test/jdk/jdk/jfr/cmd/TestPrint.java

/*
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 * 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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.
 *
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package jdk.jfr.cmd;

import java.io.FileWriter;
import java.nio.file.Files;
import java.nio.file.Path;

import jdk.test.lib.process.OutputAnalyzer;

/*
 * @test
 * @summary Test jfr print
 * @key jfr
 * @library /test/lib /test/jdk
 * @run main/othervm jdk.jfr.cmd.TestPrint
 */
public class TestPrint {

    public static void main(String[] args) throws Exception {

        OutputAnalyzer output = ExecuteHelper.run("print");
        output.shouldContain("Missing file");

        output = ExecuteHelper.run("print", "missing.jfr");
        output.shouldContain("Could not find file ");

        output = ExecuteHelper.run("print", "missing.jfr", "option1", "option2");
        output.shouldContain("Too many arguments");

        Path file = Files.createTempFile("faked-print-file",  ".jfr");
        FileWriter fw = new FileWriter(file.toFile());
        fw.write('d');
        fw.close();
        output = ExecuteHelper.run("print", "--wrongOption", file.toAbsolutePath().toString());
        output.shouldContain("Unknown option");
        Files.delete(file);

        // Also see TestPrintJSON, TestPrintXML and TestPrintDefault.
    }
}