jdk-24/test/langtools/tools/javac/modules/OpenModulesTest.java
2024-07-03 05:03:56 +00:00

279 lines
11 KiB
Java

/*
* Copyright (c) 2016, 2024, 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
* @summary tests for multi-module mode compilation
* @library /tools/lib
* @enablePreview
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* java.base/jdk.internal.classfile.impl
* jdk.jdeps/com.sun.tools.javap
* @build toolbox.ToolBox toolbox.JavacTask toolbox.ModuleBuilder ModuleTestBase
* @run main OpenModulesTest
*/
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.lang.classfile.*;
import java.lang.classfile.attribute.ModuleAttribute;
import toolbox.JavacTask;
import toolbox.JavapTask;
import toolbox.Task;
import toolbox.Task.Expect;
import toolbox.Task.OutputKind;
public class OpenModulesTest extends ModuleTestBase {
public static void main(String... args) throws Exception {
new OpenModulesTest().runTests();
}
@Test
public void testStrongModule(Path base) throws Exception {
Path m1 = base.resolve("m1x");
tb.writeJavaFiles(m1,
"module m1x { exports api1; opens api2; }",
"package api1; public class Api1 {}",
"package api2; public class Api2 {}",
"package impl; public class Impl {}");
Path classes = base.resolve("classes");
Path m1Classes = classes.resolve("m1x");
tb.createDirectories(m1Classes);
String log = new JavacTask(tb)
.outdir(m1Classes)
.files(findJavaFiles(m1))
.run()
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.isEmpty())
throw new Exception("expected output not found: " + log);
String decompiled = new JavapTask(tb)
.options("--system", "none", "-bootclasspath", "")
.classes(m1Classes.resolve("module-info.class").toString())
.run()
.writeAll()
.getOutput(OutputKind.DIRECT)
.replace(System.getProperty("line.separator"), "\n")
.replaceAll("@[^;]*;", ";");
String expected = """
module m1x {
requires java.base;
exports api1;
opens api2;
}""";
if (!decompiled.contains(expected)) {
throw new Exception("expected output not found: " + decompiled);
}
//compiling against a strong module read from binary:
Path m2 = base.resolve("m2x");
tb.writeJavaFiles(m2,
"module m2x { requires m1x; }",
"package test; public class Test { api1.Api1 a1; api2.Api2 a2; }");
Path m2Classes = classes.resolve("m2x");
tb.createDirectories(m2Classes);
List<String> log2 = new JavacTask(tb)
.options("--module-path", m1Classes.toString(),
"-XDrawDiagnostics")
.outdir(m2Classes)
.files(findJavaFiles(m2))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
List<String> expected2 = Arrays.asList("Test.java:1:49: compiler.err.package.not.visible: api2, (compiler.misc.not.def.access.not.exported: api2, m1x)",
"1 error");
if (!Objects.equals(log2, expected2))
throw new Exception("expected output not found: " + log2);
}
@Test
public void testOpenModule(Path base) throws Exception {
Path m1 = base.resolve("m1x");
tb.writeJavaFiles(m1,
"open module m1x { exports api1; }",
"package api1; public class Api1 {}",
"package api2; public class Api2 {}",
"package impl; public class Impl {}");
Path classes = base.resolve("classes");
Path m1Classes = classes.resolve("m1x");
tb.createDirectories(m1Classes);
String log = new JavacTask(tb)
.outdir(m1Classes)
.files(findJavaFiles(m1))
.run()
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.isEmpty())
throw new Exception("expected output not found: " + log);
String decompiled = new JavapTask(tb)
.options("--system", "none", "-bootclasspath", "")
.classes(m1Classes.resolve("module-info.class").toString())
.run()
.writeAll()
.getOutput(OutputKind.DIRECT)
.replace(System.getProperty("line.separator"), "\n")
.replaceAll("@[^;]*;", ";");
String expected = """
open module m1x {
requires java.base;
exports api1;
}""";
if (!decompiled.contains(expected)) {
throw new Exception("expected output not found: " + decompiled);
}
//compiling against a ordinary module read from binary:
Path m2 = base.resolve("m2x");
tb.writeJavaFiles(m2,
"module m2x { requires m1x; }",
"package test; public class Test { api1.Api1 a1; api2.Api2 a2; }");
Path m2Classes = classes.resolve("m2x");
tb.createDirectories(m2Classes);
List<String> log2 = new JavacTask(tb)
.options("--module-path", m1Classes.toString(),
"-XDrawDiagnostics")
.outdir(m2Classes)
.files(findJavaFiles(m2))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
List<String> expected2 = Arrays.asList("Test.java:1:49: compiler.err.package.not.visible: api2, (compiler.misc.not.def.access.not.exported: api2, m1x)",
"1 error");
if (!Objects.equals(log2, expected2))
throw new Exception("expected output not found: " + log2);
}
@Test
public void testOpenModuleNoOpens(Path base) throws Exception {
Path m1 = base.resolve("m1x");
tb.writeJavaFiles(m1,
"open module m1x { exports api1; opens api2; }",
"package api1; public class Api1 {}",
"package api2; public class Api2 {}",
"package impl; public class Impl {}");
Path classes = base.resolve("classes");
Path m1Classes = classes.resolve("m1x");
tb.createDirectories(m1Classes);
List<String> log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.outdir(m1Classes)
.files(findJavaFiles(m1))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
List<String> expected = Arrays.asList("module-info.java:1:33: compiler.err.no.opens.unless.strong",
"1 error");
if (!expected.equals(log))
throw new Exception("expected output not found: " + log);
}
@Test
public void testNonZeroOpensInOpen(Path base) throws Exception {
Path m1 = base.resolve("m1x");
tb.writeJavaFiles(m1,
"module m1x { opens api; }",
"package api; public class Api {}");
Path classes = base.resolve("classes");
Path m1Classes = classes.resolve("m1x");
tb.createDirectories(m1Classes);
new JavacTask(tb)
.options("-XDrawDiagnostics")
.outdir(m1Classes)
.files(findJavaFiles(m1))
.run(Expect.SUCCESS)
.writeAll();
Path miClass = m1Classes.resolve("module-info.class");
ClassModel cm = ClassFile.of().parse(miClass);
ModuleAttribute module = cm.findAttribute(Attributes.module()).orElseThrow();
ModuleAttribute newModule = ModuleAttribute.of(module.moduleName(),
module.moduleFlagsMask() | ClassFile.ACC_OPEN,
module.moduleVersion().orElse(null),
module.requires(),
module.exports(),
module.opens(),
module.uses(),
module.provides());
byte[] newBytes = ClassFile.of().transformClass(cm, ClassTransform.dropping(ce -> ce instanceof ModuleAttribute).
andThen(ClassTransform.endHandler(classBuilder -> classBuilder.with(newModule))));
try (OutputStream out = Files.newOutputStream(miClass)) {
out.write(newBytes);
}
Path test = base.resolve("test");
tb.writeJavaFiles(test,
"package impl; public class Impl extends api.Api {}");
Path testClasses = base.resolve("test-classes");
tb.createDirectories(testClasses);
List<String> log = new JavacTask(tb)
.options("-XDrawDiagnostics",
"--module-path", classes.toString(),
"--add-modules", "m1x")
.outdir(testClasses)
.files(findJavaFiles(test))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(Task.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.non.zero.opens: m1x))",
"1 error");
if (!expected.equals(log))
throw new Exception("expected output not found: " + log);
}
}