IsSupportedOptionTest.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 6493690 8210555
 * @summary javadoc should have a javax.tools.Tool service provider
 * @modules java.compiler
 *          jdk.compiler
 * @build APITest
 * @run main IsSupportedOptionTest
 */

import javax.tools.DocumentationTool;
import javax.tools.ToolProvider;

/**
 * Tests for DocumentationTool.isSupportedOption method.
 */
public class IsSupportedOptionTest extends APITest {
    public static void main(String... args) throws Exception {
        new IsSupportedOptionTest().run();
    }

    /**
     * Verify that isSupportedOption method can be invoked.
     */
    @Test
    public void test() throws Exception {
        DocumentationTool tool = ToolProvider.getSystemDocumentationTool();
        check(tool, "-source", 1);
        check(tool, "--source", 1);
        check(tool, "-sourcepath", 1);
        check(tool, "-verbose", 0);
        check(tool, "-ZZZ", -1);

        try {
            check(tool, null, -1);
            error("null was accepted without exception");
        } catch (NullPointerException e) {
        }
    }

    private void check(DocumentationTool tool, String option, int numArgs) {
        System.err.println("check " + option);
        int n = tool.isSupportedOption(option);
        if (n != numArgs)
            error("unexpected result for option: " + option + ": " + n);
    }
}