neo-go/pkg/vm/vm_ops_bitwise_test.go
Roman Khimov 0258fa48f8 pkg/vm: fix all GolangCI warnings about v.executeOp errcheck
Fixes lots of warnings like this in the test code:
  Error return value of v.executeOp is not checked (from errcheck)
2019-08-12 16:25:16 +03:00

142 lines
2.6 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)
_, err = v.executeOp(stack.INVERT, ctx)
assert.Nil(t, err)
// 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
_, err = v.executeOp(stack.AND, ctx)
assert.Nil(t, err)
// 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)
_, err = v.executeOp(stack.OR, ctx)
assert.Nil(t, err)
// 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)
_, err = v.executeOp(stack.XOR, ctx)
assert.Nil(t, err)
// 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)
_, err = v.executeOp(stack.EQUAL, ctx)
assert.Nil(t, err)
// 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())
}