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package org.python.core;
import java.math.BigInteger;
import junit.framework.TestCase;
import org.python.util.PythonInterpreter;
public class WrappedLongTest extends TestCase {
// Simulate the use case where you want to expose some (possibly mutable)
// java long field to an interpreter without having to set the value to a
// new PyLong each time it changes.
@SuppressWarnings("serial")
static class WrappedLong extends PyLong {
public WrappedLong() {
super(0);
}
private long mutableValue;
@Override
public BigInteger getValue() {
return BigInteger.valueOf(mutableValue);
}
public void setMutableValue(final long newValue) {
mutableValue = newValue;
}
}
private PythonInterpreter interp;
private WrappedLong a, b;
@Override
protected void setUp() throws Exception {
interp = new PythonInterpreter(new PyStringMap(), new PySystemState());
a = new WrappedLong();
b = new WrappedLong();
a.setMutableValue(13000000000L);
b.setMutableValue(17000000000L);
interp.set("a", a);
interp.set("b", b);
}
public void testAdd() {
interp.exec("c = a + b");
assertEquals(new PyLong(30000000000L), interp.get("c"));
b.setMutableValue(18000000000L);
interp.exec("c = a + b");
assertEquals(new PyLong(31000000000L), interp.get("c"));
}
public void testMod() {
interp.exec("c = b % a");
assertEquals(new PyLong(4000000000L), interp.get("c"));
}
}