//-------------------------------------------------------------------------
public virtual void test_negated()
{
MultiCurrencyAmount @base = MultiCurrencyAmount.of(CA1, CA2);
MultiCurrencyAmount test = @base.negated();
assertMCA(test, CA1.negated(), CA2.negated());
assertEquals(MultiCurrencyAmount.of(CurrencyAmount.zero(Currency.USD), CurrencyAmount.zero(Currency.EUR)).negated(), MultiCurrencyAmount.of(CurrencyAmount.zero(Currency.USD), CurrencyAmount.zero(Currency.EUR)));
assertEquals(MultiCurrencyAmount.of(CurrencyAmount.of(Currency.USD, -0d), CurrencyAmount.of(Currency.EUR, -0d)).negated(), MultiCurrencyAmount.of(CurrencyAmount.zero(Currency.USD), CurrencyAmount.zero(Currency.EUR)));
}
/// <summary>
/// Returns a copy of this {@code MultiCurrencyAmount} with the specified amount subtracted.
/// <para>
/// This subtracts the specified amount from this monetary amount, returning a new object.
/// If the currency is already present, the amount is subtracted from the existing amount.
/// If the currency is not yet present, the negated amount is included.
/// The subtraction uses standard {@code double} arithmetic.
/// </para>
/// <para>
/// This instance is immutable and unaffected by this method.
///
/// </para>
/// </summary>
/// <param name="amountToSubtract"> the amount to subtract </param>
/// <returns> an amount based on this with the specified amount subtracted </returns>
public MultiCurrencyAmount minus(MultiCurrencyAmount amountToSubtract)
{
ArgChecker.notNull(amountToSubtract, "amountToSubtract");
return(plus(amountToSubtract.negated()));
}
