test/jdk/tools/jar/DeprecateOptionN.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/**
 * @test
 * @bug 8199871
 * @modules jdk.jartool
 * @summary jar -n should print out deprecation warning
 * @run testng DeprecateOptionN
 */

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.spi.ToolProvider;
import org.testng.annotations.Test;

import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;

public class DeprecateOptionN {
    private static final ToolProvider JAR_TOOL = ToolProvider.findFirst("jar")
            .orElseThrow(() ->
                    new RuntimeException("jar tool not found")
            );

    protected static String jar(String... options) {
        StringWriter writer = new StringWriter();
        PrintWriter pw = new PrintWriter(writer);

        JAR_TOOL.run(pw, pw, options);
        String output = writer.toString();
        System.err.println(output);
        return output;
    }

    @Test
    public void helpCompatWithWarning() {
        String output = jar("--help:compat");
        assertTrue(output.contains("this option is deprecated, and is planned for removal in a future JDK release"));
    }

    @Test
    public void helpExtraWithWarning() {
        String output = jar("--help-extra");
        assertTrue(output.contains("This option is deprecated, and is"));
        assertTrue(output.contains("planned for removal in a future JDK release"));
    }

    @Test
    public void normalizeWithWarning() throws IOException {
        File tmp = File.createTempFile("test", null);
        String output = jar("cnf", "test.jar", tmp.getAbsolutePath());
        tmp.delete();
        assertTrue(output.contains("Warning: The -n option is deprecated, and is planned for removal in a future JDK release"));
    }

    @Test
    public void NoWarningWithoutN() throws IOException {
        File tmp = File.createTempFile("test", null);
        String output = jar("cf", "test.jar", tmp.getAbsolutePath());
        tmp.delete();
        assertFalse(output.contains("Warning: The -n option is deprecated, and is planned for removal in a future JDK release"));
    }


    @Test
    public void SuppressWarning() throws IOException {
        File tmp = File.createTempFile("test", null);
        String output = jar("-c", "-n", "-XDsuppress-tool-removal-message",
                "-f", "test.jar", tmp.getAbsolutePath());
        tmp.delete();
        assertFalse(output.contains("Warning: The -n option is deprecated, and is planned for removal in a future JDK release"));
    }
}