| /* |
| * Copyright (c) 2022, 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 8282823 |
| * @library /tools/lib |
| * @modules |
| * jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.main |
| * jdk.jdeps/com.sun.tools.classfile |
| * @build toolbox.ToolBox toolbox.JavacTask |
| * @run main PreviewTest |
| */ |
| import com.sun.tools.classfile.ClassFile; |
| import java.io.InputStream; |
| import java.nio.file.Files; |
| import toolbox.JavacTask; |
| import toolbox.Task; |
| import toolbox.TestRunner; |
| import toolbox.ToolBox; |
| |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.List; |
| |
| public class PreviewTest extends TestRunner { |
| |
| protected ToolBox tb; |
| |
| PreviewTest() { |
| super(System.err); |
| tb = new ToolBox(); |
| } |
| |
| public static void main(String... args) throws Exception { |
| PreviewTest t = new PreviewTest(); |
| t.runTests(); |
| } |
| |
| protected void runTests() throws Exception { |
| runTests(m -> new Object[] { Paths.get(m.getName()) }); |
| } |
| |
| @Test |
| public void previewAPI(Path base) throws Exception { |
| Path apiSrc = base.resolve("api-src"); |
| tb.writeJavaFiles(apiSrc, |
| """ |
| package preview.api; |
| public class OuterClass { |
| @jdk.internal.javac.PreviewFeature(feature=jdk.internal.javac.PreviewFeature.Feature.TEST) |
| public void test() {} |
| } |
| """, |
| """ |
| package preview.api; |
| public interface OuterIntf { |
| @jdk.internal.javac.PreviewFeature(feature=jdk.internal.javac.PreviewFeature.Feature.TEST) |
| public void test(); |
| } |
| """, |
| """ |
| package preview.api; |
| public interface OuterIntfDef { |
| @jdk.internal.javac.PreviewFeature(feature=jdk.internal.javac.PreviewFeature.Feature.TEST) |
| public default void test() {}; |
| } |
| """); |
| Path apiClasses = base.resolve("api-classes"); |
| |
| new JavacTask(tb, Task.Mode.CMDLINE) |
| .outdir(apiClasses) |
| .options("-XDrawDiagnostics", |
| "--patch-module", "java.base=" + apiSrc.toString(), |
| "-Werror") |
| .files(tb.findJavaFiles(apiSrc)) |
| .run() |
| .writeAll() |
| .getOutputLines(Task.OutputKind.DIRECT); |
| |
| Path testSrc = base.resolve("test-src"); |
| tb.writeJavaFiles(testSrc, |
| """ |
| package test; |
| import preview.api.OuterClass; |
| public class UseClass1 extends OuterClass { |
| } |
| """, |
| """ |
| package test; |
| public class UseSubClass11 extends UseClass1 { |
| } |
| """, |
| """ |
| package test; |
| public class UseSubClass12P extends UseClass1 { |
| public void test() {} |
| } |
| """, |
| """ |
| package test; |
| import preview.api.OuterClass; |
| public class UseClass2P extends OuterClass { |
| public void test() {} |
| } |
| """, |
| """ |
| package test; |
| public class UseSubClass21 extends UseClass2P { |
| } |
| """, |
| """ |
| package test; |
| public class UseSubClass22 extends UseClass2P { |
| public void test() {} |
| } |
| """, |
| """ |
| package test; |
| import preview.api.OuterIntf; |
| public class UseIntf2P implements OuterIntf { |
| public void test() {} |
| } |
| """, |
| """ |
| package test; |
| public class UseSubIntf21 extends UseIntf2P { |
| } |
| """, |
| """ |
| package test; |
| public class UseSubIntf22 extends UseIntf2P { |
| public void test() {} |
| } |
| """, |
| """ |
| package test; |
| import preview.api.OuterIntfDef; |
| public class UseIntfDef1 implements OuterIntfDef { |
| } |
| """, |
| """ |
| package test; |
| public class UseSubIntfDef11 extends UseIntfDef1 { |
| } |
| """, |
| """ |
| package test; |
| public class UseSubIntfDef12P extends UseIntfDef1 { |
| public void test() {} |
| } |
| """, |
| """ |
| package test; |
| import preview.api.OuterIntfDef; |
| public class UseIntfDef2P implements OuterIntfDef { |
| public void test() {} |
| } |
| """, |
| """ |
| package test; |
| public class UseSubIntfDef21 extends UseIntfDef2P { |
| } |
| """, |
| """ |
| package test; |
| public class UseSubIntfDef22 extends UseIntfDef2P { |
| public void test() {} |
| } |
| """, |
| """ |
| package test; |
| import preview.api.OuterIntf; |
| public interface IUseIntf1 extends OuterIntf { |
| } |
| """, |
| """ |
| package test; |
| import preview.api.OuterIntf; |
| public interface IUseIntf2P extends OuterIntf { |
| public default void test() {} |
| } |
| """, |
| """ |
| package test; |
| import preview.api.OuterIntfDef; |
| public interface IUseIntfDef1 extends OuterIntfDef { |
| } |
| """, |
| """ |
| package test; |
| import preview.api.OuterIntfDef; |
| public interface IUseIntfDef2P extends OuterIntfDef { |
| public default void test() {} |
| } |
| """); |
| Path testClasses = base.resolve("test-classes"); |
| List<String> log = new JavacTask(tb, Task.Mode.CMDLINE) |
| .outdir(testClasses) |
| .options("--patch-module", "java.base=" + apiClasses.toString(), |
| "--add-exports", "java.base/preview.api=ALL-UNNAMED", |
| "-XDrawDiagnostics") |
| .files(tb.findJavaFiles(testSrc)) |
| .run(Task.Expect.FAIL) |
| .writeAll() |
| .getOutputLines(Task.OutputKind.DIRECT); |
| |
| List<String> expected = |
| List.of("IUseIntf2P.java:3:8: compiler.err.is.preview: test()", |
| "IUseIntfDef2P.java:3:8: compiler.err.is.preview: test()", |
| "UseClass2P.java:4:17: compiler.err.is.preview: test()", |
| "UseIntf2P.java:3:8: compiler.err.is.preview: test()", |
| "UseIntfDef2P.java:3:8: compiler.err.is.preview: test()", |
| "UseSubClass12P.java:3:17: compiler.err.is.preview: test()", |
| "UseSubIntfDef12P.java:2:8: compiler.err.is.preview: test()", |
| "7 errors"); |
| |
| if (!log.equals(expected)) |
| throw new Exception("expected output not found" + log); |
| |
| Path[] sources = tb.findJavaFiles(testSrc); |
| |
| log = new JavacTask(tb, Task.Mode.CMDLINE) |
| .outdir(testClasses) |
| .options("--patch-module", "java.base=" + apiClasses.toString(), |
| "--add-exports", "java.base/preview.api=ALL-UNNAMED", |
| "--enable-preview", |
| "-Xlint:preview", |
| "-source", String.valueOf(Runtime.version().feature()), |
| "-XDrawDiagnostics") |
| .files(sources) |
| .run(Task.Expect.SUCCESS) |
| .writeAll() |
| .getOutputLines(Task.OutputKind.DIRECT); |
| |
| expected = |
| List.of("IUseIntf2P.java:3:8: compiler.warn.is.preview: test()", |
| "IUseIntfDef2P.java:3:8: compiler.warn.is.preview: test()", |
| "UseClass2P.java:4:17: compiler.warn.is.preview: test()", |
| "UseIntf2P.java:3:8: compiler.warn.is.preview: test()", |
| "UseIntfDef2P.java:3:8: compiler.warn.is.preview: test()", |
| "UseSubClass12P.java:3:17: compiler.warn.is.preview: test()", |
| "UseSubIntfDef12P.java:2:8: compiler.warn.is.preview: test()", |
| "7 warnings"); |
| |
| if (!log.equals(expected)) |
| throw new Exception("expected output not found" + log); |
| |
| int classfileCount = verifyPreviewClassfiles(testClasses); |
| |
| if (sources.length != classfileCount) { |
| throw new IllegalStateException("Unexpected number of classfiles: " + classfileCount + ", number of source files: " + sources.length); |
| } |
| |
| for (Path source : sources) { |
| log = new JavacTask(tb, Task.Mode.CMDLINE) |
| .classpath(testClasses) |
| .outdir(testClasses) |
| .options("--patch-module", "java.base=" + apiClasses.toString(), |
| "--add-exports", "java.base/preview.api=ALL-UNNAMED", |
| "--enable-preview", |
| "-Xlint:preview", |
| "-source", String.valueOf(Runtime.version().feature()), |
| "-XDrawDiagnostics") |
| .files(source) |
| .run(Task.Expect.SUCCESS) |
| .writeAll() |
| .getOutputLines(Task.OutputKind.DIRECT); |
| |
| boolean preview = source.getFileName().toString().contains("P."); |
| boolean hasWarning = false; |
| for (String line : log) { |
| hasWarning |= line.contains(source.getFileName().toString()) && |
| line.contains("compiler.warn.is.preview: test()"); |
| } |
| |
| if (preview != hasWarning) |
| throw new Exception("expected " + (preview ? "preview" : "not preview") + |
| "but got " + (hasWarning ? "warning" : "no warning") + |
| "in: " + log); |
| |
| classfileCount = verifyPreviewClassfiles(testClasses); |
| |
| if (sources.length != classfileCount) { |
| throw new IllegalStateException("Unexpected number of classfiles: " + classfileCount + ", number of source files: " + sources.length); |
| } |
| } |
| } |
| |
| @Test |
| public void previewAPIAbstractReAbstract(Path base) throws Exception { |
| Path apiSrc = base.resolve("api-src"); |
| tb.writeJavaFiles(apiSrc, |
| """ |
| package preview.api; |
| public class Concrete { |
| @jdk.internal.javac.PreviewFeature(feature=jdk.internal.javac.PreviewFeature.Feature.TEST) |
| public void test() {} |
| } |
| """, |
| """ |
| package preview.api; |
| public abstract class Abstract { |
| @jdk.internal.javac.PreviewFeature(feature=jdk.internal.javac.PreviewFeature.Feature.TEST) |
| public abstract void test(); |
| } |
| """); |
| Path apiClasses = base.resolve("api-classes"); |
| |
| new JavacTask(tb, Task.Mode.CMDLINE) |
| .outdir(apiClasses) |
| .options("-XDrawDiagnostics", "-doe", |
| "--patch-module", "java.base=" + apiSrc.toString(), |
| "-Werror") |
| .files(tb.findJavaFiles(apiSrc)) |
| .run() |
| .writeAll() |
| .getOutputLines(Task.OutputKind.DIRECT); |
| |
| Path testSrc = base.resolve("test-src"); |
| tb.writeJavaFiles(testSrc, |
| """ |
| package test; |
| import preview.api.Concrete; |
| public abstract class ReabstractP extends Concrete { |
| public abstract void test(); |
| } |
| """, |
| """ |
| package test; |
| public abstract class ReabstractSubclass1 extends ReabstractP { |
| public abstract void test(); |
| } |
| """, |
| """ |
| package test; |
| public class ReabstractSubclass2 extends ReabstractP { |
| public void test() {} |
| } |
| """, |
| """ |
| package test; |
| import preview.api.Abstract; |
| public abstract class AbstractP extends Abstract { |
| public abstract void test(); |
| } |
| """, |
| """ |
| package test; |
| public abstract class AbstractSubclass1 extends AbstractP { |
| public abstract void test(); |
| } |
| """, |
| """ |
| package test; |
| public class AbstractSubclass2 extends AbstractP { |
| public void test() {} |
| } |
| """); |
| Path testClasses = base.resolve("test-classes"); |
| List<String> log = new JavacTask(tb, Task.Mode.CMDLINE) |
| .outdir(testClasses) |
| .options("--patch-module", "java.base=" + apiClasses.toString(), |
| "--add-exports", "java.base/preview.api=ALL-UNNAMED", |
| "-XDrawDiagnostics") |
| .files(tb.findJavaFiles(testSrc)) |
| .run(Task.Expect.FAIL) |
| .writeAll() |
| .getOutputLines(Task.OutputKind.DIRECT); |
| |
| List<String> expected = |
| List.of("AbstractP.java:3:17: compiler.err.is.preview: test()", |
| "ReabstractP.java:4:26: compiler.err.is.preview: test()", |
| "2 errors"); |
| |
| if (!log.equals(expected)) |
| throw new Exception("expected output not found" + log); |
| |
| Path[] sources = tb.findJavaFiles(testSrc); |
| |
| log = new JavacTask(tb, Task.Mode.CMDLINE) |
| .outdir(testClasses) |
| .options("--patch-module", "java.base=" + apiClasses.toString(), |
| "--add-exports", "java.base/preview.api=ALL-UNNAMED", |
| "--enable-preview", |
| "-Xlint:preview", |
| "-source", String.valueOf(Runtime.version().feature()), |
| "-XDrawDiagnostics") |
| .files(sources) |
| .run(Task.Expect.SUCCESS) |
| .writeAll() |
| .getOutputLines(Task.OutputKind.DIRECT); |
| |
| expected = |
| List.of("AbstractP.java:3:17: compiler.warn.is.preview: test()", |
| "ReabstractP.java:4:26: compiler.warn.is.preview: test()", |
| "2 warnings"); |
| |
| if (!log.equals(expected)) |
| throw new Exception("expected output not found" + log); |
| |
| int classfileCount = verifyPreviewClassfiles(testClasses); |
| |
| if (sources.length != classfileCount) { |
| throw new IllegalStateException("Unexpected number of classfiles: " + classfileCount + ", number of source files: " + sources.length); |
| } |
| |
| for (Path source : sources) { |
| log = new JavacTask(tb, Task.Mode.CMDLINE) |
| .classpath(testClasses) |
| .outdir(testClasses) |
| .options("--patch-module", "java.base=" + apiClasses.toString(), |
| "--add-exports", "java.base/preview.api=ALL-UNNAMED", |
| "--enable-preview", |
| "-Xlint:preview", |
| "-source", String.valueOf(Runtime.version().feature()), |
| "-XDrawDiagnostics") |
| .files(source) |
| .run(Task.Expect.SUCCESS) |
| .writeAll() |
| .getOutputLines(Task.OutputKind.DIRECT); |
| |
| boolean preview = source.getFileName().toString().contains("P."); |
| boolean hasWarning = false; |
| for (String line : log) { |
| hasWarning |= line.contains(source.getFileName().toString()) && |
| line.contains("compiler.warn.is.preview: test()"); |
| } |
| |
| if (preview != hasWarning) |
| throw new Exception("expected " + (preview ? "preview" : "not preview") + |
| "but got " + (hasWarning ? "warning" : "no warning") + |
| "in: " + log); |
| |
| classfileCount = verifyPreviewClassfiles(testClasses); |
| |
| if (sources.length != classfileCount) { |
| throw new IllegalStateException("Unexpected number of classfiles: " + classfileCount + ", number of source files: " + sources.length); |
| } |
| } |
| } |
| |
| private int verifyPreviewClassfiles(Path directory) throws Exception { |
| Path[] classfiles = tb.findFiles("class", directory); |
| |
| for (Path classfile : classfiles) { |
| boolean preview = classfile.getFileName().toString().contains("P."); |
| |
| checkPreviewClassfile(classfile, preview); |
| } |
| |
| return classfiles.length; |
| } |
| |
| private void checkPreviewClassfile(Path p, boolean preview) throws Exception { |
| try (InputStream in = Files.newInputStream(p)) { |
| ClassFile cf = ClassFile.read(in); |
| if (preview && cf.minor_version != 65535) { |
| throw new IllegalStateException("Expected preview class, but got: " + cf.minor_version + " for: " + p.toString()); |
| } else if (!preview && cf.minor_version != 0) { |
| throw new IllegalStateException("Expected minor version == 0 but got: " + cf.minor_version + " for: " + p.toString()); |
| } |
| } |
| } |
| } |
