--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/launcher/SourceLauncherTest.java Thu Jun 07 16:06:49 2018 -0700
@@ -0,0 +1,542 @@
+/*
+ * Copyright (c) 2018, 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 8192920
+ * @summary Test source launcher
+ * @library /tools/lib
+ * @modules jdk.compiler/com.sun.tools.javac.api
+ * jdk.compiler/com.sun.tools.javac.launcher
+ * jdk.compiler/com.sun.tools.javac.main
+ * @build toolbox.JavaTask toolbox.JavacTask toolbox.TestRunner toolbox.ToolBox
+ * @run main SourceLauncherTest
+ */
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.lang.reflect.InvocationTargetException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Properties;
+
+import com.sun.tools.javac.launcher.Main;
+
+import toolbox.JavaTask;
+import toolbox.JavacTask;
+import toolbox.Task;
+import toolbox.TestRunner;
+import toolbox.TestRunner;
+import toolbox.ToolBox;
+
+public class SourceLauncherTest extends TestRunner {
+ public static void main(String... args) throws Exception {
+ SourceLauncherTest t = new SourceLauncherTest();
+ t.runTests(m -> new Object[] { Paths.get(m.getName()) });
+ }
+
+ SourceLauncherTest() {
+ super(System.err);
+ tb = new ToolBox();
+ System.err.println("version: " + thisVersion);
+ }
+
+ private final ToolBox tb;
+ private static final String thisVersion = System.getProperty("java.specification.version");
+
+ /*
+ * Positive tests.
+ */
+
+ @Test
+ public void testHelloWorld(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "import java.util.Arrays;\n" +
+ "class HelloWorld {\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.println(\"Hello World! \" + Arrays.toString(args));\n" +
+ " }\n" +
+ "}");
+ testSuccess(base.resolve("HelloWorld.java"), "Hello World! [1, 2, 3]\n");
+ }
+
+ @Test
+ public void testHelloWorldInPackage(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "package hello;\n" +
+ "import java.util.Arrays;\n" +
+ "class World {\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.println(\"Hello World! \" + Arrays.toString(args));\n" +
+ " }\n" +
+ "}");
+ testSuccess(base.resolve("hello").resolve("World.java"), "Hello World! [1, 2, 3]\n");
+ }
+
+ @Test
+ public void testHelloWorldWithAux(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "import java.util.Arrays;\n" +
+ "class HelloWorld {\n" +
+ " public static void main(String... args) {\n" +
+ " Aux.write(args);\n" +
+ " }\n" +
+ "}\n" +
+ "class Aux {\n" +
+ " static void write(String... args) {\n" +
+ " System.out.println(\"Hello World! \" + Arrays.toString(args));\n" +
+ " }\n" +
+ "}");
+ testSuccess(base.resolve("HelloWorld.java"), "Hello World! [1, 2, 3]\n");
+ }
+
+ @Test
+ public void testHelloWorldWithShebang(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "#!/usr/bin/java --source 11\n" +
+ "import java.util.Arrays;\n" +
+ "class HelloWorld {\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.println(\"Hello World! \" + Arrays.toString(args));\n" +
+ " }\n" +
+ "}");
+ Files.copy(base.resolve("HelloWorld.java"), base.resolve("HelloWorld"));
+ testSuccess(base.resolve("HelloWorld"), "Hello World! [1, 2, 3]\n");
+ }
+
+ @Test
+ public void testNoAnnoProcessing(Path base) throws IOException {
+ Path annoSrc = base.resolve("annoSrc");
+ tb.writeJavaFiles(annoSrc,
+ "import java.util.*;\n" +
+ "import javax.annotation.processing.*;\n" +
+ "import javax.lang.model.element.*;\n" +
+ "@SupportedAnnotationTypes(\"*\")\n" +
+ "public class AnnoProc extends AbstractProcessor {\n" +
+ " public boolean process(Set<? extends TypeElement> annos, RoundEnvironment rEnv) {\n" +
+ " throw new Error(\"Annotation processor should not be invoked\");\n" +
+ " }\n" +
+ "}\n");
+ Path annoClasses = Files.createDirectories(base.resolve("classes"));
+ new JavacTask(tb)
+ .outdir(annoClasses)
+ .files(annoSrc.resolve("AnnoProc.java").toString())
+ .run();
+ Path serviceFile = annoClasses.resolve("META-INF").resolve("services")
+ .resolve("javax.annotation.processing.Processor");
+ tb.writeFile(serviceFile, "AnnoProc");
+
+ Path mainSrc = base.resolve("mainSrc");
+ tb.writeJavaFiles(mainSrc,
+ "import java.util.Arrays;\n" +
+ "class HelloWorld {\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.println(\"Hello World! \" + Arrays.toString(args));\n" +
+ " }\n" +
+ "}");
+
+ List<String> javacArgs = List.of("-classpath", annoClasses.toString());
+ List<String> classArgs = List.of("1", "2", "3");
+ String expect = "Hello World! [1, 2, 3]\n";
+ Result r = run(mainSrc.resolve("HelloWorld.java"), javacArgs, classArgs);
+ checkEqual("stdout", r.stdOut, expect);
+ checkEmpty("stderr", r.stdErr);
+ checkNull("exception", r.exception);
+ }
+
+ @Test
+ public void testEnablePreview(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "import java.util.Arrays;\n" +
+ "class HelloWorld {\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.println(\"Hello World! \" + Arrays.toString(args));\n" +
+ " }\n" +
+ "}");
+
+ String log = new JavaTask(tb)
+ .vmOptions("--enable-preview", "--source", thisVersion)
+ .className(base.resolve("HelloWorld.java").toString())
+ .classArgs("1", "2", "3")
+ .run(Task.Expect.SUCCESS)
+ .getOutput(Task.OutputKind.STDOUT);
+ checkEqual("stdout", log.trim(), "Hello World! [1, 2, 3]");
+ }
+
+ void testSuccess(Path file, String expect) throws IOException {
+ Result r = run(file, Collections.emptyList(), List.of("1", "2", "3"));
+ checkEqual("stdout", r.stdOut, expect);
+ checkEmpty("stderr", r.stdErr);
+ checkNull("exception", r.exception);
+ }
+
+ /*
+ * Negative tests: such as cannot find or execute main method.
+ */
+
+ @Test
+ public void testHelloWorldWithShebangJava(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "#!/usr/bin/java --source 11\n" +
+ "import java.util.Arrays;\n" +
+ "class HelloWorld {\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.println(\"Hello World! \" + Arrays.toString(args));\n" +
+ " }\n" +
+ "}");
+ Path file = base.resolve("HelloWorld.java");
+ testError(file,
+ file + ":1: error: illegal character: '#'\n" +
+ "#!/usr/bin/java --source 11\n" +
+ "^\n" +
+ file + ":1: error: class, interface, or enum expected\n" +
+ "#!/usr/bin/java --source 11\n" +
+ " ^\n" +
+ "2 errors\n",
+ "error: compilation failed");
+ }
+
+ @Test
+ public void testNoClass(Path base) throws IOException {
+ Files.createDirectories(base);
+ Path file = base.resolve("NoClass.java");
+ Files.write(file, List.of("package p;"));
+ testError(file, "", "error: no class declared in file");
+ }
+
+ @Test
+ public void testWrongClass(Path base) throws IOException {
+ Path src = base.resolve("src");
+ Path file = src.resolve("WrongClass.java");
+ tb.writeJavaFiles(src, "class WrongClass { }");
+ Path classes = Files.createDirectories(base.resolve("classes"));
+ new JavacTask(tb)
+ .outdir(classes)
+ .files(file)
+ .run();
+ String log = new JavaTask(tb)
+ .classpath(classes.toString())
+ .className(file.toString())
+ .run(Task.Expect.FAIL)
+ .getOutput(Task.OutputKind.STDERR);
+ checkEqual("stderr", log.trim(),
+ "error: class found on application class path: WrongClass");
+ }
+
+ @Test
+ public void testSyntaxErr(Path base) throws IOException {
+ tb.writeJavaFiles(base, "class SyntaxErr {");
+ Path file = base.resolve("SyntaxErr.java");
+ testError(file,
+ file + ":1: error: reached end of file while parsing\n" +
+ "class SyntaxErr {\n" +
+ " ^\n" +
+ "1 error\n",
+ "error: compilation failed");
+ }
+
+ @Test
+ public void testNoSourceOnClassPath(Path base) throws IOException {
+ Path auxSrc = base.resolve("auxSrc");
+ tb.writeJavaFiles(auxSrc,
+ "public class Aux {\n" +
+ " static final String MESSAGE = \"Hello World\";\n" +
+ "}\n");
+
+ Path mainSrc = base.resolve("mainSrc");
+ tb.writeJavaFiles(mainSrc,
+ "import java.util.Arrays;\n" +
+ "class HelloWorld {\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.println(Aux.MESSAGE + Arrays.toString(args));\n" +
+ " }\n" +
+ "}");
+
+ List<String> javacArgs = List.of("-classpath", auxSrc.toString());
+ List<String> classArgs = List.of("1", "2", "3");
+ String expectStdErr =
+ "testNoSourceOnClassPath/mainSrc/HelloWorld.java:4: error: cannot find symbol\n" +
+ " System.out.println(Aux.MESSAGE + Arrays.toString(args));\n" +
+ " ^\n" +
+ " symbol: variable Aux\n" +
+ " location: class HelloWorld\n" +
+ "1 error\n";
+ Result r = run(mainSrc.resolve("HelloWorld.java"), javacArgs, classArgs);
+ checkEmpty("stdout", r.stdOut);
+ checkEqual("stderr", r.stdErr, expectStdErr);
+ checkFault("exception", r.exception, "error: compilation failed");
+
+ }
+
+ // For any source file that is invoked through the OS shebang mechanism, invalid shebang
+ // lines will be caught and handled by the OS, before the launcher is even invoked.
+ // However, if such a file is passed directly to the launcher, perhaps using the --source
+ // option, a well-formed shebang line will be removed but a badly-formed one will be not be
+ // removed and will cause compilation errors.
+ @Test
+ public void testBadShebang(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "#/usr/bin/java --source 11\n" +
+ "import java.util.Arrays;\n" +
+ "class HelloWorld {\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.println(\"Hello World! \" + Arrays.toString(args));\n" +
+ " }\n" +
+ "}");
+ Path file = base.resolve("HelloWorld.java");
+ testError(file,
+ file + ":1: error: illegal character: '#'\n" +
+ "#/usr/bin/java --source 11\n" +
+ "^\n" +
+ file + ":1: error: class, interface, or enum expected\n" +
+ "#/usr/bin/java --source 11\n" +
+ " ^\n" +
+ "2 errors\n",
+ "error: compilation failed");
+ }
+
+ @Test
+ public void testBadSourceOpt(Path base) throws IOException {
+ Files.createDirectories(base);
+ Path file = base.resolve("DummyClass.java");
+ Files.write(file, List.of("class DummyClass { }"));
+ Properties sysProps = System.getProperties();
+ Properties p = new Properties(sysProps);
+ p.setProperty("jdk.internal.javac.source", "<BAD>");
+ System.setProperties(p);
+ try {
+ testError(file, "", "error: invalid value for --source option: <BAD>");
+ } finally {
+ System.setProperties(sysProps);
+ }
+ }
+
+ @Test
+ public void testEnablePreviewNoSource(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "import java.util.Arrays;\n" +
+ "class HelloWorld {\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.println(\"Hello World! \" + Arrays.toString(args));\n" +
+ " }\n" +
+ "}");
+
+ String log = new JavaTask(tb)
+ .vmOptions("--enable-preview")
+ .className(base.resolve("HelloWorld.java").toString())
+ .run(Task.Expect.FAIL)
+ .getOutput(Task.OutputKind.STDERR);
+ checkEqual("stderr", log.trim(),
+ "error: --enable-preview must be used with --source");
+ }
+
+ @Test
+ public void testNoMain(Path base) throws IOException {
+ tb.writeJavaFiles(base, "class NoMain { }");
+ testError(base.resolve("NoMain.java"), "",
+ "error: can't find main(String[]) method in class: NoMain");
+ }
+
+ @Test
+ public void testMainBadParams(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "class BadParams { public static void main() { } }");
+ testError(base.resolve("BadParams.java"), "",
+ "error: can't find main(String[]) method in class: BadParams");
+ }
+
+ @Test
+ public void testMainNotPublic(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "class NotPublic { static void main(String... args) { } }");
+ testError(base.resolve("NotPublic.java"), "",
+ "error: 'main' method is not declared 'public static'");
+ }
+
+ @Test
+ public void testMainNotStatic(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "class NotStatic { public void main(String... args) { } }");
+ testError(base.resolve("NotStatic.java"), "",
+ "error: 'main' method is not declared 'public static'");
+ }
+
+ @Test
+ public void testMainNotVoid(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "class NotVoid { public static int main(String... args) { return 0; } }");
+ testError(base.resolve("NotVoid.java"), "",
+ "error: 'main' method is not declared with a return type of 'void'");
+ }
+
+ @Test
+ public void testClassInModule(Path base) throws IOException {
+ tb.writeJavaFiles(base, "package java.net; class InModule { }");
+ Path file = base.resolve("java").resolve("net").resolve("InModule.java");
+ testError(file,
+ file + ":1: error: package exists in another module: java.base\n" +
+ "package java.net; class InModule { }\n" +
+ "^\n" +
+ "1 error\n",
+ "error: compilation failed");
+ }
+
+ void testError(Path file, String expectStdErr, String expectFault) throws IOException {
+ Result r = run(file, Collections.emptyList(), List.of("1", "2", "3"));
+ checkEmpty("stdout", r.stdOut);
+ checkEqual("stderr", r.stdErr, expectStdErr);
+ checkFault("exception", r.exception, expectFault);
+ }
+
+ /*
+ * Tests in which main throws an exception.
+ */
+ @Test
+ public void testTargetException1(Path base) throws IOException {
+ tb.writeJavaFiles(base,
+ "import java.util.Arrays;\n" +
+ "class Thrower {\n" +
+ " public static void main(String... args) {\n" +
+ " throwWhenZero(Integer.parseInt(args[0]));\n" +
+ " }\n" +
+ " static void throwWhenZero(int arg) {\n" +
+ " if (arg == 0) throw new Error(\"zero!\");\n" +
+ " throwWhenZero(arg - 1);\n" +
+ " }\n" +
+ "}");
+ Path file = base.resolve("Thrower.java");
+ Result r = run(file, Collections.emptyList(), List.of("3"));
+ checkEmpty("stdout", r.stdOut);
+ checkEmpty("stderr", r.stdErr);
+ checkTrace("exception", r.exception,
+ "java.lang.Error: zero!",
+ "at Thrower.throwWhenZero(Thrower.java:7)",
+ "at Thrower.throwWhenZero(Thrower.java:8)",
+ "at Thrower.throwWhenZero(Thrower.java:8)",
+ "at Thrower.throwWhenZero(Thrower.java:8)",
+ "at Thrower.main(Thrower.java:4)");
+ }
+
+ Result run(Path file, List<String> runtimeArgs, List<String> appArgs) {
+ List<String> args = new ArrayList<>();
+ args.add(file.toString());
+ args.addAll(appArgs);
+
+ PrintStream prev = System.out;
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ try (PrintStream out = new PrintStream(baos, true)) {
+ System.setOut(out);
+ StringWriter sw = new StringWriter();
+ try (PrintWriter err = new PrintWriter(sw, true)) {
+ Main m = new Main(err);
+ m.run(toArray(runtimeArgs), toArray(args));
+ return new Result(baos.toString(), sw.toString(), null);
+ } catch (Throwable t) {
+ return new Result(baos.toString(), sw.toString(), t);
+ }
+ } finally {
+ System.setOut(prev);
+ }
+ }
+
+ void checkEqual(String name, String found, String expect) {
+ expect = expect.replace("\n", tb.lineSeparator);
+ out.println(name + ": " + found);
+ out.println(name + ": " + found);
+ if (!expect.equals(found)) {
+ error("Unexpected output; expected: " + expect);
+ }
+ }
+
+ void checkEmpty(String name, String found) {
+ out.println(name + ": " + found);
+ if (!found.isEmpty()) {
+ error("Unexpected output; expected empty string");
+ }
+ }
+
+ void checkNull(String name, Throwable found) {
+ out.println(name + ": " + found);
+ if (found != null) {
+ error("Unexpected exception; expected null");
+ }
+ }
+
+ void checkFault(String name, Throwable found, String expect) {
+ expect = expect.replace("\n", tb.lineSeparator);
+ out.println(name + ": " + found);
+ if (found == null) {
+ error("No exception thrown; expected Main.Fault");
+ } else {
+ if (!(found instanceof Main.Fault)) {
+ error("Unexpected exception; expected Main.Fault");
+ }
+ if (!(found.getMessage().equals(expect))) {
+ error("Unexpected detail message; expected: " + expect);
+ }
+ }
+ }
+
+ void checkTrace(String name, Throwable found, String... expect) {
+ if (!(found instanceof InvocationTargetException)) {
+ error("Unexpected exception; expected InvocationTargetException");
+ out.println("Found:");
+ found.printStackTrace(out);
+ }
+ StringWriter sw = new StringWriter();
+ try (PrintWriter pw = new PrintWriter(sw)) {
+ ((InvocationTargetException) found).getTargetException().printStackTrace(pw);
+ }
+ String trace = sw.toString();
+ out.println(name + ":\n" + trace);
+ String[] traceLines = trace.trim().split("[\r\n]+\\s+");
+ try {
+ tb.checkEqual(List.of(traceLines), List.of(expect));
+ } catch (Error e) {
+ error(e.getMessage());
+ }
+ }
+
+ String[] toArray(List<String> list) {
+ return list.toArray(new String[list.size()]);
+ }
+
+ class Result {
+ private final String stdOut;
+ private final String stdErr;
+ private final Throwable exception;
+
+ Result(String stdOut, String stdErr, Throwable exception) {
+ this.stdOut = stdOut;
+ this.stdErr = stdErr;
+ this.exception = exception;
+ }
+ }
+}