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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/* @test
 * @bug 8328877
 * @summary Test warning for GetStringUTFLength and functionality of GetStringUTFLengthAsLong
 * @requires vm.bits == 64
 * @library /test/lib
 * @modules java.management
 * @run main/native TestLargeUTF8Length launch
 */

import java.util.Arrays;
import jdk.test.lib.Utils;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;

public class TestLargeUTF8Length {

    static {
        System.loadLibrary("TestLargeUTF8Length");
    }

    static native void checkUTF8Length(String s, long utf8Length);

    static void test() {
        int length = Integer.MAX_VALUE/2 + 1;
        char character = (char)0XD1; // N with tilde
        long utf8Length = 2L * length;
        char[] chrs = new char[length];
        Arrays.fill(chrs, character);
        String s = new String(chrs);
        checkUTF8Length(s, utf8Length);
    }

    public static void main(String[] args) throws Throwable {
        if (args == null || args.length == 0) {
            test();
            return;
        }

        OutputAnalyzer oa = ProcessTools.executeTestJava("-Xms9G",
                                                         "-Xmx9G",
                                                         "-Xcheck:jni",
                                                         "-Djava.library.path=" + Utils.TEST_NATIVE_PATH,
                                                         "TestLargeUTF8Length");
        String warning = "WARNING: large String with modified UTF-8 length .*" +
                         "is reporting a reduced length of .* - use GetStringUTFLengthAsLong instead";
        oa.shouldHaveExitValue(0);
        oa.stdoutShouldMatch(warning);
        oa.reportDiagnosticSummary();
    }
}