
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StringWriter sw = new StringWriter();
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PrintWriter pw = new PrintWriter(sw);
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int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]), pw);
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pw.close();
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boolean hasErrors = rc != 0;
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if (hasErrors != shouldFail) {
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if (hasErrors) {
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String out = sw.toString();
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error("error not expected but found:\n" + out);
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} else {
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error("error expected but not found");
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}
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}
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}
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void error(String msg) {
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System.err.println("error: " + msg);
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errors++;
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}
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int errors;
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}
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