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

276 lines
10 KiB
Java

/*
* Copyright (c) 2015, 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
* @bug 8171177 8187591
* @summary Verify that ModuleResolution attribute flags are honored.
* @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
* java.base/jdk.internal.module
* jdk.jdeps/com.sun.tools.javap
* @build toolbox.ToolBox toolbox.JarTask toolbox.JavacTask toolbox.JavapTask ModuleTestBase
* @run main IncubatingTest
*/
import java.io.IOException;
import java.io.OutputStream;
import java.net.URI;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.lang.classfile.*;
import java.lang.classfile.attribute.ModuleResolutionAttribute;
import java.lang.classfile.constantpool.*;
import toolbox.JavacTask;
import toolbox.Task;
import toolbox.Task.Expect;
import static jdk.internal.module.ClassFileConstants.DO_NOT_RESOLVE_BY_DEFAULT;
import static jdk.internal.module.ClassFileConstants.WARN_INCUBATING;
public class IncubatingTest extends ModuleTestBase {
public static void main(String... args) throws Exception {
new IncubatingTest().runTests();
}
@Test
public void testDoNotResolve(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src,
"module jdk.i { exports api; }",
"package api; public class Api { }");
Path classes = base.resolve("classes");
Files.deleteIfExists(classes);
Path iClasses = classes.resolve("jdk.i");
tb.createDirectories(iClasses);
new JavacTask(tb)
.outdir(iClasses)
.files(findJavaFiles(src))
.run()
.writeAll();
copyJavaBase(classes);
Path jdkIModuleInfo = iClasses.resolve("module-info.class");
addModuleResolutionAttribute(jdkIModuleInfo, DO_NOT_RESOLVE_BY_DEFAULT);
Path testSrc = base.resolve("test-src");
tb.writeJavaFiles(testSrc,
"class T { api.Api api; }");
Path testClasses = base.resolve("test-classes");
tb.createDirectories(testClasses);
List<String> log;
List<String> expected;
log = new JavacTask(tb)
.options("--system", "none",
"--upgrade-module-path", classes.toString(),
"-XDrawDiagnostics")
.outdir(testClasses)
.files(findJavaFiles(testSrc))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
expected = Arrays.asList(
"T.java:1:11: compiler.err.package.not.visible: api, (compiler.misc.not.def.access.does.not.read.from.unnamed: api, jdk.i)",
"1 error"
);
if (!expected.equals(log)) {
throw new AssertionError("Unexpected output: " + log);
}
log = new JavacTask(tb)
.options("--system", "none",
"--upgrade-module-path", classes.toString(),
"--add-modules", "ALL-SYSTEM",
"-XDrawDiagnostics")
.outdir(testClasses)
.files(findJavaFiles(testSrc))
.run(Expect.SUCCESS)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
expected = Arrays.asList("");
if (!expected.equals(log)) {
throw new AssertionError("Unexpected output: " + log);
}
new JavacTask(tb)
.options("--system", "none",
"--upgrade-module-path", classes.toString(),
"--add-modules", "jdk.i")
.outdir(testClasses)
.files(findJavaFiles(testSrc))
.run()
.writeAll();
Path testModuleSrc = base.resolve("test-module-src");
tb.writeJavaFiles(testModuleSrc,
"module test { requires jdk.i; }", //explicit requires of an incubating module
"class T { api.Api api; }");
Path testModuleClasses = base.resolve("test-module-classes");
tb.createDirectories(testModuleClasses);
new JavacTask(tb)
.options("--system", "none",
"--upgrade-module-path", classes.toString())
.outdir(testModuleClasses)
.files(findJavaFiles(testModuleSrc))
.run()
.writeAll();
}
@Test
public void testIncubating(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src,
"module jdk.i { exports api; }",
"package api; public class Api { }");
Path classes = base.resolve("classes");
Files.deleteIfExists(classes);
Path iClasses = classes.resolve("jdk.i");
tb.createDirectories(iClasses);
new JavacTask(tb)
.outdir(iClasses)
.files(findJavaFiles(src))
.run()
.writeAll();
Path jdkIModuleInfo = iClasses.resolve("module-info.class");
addModuleResolutionAttribute(jdkIModuleInfo, WARN_INCUBATING);
Path testSrc = base.resolve("test-src");
tb.writeJavaFiles(testSrc,
"class T { api.Api api; }");
Path testClasses = base.resolve("test-classes");
tb.createDirectories(testClasses);
List<String> log;
List<String> expected;
log = new JavacTask(tb)
.options("--module-path", classes.toString(),
"--add-modules", "jdk.i",
"-XDrawDiagnostics",
"-Werror")
.outdir(testClasses)
.files(findJavaFiles(testSrc))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
expected = Arrays.asList(
"- compiler.warn.incubating.modules: jdk.i",
"- compiler.err.warnings.and.werror",
"1 error",
"1 warning"
);
if (!expected.equals(log)) {
throw new AssertionError("Unexpected output: " + log);
}
Path testModuleSrc = base.resolve("test-module-src");
tb.writeJavaFiles(testModuleSrc,
"module test { requires jdk.i; }", //explicit requires of an incubating module
"class T { api.Api api; }");
Path testModuleClasses = base.resolve("test-module-classes");
tb.createDirectories(testModuleClasses);
log = new JavacTask(tb)
.options("--module-path", classes.toString(),
"-XDrawDiagnostics",
"-Werror")
.outdir(testModuleClasses)
.files(findJavaFiles(testModuleSrc))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
expected = Arrays.asList(
"- compiler.warn.incubating.modules: jdk.i",
"- compiler.err.warnings.and.werror",
"1 error",
"1 warning"
);
if (!expected.equals(log)) {
throw new AssertionError("Unexpected output: " + log);
}
//test disable lint incubating
new JavacTask(tb)
.options("--module-path", classes.toString(),
"-XDrawDiagnostics",
"-Xlint:-incubating",
"-Werror")
.outdir(testModuleClasses)
.files(findJavaFiles(testModuleSrc))
.run(Expect.SUCCESS);
}
private void copyJavaBase(Path targetDir) throws IOException {
FileSystem jrt = FileSystems.getFileSystem(URI.create("jrt:/"));
Path javaBase = jrt.getPath("modules", "java.base");
if (!Files.exists(javaBase)) {
throw new AssertionError("No java.base?");
}
Path javaBaseClasses = targetDir.resolve("java.base");
for (Path clazz : tb.findFiles("class", javaBase)) {
Path target = javaBaseClasses.resolve(javaBase.relativize(clazz).toString());
Files.createDirectories(target.getParent());
Files.copy(clazz, target);
}
}
private void addModuleResolutionAttribute(Path classfile, int resolution_flags) throws Exception {
ClassModel cm = ClassFile.of().parse(classfile);
ModuleResolutionAttribute modRAttr = ModuleResolutionAttribute.of(resolution_flags);
byte[] newBytes = ClassFile.of().transformClass(cm, ClassTransform.dropping(ce -> ce instanceof ModuleResolutionAttribute).
andThen(ClassTransform.endHandler(classBuilder -> classBuilder.with(modRAttr))));
try (OutputStream out = Files.newOutputStream(classfile)) {
out.write(newBytes);
}
}
}