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/*
* @test
* @bug 8154283
* @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
* @build toolbox.ToolBox toolbox.JarTask toolbox.JavacTask ModuleTestBase
* @run main EdgeCases
*/
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.lang.model.element.Element;
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.JavacTask; // conflicts with toolbox.JavacTask
import com.sun.tools.javac.api.JavacTaskImpl;
import com.sun.tools.javac.code.Symbol.ModuleSymbol;
import toolbox.JarTask;
import toolbox.JavacTask;
import toolbox.Task;
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 undef.Any; public class Test {}");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
List<String> log = new JavacTask(tb)
.options("-XaddExports:undef/undef=ALL-UNNAMED", "-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
List<String> expected = Arrays.asList("- compiler.err.cant.find.module: undef",
"Test.java:1:27: compiler.err.doesnt.exist: undef",
"2 errors");
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("m1");
tb.writeJavaFiles(m1, "module m1 { }");
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("m1");
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("m1");
tb.writeJavaFiles(m1, "module m1 { }",
"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("m1");
tb.writeJavaFiles(src_m1,
"module m1 { exports api1; }",
"package api1; public class Api1 { public void call() { } }");
Path src_m2 = src.resolve("m2");
tb.writeJavaFiles(src_m2,
"module m2 { requires m1; exports api2; }",
"package api2; public class Api2 { public static api1.Api1 get() { return null; } }");
Path src_m3 = src.resolve("m3");
tb.writeJavaFiles(src_m3,
"module m3 { requires m2; }",
"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",
"-modulesourcepath", 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: call(), api1.Api1") ||
!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("m1-1.0.jar");
new JarTask(tb, automaticJar)
.baseDir(automaticClasses)
.files("api1/Api1.class")
.run();
Path src = base.resolve("src");
Path src_m2 = src.resolve("m2");
tb.writeJavaFiles(src_m2,
"module m2 { requires m1; exports api2; }",
"package api2; public class Api2 { public static api1.Api1 get() { return null; } }");
Path src_m3 = src.resolve("m3");
tb.writeJavaFiles(src_m3,
"module m3 { requires m1; requires m2; }",
"package test; public class Test { { api2.Api2.get(); api1.Api1 a1; } }");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
new JavacTask(tb)
.options("-modulepath", modulePath.toString(),
"-modulesourcepath", src.toString())
.outdir(classes)
.files(findJavaFiles(src_m2))
.run()
.writeAll();
new JavacTask(tb)
.options("-modulepath", modulePath.toString(),
"-modulesourcepath", 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("m1");
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);
new JavacTask(tb)
.options("-sourcepath", src_m1.toString(),
"-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src_m1.resolve("test")))
.run(Task.Expect.FAIL)
.writeAll();
tb.writeJavaFiles(src_m1,
"module m1 {}");
new JavacTask(tb)
.options("-sourcepath", 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("m1");
tb.writeJavaFiles(src_m1,
"module m1 { exports test.m1; }",
"package test.m1;\n" +
"public class Test {}\n");
Path src_m2 = src.resolve("m2");
tb.writeJavaFiles(src_m2,
"module m2 { requires m1; }",
"package test;\n" +
"public class m1 {}\n");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
List<String> log = new JavacTask(tb)
.options("-modulesourcepath", src.toString(),
"-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
List<String> expected = Arrays.asList(
"m1.java:2:8: compiler.err.clash.with.pkg.of.same.name: kindname.class, test.m1",
"1 error"
);
if (!expected.equals(log)) {
throw new IllegalStateException(log.toString());
}
}
}