prysm-pulse/beacon-chain/utils/checkbit_test.go

62 lines
1.3 KiB
Go

package utils
import (
"testing"
)
func TestCheckBit(t *testing.T) {
tests := []struct {
a []byte
b int
c bool
}{
{a: []byte{200}, b: 4, c: true}, //11001000
{a: []byte{148}, b: 5, c: true}, //10010100
{a: []byte{146}, b: 4, c: false}, //10010010
{a: []byte{179}, b: 7, c: true}, //10110011
{a: []byte{49}, b: 6, c: false}, //00110001
}
for _, tt := range tests {
set := CheckBit(tt.a, tt.b)
if set != tt.c {
t.Errorf("Test check bit set failed with %v and location %v", tt.a, tt.b)
}
}
}
func TestBitSetCount(t *testing.T) {
tests := []struct {
a byte
b int
}{
{a: 200, b: 3}, //11001000
{a: 148, b: 3}, //10010100
{a: 146, b: 3}, //10010010
{a: 179, b: 5}, //10110011
{a: 49, b: 3}, //00110001
}
for _, tt := range tests {
if int(BitSetCount(tt.a)) != tt.b {
t.Errorf("BitSetCount(%d) = %v, want = %d", tt.a, int(BitSetCount(tt.a)), tt.b)
}
}
}
func TestByteLength(t *testing.T) {
tests := []struct {
a int
b int
}{
{a: 200, b: 25}, //11001000
{a: 34324, b: 4291}, //10010100
{a: 146, b: 19}, //10010010
{a: 179, b: 23}, //10110011
{a: 49, b: 7}, //00110001
}
for _, tt := range tests {
if BitLength(tt.a) != tt.b {
t.Errorf("BitLength(%d) = %d, want = %d", tt.a, BitLength(tt.a), tt.b)
}
}
}