package util import ( "encoding/json" "strconv" "testing" "github.com/stretchr/testify/assert" ) func TestNewFixed8(t *testing.T) { values := []int{9000, 100000000, 5, 10945} for _, val := range values { assert.Equal(t, Fixed8(val*decimals), NewFixed8(val)) assert.Equal(t, int64(val), NewFixed8(val).Value()) } } func TestFixed8DecodeString(t *testing.T) { // Fixed8DecodeString works correctly with integers ivalues := []string{"9000", "100000000", "5", "10945"} for _, val := range ivalues { n, err := Fixed8DecodeString(val) assert.Nil(t, err) assert.Equal(t, val, n.String()) } // Fixed8DecodeString parses number with maximal precision val := "123456789.12345678" n, err := Fixed8DecodeString(val) assert.Nil(t, err) assert.Equal(t, Fixed8(12345678912345678), n) // Fixed8DecodeString parses number with non-maximal precision val = "901.2341" n, err = Fixed8DecodeString(val) assert.Nil(t, err) assert.Equal(t, Fixed8(90123410000), n) } func TestFixed8UnmarshalJSON(t *testing.T) { var testCases = []float64{ 123.45, -123.45, } for _, fl := range testCases { str := strconv.FormatFloat(fl, 'g', -1, 64) expected, _ := Fixed8DecodeString(str) // UnmarshalJSON should decode floats var u1 Fixed8 s, _ := json.Marshal(fl) assert.Nil(t, json.Unmarshal(s, &u1)) assert.Equal(t, expected, u1) // UnmarshalJSON should decode strings var u2 Fixed8 s, _ = json.Marshal(str) assert.Nil(t, json.Unmarshal(s, &u2)) assert.Equal(t, expected, u2) } }