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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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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/*
 * @test
 * @summary Testing Classfile complex basic blocks affecting SM generator.
 * @run junit BasicBlockTest
 */
import java.io.InputStream;
import java.io.IOException;
import jdk.internal.classfile.Classfile;
import org.junit.jupiter.api.Test;

class BasicBlockTest {

       public void npeInResolveMystery() {
            int i=0; Object key;
            Object[] a= new Object[0];
            for (; i < 0; i++) {
                if ((key = a[i]) == null) {}
            }
        }

    void exponentialComplexityInJointNeedLocalPartial(boolean a) {
        while (a) {
            if ((a || a) && (a || a) && (a || a) && (a || a) && (a || a) && (a || a)) {} else
            if ((a || a) && (a || a) && (a || a) && (a || a) && (a || a) && (a || a)) {} else
            if ((a || a) && (a || a) && (a || a) && (a || a) && (a || a) && (a || a)) {} else
            if ((a || a) && (a || a) && (a || a) && (a || a) && (a || a) && (a || a)) {} else
            if ((a || a) && (a || a) && (a || a) && (a || a) && (a || a) && (a || a)) {} else
            if ((a || a) && (a || a) && (a || a) && (a || a) && (a || a) && (a || a)) {}
        }
    }

    @Test
    void testPatternsCausingBasicBlockTroubles() throws IOException {
        try (InputStream in = BasicBlockTest.class.getResourceAsStream("BasicBlockTest.class")) {
            var classModel = Classfile.parse(in.readAllBytes());
            Classfile.build(classModel.thisClass().asSymbol(), cb -> classModel.forEachElement(cb));
        }
    }
}
