57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
package util
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import (
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"encoding/json"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestNewFixed8(t *testing.T) {
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values := []int{9000, 100000000, 5, 10945}
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for _, val := range values {
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assert.Equal(t, Fixed8(val*decimals), NewFixed8(val))
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assert.Equal(t, int64(val), NewFixed8(val).Value())
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}
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}
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func TestFixed8DecodeString(t *testing.T) {
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// Fixed8DecodeString works correctly with integers
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ivalues := []string{"9000", "100000000", "5", "10945"}
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for _, val := range ivalues {
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n, err := Fixed8DecodeString(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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// Fixed8DecodeString parses number with maximal precision
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val := "123456789.12345678"
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n, err := Fixed8DecodeString(val)
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assert.Nil(t, err)
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assert.Equal(t, Fixed8(12345678912345678), n)
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// Fixed8DecodeString parses number with non-maximal precision
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val = "901.2341"
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n, err = Fixed8DecodeString(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 TestFixed8UnmarshalJSON(t *testing.T) {
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fl := float64(123.45)
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str := "123.45"
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expected, _ := Fixed8DecodeString(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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