mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-12-12 01:10:36 +00:00
137 lines
2.4 KiB
Go
137 lines
2.4 KiB
Go
package vm
|
|
|
|
import (
|
|
"math/big"
|
|
"testing"
|
|
|
|
"github.com/CityOfZion/neo-go/pkg/vm/stack"
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestInvertOp(t *testing.T) {
|
|
|
|
v := VM{}
|
|
|
|
// 0000 00110 = 5
|
|
a, err := stack.NewInt(big.NewInt(5))
|
|
assert.Nil(t, err)
|
|
|
|
ctx := stack.NewContext([]byte{})
|
|
ctx.Estack.Push(a)
|
|
|
|
// 1111 11001 = -6 (two complement representation)
|
|
v.executeOp(stack.INVERT, ctx)
|
|
|
|
// Stack should have one item
|
|
assert.Equal(t, 1, ctx.Estack.Len())
|
|
|
|
item, err := ctx.Estack.PopInt()
|
|
assert.Nil(t, err)
|
|
|
|
assert.Equal(t, int64(-6), item.Value().Int64())
|
|
}
|
|
|
|
func TestAndOp(t *testing.T) {
|
|
|
|
v := VM{}
|
|
|
|
// 110001 = 49
|
|
a, err := stack.NewInt(big.NewInt(49))
|
|
assert.Nil(t, err)
|
|
|
|
// 100011 = 35
|
|
b, err := stack.NewInt(big.NewInt(35))
|
|
assert.Nil(t, err)
|
|
|
|
ctx := stack.NewContext([]byte{})
|
|
ctx.Estack.Push(a).Push(b)
|
|
|
|
// 100001 = 33
|
|
v.executeOp(stack.AND, ctx)
|
|
|
|
// Stack should have one item
|
|
assert.Equal(t, 1, ctx.Estack.Len())
|
|
|
|
item, err := ctx.Estack.PopInt()
|
|
assert.Nil(t, err)
|
|
|
|
assert.Equal(t, int64(33), item.Value().Int64())
|
|
}
|
|
|
|
func TestOrOp(t *testing.T) {
|
|
|
|
v := VM{}
|
|
|
|
// 110001 = 49
|
|
a, err := stack.NewInt(big.NewInt(49))
|
|
assert.Nil(t, err)
|
|
|
|
// 100011 = 35
|
|
b, err := stack.NewInt(big.NewInt(35))
|
|
assert.Nil(t, err)
|
|
|
|
ctx := stack.NewContext([]byte{})
|
|
ctx.Estack.Push(a).Push(b)
|
|
|
|
// 110011 = 51 (49 OR 35)
|
|
v.executeOp(stack.OR, ctx)
|
|
|
|
// Stack should have one item
|
|
assert.Equal(t, 1, ctx.Estack.Len())
|
|
|
|
item, err := ctx.Estack.PopInt()
|
|
assert.Nil(t, err)
|
|
|
|
assert.Equal(t, int64(51), item.Value().Int64())
|
|
}
|
|
|
|
func TestXorOp(t *testing.T) {
|
|
|
|
v := VM{}
|
|
|
|
// 110001 = 49
|
|
a, err := stack.NewInt(big.NewInt(49))
|
|
assert.Nil(t, err)
|
|
|
|
// 100011 = 35
|
|
b, err := stack.NewInt(big.NewInt(35))
|
|
assert.Nil(t, err)
|
|
|
|
ctx := stack.NewContext([]byte{})
|
|
ctx.Estack.Push(a).Push(b)
|
|
|
|
// 010010 = 18 (49 XOR 35)
|
|
v.executeOp(stack.XOR, ctx)
|
|
|
|
// Stack should have one item
|
|
assert.Equal(t, 1, ctx.Estack.Len())
|
|
|
|
item, err := ctx.Estack.PopInt()
|
|
assert.Nil(t, err)
|
|
|
|
assert.Equal(t, int64(18), item.Value().Int64())
|
|
}
|
|
|
|
func TestEqualOp(t *testing.T) {
|
|
|
|
v := VM{}
|
|
|
|
a, err := stack.NewInt(big.NewInt(10))
|
|
assert.Nil(t, err)
|
|
|
|
b, err := stack.NewInt(big.NewInt(10))
|
|
assert.Nil(t, err)
|
|
|
|
ctx := stack.NewContext([]byte{})
|
|
ctx.Estack.Push(a).Push(b)
|
|
|
|
v.executeOp(stack.EQUAL, ctx)
|
|
|
|
// Stack should have one item
|
|
assert.Equal(t, 1, ctx.Estack.Len())
|
|
|
|
item, err := ctx.Estack.PopBoolean()
|
|
assert.Nil(t, err)
|
|
|
|
assert.Equal(t, true, item.Value())
|
|
}
|