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/* @test

 * @bug 8149170

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

 * @modules java.base/jdk.internal.misc

 * @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);

    }

}