From 2f20bca23c7f503ee400858e6c238ce36dd8a623 Mon Sep 17 00:00:00 2001
From: Wolfgang Welz <welzwo@gmail.com>
Date: Thu, 1 Aug 2019 19:11:47 +0200
Subject: [PATCH] Restore BytesToString and StringToBytes from 106250a
---
packages/typeutils/unsafe_test.go | 92 +++++++++++++++++++++++++++++++
1 file changed, 92 insertions(+)
create mode 100644 packages/typeutils/unsafe_test.go
diff --git a/packages/typeutils/unsafe_test.go b/packages/typeutils/unsafe_test.go
new file mode 100644
index 00000000..d28a5c06
--- /dev/null
+++ b/packages/typeutils/unsafe_test.go
@@ -0,0 +1,92 @@
+package typeutils
+
+import (
+ "bytes"
+ "strings"
+ "testing"
+)
+
+var testStrings = []string{
+ "",
+ " ",
+ "test",
+ "こんにちは、 世界",
+ strings.Repeat(" ", 10),
+ strings.Repeat(" ", 100),
+ strings.Repeat(" ", 10000),
+ strings.Repeat(" ", 1000000),
+}
+
+func TestBytesToString(t *testing.T) {
+ for _, expected := range testStrings {
+ arg := []byte(expected)
+ actual := BytesToString(arg)
+ if actual != expected {
+ t.Errorf("BytesToString(%q) = %q but expected %q", arg, actual, expected)
+ }
+ }
+}
+
+func TestStringToBytes(t *testing.T) {
+ for _, arg := range testStrings {
+ expected := []byte(arg)
+ actual := StringToBytes(arg)
+ if !bytes.Equal(actual, expected) {
+ t.Errorf("Bytes(%q) = %q but expected %q", arg, actual, expected)
+ }
+ }
+}
+
+func TestNil(t *testing.T) {
+ actual := BytesToString(nil)
+ expected := ""
+ if actual != expected {
+ t.Errorf("String(nil) = %q but expected %q", actual, expected)
+ }
+}
+
+func createTestBytes() [][]byte {
+ result := make([][]byte, len(testStrings))
+ for i, str := range testStrings {
+ result[i] = []byte(str)
+ }
+ return result
+}
+
+func BenchmarkNativeBytesToString(b *testing.B) {
+ testBytes := createTestBytes()
+ b.ResetTimer()
+
+ for i := 0; i < b.N; i++ {
+ for _, bs := range testBytes {
+ _ = string(bs)
+ }
+ }
+}
+
+func BenchmarkUnsafeBytesToString(b *testing.B) {
+ testBytes := createTestBytes()
+ b.ResetTimer()
+
+ for i := 0; i < b.N; i++ {
+ for _, bs := range testBytes {
+ _ = BytesToString(bs)
+ }
+ }
+}
+
+func BenchmarkNativeStringToBytes(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ for _, str := range testStrings {
+ _ = []byte(str)
+ }
+ }
+}
+
+func BenchmarkUnsafeStringToBytes(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ for _, str := range testStrings {
+ _ = StringToBytes(str)
+ }
+ }
+}
--
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