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import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.regex.Pattern;

import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;

/*
 * @test
 * @bug 8194652
 * @summary Printing native stack shows an "error occurred during error reporting".
 * @modules java.base/jdk.internal.misc
 * @requires vm.flagless
 * @requires vm.debug
 * @requires vm.flavor != "zero"
 * @library /test/lib
 * @run driver BadNativeStackInErrorHandlingTest
 */

// This test was adapted from SafeFetchInErrorHandlingTest.java.
public class BadNativeStackInErrorHandlingTest {
  public static void main(String[] args) throws Exception {
    ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
        "-XX:+UnlockDiagnosticVMOptions",
        "-Xmx100M",
        "-XX:ErrorHandlerTest=14",
        "-XX:-CreateCoredumpOnCrash",
        "-version");

    OutputAnalyzer output_detail = new OutputAnalyzer(pb.start());

    // we should have crashed with a SIGSEGV
    output_detail.shouldMatch("# A fatal error has been detected by the Java Runtime Environment:.*");
    output_detail.shouldMatch("# +(?:SIGSEGV|SIGBUS|EXCEPTION_ACCESS_VIOLATION).*");

    // extract hs-err file
    File hs_err_file = HsErrFileUtils.openHsErrFileFromOutput(output_detail);

    // The failing line looks like this:
    // [error occurred during error reporting (printing native stack), id 0xb]
    Pattern negativePatterns[] = {
        Pattern.compile("\\[error occurred during error reporting \\(printing native stack\\), id .*\\]")
    };

    HsErrFileUtils.checkHsErrFileContent(hs_err_file, null, negativePatterns, true /* check end marker */, false /* verbose */);

    System.out.println("OK.");
  }
}