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EdgeCases.java
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EdgeCases.java
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/*
* Copyright (c) 2015, 2017, 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 8154283 8167320 8171098 8172809 8173068 8173117 8176045 8177311 8241519 8297988
* @summary tests for multi-module mode compilation
* @library /tools/lib
* @modules
* jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.code
* jdk.compiler/com.sun.tools.javac.main
* jdk.compiler/com.sun.tools.javac.processing
* jdk.compiler/com.sun.tools.javac.util
* @build toolbox.ToolBox toolbox.JarTask toolbox.JavacTask ModuleTestBase
* @run main EdgeCases
*/
import java.io.BufferedWriter;
import java.io.Writer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.annotation.processing.SupportedOptions;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.ModuleElement;
import javax.lang.model.element.ModuleElement.RequiresDirective;
import javax.lang.model.element.PackageElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.util.ElementFilter;
import javax.lang.model.util.Elements;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.StandardJavaFileManager;
import javax.tools.ToolProvider;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.util.TaskEvent;
import com.sun.source.util.TaskListener;
//import com.sun.source.util.JavacTask; // conflicts with toolbox.JavacTask
import com.sun.tools.javac.api.JavacTaskImpl;
import com.sun.tools.javac.code.Symbol.ModuleSymbol;
import com.sun.tools.javac.code.Symtab;
import java.util.ArrayList;
import toolbox.JarTask;
import toolbox.JavacTask;
import toolbox.Task;
import toolbox.Task.Expect;
import toolbox.Task.OutputKind;
public class EdgeCases extends ModuleTestBase {
public static void main(String... args) throws Exception {
new EdgeCases().runTests();
}
@Test
public void testAddExportUndefinedModule(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src, "package test; import undefPackage.Any; public class Test {}");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
List<String> log = new JavacTask(tb)
.options("--add-exports", "undefModule/undefPackage=ALL-UNNAMED",
"-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
List<String> expected = Arrays.asList("- compiler.warn.module.for.option.not.found: --add-exports, undefModule",
"Test.java:1:34: compiler.err.doesnt.exist: undefPackage",
"1 error", "1 warning");
if (!expected.equals(log))
throw new Exception("expected output not found: " + log);
}
@Test
public void testModuleSymbolOutterMostClass(Path base) throws Exception {
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
try (StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null)) {
Path moduleSrc = base.resolve("module-src");
Path m1 = moduleSrc.resolve("m1x");
tb.writeJavaFiles(m1, "module m1x { }");
Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(findJavaFiles(moduleSrc));
com.sun.source.util.JavacTask task =
(com.sun.source.util.JavacTask) compiler.getTask(null, fm, null, null, null, files);
task.analyze();
ModuleSymbol msym = (ModuleSymbol) task.getElements().getModuleElement("m1x");
msym.outermostClass();
}
}
@Test
public void testParseEnterAnalyze(Path base) throws Exception {
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
try (StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null)) {
Path moduleSrc = base.resolve("module-src");
Path m1 = moduleSrc.resolve("m1x");
tb.writeJavaFiles(m1, "module m1x { }",
"package p;",
"package p; class T { }");
Path classes = base.resolve("classes");
Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(findJavaFiles(moduleSrc));
List<String> options = Arrays.asList("-d", classes.toString(), "-Xpkginfo:always");
JavacTaskImpl task = (JavacTaskImpl) compiler.getTask(null, fm, null, options, null, files);
Iterable<? extends CompilationUnitTree> parsed = task.parse();
Iterable<? extends Element> entered = task.enter(parsed);
Iterable<? extends Element> analyzed = task.analyze(entered);
Iterable<? extends JavaFileObject> generatedFiles = task.generate(analyzed);
Set<String> generated = new HashSet<>();
for (JavaFileObject jfo : generatedFiles) {
generated.add(jfo.getName());
}
Set<String> expected = new HashSet<>(
Arrays.asList(Paths.get("testParseEnterAnalyze", "classes", "p", "package-info.class").toString(),
Paths.get("testParseEnterAnalyze", "classes", "module-info.class").toString(),
Paths.get("testParseEnterAnalyze", "classes", "p", "T.class").toString())
);
if (!Objects.equals(expected, generated))
throw new AssertionError("Incorrect generated files: " + generated);
}
}
@Test
public void testModuleImplicitModuleBoundaries(Path base) throws Exception {
Path src = base.resolve("src");
Path src_m1 = src.resolve("m1x");
tb.writeJavaFiles(src_m1,
"module m1x { exports api1; }",
"package api1; public class Api1 { public void call() { } }");
Path src_m2 = src.resolve("m2x");
tb.writeJavaFiles(src_m2,
"module m2x { requires m1x; exports api2; }",
"package api2; public class Api2 { public static api1.Api1 get() { return null; } }");
Path src_m3 = src.resolve("m3x");
tb.writeJavaFiles(src_m3,
"module m3x { requires m2x; }",
"package test; public class Test { { api2.Api2.get().call(); api2.Api2.get().toString(); } }");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
String log = new JavacTask(tb)
.options("-XDrawDiagnostics",
"--module-source-path", src.toString())
.outdir(classes)
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.contains("Test.java:1:52: compiler.err.not.def.access.class.intf.cant.access.reason: call(), api1.Api1, api1, (compiler.misc.not.def.access.does.not.read: m3x, api1, m1x)") ||
!log.contains("Test.java:1:76: compiler.err.not.def.access.class.intf.cant.access: toString(), java.lang.Object"))
throw new Exception("expected output not found");
}
@Test
public void testAssignClassToAutomaticModule(Path base) throws Exception {
//check that if a ClassSymbol belongs to an automatic module, it is properly assigned and not
//duplicated when being accessed through a classfile.
Path automaticSrc = base.resolve("automaticSrc");
tb.writeJavaFiles(automaticSrc, "package api1; public class Api1 {}");
Path automaticClasses = base.resolve("automaticClasses");
tb.createDirectories(automaticClasses);
String automaticLog = new JavacTask(tb)
.outdir(automaticClasses)
.files(findJavaFiles(automaticSrc))
.run()
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!automaticLog.isEmpty())
throw new Exception("expected output not found: " + automaticLog);
Path modulePath = base.resolve("module-path");
Files.createDirectories(modulePath);
Path automaticJar = modulePath.resolve("a-1.0.jar");
new JarTask(tb, automaticJar)
.baseDir(automaticClasses)
.files("api1/Api1.class")
.run();
Path src = base.resolve("src");
Path src_m2 = src.resolve("m2x");
tb.writeJavaFiles(src_m2,
"module m2x { requires a; exports api2; }",
"package api2; public class Api2 { public static api1.Api1 get() { return null; } }");
Path src_m3 = src.resolve("m3x");
tb.writeJavaFiles(src_m3,
"module m3x { requires a; requires m2x; }",
"package test; public class Test { { api2.Api2.get(); api1.Api1 a1; } }");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
new JavacTask(tb)
.options("--module-path", modulePath.toString(),
"--module-source-path", src.toString())
.outdir(classes)
.files(findJavaFiles(src_m2))
.run()
.writeAll();
new JavacTask(tb)
.options("--module-path", modulePath.toString(),
"--module-source-path", src.toString())
.outdir(classes)
.files(findJavaFiles(src_m3))
.run()
.writeAll();
}
@Test
public void testEmptyImplicitModuleInfo(Path base) throws Exception {
Path src = base.resolve("src");
Path src_m1 = src.resolve("m1x");
Files.createDirectories(src_m1);
try (Writer w = Files.newBufferedWriter(src_m1.resolve("module-info.java"))) {}
tb.writeJavaFiles(src_m1,
"package test; public class Test {}");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
List<String> log = new JavacTask(tb)
.options("--source-path", src_m1.toString(),
"-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src_m1.resolve("test")))
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(OutputKind.DIRECT);
List<String> expected = Arrays.asList(
"- compiler.err.cant.access: module-info, (compiler.misc.bad.source.file.header: module-info.java, (compiler.misc.file.does.not.contain.module))",
"1 error");
if (!expected.equals(log)) {
throw new AssertionError("Unexpected output: " + log);
}
tb.writeJavaFiles(src_m1,
"module m1x {}");
new JavacTask(tb)
.options("--source-path", src_m1.toString())
.outdir(classes)
.files(findJavaFiles(src_m1.resolve("test")))
.run()
.writeAll();
}
@Test
public void testClassPackageClash(Path base) throws Exception {
Path src = base.resolve("src");
Path src_m1 = src.resolve("m1x");
tb.writeJavaFiles(src_m1,
"module m1x { exports test.m1x; }",
"""
package test.m1x;
public class Test {}
""");
Path src_m2 = src.resolve("m2x");
tb.writeJavaFiles(src_m2,
"module m2x { requires m1x; }",
"""
package test;
public class m1x {}
""");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
List<String> log = new JavacTask(tb)
.options("--module-source-path", src.toString(),
"-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
List<String> expected = Arrays.asList(
"m1x.java:2:8: compiler.err.clash.with.pkg.of.same.name: kindname.class, test.m1x",
"1 error"
);
if (!expected.equals(log)) {
throw new IllegalStateException(log.toString());
}
}
@Test
public void testImplicitJavaBase(Path base) throws Exception {
Path src = base.resolve("src");
Path src_java_base = src.resolve("java.base");
Files.createDirectories(src_java_base);
tb.writeJavaFiles(src_java_base, "module java.base { exports java.lang; }");
tb.writeJavaFiles(src_java_base,
"package java.lang; public class Object {}");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
//module-info from source:
new JavacTask(tb)
.options("-sourcepath", src_java_base.toString())
.outdir(classes)
.files(findJavaFiles(src_java_base.resolve("java").resolve("lang").resolve("Object.java")))
.run()
.writeAll();
//module-info from class:
if (!Files.exists(classes.resolve("module-info.class"))) {
throw new AssertionError("module-info.class not created!");
}
new JavacTask(tb)
.outdir(classes)
.files(findJavaFiles(src_java_base.resolve("java").resolve("lang").resolve("Object.java")))
.run()
.writeAll();
//broken module-info.class:
Files.newOutputStream(classes.resolve("module-info.class")).close();
List<String> log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src_java_base.resolve("java").resolve("lang").resolve("Object.java")))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(OutputKind.DIRECT);
List<String> expected = Arrays.asList(
"- compiler.err.cant.access: <error>.module-info, (compiler.misc.bad.class.file.header: module-info.class, (compiler.misc.illegal.start.of.class.file))",
"1 error");
if (!expected.equals(log)) {
throw new AssertionError("Unexpected output: " + log);
}
//broken module-info.java:
Files.delete(classes.resolve("module-info.class"));
try (Writer out = Files.newBufferedWriter(src_java_base.resolve("module-info.java"))) {
out.write("class Broken {}");
}
log = new JavacTask(tb)
.options("-sourcepath", src_java_base.toString(),
"-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src_java_base.resolve("java").resolve("lang").resolve("Object.java")))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(OutputKind.DIRECT);
expected = Arrays.asList("X");
if (expected.equals(log)) {
throw new AssertionError("Unexpected output: " + log);
}
}
@Test
public void testModuleInfoNameMismatchSource(Path base) throws Exception {
Path src = base.resolve("src");
Path m1 = src.resolve("m1x");
Files.createDirectories(m1);
tb.writeJavaFiles(m1, "module other { }",
"package test; public class Test {}");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
List<String> log = new JavacTask(tb)
.options("--module-source-path", src.toString(),
"-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(m1.resolve("test").resolve("Test.java")))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(OutputKind.DIRECT);
List<String> expected = Arrays.asList(
"module-info.java:1:1: compiler.err.module.name.mismatch: other, m1x",
"- compiler.err.cant.access: m1x.module-info, (compiler.misc.cant.resolve.modules)",
"2 errors");
if (!expected.equals(log)) {
throw new AssertionError("Unexpected output: " + log);
}
}
@Test
public void testModuleInfoNameMismatchClass(Path base) throws Exception {
Path src = base.resolve("src");
Files.createDirectories(src);
tb.writeJavaFiles(src, "module other { }",
"package test; public class Test {}");
Path classes = base.resolve("classes");
Path m1Classes = classes.resolve("m1x");
tb.createDirectories(m1Classes);
new JavacTask(tb)
.outdir(m1Classes)
.files(findJavaFiles(src))
.run()
.writeAll()
.getOutputLines(OutputKind.DIRECT);
Path src2 = base.resolve("src2");
Files.createDirectories(src2);
tb.writeJavaFiles(src2, "module use { requires m1x; }");
Path classes2 = base.resolve("classes2");
tb.createDirectories(classes2);
List<String> log = new JavacTask(tb)
.options("--module-path", classes.toString(),
"-XDrawDiagnostics")
.outdir(classes2)
.files(findJavaFiles(src2))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(OutputKind.DIRECT);
List<String> expected = Arrays.asList(
"- compiler.err.cant.access: m1x.module-info, (compiler.misc.bad.class.file.header: module-info.class, (compiler.misc.module.name.mismatch: other, m1x))",
"module-info.java:1:1: compiler.err.module.not.found: m1x",
"2 errors");
if (!expected.equals(log)) {
throw new AssertionError("Unexpected output: " + log);
}
}
@Test
public void testGetDirectivesComplete(Path base) throws Exception {
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
JavacTaskImpl task = (JavacTaskImpl) compiler.getTask(null, null, null, null, null, null);
Symtab syms = Symtab.instance(task.getContext());
syms.java_base.getDirectives();
}
@Test
public void testPackageInModuleInfo(Path base) throws Exception {
Path src = base.resolve("src");
Files.createDirectories(src);
tb.writeJavaFiles(src, "package p; module foo { }");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
List<String> log = new JavacTask(tb)
.options("-XDrawDiagnostics", "-XDshould-stop.ifError=FLOW")
.outdir(classes)
.files(findJavaFiles(src))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(OutputKind.DIRECT);
List<String> expected = Arrays.asList(
"module-info.java:1:1: compiler.err.no.pkg.in.module-info.java",
"1 error");
if (!expected.equals(log)) {
throw new AssertionError("Unexpected output: " + log);
}
}
@Test
public void testInvisibleClassVisiblePackageClash(Path base) throws Exception {
Path src = base.resolve("src");
Path src_m1 = src.resolve("m1x");
tb.writeJavaFiles(src_m1,
"module m1x { }",
"""
package m1x;
import m1x.a.*; public class Test { A a; }
""",
"""
package m1x.a;
public class A { }
""");
Path src_m2 = src.resolve("m2x");
tb.writeJavaFiles(src_m2,
"module m2x { }",
"""
package m1x;
public class a { public static class A { } }
""");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
new JavacTask(tb)
.options("--module-source-path", src.toString(),
"-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src))
.run()
.writeAll();
}
@Test
public void testStripUnknownRequired(Path base) throws Exception {
Path src = base.resolve("src");
Path src_m1 = src.resolve("m1x");
tb.writeJavaFiles(src_m1,
"module m1x { }");
Path src_m2 = src.resolve("m2x");
tb.writeJavaFiles(src_m2,
"module m2x { }");
Path src_m3 = src.resolve("m3x");
tb.writeJavaFiles(src_m3,
"module m3x { }");
Path src_m4 = src.resolve("m4x");
tb.writeJavaFiles(src_m4,
"module m4x { }");
Path src_test = src.resolve("test");
tb.writeJavaFiles(src_test,
"module test { requires m1x; requires m2x; requires java.base; requires m3x; requires m4x; }");
Path src_compile = src.resolve("compile");
tb.writeJavaFiles(src_compile,
"module compile { exports p to test; }",
"package p; public class Test { }");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
List<String> log = new JavacTask(tb)
.options("-processor", ListRequires.class.getName(),
"--module-source-path", src.toString(),
"--limit-modules", "compile",
"-XDaccessInternalAPI=true")
.outdir(classes)
.files(findJavaFiles(src_compile))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.STDOUT);
List<String> expected = Arrays.asList(
"from directives:",
"java.base",
"from requires:",
"java.base"
);
if (!Objects.equals(log, expected))
throw new AssertionError("Unexpected output: " + log);
}
@SupportedAnnotationTypes("*")
@SupportedOptions("expectedEnclosedElements")
public static final class ListRequires extends AbstractProcessor {
private int round;
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
if (round++ == 0) {
ModuleElement compileE = processingEnv.getElementUtils().getModuleElement("compile");
ModuleElement testE = ElementFilter.exportsIn(compileE.getDirectives()).get(0).getTargetModules().get(0);
System.out.println("from directives:");
for (RequiresDirective rd : ElementFilter.requiresIn(testE.getDirectives())) {
System.out.println(rd.getDependency().getQualifiedName());
}
System.out.println("from requires:");
for (RequiresDirective rd : ((ModuleSymbol) testE).requires) {
System.out.println(rd.getDependency().getQualifiedName());
}
}
return false;
}
@Override
public SourceVersion getSupportedSourceVersion() {
return SourceVersion.latest();
}
}
@Test
public void testOnDemandCompletionModuleInfoJava(Path base) throws Exception {
Path src = base.resolve("src");
Path src_m1 = src.resolve("m1x");
tb.writeJavaFiles(src_m1,
"@Deprecated module m1x { }");
Path src_m2 = src.resolve("m2x");
tb.writeJavaFiles(src_m2,
"module m2x { requires m1x; }");
Path src_m3 = src.resolve("m3x");
tb.writeJavaFiles(src_m3,
"module m3x { requires m2x; requires m1x; }");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
List<String> log;
List<String> expected;
log = new JavacTask(tb)
.options("--module-source-path", src.toString())
.outdir(classes)
.files(findJavaFiles(src_m1))
.run()
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
expected = Arrays.asList("");
if (!expected.equals(log)) {
throw new IllegalStateException(log.toString());
}
log = new JavacTask(tb)
.options("--module-source-path", src.toString(),
"-XDrawDiagnostics",
"-Xlint:deprecation")
.outdir(classes)
.files(findJavaFiles(src_m3))
.run()
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
expected = Arrays.asList(
"module-info.java:1:23: compiler.warn.has.been.deprecated.module: m1x",
"module-info.java:1:37: compiler.warn.has.been.deprecated.module: m1x",
"2 warnings"
);
if (!expected.equals(log)) {
throw new IllegalStateException(log.toString());
}
}
@Test
public void testUnnamedPackage(Path base) throws Exception {
List<String> out;
List<String> expected;
//-source 8:
Path src8 = base.resolve("src8");
Files.createDirectories(src8);
tb.writeJavaFiles(src8,
"package test; public class Test {}");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
out = new JavacTask(tb)
.options("--source-path", src8.toString(),
"-processor", UnnamedPackageProcessor.class.getName(),
"-source", "8")
.outdir(classes)
.files(findJavaFiles(src8))
.run()
.writeAll()
.getOutputLines(OutputKind.STDOUT);
expected = Arrays.asList("noModule");
if (!expected.equals(out)) {
throw new AssertionError("Unexpected output: " + out);
}
//-source 9, unnamed:
Path srcUnnamed = base.resolve("srcUnnamed");
Files.createDirectories(srcUnnamed);
tb.writeJavaFiles(srcUnnamed,
"public class Test {}");
Path classesUnnamed = base.resolve("classesUnnamed");
tb.createDirectories(classesUnnamed);
out = new JavacTask(tb)
.options("--source-path", srcUnnamed.toString(),
"-processor", UnnamedPackageProcessor.class.getName())
.outdir(classesUnnamed)
.files(findJavaFiles(srcUnnamed))
.run()
.writeAll()
.getOutputLines(OutputKind.STDOUT);
expected = Arrays.asList("unnamedModule");
if (!expected.equals(out)) {
throw new AssertionError("Unexpected output: " + out);
}
//-source 9, named:
Path srcNamed = base.resolve("srcNamed");
Files.createDirectories(srcNamed);
tb.writeJavaFiles(srcNamed,
"module m {}",
"public class Test {}");
Path classesNamed = base.resolve("classesNamed");
tb.createDirectories(classesNamed);
out = new JavacTask(tb)
.options("--source-path", srcNamed.toString(),
"-classpath", "",
"-processorpath", System.getProperty("test.class.path"),
"-processor", UnnamedPackageProcessor.class.getName())
.outdir(classesNamed)
.files(findJavaFiles(srcNamed))
.run()
.writeAll()
.getOutputLines(OutputKind.STDOUT);
expected = Arrays.asList("m");
if (!expected.equals(out)) {
throw new AssertionError("Unexpected output: " + out);
}
//-source 9, conflict:
Path srcNamed2 = base.resolve("srcNamed2");
Path srcNamed2m1 = srcNamed2.resolve("m1x");
Files.createDirectories(srcNamed2m1);
tb.writeJavaFiles(srcNamed2m1,
"module m1x {}",
"public class Test {}");
Path srcNamed2m2 = srcNamed2.resolve("m2x");
Files.createDirectories(srcNamed2m2);
tb.writeJavaFiles(srcNamed2m2,
"module m2x {}",
"public class Test {}");
Path classesNamed2 = base.resolve("classesNamed2");
tb.createDirectories(classesNamed2);
out = new JavacTask(tb)
.options("--module-source-path", srcNamed2.toString(),
"-classpath", "",
"-processorpath", System.getProperty("test.class.path"),
"-processor", UnnamedPackageProcessor.class.getName(),
"-XDshould-stop.ifError=FLOW")
.outdir(classesNamed2)
.files(findJavaFiles(srcNamed2))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(OutputKind.STDOUT);
expected = Arrays.asList("null",
"m1x: true",
"m2x: true");
if (!expected.equals(out)) {
throw new AssertionError("Unexpected output: " + out);
}
}
@SupportedAnnotationTypes("*")
public static final class UnnamedPackageProcessor extends AbstractProcessor {
int round = 0;
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
if (round++ != 0)
return false;
Elements elements = processingEnv.getElementUtils();
PackageElement pe = elements.getPackageElement("");
if (pe == null) {
System.out.println("null");
} else {
ModuleElement mod = (ModuleElement) pe.getEnclosingElement();
if (mod == null) {
System.out.println("noModule");
} else if (mod.isUnnamed()) {
System.out.println("unnamedModule");
} else {
System.out.println(mod);
}
}
ModuleElement m1x = elements.getModuleElement("m1x");
ModuleElement m2x = elements.getModuleElement("m2x");
if (m1x != null && m2x != null) {
System.out.println("m1x: " + (elements.getPackageElement(m1x, "") != null));
System.out.println("m2x: " + (elements.getPackageElement(m2x, "") != null));
}
return false;
}
}
@Test
public void testEmptyInExportedPackage(Path base) throws Exception {
Path src = base.resolve("src");
Path m = src.resolve("m");
tb.writeJavaFiles(m,
"module m { exports api; }");
Path apiFile = m.resolve("api").resolve("Api.java");
Files.createDirectories(apiFile.getParent());
try (BufferedWriter w = Files.newBufferedWriter(apiFile)) {
w.write("//no package decl");
}
Path classes = base.resolve("classes");
tb.createDirectories(classes);
List<String> log;
List<String> expected =
Arrays.asList("module-info.java:1:20: compiler.err.package.empty.or.not.found: api",
"1 error");
System.err.println("file explicitly specified:");
log = new JavacTask(tb)
.options("-XDrawDiagnostics",
"--module-source-path", src.toString())
.outdir(classes)
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
if (!expected.equals(log))
throw new Exception("expected output not found: " + log);
System.err.println("file not specified:");
tb.cleanDirectory(classes);
log = new JavacTask(tb)
.options("-XDrawDiagnostics",
"--module-source-path", src.toString())
.outdir(classes)
.files(findJavaFiles(m.resolve("module-info.java")))
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
if (!expected.equals(log))
throw new Exception("expected output not found: " + log);
}
@Test
public void testJustPackageInExportedPackage(Path base) throws Exception {
Path src = base.resolve("src");
Path m = src.resolve("m");
tb.writeJavaFiles(m,
"module m { exports api; }");
Path apiFile = m.resolve("api").resolve("Api.java");
Files.createDirectories(apiFile.getParent());
try (BufferedWriter w = Files.newBufferedWriter(apiFile)) {
w.write("package api;");
}
Path classes = base.resolve("classes");
tb.createDirectories(classes);
System.err.println("file explicitly specified:");
new JavacTask(tb)
.options("-XDrawDiagnostics",
"--module-source-path", src.toString())
.outdir(classes)
.files(findJavaFiles(src))
.run()
.writeAll();
System.err.println("file not specified:");
tb.cleanDirectory(classes);
new JavacTask(tb)
.options("-XDrawDiagnostics",
"--module-source-path", src.toString())
.outdir(classes)
.files(findJavaFiles(m.resolve("module-info.java")))
.run()
.writeAll();
}
@Test
public void testWrongPackageInExportedPackage(Path base) throws Exception {
Path src = base.resolve("src");
Path m = src.resolve("m");
tb.writeJavaFiles(m,
"module m { exports api; }");
Path apiFile = m.resolve("api").resolve("Api.java");
Files.createDirectories(apiFile.getParent());
try (BufferedWriter w = Files.newBufferedWriter(apiFile)) {
w.write("package impl; public class Api { }");
}
Path classes = base.resolve("classes");
tb.createDirectories(classes);
List<String> log;
List<String> expected =
Arrays.asList("module-info.java:1:20: compiler.err.package.empty.or.not.found: api",
"1 error");
System.err.println("file explicitly specified:");
log = new JavacTask(tb)
.options("-XDrawDiagnostics",
"--module-source-path", src.toString())
.outdir(classes)
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
if (!expected.equals(log))
throw new Exception("expected output not found: " + log);
System.err.println("file not specified:");
tb.cleanDirectory(classes);
log = new JavacTask(tb)
.options("-XDrawDiagnostics",
"--module-source-path", src.toString())
.outdir(classes)
.files(findJavaFiles(m.resolve("module-info.java")))
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
if (!expected.equals(log))
throw new Exception("expected output not found: " + log);
}
@Test
public void testDependOnUnnamedAccessibility(Path base) throws Exception {
Path unnamedSrc = base.resolve("unnamed-src");
tb.writeJavaFiles(unnamedSrc,
"package p1; public class First { public static p2.Second get() { return null; } }",
"package p2; public class Second { public void test() { } }");
Path unnamedClasses = base.resolve("unnamed-classes");
tb.createDirectories(unnamedClasses);
System.err.println("compiling unnamed sources:");
new JavacTask(tb)
.outdir(unnamedClasses)
.files(findJavaFiles(unnamedSrc))
.run()
.writeAll();
//test sources:
Path src = base.resolve("src");
Path m = src.resolve("m");
tb.writeJavaFiles(m,
"module m { }",
"package p; public class Test { { p1.First.get().test(); } }");
Path classes = base.resolve("classes");
tb.createDirectories(classes);