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// Copyright 2015 Matthew Holt and The Caddy Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Most of the code in this file was initially borrowed from the Go
// standard library and modified; It had this copyright notice:
// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Original source, copied because the package was marked internal:
// https://github.com/golang/go/blob/5c489514bc5e61ad9b5b07bd7d8ec65d66a0512a/src/net/http/internal/ascii/print_test.go
package reverseproxy
import "testing"
func TestEqualFold(t *testing.T) {
tests := []struct {
name string
a, b string
want bool
}{
{
name: "empty",
want: true,
},
{
name: "simple match",
a: "CHUNKED",
b: "chunked",
want: true,
},
{
name: "same string",
a: "chunked",
b: "chunked",
want: true,
},
{
name: "Unicode Kelvin symbol",
a: "chunKed", // This "K" is 'KELVIN SIGN' (\u212A)
b: "chunked",
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := asciiEqualFold(tt.a, tt.b); got != tt.want {
t.Errorf("AsciiEqualFold(%q,%q): got %v want %v", tt.a, tt.b, got, tt.want)
}
})
}
}
func TestIsPrint(t *testing.T) {
tests := []struct {
name string
in string
want bool
}{
{
name: "empty",
want: true,
},
{
name: "ASCII low",
in: "This is a space: ' '",
want: true,
},
{
name: "ASCII high",
in: "This is a tilde: '~'",
want: true,
},
{
name: "ASCII low non-print",
in: "This is a unit separator: \x1F",
want: false,
},
{
name: "Ascii high non-print",
in: "This is a Delete: \x7F",
want: false,
},
{
name: "Unicode letter",
in: "Today it's 280K outside: it's freezing!", // This "K" is 'KELVIN SIGN' (\u212A)
want: false,
},
{
name: "Unicode emoji",
in: "Gophers like 🧀",
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := asciiIsPrint(tt.in); got != tt.want {
t.Errorf("IsASCIIPrint(%q): got %v want %v", tt.in, got, tt.want)
}
})
}
}
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