russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
118 lines
4.6 KiB
Java
118 lines
4.6 KiB
Java
/*
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* Copyright (c) 2022, 2025, 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 8295803 8299689 8351435 8361613 8366261
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* @summary Tests System.console() returns correct Console (or null) from the expected
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* module.
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* @library /test/lib
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* @build jdk.test.lib.Utils
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* jdk.test.lib.process.ProcessTools
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* @run junit ModuleSelectionTest
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*/
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import java.io.Console;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.util.stream.Stream;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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import org.junit.jupiter.api.Assumptions;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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import static jdk.test.lib.Utils.*;
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public class ModuleSelectionTest {
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private static Stream<Arguments> options() {
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return Stream.of(
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Arguments.of("-Djdk.console=foo", "java.base"),
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Arguments.of("-Djdk.console=java.base", "java.base"),
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Arguments.of("-Djdk.console=jdk.internal.le", "jdk.internal.le"),
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Arguments.of("--limit-modules java.base", "java.base")
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);
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}
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@ParameterizedTest
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@MethodSource("options")
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void testNonTTY(String opts) throws Exception {
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opts = opts +
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" --add-opens java.base/java.io=ALL-UNNAMED ModuleSelectionTest null";
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OutputAnalyzer output = ProcessTools.executeTestJava(opts.split(" "));
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output.reportDiagnosticSummary();
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output.shouldHaveExitValue(0);
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}
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@ParameterizedTest
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@MethodSource("options")
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void testTTY(String opts, String expected) throws Exception {
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// check "expect" command availability
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var expect = Paths.get("/usr/bin/expect");
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Assumptions.assumeTrue(Files.exists(expect) && Files.isExecutable(expect),
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"'" + expect + "' not found. Test ignored.");
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opts = "expect -n " + TEST_SRC + "/moduleSelection.exp " +
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TEST_CLASSES + " " +
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expected + " " +
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TEST_JDK + "/bin/java" +
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" --add-opens java.base/java.io=ALL-UNNAMED "
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+ opts;
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// invoking "expect" command
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OutputAnalyzer output = ProcessTools.executeProcess(opts.split(" "));
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output.reportDiagnosticSummary();
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output.shouldHaveExitValue(0);
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}
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public static void main(String... args) throws Throwable {
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var con = System.console();
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var pc = Class.forName("java.io.ProxyingConsole");
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var jdkc = Class.forName("jdk.internal.io.JdkConsole");
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var lookup = MethodHandles.privateLookupIn(Console.class, MethodHandles.lookup());
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var istty = (boolean)lookup.findStatic(Console.class, "isStdinTty", MethodType.methodType(boolean.class))
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.invoke() &&
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(boolean)lookup.findStatic(Console.class, "isStdoutTty", MethodType.methodType(boolean.class))
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.invoke();
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var impl = con != null ? MethodHandles.privateLookupIn(pc, MethodHandles.lookup())
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.findGetter(pc, "delegate", jdkc)
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.invoke(con) : null;
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var expected = args[0];
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var actual = con == null ? "null" : impl.getClass().getModule().getName();
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if (!actual.equals(expected)) {
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throw new RuntimeException("""
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Console implementation is not the expected one.
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Expected: %s
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Actual: %s
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""".formatted(expected, actual));
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} else {
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System.out.printf("%s is the expected implementation. (tty: %s)\n", actual, istty);
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}
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}
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}
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