286 lines
9.9 KiB
Java
286 lines
9.9 KiB
Java
/*
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* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8325324
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* @summary Verify behavior w.r.t. implicit imports
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* @library /tools/lib
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.main
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* jdk.compiler/com.sun.tools.javac.util
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* @build toolbox.ToolBox toolbox.JavacTask
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* @run main ImplicitImports
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*/
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.List;
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import java.util.Objects;
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import toolbox.TestRunner;
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import toolbox.JavacTask;
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import toolbox.JavaTask;
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import toolbox.Task;
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import toolbox.Task.OutputKind;
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import toolbox.ToolBox;
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public class ImplicitImports extends TestRunner {
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private static final String SOURCE_VERSION = System.getProperty("java.specification.version");
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private ToolBox tb;
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public static void main(String... args) throws Exception {
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new ImplicitImports().runTests();
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}
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ImplicitImports() {
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super(System.err);
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tb = new ToolBox();
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}
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public void runTests() throws Exception {
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runTests(m -> new Object[] { Paths.get(m.getName()) });
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}
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@Test
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public void testImplicitJavaBaseImport(Path base) throws Exception {
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Path current = base.resolve(".");
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Path src = current.resolve("src");
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Path classes = current.resolve("classes");
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tb.writeFile(src.resolve("Test.java"),
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"""
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public static void main(String... args) {
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List<String> l = new ArrayList<>();
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System.out.println(l.getClass().getName());
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}
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""");
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Files.createDirectories(classes);
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{//with --release:
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new JavacTask(tb)
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.options("--enable-preview", "--release", SOURCE_VERSION)
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.outdir(classes)
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.files(tb.findJavaFiles(src))
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.run(Task.Expect.SUCCESS)
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.writeAll();
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var out = new JavaTask(tb)
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.classpath(classes.toString())
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.className("Test")
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.vmOptions("--enable-preview")
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.run()
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.writeAll()
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.getOutputLines(Task.OutputKind.STDOUT);
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var expectedOut = List.of("java.util.ArrayList");
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if (!Objects.equals(expectedOut, out)) {
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throw new AssertionError("Incorrect Output, expected: " + expectedOut +
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", actual: " + out);
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}
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}
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{//with --source:
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new JavacTask(tb)
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.options("--enable-preview", "--source", SOURCE_VERSION)
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.outdir(classes)
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.files(tb.findJavaFiles(src))
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.run(Task.Expect.SUCCESS)
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.writeAll();
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var out = new JavaTask(tb)
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.classpath(classes.toString())
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.className("Test")
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.vmOptions("--enable-preview")
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.run()
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.writeAll()
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.getOutputLines(Task.OutputKind.STDOUT);
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var expectedOut = List.of("java.util.ArrayList");
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if (!Objects.equals(expectedOut, out)) {
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throw new AssertionError("Incorrect Output, expected: " + expectedOut +
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", actual: " + out);
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}
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}
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}
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@Test
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public void testImplicitSimpleIOImport(Path base) throws Exception {
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Path current = base.resolve(".");
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Path patchClasses = prepareIOPatch(current);
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Path src = current.resolve("src");
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Path classes = current.resolve("classes");
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tb.writeFile(src.resolve("Test.java"),
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"""
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public static void main(String... args) {
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println("Hello, World!");
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}
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""");
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Files.createDirectories(classes);
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new JavacTask(tb)
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.options("--enable-preview", "--release", SOURCE_VERSION,
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"--patch-module", "java.base=" + patchClasses)
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.outdir(classes)
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.files(tb.findJavaFiles(src))
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.run(Task.Expect.SUCCESS)
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.writeAll();
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var out = new JavaTask(tb)
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.classpath(classes.toString())
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.className("Test")
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.vmOptions("--enable-preview",
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"--patch-module", "java.base=" + patchClasses)
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.run()
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.writeAll()
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.getOutputLines(Task.OutputKind.STDOUT);
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var expectedOut = List.of("Hello, World!");
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if (!Objects.equals(expectedOut, out)) {
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throw new AssertionError("Incorrect Output, expected: " + expectedOut +
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", actual: " + out);
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}
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}
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@Test
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public void testNoImplicitImportsForOrdinaryClasses(Path base) throws Exception {
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Path current = base.resolve(".");
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Path patchClasses = prepareIOPatch(current);
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Path src = current.resolve("src");
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Path classes = current.resolve("classes");
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tb.writeFile(src.resolve("Test.java"),
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"""
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public class Test {
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public static void main(String... args) {
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List<String> l = new ArrayList<>();
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println("Hello, World!");
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}
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}
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""");
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Files.createDirectories(classes);
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var log = new JavacTask(tb)
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.options("--enable-preview", "--release", SOURCE_VERSION,
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"--patch-module", "java.base=" + patchClasses,
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"-XDrawDiagnostics")
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.outdir(classes)
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.files(tb.findJavaFiles(src))
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.run(Task.Expect.FAIL)
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.writeAll()
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.getOutputLines(OutputKind.DIRECT);
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var expectedLog = List.of(
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"Test.java:3:9: compiler.err.cant.resolve.location: kindname.class, List, , , (compiler.misc.location: kindname.class, Test, null)",
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"Test.java:3:30: compiler.err.cant.resolve.location: kindname.class, ArrayList, , , (compiler.misc.location: kindname.class, Test, null)",
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"Test.java:4:9: compiler.err.cant.resolve.location.args: kindname.method, println, , java.lang.String, (compiler.misc.location: kindname.class, Test, null)",
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"3 errors"
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);
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if (!Objects.equals(expectedLog, log)) {
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throw new AssertionError("Incorrect Output, expected: " + expectedLog +
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", actual: " + log);
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}
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}
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private Path prepareIOPatch(Path base) throws IOException {
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Path patchSrc = base.resolve("patch-src");
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Path patchClasses = base.resolve("patch-classes");
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tb.writeJavaFiles(patchSrc,
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"""
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package java.io;
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public class IO {
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public static void println(Object o) {
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System.out.println(o);
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}
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}
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""");
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Files.createDirectories(patchClasses);
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new JavacTask(tb)
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.options("--patch-module", "java.base=" + patchSrc)
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.outdir(patchClasses)
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.files(tb.findJavaFiles(patchSrc))
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.run(Task.Expect.SUCCESS)
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.writeAll();
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return patchClasses;
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}
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@Test
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public void testWithExplicitImport(Path base) throws Exception {
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Path current = base.resolve(".");
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Path src = current.resolve("src");
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Path classes = current.resolve("classes");
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tb.writeFile(src.resolve("Test.java"),
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"""
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import java.lang.*;
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public static void main(String... args) {
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List<String> l = new ArrayList<>();
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System.out.println(l.getClass().getName());
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}
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""");
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Files.createDirectories(classes);
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new JavacTask(tb)
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.options("--enable-preview", "--release", SOURCE_VERSION)
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.outdir(classes)
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.files(tb.findJavaFiles(src))
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.run(Task.Expect.SUCCESS)
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.writeAll();
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var out = new JavaTask(tb)
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.classpath(classes.toString())
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.className("Test")
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.vmOptions("--enable-preview")
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.run()
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.writeAll()
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.getOutputLines(Task.OutputKind.STDOUT);
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var expectedOut = List.of("java.util.ArrayList");
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if (!Objects.equals(expectedOut, out)) {
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throw new AssertionError("Incorrect Output, expected: " + expectedOut +
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", actual: " + out);
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}
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}
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}
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