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package org.python.core;
import junit.framework.TestCase;
import org.python.util.PythonInterpreter;
public class WrappedFloatTest extends TestCase {
// Simulate the use case where you want to expose some (possibly mutable)
// java float field to an interpreter without having to set the value to a new
// PyFloat each time it changes.
@SuppressWarnings("serial")
static class WrappedFloat extends PyFloat {
public WrappedFloat() {
super(0);
}
private double mutableValue;
@Override
public double getValue() {
return mutableValue;
}
public void setMutableValue(final double newValue) {
mutableValue = newValue;
}
}
private PythonInterpreter interp;
private WrappedFloat a, b;
@Override
protected void setUp() throws Exception {
interp = new PythonInterpreter(new PyStringMap(), new PySystemState());
a = new WrappedFloat();
b = new WrappedFloat();
a.setMutableValue(13.0);
b.setMutableValue(17.0);
interp.set("a", a);
interp.set("b", b);
}
public void testAdd() {
interp.exec("c = a + b");
assertEquals(new PyFloat(30), interp.get("c"));
b.setMutableValue(18.0);
interp.exec("c = a + b");
assertEquals(new PyFloat(31), interp.get("c"));
}
public void testDiv() {
interp.exec("c = a / b");
assertEquals(new PyFloat(13 / 17.), interp.get("c"));
}
public void testMod() {
interp.exec("c = b % a");
assertEquals(new PyFloat(4), interp.get("c"));
}
}
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