79 lines
3.1 KiB
Java
79 lines
3.1 KiB
Java
/*
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* Copyright (c) 2024, Red Hat, Inc.
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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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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.util.spi.ToolProvider;
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import jdk.tools.jlink.internal.LinkableRuntimeImage;
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/*
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* @test
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* @summary Test jlink --help for capability output
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* @modules jdk.jlink/jdk.tools.jlink.internal
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* @requires vm.compMode != "Xcomp"
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* @run main/othervm -Duser.language=en JLinkHelpCapabilityTest
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*/
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public class JLinkHelpCapabilityTest {
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static final ToolProvider JLINK_TOOL = ToolProvider.findFirst("jlink")
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.orElseThrow(() ->
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new RuntimeException("jlink tool not found")
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);
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public static void main(String[] args) throws Exception {
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boolean runtimeLinkCap = LinkableRuntimeImage.isLinkableRuntime();
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String capabilities = String.format("Linking from run-time image %s",
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runtimeLinkCap ? "enabled" : "disabled");
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{
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// Verify capability in --help output
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StringWriter writer = new StringWriter();
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PrintWriter pw = new PrintWriter(writer);
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JLINK_TOOL.run(pw, pw, "--help");
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String output = writer.toString().trim();
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String lines[] = output.split("\n");
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String capabilitiesMsg = null;
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boolean seenCap = false;
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for (int i = 0; i < lines.length; i++) {
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if (lines[i].startsWith("Capabilities:")) {
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seenCap = true;
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continue; // skip 'Capabilities:'
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}
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if (!seenCap) {
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continue;
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} else {
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// Line after capabilities is the message we care about
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capabilitiesMsg = lines[i].trim();
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break;
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}
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}
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System.out.println("DEBUG: Capabilities:");
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System.out.println("DEBUG: " + capabilitiesMsg);
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if (!capabilities.equals(capabilitiesMsg)) {
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System.err.println(output);
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throw new AssertionError("'--help': Capabilities mismatch. Expected: '" +
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capabilities +"' but got '" + capabilitiesMsg + "'");
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}
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}
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}
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}
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