/*
* Copyright (c) 2015, 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 8158123 8161906 8162713
* @summary tests for module declarations
* @library /tools/lib
* @modules
* jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* jdk.jdeps/com.sun.tools.javap
* @build toolbox.ToolBox toolbox.JavacTask ModuleTestBase
* @run main ModuleInfoTest
*/
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import toolbox.JavacTask;
import toolbox.Task;
import toolbox.ToolBox;
public class ModuleInfoTest extends ModuleTestBase {
public static void main(String... args) throws Exception {
ModuleInfoTest t = new ModuleInfoTest();
t.runTests();
}
/**
* Check error message if module declaration not in module-info.java.
*/
@Test
public void testModuleDeclNotInModuleJava(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeFile(src.resolve("M.java"), "module M { }");
String log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.contains("M.java:1:1: compiler.err.module.decl.sb.in.module-info.java"))
throw new Exception("expected output not found");
}
/**
* Verify that a package private class can be put in module-info.java.
*/
@Test
public void testNotModuleDeclInModuleJava_1(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeFile(src.resolve("module-info.java"), "class C { }");
new JavacTask(tb)
.options("-XDrawDiagnostics")
.files(findJavaFiles(src))
.run()
.writeAll();
}
/**
* Verify that a public class cannot be put in module-info.java.
*/
@Test
public void testNotModuleDeclInModuleJava_2(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeFile(src.resolve("module-info.java"), "public class C { }");
String log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.contains("module-info.java:1:8: compiler.err.class.public.should.be.in.file: C"))
throw new Exception("expected output not found");
}
/**
* Verify that only one module decl can be put in module-info.java.
*/
@Test
public void testSingleModuleDecl(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src, "module M1 { } /*...*/ module M2 { }");
String log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.contains("module-info.java:1:14: compiler.err.expected: token.end-of-input"))
throw new Exception("expected output not found");
}
/**
* Verify that missing requires are reported.
*/
@Test
public void testRequiresNotFound(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src, "module M1 { requires M2; }");
String log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.contains("module-info.java:1:22: compiler.err.module.not.found: M2"))
throw new Exception("expected output not found");
}
/**
* Verify that missing exports are reported.
*/
@Test
public void testExportsNotFound(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src, "module M1 { exports p to M2; }");
String log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.contains("module-info.java:1:26: compiler.err.module.not.found: M2"))
throw new Exception("expected output not found");
}
/**
* Verify that a simple loop is detected.
*/
@Test
public void testRequiresSelf(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src, "module M { requires M; }");
String log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.contains("module-info.java:1:21: compiler.err.cyclic.requires: M"))
throw new Exception("expected output not found");
}
/**
* Verify that a multi-module loop is detected.
*/
@Test
public void testRequiresLoop(Path base) throws Exception {
Path src = base.resolve("src");
Path src_m1 = src.resolve("m1");
tb.writeFile(src_m1.resolve("module-info.java"), "module m1 { requires m2; }");
Path src_m2 = src.resolve("m2");
tb.writeFile(src_m2.resolve("module-info.java"), "module m2 { requires m3; }");
Path src_m3 = src.resolve("m3");
tb.writeFile(src_m3.resolve("module-info.java"), "module m3 { requires m1; }");
Path classes = base.resolve("classes");
Files.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("module-info.java:1:22: compiler.err.cyclic.requires: m3"))
throw new Exception("expected output not found");
}
/**
* Verify that a multi-module loop is detected.
*/
@Test
public void testRequiresTransitiveLoop(Path base) throws Exception {
Path src = base.resolve("src");
Path src_m1 = src.resolve("m1");
tb.writeFile(src_m1.resolve("module-info.java"), "module m1 { requires m2; }");
Path src_m2 = src.resolve("m2");
tb.writeFile(src_m2.resolve("module-info.java"), "module m2 { requires transitive m3; }");
Path src_m3 = src.resolve("m3");
tb.writeFile(src_m3.resolve("module-info.java"), "module m3 { requires m1; }");
Path classes = base.resolve("classes");
Files.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("module-info.java:1:33: compiler.err.cyclic.requires: m3"))
throw new Exception("expected output not found");
}
/**
* Verify that duplicate requires are detected.
*/
@Test
public void testDuplicateRequires(Path base) throws Exception {
Path src = base.resolve("src");
Path src_m1 = src.resolve("m1");
tb.writeFile(src_m1.resolve("module-info.java"), "module m1 { }");
Path src_m2 = src.resolve("m2");
tb.writeFile(src_m2.resolve("module-info.java"), "module m2 { requires m1; requires m1; }");
Path classes = base.resolve("classes");
Files.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("module-info.java:1:35: compiler.err.duplicate.requires: m1"))
throw new Exception("expected output not found");
}
/**
* Verify that duplicate requires are detected.
*/
@Test
public void testDuplicateRequiresTransitiveStatic(Path base) throws Exception {
Path src = base.resolve("src");
Path src_m1 = src.resolve("m1");
tb.writeFile(src_m1.resolve("module-info.java"), "module m1 { }");
Path src_m2 = src.resolve("m2");
tb.writeFile(src_m2.resolve("module-info.java"), "module m2 { requires transitive m1; requires static m1; }");
Path classes = base.resolve("classes");
Files.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("module-info.java:1:53: compiler.err.duplicate.requires: m1"))
throw new Exception("expected output not found");
}
/**
* Verify that duplicate exported packages are detected correctly.
*/
@Test
public void testConflictingExports_packages(Path base) throws Exception {
verifyConflictingExports_packages(base,
"exports p; exports q;",
null);
verifyConflictingExports_packages(base,
"exports p; exports p;",
"module-info.java:1:32: compiler.err.conflicting.exports: p");
verifyConflictingExports_packages(base,
"exports p; opens p;",
null);
verifyConflictingExports_packages(base,
"exports p; exports p to m2;",
"module-info.java:1:32: compiler.err.conflicting.exports: p");
verifyConflictingExports_packages(base,
"exports p; opens p to m2;",
null);
verifyConflictingExports_packages(base,
"opens p; exports p;",
null);
verifyConflictingExports_packages(base,
"opens p; opens p;",
"module-info.java:1:28: compiler.err.conflicting.opens: p");
verifyConflictingExports_packages(base,
"opens p; exports p to m2;",
null);
verifyConflictingExports_packages(base,
"opens p; opens p to m2;",
"module-info.java:1:28: compiler.err.conflicting.opens: p");
verifyConflictingExports_packages(base,
"exports p to m2; exports p;",
"module-info.java:1:38: compiler.err.conflicting.exports: p");
verifyConflictingExports_packages(base,
"exports p to m2; opens p;",
null);
verifyConflictingExports_packages(base,
"exports p to m2; exports p to m2;",
"module-info.java:1:43: compiler.err.conflicting.exports.to.module: m2");
verifyConflictingExports_packages(base,
"exports p to m2; opens p to m2;",
null);
verifyConflictingExports_packages(base,
"opens p to m2; exports p;",
null);
verifyConflictingExports_packages(base,
"opens p to m2; opens p;",
"module-info.java:1:34: compiler.err.conflicting.opens: p");
verifyConflictingExports_packages(base,
"opens p to m2; exports p to m2;",
null);
verifyConflictingExports_packages(base,
"opens p to m2; opens p to m2;",
"module-info.java:1:34: compiler.err.conflicting.opens: p");
verifyConflictingExports_packages(base,
"exports p to m2; exports p to m3;",
"module-info.java:1:38: compiler.err.conflicting.exports: p");
verifyConflictingExports_packages(base,
"exports p to m2; opens p to m3;",
null);
verifyConflictingExports_packages(base,
"opens p to m2; exports p to m3;",
null);
verifyConflictingExports_packages(base,
"opens p to m2; opens p to m3;",
"module-info.java:1:34: compiler.err.conflicting.opens: p");
}
private void verifyConflictingExports_packages(Path base, String code, String expected) throws Exception {
Files.createDirectories(base);
tb.cleanDirectory(base);
Path src = base.resolve("src");
tb.writeJavaFiles(src.resolve("m1"),
"module m1 { " + code + " }",
"package p; public class P {}",
"package q; public class Q {}");
tb.writeJavaFiles(src.resolve("m2"),
"module m2 { requires m1; }");
tb.writeJavaFiles(src.resolve("m3"),
"module m3 { requires m1; }");
Path classes = base.resolve("classes");
Files.createDirectories(classes);
String log = new JavacTask(tb)
.options("-XDrawDiagnostics",
"--module-source-path", src.toString())
.outdir(classes)
.files(findJavaFiles(src))
.run(expected != null ? Task.Expect.FAIL : Task.Expect.SUCCESS)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (expected != null && !log.contains(expected))
throw new Exception("expected output not found, actual output: " + log);
}
/**
* Verify that duplicate exported packages are detected.
*/
@Test
public void testConflictingExports_modules(Path base) throws Exception {
Path src = base.resolve("src");
Path src_m1 = src.resolve("m1");
tb.writeFile(src_m1.resolve("module-info.java"), "module m1 { }");
Path src_m2 = src.resolve("m2");
tb.writeFile(src_m2.resolve("module-info.java"), "module m2 { exports p to m1, m1; }");
Path classes = base.resolve("classes");
Files.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("module-info.java:1:30: compiler.err.conflicting.exports.to.module: m1"))
throw new Exception("expected output not found");
}
/**
* Verify that annotations are not permitted at
* any of the module names or the package names.
*/
@Test
public void testAnnotations(Path base) throws Exception {
Path src = base.resolve("src");
Path src_m1 = src.resolve("m1.sub");
Path classes = base.resolve("classes");
Files.createDirectories(classes);
String code = "module @m1.@sub { " +
"requires @p1.@p2; " +
"exports @p1.@p2; " +
"exports @p1.@p2 to @m2.@sub; " +
"exports @p1.@p2 to @m2.@sub, @m3.@sub; " +
"uses @p1.@Interface; " +
"provides @p1.@Interface with @p2.@Concrete; " +
"}";
String[] splittedCode = code.split("@");
int length = splittedCode.length;
String anno = "@Anno ";
for (int i = 1; i < length; i++) {
String preAnno = String.join("", Arrays.copyOfRange(splittedCode, 0, i));
String postAnno = String.join("", Arrays.copyOfRange(splittedCode, i, length));
String moduleInfo = preAnno + anno + postAnno;
tb.writeFile(src_m1.resolve("module-info.java"), moduleInfo);
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);
String expect_prefix = "(?s)^module\\-info\\.java:\\d+:\\d+: ";
String expect_message = "compiler\\.err\\.expected: token\\.identifier";
String expect_suffix = ".*";
String expect = expect_prefix + expect_message + expect_suffix;
if (!log.matches(expect))
throw new Exception("expected output not found for: " + moduleInfo + "; actual: " + log);
}
}
}