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package bytes
import (
stdbytes "bytes"
"strings"
"testing"
"github.com/stretchr/testify/require"
)
type benchCase struct {
name string
input string
lower string
upper string
}
var benchmarkCoreCases = []benchCase{
{name: "empty", input: "", upper: "", lower: ""},
{name: "http-get", input: "get", upper: "GET", lower: "get"},
{name: "http-get-upper", input: "GET", upper: "GET", lower: "get"},
{
name: "header-content-type-mixed",
input: "Content-Type: text/html; charset=utf-8",
upper: "CONTENT-TYPE: TEXT/HTML; CHARSET=UTF-8",
lower: "content-type: text/html; charset=utf-8",
},
{name: "large-lower", input: strings.Repeat("a", 64), upper: strings.Repeat("A", 64), lower: strings.Repeat("a", 64)},
{name: "large-upper", input: strings.Repeat("A", 64), upper: strings.Repeat("A", 64), lower: strings.Repeat("a", 64)},
{name: "large-mixed", input: strings.Repeat("aB", 32), upper: strings.Repeat("AB", 32), lower: strings.Repeat("ab", 32)},
}
func Test_ToLowerBytes(t *testing.T) {
t.Parallel()
require.Equal(t, []byte("/my/name/is/:param/*"), UnsafeToLower([]byte("/MY/NAME/IS/:PARAM/*")))
require.Equal(t, []byte("/my1/name/is/:param/*"), UnsafeToLower([]byte("/MY1/NAME/IS/:PARAM/*")))
require.Equal(t, []byte("/my2/name/is/:param/*"), UnsafeToLower([]byte("/MY2/NAME/IS/:PARAM/*")))
require.Equal(t, []byte("/my3/name/is/:param/*"), UnsafeToLower([]byte("/MY3/NAME/IS/:PARAM/*")))
require.Equal(t, []byte("/my4/name/is/:param/*"), UnsafeToLower([]byte("/MY4/NAME/IS/:PARAM/*")))
}
func Test_ToUpperBytes(t *testing.T) {
t.Parallel()
require.Equal(t, []byte("/MY/NAME/IS/:PARAM/*"), UnsafeToUpper([]byte("/my/name/is/:param/*")))
require.Equal(t, []byte("/MY1/NAME/IS/:PARAM/*"), UnsafeToUpper([]byte("/my1/name/is/:param/*")))
require.Equal(t, []byte("/MY2/NAME/IS/:PARAM/*"), UnsafeToUpper([]byte("/my2/name/is/:param/*")))
require.Equal(t, []byte("/MY3/NAME/IS/:PARAM/*"), UnsafeToUpper([]byte("/my3/name/is/:param/*")))
require.Equal(t, []byte("/MY4/NAME/IS/:PARAM/*"), UnsafeToUpper([]byte("/my4/name/is/:param/*")))
}
func Test_ToLower_NoMutation(t *testing.T) {
in := []byte("Content-Type")
snapshot := append([]byte(nil), in...)
out := ToLower(in)
require.Equal(t, "content-type", string(out))
require.Equal(t, snapshot, in)
}
func Test_ToUpper_NoMutation(t *testing.T) {
in := []byte("content-type")
snapshot := append([]byte(nil), in...)
out := ToUpper(in)
require.Equal(t, "CONTENT-TYPE", string(out))
require.Equal(t, snapshot, in)
}
func TestUnsafeToLower_Mutates(t *testing.T) {
in := []byte("Content-Type")
out := UnsafeToLower(in)
require.Same(t, &out[0], &in[0])
require.Equal(t, "content-type", string(in))
}
func TestUnsafeToUpper_Mutates(t *testing.T) {
in := []byte("content-type")
out := UnsafeToUpper(in)
require.Same(t, &out[0], &in[0])
require.Equal(t, "CONTENT-TYPE", string(in))
}
func Test_ToLowerBytes_Edge(t *testing.T) {
t.Parallel()
cases := [][]byte{
{},
[]byte("123"),
[]byte("!@#"),
}
for _, c := range cases {
t.Run(string(c), func(t *testing.T) {
t.Parallel()
require.Equal(t, stdbytes.ToLower(c), UnsafeToLower(c))
})
}
}
func Test_ToUpperBytes_Edge(t *testing.T) {
t.Parallel()
cases := [][]byte{
{},
[]byte("123"),
[]byte("!@#"),
}
for _, c := range cases {
t.Run(string(c), func(t *testing.T) {
t.Parallel()
require.Equal(t, stdbytes.ToUpper(c), UnsafeToUpper(c))
})
}
}
func Benchmark_ToLowerBytes(b *testing.B) {
for _, tc := range benchmarkCoreCases {
b.Run(tc.name, func(b *testing.B) {
template := []byte(tc.input)
want := []byte(tc.lower)
var res []byte
b.Run("fiber", func(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
res = ToLower(template)
}
require.Equal(b, want, res)
})
b.Run("fiber/unsafe", func(b *testing.B) {
b.ReportAllocs()
work := make([]byte, len(template))
for i := 0; i < b.N; i++ {
copy(work, template)
res = UnsafeToLower(work)
}
require.Equal(b, want, res)
})
b.Run("default", func(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
res = stdbytes.ToLower(template)
}
require.Equal(b, want, res)
})
})
}
}
func Benchmark_ToUpperBytes(b *testing.B) {
for _, tc := range benchmarkCoreCases {
b.Run(tc.name, func(b *testing.B) {
template := []byte(tc.input)
want := []byte(tc.upper)
var res []byte
b.Run("fiber", func(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
res = ToUpper(template)
}
require.Equal(b, want, res)
})
b.Run("fiber/unsafe", func(b *testing.B) {
b.ReportAllocs()
work := make([]byte, len(template))
for i := 0; i < b.N; i++ {
copy(work, template)
res = UnsafeToUpper(work)
}
require.Equal(b, want, res)
})
b.Run("default", func(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
res = stdbytes.ToUpper(template)
}
require.Equal(b, want, res)
})
})
}
}
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