neo-go/pkg/wire/util/fixed8/fixed8_test.go
2019-02-25 22:44:14 +00:00

85 lines
1.6 KiB
Go

package fixed8
import (
"strconv"
"testing"
"github.com/stretchr/testify/assert"
)
func TestFixed8Value(t *testing.T) {
input := int64(12)
assert.Equal(t, float64(input), FromInt(input).Value())
}
func TestFixed8Add(t *testing.T) {
a := FromInt(1)
b := FromInt(2)
c := a.Add(b)
expected := float64(3)
assert.Equal(t, expected, c.Value())
}
func TestFixed8AddRecursive(t *testing.T) {
a := FromInt(1)
sum := int64(1)
for i := int64(2); i <= 10; i++ {
sum += i
b := FromInt(i)
c := a.Add(b)
a = c // 1 + 2 + 3 ... + 10
}
assert.Equal(t, float64(sum), a.Value())
}
func TestFromInt(t *testing.T) {
inputs := []int64{12, 23, 100, 456789}
for _, val := range inputs {
assert.Equal(t, Fixed8(val*decimals), FromInt(val))
assert.Equal(t, float64(val), FromInt(val).Value())
}
for _, val := range inputs {
valString := strconv.FormatInt(val, 10)
assert.Equal(t, valString, FromInt(val).String())
}
}
func TestFromFloat(t *testing.T) {
inputs := []float64{12.98, 23.87654333, 100.654322, 456789.12345665}
for _, val := range inputs {
assert.Equal(t, Fixed8(val*decimals), FromFloat(val))
assert.Equal(t, float64(val), FromFloat(val).Value())
}
}
func TestFromString(t *testing.T) {
inputs := []string{"9000", "100000000", "5", "10945", "20.45", "0.00000001"}
for _, val := range inputs {
n, err := FromString(val)
assert.Nil(t, err)
assert.Equal(t, val, n.String())
}
val := "123456789.12345678"
n, err := FromString(val)
assert.Nil(t, err)
assert.Equal(t, Fixed8(12345678912345678), n)
val = "901.2341"
n, err = FromString(val)
assert.Nil(t, err)
assert.Equal(t, Fixed8(90123410000), n)
}