package jscl.math.operator;
import jscl.math.Expression;
import jscl.math.Generic;
import jscl.math.NumericWrapper;
import jscl.text.ParseException;
import org.junit.Assert;
import org.junit.Test;
import javax.annotation.Nonnull;
import static org.junit.Assert.assertEquals;
public class ModuloTest {
@Test
public void testNumeric() throws Exception {
assertMod(2, 2);
assertMod(1, 2);
assertMod(3.5, 2);
assertMod(3, 2);
assertMod(1.5, 2);
assertMod(1.5, "1.5", "2");
assertMod(1.5, "3.5", "2");
}
private void assertMod(double expected, @Nonnull String numerator, @Nonnull String denominator) throws ParseException {
final Modulo mod = makeModulo(numerator, denominator);
final Generic numeric = mod.numeric();
assertEquals(expected, numeric.doubleValue(), Math.pow(10, -8));
}
private void assertMod(int numerator, int denominator) {
final Modulo mod = makeModulo(numerator, denominator);
final Generic numeric = mod.numeric();
Assert.assertTrue(numeric.isInteger());
assertEquals(numerator % denominator, numeric.integerValue().intValue());
}
private void assertMod(double numerator, double denominator) {
final Modulo mod = makeModulo(numerator, denominator);
final Generic numeric = mod.numeric();
assertEquals(numerator % denominator, numeric.doubleValue(), Math.pow(10, -8));
}
private Modulo makeModulo(int n, int d) {
return new Modulo(NumericWrapper.valueOf(n), NumericWrapper.valueOf(d));
}
private Modulo makeModulo(String n, String d) throws ParseException {
return new Modulo(Expression.valueOf(n), Expression.valueOf(d));
}
private Modulo makeModulo(double n, double d) {
return new Modulo(NumericWrapper.valueOf(n), NumericWrapper.valueOf(d));
}
}