swig/Examples/test-suite/java/cpp20_concepts_overloads_ru...

53 lines
2.0 KiB
Java

import cpp20_concepts_overloads.*;
public class cpp20_concepts_overloads_runme {
static {
try {
System.loadLibrary("cpp20_concepts_overloads");
} 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[]) {
// Function template overload by arity, each branch carrying the same
// requires-clause. All three arities dispatch correctly.
if (cpp20_concepts_overloads.accumulate_int(5) != 6)
throw new RuntimeException("accumulate_int(5)");
if (cpp20_concepts_overloads.accumulate_int(5, 3) != 8)
throw new RuntimeException("accumulate_int(5, 3)");
if (cpp20_concepts_overloads.accumulate_int(1, 2, 3) != 6)
throw new RuntimeException("accumulate_int(1, 2, 3)");
if (cpp20_concepts_overloads.accumulate_double(2.5) != 3.5)
throw new RuntimeException("accumulate_double(2.5)");
if (cpp20_concepts_overloads.accumulate_double(1.5, 2.5) != 4.0)
throw new RuntimeException("accumulate_double(1.5, 2.5)");
if (cpp20_concepts_overloads.accumulate_double(0.5, 1.0, 2.5) != 4.0)
throw new RuntimeException("accumulate_double(0.5, 1.0, 2.5)");
// Member operator overloads with trailing requires-clauses.
BoxInt a = new BoxInt(7);
BoxInt b = new BoxInt(7);
BoxInt c = new BoxInt(9);
if (!a.eq(b))
throw new RuntimeException("BoxInt.eq equal");
if (a.eq(c))
throw new RuntimeException("BoxInt.eq not equal");
if (a.plus(c).getV() != 16)
throw new RuntimeException("BoxInt.plus");
BoxDouble ad = new BoxDouble(1.5);
BoxDouble bd = new BoxDouble(1.5);
BoxDouble cd = new BoxDouble(2.5);
if (!ad.eq(bd))
throw new RuntimeException("BoxDouble.eq equal");
if (ad.eq(cd))
throw new RuntimeException("BoxDouble.eq not equal");
if (ad.plus(cd).getV() != 4.0)
throw new RuntimeException("BoxDouble.plus");
}
}