testnative.java

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/**
 * This test requires native functions.
 * It tests that passing int, long, float, and double parameters works
 * properly.  See libraries/clib/native/TestNative.c
 *
 * This should be very helpful for porters to new architectures who want
 * to debug the sysdepCallMethod macro
 */
public class TestNative
{
  public static native int test16int(int a, int b, int c, int d,
				     int e, int f, int g, int h,
				     int i, int j, int k, int l,
				     int m, int n, int o, int p);

  public static native long test16long(long a, long b, long c, long d,
				       long e, long f, long g, long h,
				       long i, long j, long k, long l,
				       long m, long n, long o, long p);

  public static native long test16intlong(int a, long b, long c, long d,
					  long e, long f, long g, long h,
					  long i, int j, int k, long l,
					  long m, long n, long o, long p);

  public static native float test16float(float a, float b, float c, float d,
					 float e, float f, float g, float h,
					 float i, float j, float k, float l,
					 float m, float n, float o, float p);

  public static native double test16double(
				   double a, double b, double c, double d,
				   double e, double f, double g, double h,
				   double i, double j, double k, double l,
				   double m, double n, double o, double p);

  public static native double test16floatdouble(
				float a, double b, double c, double d,
				double e, double f, double g, double h,
				double i, float j, float k, double l,
				double m, double n, double o, double p);

  public static double fabs(double x)
  {
    if ( x < 0 ) {
      return -x;
    } else {
      return x;
    }
  }

  public static void main(String av[])
  {
    boolean fail = false;
    int i_should_be = 0x11111111 + 0x22222222 + 0x33333333 + 0x44444444 +
      0x55555555 + 0x66666666 + 0x77777777 + 0x88888888 +
      0x99999999 + 0xAAAAAAAA + 0xBBBBBBBB + 0xCCCCCCCC +
      0xDDDDDDDD + 0xEEEEEEEE + 0xFFFFFFFF + 0x12345678;
    System.out.println("Following test results should be " + i_should_be);

    int i;
    try {
	i = test16int(0x11111111, 0x22222222, 0x33333333, 0x44444444,
		      0x55555555, 0x66666666, 0x77777777, 0x88888888,
		      0x99999999, 0xAAAAAAAA, 0xBBBBBBBB, 0xCCCCCCCC,
		      0xDDDDDDDD, 0xEEEEEEEE, 0xFFFFFFFF, 0x12345678
		      );
    } catch (UnsatisfiedLinkError _) {
	System.out.println("...SKIPPED, native methods are not available");
	System.exit(77);
	return; /* never executed, but avoids compiler error */
    }
    System.out.print("test16int returned " + i);
    if ( i == i_should_be ) {
      System.out.println("...SUCCESS");
    } else {
      System.out.println("...FAILURE");
      fail = true;
    }


    long l_should_be = 0x11111111 + 0x22222222 + 0x33333333 + 0x44444444 +
      0x55555555 + 0x66666666 + 0x77777777 + 0x88888888 +
      0x99999999 + 0xAAAAAAAA + 0xBBBBBBBB + 0xCCCCCCCC +
      0xDDDDDDDD + 0xEEEEEEEE + 0xFFFFFFFF + 0x12345678;
    System.out.println("Following test results should be " + l_should_be);

    long l = test16long(0x11111111, 0x22222222, 0x33333333, 0x44444444,
			0x55555555, 0x66666666, 0x77777777, 0x88888888,
			0x99999999, 0xAAAAAAAA, 0xBBBBBBBB, 0xCCCCCCCC,
			0xDDDDDDDD, 0xEEEEEEEE, 0xFFFFFFFF, 0x12345678
			);
    System.out.print("test16long returned " + l);
    if ( l == l_should_be ) {
      System.out.println("...SUCCESS");
    } else {
      System.out.println("...FAILURE");
      fail = true;
    }

    long l2_should_be = 1 +(-1) + 2 + (-2) + 3 + (-3) + 4 + (-4) +
      11 +(-11) + 22 + (-22) + 33 + (-33) + 44 + (-44);

    l = test16intlong(1 ,(-1) , 2 , (-2) , 3 , (-3) , 4 , (-4) ,
      11 ,(-11) , 22 , (-22) , 33 , (-33) , 44 , (-44));

    System.out.print("test16intlong returned " + l);
    if ( l == l2_should_be ) {
      System.out.println("...SUCCESS");
    } else {
      System.out.println("...FAILURE");
      fail = true;
    }

    float f_should_be =  -1.2f + 0.2f + 3.3f + 4.5f + 5.6f + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15 + 16;
    System.out.println("Following test results should be " + f_should_be);

    float f = test16float(-1.2f, 0.2f, 3.3f, 4.5f, 5.6f, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 );
    System.out.print("test16float returned " + f);
    if ( f == f_should_be ) {
      System.out.println("...SUCCESS");
    } else {
      System.out.println("...FAILURE");
      fail = true;
    }

    double d_should_be =  -1.2 + 0.2 + 3.3 + 4.5 + 5.6 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15 + 16;
    System.out.println("Following test results should be " + d_should_be);

    double d = test16double(-1.2, 0.2, 3.3, 4.5, 5.6, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16);
    System.out.print("test16double returned " + d);
    if ( d == d_should_be ) {
      System.out.println("...SUCCESS");
    } else {
      System.out.println("...FAILURE");
      fail = true;
    }

    d = test16floatdouble(-1.2f, 0.2, 3.3, 4.5,
			  5.6, 6, 7, 8,
			  9, 10f, 11f, 12,
			  13, 14, 15, 16);
    System.out.print("test16floatdouble returned " + d);
    if ( fabs(d - d_should_be) < 0.001 ) {
      System.out.println("...SUCCESS");
    } else {
      System.out.println("...FAILURE");
      fail = true;
    }

    if (fail)
	System.exit(1);
  }
}