mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-23 13:38:35 +00:00
96 lines
2.2 KiB
Go
96 lines
2.2 KiB
Go
package util
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import (
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"encoding/json"
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"strconv"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestFixed8FromInt64(t *testing.T) {
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values := []int64{9000, 100000000, 5, 10945, -42}
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for _, val := range values {
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assert.Equal(t, Fixed8(val*decimals), Fixed8FromInt64(val))
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assert.Equal(t, val, Fixed8FromInt64(val).Int64Value())
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}
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}
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func TestFixed8Add(t *testing.T) {
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a := Fixed8FromInt64(1)
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b := Fixed8FromInt64(2)
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c := a.Add(b)
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expected := int64(3)
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assert.Equal(t, strconv.FormatInt(expected, 10), c.String())
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}
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func TestFixed8Sub(t *testing.T) {
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a := Fixed8FromInt64(42)
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b := Fixed8FromInt64(34)
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c := a.Sub(b)
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assert.Equal(t, int64(8), c.Int64Value())
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}
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func TestFixed8FromFloat(t *testing.T) {
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inputs := []float64{12.98, 23.87654333, 100.654322, 456789.12345665, -3.14159265}
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for _, val := range inputs {
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assert.Equal(t, Fixed8(val*decimals), Fixed8FromFloat(val))
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assert.Equal(t, val, Fixed8FromFloat(val).FloatValue())
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}
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}
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func TestFixed8FromString(t *testing.T) {
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// Fixed8FromString works correctly with integers
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ivalues := []string{"9000", "100000000", "5", "10945", "20.45", "0.00000001", "-42"}
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for _, val := range ivalues {
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n, err := Fixed8FromString(val)
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assert.Nil(t, err)
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assert.Equal(t, val, n.String())
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}
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// Fixed8FromString parses number with maximal precision
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val := "123456789.12345678"
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n, err := Fixed8FromString(val)
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assert.Nil(t, err)
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assert.Equal(t, Fixed8(12345678912345678), n)
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// Fixed8FromString parses number with non-maximal precision
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val = "901.2341"
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n, err = Fixed8FromString(val)
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assert.Nil(t, err)
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assert.Equal(t, Fixed8(90123410000), n)
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}
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func TestSatoshi(t *testing.T) {
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satoshif8 := Satoshi()
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assert.Equal(t, "0.00000001", satoshif8.String())
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}
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func TestFixed8UnmarshalJSON(t *testing.T) {
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var testCases = []float64{
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123.45,
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-123.45,
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}
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for _, fl := range testCases {
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str := strconv.FormatFloat(fl, 'g', -1, 64)
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expected, _ := Fixed8FromString(str)
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// UnmarshalJSON should decode floats
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var u1 Fixed8
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s, _ := json.Marshal(fl)
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assert.Nil(t, json.Unmarshal(s, &u1))
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assert.Equal(t, expected, u1)
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// UnmarshalJSON should decode strings
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var u2 Fixed8
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s, _ = json.Marshal(str)
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assert.Nil(t, json.Unmarshal(s, &u2))
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assert.Equal(t, expected, u2)
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}
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}
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