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|
package bytes
import (
"reflect"
"sync"
"testing"
"github.com/savsgio/gotils/strings"
)
func testRand(t *testing.T) {
t.Helper()
values := make([]string, 0)
for i := 0; i < 10000; i++ {
n := 32
dst := make([]byte, n)
Rand(dst)
if strings.Include(values, string(dst)) {
t.Error("Rand() returns the same value")
return
}
values = append(values, string(dst))
for i := range dst {
if string(rune(i)) == "" {
t.Errorf("RandBytes() invalid char '%v'", dst[i])
}
}
if len(dst) != n {
t.Errorf("RandBytes() length '%d', want '%d'", len(dst), n)
}
}
}
func Test_Rand(t *testing.T) {
testRand(t)
}
func Test_RandConcurrent(t *testing.T) {
n := 32
wg := sync.WaitGroup{}
for i := 0; i < n; i++ {
wg.Add(1)
go func() {
defer wg.Done()
testRand(t)
}()
}
wg.Wait()
}
func Test_Copy(t *testing.T) {
str := []byte("cache")
result := Copy(str)
if reflect.ValueOf(&str).Pointer() == reflect.ValueOf(&result).Pointer() {
t.Errorf("Copy() returns the same pointer (source == %p | result == %p)", &str, &result)
}
}
func Test_Equal(t *testing.T) {
foo := []byte("foo")
bar := []byte("bar")
if isEqual := Equal(foo, bar); isEqual {
t.Errorf("Equal(%s, %s) == %v, want %v", foo, bar, isEqual, false)
}
if isEqual := Equal(foo, foo); !isEqual {
t.Errorf("Equal(%s, %s) == %v, want %v", foo, foo, isEqual, true)
}
}
func Test_Extend(t *testing.T) {
type args struct {
b []byte
needLen int
}
type want struct {
sliceLen int
}
tests := []struct {
name string
args args
want want
}{
{
name: "Initial 0",
args: args{
b: make([]byte, 0),
needLen: 10,
},
want: want{
sliceLen: 10,
},
},
{
name: "Initial 10",
args: args{
b: make([]byte, 10),
needLen: 5,
},
want: want{
sliceLen: 5,
},
},
{
name: "Initial 69",
args: args{
b: make([]byte, 45),
needLen: 69,
},
want: want{
sliceLen: 69,
},
},
}
for _, tt := range tests {
b := tt.args.b
needLen := tt.args.needLen
sliceLen := tt.want.sliceLen
t.Run(tt.name, func(t *testing.T) {
got := Extend(b, needLen)
gotLen := len(got)
if gotLen != sliceLen {
t.Errorf("ExtendByteSlice() length = %v, want = %v", gotLen, sliceLen)
}
})
}
}
func Test_Prepend(t *testing.T) {
foo := []byte("foo")
bar := []byte("bar")
expected := []byte("foobar")
result := Prepend(bar, foo...)
if isEqual := Equal(result, expected); !isEqual {
t.Errorf("Prepend() == %s, want %s", result, expected)
}
}
func Test_PrependString(t *testing.T) {
foo := "foo"
bar := []byte("bar")
expected := []byte("foobar")
result := PrependString(bar, foo)
if isEqual := Equal(result, expected); !isEqual {
t.Errorf("Prepend() == %s, want %s", result, expected)
}
}
func Benchmark_Rand(b *testing.B) {
n := 32
dst := make([]byte, n)
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
Rand(dst)
}
})
}
|
