@Test
public void shouldReturnNumberType() {
NumberValue numberValueLong = DefaultNumberValue.of(10L);
NumberValue numberValueInteger = DefaultNumberValue.of(10);
NumberValue numberValueDouble = DefaultNumberValue.of(10D);
NumberValue numberValueBigDecimal = DefaultNumberValue.of(BigDecimal.TEN);
NumberValue numberValueBigInteger = DefaultNumberValue.of(BigInteger.TEN);
assertEquals(numberValueLong.getNumberType(), Long.class);
assertEquals(numberValueInteger.getNumberType(), Integer.class);
assertEquals(numberValueDouble.getNumberType(), Double.class);
assertEquals(numberValueBigDecimal.getNumberType(), BigDecimal.class);
assertEquals(numberValueBigInteger.getNumberType(), BigInteger.class);
}
@Test
public void shouldReturnNumberValue() {
NumberValue numberValue = DefaultNumberValue.of(BigDecimal.valueOf(21));
assertEquals(Long.valueOf(21L), numberValue.numberValue(Long.class));
assertEquals(Integer.valueOf(21), numberValue.numberValue(Integer.class));
assertEquals(Float.valueOf(21), numberValue.numberValue(Float.class));
assertEquals(Byte.valueOf((byte) 21), numberValue.numberValue(Byte.class));
assertEquals(Short.valueOf((short) 21), numberValue.numberValue(Short.class));
assertEquals(new AtomicLong(21L).get(), numberValue.numberValue(AtomicLong.class).get());
assertEquals(new AtomicInteger(21).get(), numberValue.numberValue(AtomicInteger.class).get());
assertEquals(BigDecimal.valueOf(21L), numberValue.numberValue(BigDecimal.class));
assertEquals(BigInteger.valueOf(21L), numberValue.numberValue(BigInteger.class));
}
@SuppressWarnings("NullableProblems")
@Override
public int compareTo(NumberValue o) {
return numberValue(BigDecimal.class).compareTo(o.numberValue(BigDecimal.class));
}
@Test(expectedExceptions = ArithmeticException.class)
public void shouldReturnErrorWhenLongValueExactMustBeTruncated() {
NumberValue numberValue = DefaultNumberValue.of(BigDecimal.valueOf(132.12));
numberValue.longValueExact();
}
@Test
public void shouldReturnLongValueExact() {
NumberValue numberValue = DefaultNumberValue.of(BigDecimal.valueOf(132));
assertEquals(numberValue.longValueExact(), 132L);
}
@Test
public void shouldReturnIntValue() {
NumberValue numberValue = DefaultNumberValue.of(BigDecimal.valueOf(132.21));
assertEquals(numberValue.intValue(), 132);
}
@Test
public void shouldReturnPrecision() {
NumberValue numberValue = DefaultNumberValue.of(BigDecimal.valueOf(132.21));
assertEquals(numberValue.getPrecision(), 5);
}
@Test
public void shouldReturnScale() {
NumberValue numberValue = DefaultNumberValue.of(BigDecimal.valueOf(132.21));
assertEquals(numberValue.getScale(), 2);
}
@Test
public void shouldReturnAmountFractionDenominatorForNegativeScale() {
NumberValue numberValue = DefaultNumberValue.of(BigDecimal.valueOf(10.00));
assertEquals(1, numberValue.getAmountFractionDenominator());
}
@Test
public void shouldReturnAmountFractionDenominator() {
NumberValue numberValue = DefaultNumberValue.of(BigDecimal.valueOf(132.21));
assertEquals(100L, numberValue.getAmountFractionDenominator());
}
@Test
public void shoudReturnAmountFractionNumerator() {
NumberValue numberValue = DefaultNumberValue.of(BigDecimal.valueOf(62.5));
assertEquals(5L, numberValue.getAmountFractionNumerator());
assertEquals(10L, numberValue.getAmountFractionDenominator());
}
@Test
public void shouldReturnDoubleExact() {
NumberValue numberValue = DefaultNumberValue.of(BigDecimal.valueOf(132.21));
assertEquals(numberValue.doubleValueExact(), 132.21);
}