neoneo-go/pkg/util/bitfield/bitfield_test.go

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package bitfield
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestFields(t *testing.T) {
a := New(128)
b := New(128)
a.Set(10)
b.Set(10)
a.Set(42)
b.Set(42)
a.Set(100)
b.Set(100)
require.True(t, a.IsSet(42))
require.False(t, b.IsSet(43))
require.True(t, a.IsSubset(b))
v := uint64(1<<10 | 1<<42)
require.Equal(t, v, a[0])
require.Equal(t, v, b[0])
require.True(t, a.Equals(b))
c := a.Copy()
require.True(t, c.Equals(b))
z := New(128)
require.True(t, z.IsSubset(c))
c.And(a)
require.True(t, c.Equals(b))
c.And(z)
require.True(t, c.Equals(z))
c = New(64)
require.False(t, z.IsSubset(c))
c[0] = a[0]
require.False(t, c.Equals(a))
require.True(t, c.IsSubset(a))
b.And(c)
require.False(t, b.Equals(a))
}