plugeth/ethutil/value_test.go

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package ethutil
import (
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"bytes"
"math/big"
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"testing"
)
func TestValueCmp(t *testing.T) {
val1 := NewValue("hello")
val2 := NewValue("world")
if val1.Cmp(val2) {
t.Error("Expected values not to be equal")
}
val3 := NewValue("hello")
val4 := NewValue("hello")
if !val3.Cmp(val4) {
t.Error("Expected values to be equal")
}
}
func TestValueTypes(t *testing.T) {
str := NewValue("str")
num := NewValue(1)
inter := NewValue([]interface{}{1})
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byt := NewValue([]byte{1, 2, 3, 4})
bigInt := NewValue(big.NewInt(10))
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if str.Str() != "str" {
t.Errorf("expected Str to return 'str', got %s", str.Str())
}
if num.Uint() != 1 {
t.Errorf("expected Uint to return '1', got %d", num.Uint())
}
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interExp := []interface{}{1}
if !NewValue(inter.Interface()).Cmp(NewValue(interExp)) {
t.Errorf("expected Interface to return '%v', got %v", interExp, num.Interface())
}
bytExp := []byte{1, 2, 3, 4}
if bytes.Compare(byt.Bytes(), bytExp) != 0 {
t.Errorf("expected Bytes to return '%v', got %v", bytExp, byt.Bytes())
}
bigExp := big.NewInt(10)
if bigInt.BigInt().Cmp(bigExp) != 0 {
t.Errorf("expected BigInt to return '%v', got %v", bigExp, bigInt.BigInt())
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}
}
func TestIterator(t *testing.T) {
value := NewValue([]interface{}{1, 2, 3})
it := value.NewIterator()
values := []uint64{1, 2, 3}
i := 0
for it.Next() {
if values[i] != it.Value().Uint() {
t.Errorf("Expected %d, got %d", values[i], it.Value().Uint())
}
i++
}
}
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func TestMath(t *testing.T) {
a := NewValue(1)
a.Add(1).Add(1)
if !a.DeepCmp(NewValue(3)) {
t.Error("Expected 3, got", a)
}
a = NewValue(2)
a.Sub(1).Sub(1)
if !a.DeepCmp(NewValue(0)) {
t.Error("Expected 0, got", a)
}
}