forked from TrueCloudLab/neoneo-go
ddd1d92ff1
The idea here is to preserve the history of `dev` branch development and its code when merging with the `master`. Later this code could be moved into the masters code where appropriate.
68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package stack
|
|
|
|
import (
|
|
"math/big"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
// A simple test to ensure that by embedding the abstract interface
|
|
// we immediately become a stack item, with the default values set to nil
|
|
func TestInterfaceEmbedding(t *testing.T) {
|
|
|
|
// Create an anonymous struct that embeds the abstractItem
|
|
a := struct {
|
|
*abstractItem
|
|
}{
|
|
&abstractItem{},
|
|
}
|
|
|
|
// Since interface checking can be done at compile time.
|
|
// If he abstractItem did not implement all methods of our interface `Item`
|
|
// Then any struct which embeds it, will also not implement the Item interface.
|
|
// This test would then give errors, at compile time.
|
|
var Items []Item
|
|
Items = append(Items, a)
|
|
|
|
// Default methods should give errors
|
|
// Here we just need to test against one of the methods in the interface
|
|
for _, element := range Items {
|
|
x, err := element.Integer()
|
|
assert.Nil(t, x)
|
|
assert.NotNil(t, err, nil)
|
|
}
|
|
|
|
}
|
|
|
|
// TestIntCasting is a simple test to test that the Integer method is overwritten
|
|
// from the abstractItem
|
|
func TestIntMethodOverride(t *testing.T) {
|
|
|
|
testValues := []int64{0, 10, 200, 30, 90}
|
|
var Items []Item
|
|
|
|
// Convert a range of int64s into Stack Integers
|
|
// Adding them into an array of StackItems
|
|
for _, num := range testValues {
|
|
stackInteger, err := NewInt(big.NewInt(num))
|
|
if err != nil {
|
|
t.Fail()
|
|
}
|
|
Items = append(Items, stackInteger)
|
|
}
|
|
|
|
// For each item, call the Integer method on the interface
|
|
// Which should return an integer and no error
|
|
// as the stack integer struct overrides that method
|
|
for i, element := range Items {
|
|
k, err := element.Integer()
|
|
if err != nil {
|
|
t.Fail()
|
|
}
|
|
if k.val.Cmp(big.NewInt(testValues[i])) != 0 {
|
|
t.Fail()
|
|
}
|
|
}
|
|
|
|
}
|