swig/Examples/test-suite/java/cpp20_concepts_class_method...

50 lines
1.8 KiB
Java

import cpp20_concepts_class_methods.*;
public class cpp20_concepts_class_methods_runme {
static {
try {
System.loadLibrary("cpp20_concepts_class_methods");
} catch (UnsatisfiedLinkError e) {
System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e);
System.exit(1);
}
}
public static void main(String argv[]) {
Calculator c = new Calculator();
// Trailing requires-clause on a member function template.
if (c.cube_int(3) != 27)
throw new RuntimeException("cube_int(3)");
if (c.cube_int(-4) != -64)
throw new RuntimeException("cube_int(-4)");
if (c.cube_double(2.0) != 8.0)
throw new RuntimeException("cube_double(2.0)");
// Prefix requires-clause on a member function template.
if (c.quad_int(2) != 16)
throw new RuntimeException("quad_int(2)");
if (c.quad_int(-3) != 81)
throw new RuntimeException("quad_int(-3)");
// Static member function template constrained by an inline requires-expression.
if (Calculator.sum_int(2, 3) != 5)
throw new RuntimeException("Calculator.sum_int(2, 3)");
if (Calculator.sum_int(-7, 4) != -3)
throw new RuntimeException("Calculator.sum_int(-7, 4)");
// Member function template constrained by a named concept whose body is itself a requires-expression.
if (c.addn_int(7, 4) != 11)
throw new RuntimeException("addn_int(7, 4)");
if (c.addn_int(-2, 5) != 3)
throw new RuntimeException("addn_int(-2, 5)");
// Member function template with two template parameters and a compound constraint joined by '&&'.
if (c.scale_int_int(5, 3) != 15)
throw new RuntimeException("scale_int_int(5, 3)");
if (c.scale_int_int(-4, 2) != -8)
throw new RuntimeException("scale_int_int(-4, 2)");
}
}