/*

 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

 * 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.

 *

 * 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).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/* @test

 * @bug 8149170

 * @summary Test native functions return booleans as 0/1 but differently than java functions

 * @library /testlibrary

 * @compile BoolConstructor.java

 * @run main/native NativeSmallIntCallsTest

 */

// This test shows that returns from native calls for boolean truncate to JNI_TRUE if value != 0

// and JNI_FALSE if value returned is 0.

import jdk.test.lib.Asserts;

public class NativeSmallIntCallsTest {

    static native boolean nativeCastToBoolCallTrue();

    static native boolean nativeCastToBoolCallFalse();

    static native boolean nativeCallBoolConstructor(int visible, boolean expected);

    static {

        System.loadLibrary("NativeSmallIntCalls");

    }

    public static void main(java.lang.String[] unused) throws Exception {

        // Call through jni

        // JNI makes all results != 0 true for compatibility

        boolean nativeTrueVal = nativeCastToBoolCallTrue();

        Asserts.assertTrue(nativeTrueVal, "trueval is false!");

        boolean nativeFalseVal = nativeCastToBoolCallFalse();

        Asserts.assertTrue(nativeFalseVal, "falseval is false in native!");

        // Call a constructor or method that passes jboolean values into Java from native

        nativeCallBoolConstructor(1, true);

        nativeCallBoolConstructor(0x10, true);

        nativeCallBoolConstructor(0x100, false);

        nativeCallBoolConstructor(0x1000, false);

    }

}