| /* |
| * Copyright (c) 2016, 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 8162359 |
| * @summary extra space in javac -help for -J and @ options |
| * @modules jdk.compiler |
| * @library /tools/lib |
| * @build toolbox.TestRunner toolbox.ToolBox |
| * @run main StreamsTest |
| */ |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.List; |
| |
| import static java.util.Arrays.asList; |
| |
| import toolbox.TestRunner; |
| import toolbox.ToolBox; |
| |
| public class StreamsTest extends TestRunner { |
| public static void main(String... args) throws Exception { |
| new StreamsTest().runTests(m -> new Object[] { Paths.get(m.getName()) }); |
| } |
| |
| StreamsTest() { |
| super(System.err); |
| } |
| |
| ToolBox tb = new ToolBox(); |
| static final String LINESEP = System.getProperty("line.separator"); |
| |
| @Test // errors should be written to stderr |
| public void testError(Path base) throws Exception { |
| Path src = base.resolve("src"); |
| Path classes = base.resolve("classes"); |
| tb.writeJavaFiles(src, |
| "import java.util.*; class C { # }"); |
| test(asList("-d", classes.toString(), src.resolve("C.java").toString()), |
| null, "illegal character: '#'"); |
| } |
| |
| @Test // warnings should be written to stderr |
| public void testWarning(Path base) throws Exception { |
| Path src = base.resolve("src"); |
| Path classes = base.resolve("classes"); |
| tb.writeJavaFiles(src, |
| "import java.util.*; class C { List list = new ArrayList(); }"); |
| test(asList("-d", classes.toString(), "-Xlint", src.resolve("C.java").toString()), |
| null, "warning: [rawtypes]"); |
| } |
| |
| @Test // notes should be written to stderr |
| public void testNote(Path base) throws Exception { |
| Path src = base.resolve("src"); |
| Path classes = base.resolve("classes"); |
| tb.writeJavaFiles(src, |
| "import java.util.*; class C { List<String> list = (List<String>) new ArrayList(); }"); |
| test(asList("-d", classes.toString(), src.resolve("C.java").toString()), |
| null, "uses unchecked or unsafe operations."); |
| } |
| |
| @Test // help output should be written to stdout |
| public void testHelp(Path base) throws Exception { |
| test(asList("-help"), "Usage: javac <options> <source files>", null); |
| } |
| |
| @Test // version output should be written to stdout |
| public void testVersion(Path base) throws Exception { |
| test(asList("-version"), "javac", null); |
| } |
| |
| @Test // version output should be written to stdout |
| public void testFullVersion(Path base) throws Exception { |
| test(asList("-fullversion"), "javac full version", null); |
| } |
| |
| /** |
| * Run javac as though run from the command line (but avoiding the entry point that |
| * calls System.exit()), and that that expected output appears on appropriate output streams. |
| * @param options the command-line options for javac |
| * @param expectOut a string that should be contained in the output generated on stdout, |
| * or null, if no output should be generated to stdout |
| * @param expectErra string that should be contained in the output generated on stderr, |
| * or null, if no output should be generated to stderr |
| * @throws IOException if a problem occurs while setting up the streams |
| */ |
| void test(List<String> options, String expectOut, String expectErr) throws IOException { |
| out.println("test " + options); |
| ByteArrayOutputStream bsOut = new ByteArrayOutputStream(); |
| ByteArrayOutputStream bsErr = new ByteArrayOutputStream(); |
| try (PrintStream psOut = new PrintStream(bsOut); PrintStream psErr = new PrintStream(bsErr)) { |
| int rc; |
| PrintStream saveOut = System.out; |
| PrintStream saveErr = System.err; |
| try { |
| System.setOut(psOut); |
| System.setErr(psErr); |
| rc = com.sun.tools.javac.Main.compile(options.toArray(new String[0])); |
| } finally { |
| System.setErr(saveErr); |
| System.setOut(saveOut); |
| } |
| System.err.println("javac exit code: " + rc); |
| } |
| check("stdout", bsOut.toString(), expectOut); |
| check("stderr", bsErr.toString(), expectErr); |
| } |
| |
| /** |
| * Check that output is as expected. |
| * @param name the name of the stream on which the output was found |
| * @param actual the contents written to the stream |
| * @param expect string that should be contained in the output, or null, if the output should be empty |
| */ |
| void check(String name, String actual, String expect) { |
| out.println("Check " + name); |
| out.println("Expected: " + (expect == null ? "(nothing)" : expect)); |
| out.println("Actual:"); |
| out.println(actual.replace("\n", LINESEP)); |
| if (expect == null) { |
| if (!actual.isEmpty()) { |
| error(name + ": unexpected output"); |
| } |
| } else if (!actual.contains(expect)) { |
| error(name + ": expected output not found"); |
| } |
| } |
| } |
| |