// Neg value make sure 'val' is not updated
func TestMoneyNegNotMutable(t *testing.T) {
val := money.Money{M: 123456}
neg := val.Neg()
if val.Valuei() != int64(123456) {
t.Error("val should be int64 '123456'", val.Valuei())
}
if val.Valuef() != float64(1234.56) {
t.Error("val should be int64 '1234.56'", val.Valuef())
}
if neg.Valuei() != int64(-123456) {
t.Error("neg.Valuei should be int64 '-123456'", neg.Valuei())
}
if neg.Valuef() != float64(-1234.56) {
t.Error("neg.Valuef should be float64 '-1234.56'", neg.Valuef())
}
if val.StringD() != "1234.56" {
t.Error("val.StringD() should be '1234.56'", val.StringD())
}
// TODO oddity for negative money values!!!!
if neg.StringD() != "-1234.56" {
t.Error("neg.StringD() should be '-1234.56'", neg.StringD())
}
}
func TestMoneyUpdateChangesOriginalValue(t *testing.T) {
m := money.Money{M: 67}
m.Updatei(int64(6700))
if m.Valuei() != int64(6700) {
t.Error("original vlaue should be updated to '67.00' but got: ", m.Valuei())
}
}
// check multiplication is good but also that original values are not modified
func TestMoneyMul(t *testing.T) {
m1 := money.Money{M: 67} //67 cents!!
m2 := money.Money{M: 6700} // 67 dollars
res := m2.Mul(&m1)
finResi := int64(4489) // 44 dollars and 89 cents
finResf := float64(44.89) // 44 dollars and 89 cents
if res.Valuei() != finResi {
t.Error("expected '4489' got: ", res.Valuei())
}
if res.Valuef() != finResf {
t.Error("expected '44.89' 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() != "44.89" {
t.Error("expected '44.89' got: ", res.StringD())
}
}
// 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())
}
}
// check subtraction is good but also that original values are not modified
func TestMoneySub(t *testing.T) {
m1 := money.Money{M: 67}
m2 := money.Money{M: 6700}
res := m2.Sub(&m1)
finResi := int64(6633)
finResf := float64(66.33)
if res.Valuei() != finResi {
t.Error("expected '6633' got: ", res.Valuei())
}
if res.Valuef() != finResf {
t.Error("expected '66.33' 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() != "66.33" {
t.Error("expected '66.33' got: ", res.StringD())
}
}
func TestMoneyVarsNotChanging(t *testing.T) {
var val1 int64 = 67
var val2 int64 = 6700
m1 := money.Money{M: val1}
m2 := money.Money{M: val2}
if m1.Valuei() != val1 {
t.Error("expected '67' got: ", m1.Valuei())
}
if m2.Valuei() != val2 {
t.Error("expected '6700' got: ", m2.Valuei())
}
}
func TestMoneyValueIntAndFloat(t *testing.T) {
val := money.Money{M: 123456}
if val.Valuei() != int64(123456) {
t.Error("Valuei() should be int64 '123456'", val.Valuei())
}
if val.Valuef() != float64(1234.56) {
t.Error("Valuef() should be float64 '123456'", val.Valuef())
}
if val.ValueiTrunc() != int64(1234) {
t.Error("ValueiTrunc() should be int64 '1234'", val.ValueiTrunc())
}
if val.StringD() != "1234.56" {
t.Error("money struct init StringD() should be value '1234.56'", val.StringD())
}
if val.StringC() != "1234,56" {
t.Error("money struct init StringC() should be value '1234,56'", val.StringC())
}
}
// check addition is good but also that original values are not modified
func TestMoneyAdd(t *testing.T) {
m1 := money.Money{M: int64(67)}
m2 := money.Money{M: int64(6700)}
res := m1.Add(&m2)
finResi := int64(6767)
finResf := float64(67.67)
if res.Valuei() != finResi {
t.Error("expected '6767' got: ", res.Valuei())
}
if res.Valuef() != finResf {
t.Error("expected '6767' 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() != "67.67" {
t.Error("expected '67.67' got: ", res.StringD())
}
if res.StringC() != "67,67" {
t.Error("expected '67,67' got: ", res.StringC())
}
}
// verify subtracting negatives with updates does UPDATE and change original values
// and returns correct results
func TestMoneyNegativeSubUpdate(t *testing.T) {
var val1Neg int64 = -1 //-0.01 cents
var val2Pos int64 = 6700 //-67.00 dollars
m1Neg := money.Money{}
m2Pos := money.Money{}
m1SetNeg := m1Neg.Updatei(val1Neg)
m2SetPos := m2Pos.Updatei(val2Pos)
resNeg := m1SetNeg.Sub(m2SetPos)
vali := resNeg.Valuei()
valf := resNeg.Valuef()
if vali != int64(-6701) {
t.Error("expected negative '-6701' got: ", vali)
}
if valf != float64(-67.01) {
t.Error("expected negative '-67.01' got: ", valf)
}
// verify return values from update were set correctly
if m1SetNeg.Valuei() != val1Neg {
t.Error("expected negative '-1' got: ", m1SetNeg.Valuei())
}
if m2SetPos.Valuei() != val2Pos {
t.Error("expected negative '6700' got: ", m2SetPos.Valuei())
}
// verify original values for an update were updated
if m1Neg.Valuei() != val1Neg {
t.Error("expected negative '-1' got: ", m1Neg.Valuei())
}
if m2Pos.Valuei() != val2Pos {
t.Error("expected negative '6700' got: ", m2Pos.Valuei())
}
}
func TestMoneyAbs(t *testing.T) {
v1 := int64(7839)
v2 := float64(38261748.09)
m1 := money.Money{M: -v1}
m2 := money.Money{}
m2.Updatef(-v2)
m1abs := m1.Abs()
m2abs := m2.Abs()
m1pos := money.Money{M: v1}
m2pos := money.Money{}
m2pos.Updatef(v2)
if m1abs.Valuei() != m1pos.Valuei() {
t.Error("expected '7839' got: ", m1abs.Valuei())
}
if m2abs.Valuei() != m2pos.Valuei() {
t.Error("expected '3826174809' got: ", m2abs.Valuei())
}
if m1.Abs().Valuei() != m1pos.Valuei() {
t.Error("expected '7839' got: ", m1.Abs().Valuei())
}
if m2.Abs().Valuei() != m2pos.Valuei() {
t.Error("expected '3826174809' got:", m2.Abs().Valuei())
}
//verify original values are still negative
if m1.Valuei() != -m1pos.Valuei() {
t.Error("expected '-7839' got: ", m1.Valuei())
}
if m2.Valuei() != -m2pos.Valuei() {
t.Error("expected '-3826174809' got: ", m2.Valuei())
}
}