// check division is good but also that original values are not modified
func TestMoneyDiv(t *testing.T) {
m1 := money.Money{M: 67} //67 cents!!
m2 := money.Money{M: 6700} // 67 dollars
res := m2.Div(&m1)
finResi := int64(10000)
finResf := float64(100.00)
if res.Valuei() != finResi {
t.Error("expected '10000' got: ", res.Valuei())
}
if res.Valuef() != finResf {
t.Error("expected '100.00' got: ", res.Valuef())
}
if m1.Valuei() != int64(67) {
t.Error("expected '67' got: ", m1.Valuei())
}
if m2.Valuei() != int64(6700) {
t.Error("expected '6700' got: ", m2.Valuei())
}
if m1.Valuef() != float64(0.67) {
t.Error("expected '0.67' got: ", m1.Valuef())
}
if m2.Valuef() != float64(67.00) {
t.Error("expected '67.00' got: ", m2.Valuef())
}
if res.StringD() != "100.00" {
t.Error("expected '100.00' got: ", res.StringD())
}
}
// division with a large denominator
func TestMoneyDivLargeDenom(t *testing.T) {
m1 := money.Money{M: 67} //67 cents!!
m2 := money.Money{M: 6700} // 67 dollars
res := m1.Div(&m2)
finResi := int64(1)
finResf := float64(0.01)
if res.Valuei() != finResi {
t.Error("expected '1' got: ", res.Valuei())
}
if res.Valuef() != finResf {
t.Error("expected '0.01' got: ", res.Valuef())
}
if res.StringD() != "0.01" {
t.Error("expected '100' got: ", res.StringD())
}
}
func TestMoneyDivByZero(t *testing.T) {
m1 := money.Money{}
m2 := money.Money{M: int64(1)}
m3 := money.Money{M: int64(72684839824903281)}
m4 := money.Money{}
m4.Updatef(float64(478326437489327489327838462381))
res1 := m2.Div(&m1)
res2 := m3.Div(&m1)
res3 := m4.Div(&m1)
if res1.Valuei() != int64(-9223372036854775807) {
t.Error("expected '-9223372036854775807' got: ", res1.Valuei())
}
if res2.Valuei() != int64(-9223372036854775807) {
t.Error("expected '-9223372036854775807' got: ", res2.Valuei())
}
if res3.Valuei() != int64(9223372036854775807) {
t.Error("expected '9223372036854775807' got: ", res3.Valuei())
}
if res1.Valuef() != float64(-9.223372036854776e+16) {
t.Error("expected '-9223372036854775807' got: ", res1.Valuef())
}
if res2.Valuef() != float64(-9.223372036854776e+16) {
t.Error("expected '-9223372036854775807' got: ", res2.Valuef())
}
if res3.Valuef() != float64(9.223372036854776e+16) {
t.Error("expected '9223372036854775807' got: ", res3.Valuef())
}
}