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// Copyright 2013 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 or at
// https://developers.google.com/open-source/licenses/bsd.
package httputil
import (
"net/http"
"testing"
)
var negotiateContentEncodingTests = []struct {
s string
offers []string
expect string
}{
{"", []string{"identity", "gzip"}, "identity"},
{"*;q=0", []string{"identity", "gzip"}, ""},
{"gzip", []string{"identity", "gzip"}, "gzip"},
{"gzip,zstd", []string{"identity", "zstd"}, "zstd"},
{"zstd,gzip", []string{"gzip", "zstd"}, "gzip"},
{"gzip,zstd", []string{"gzip", "zstd"}, "gzip"},
{"gzip,zstd", []string{"zstd", "gzip"}, "zstd"},
{"gzip;q=0.1,zstd;q=0.5", []string{"gzip", "zstd"}, "zstd"},
{"gzip;q=1.0, identity; q=0.5, *;q=0", []string{"identity", "gzip"}, "gzip"},
{"gzip;q=1.0, identity; q=0.5, *;q=0", []string{"identity", "zstd"}, "identity"},
{"zstd", []string{"identity", "gzip"}, "identity"},
}
func TestNegotiateContentEncoding(t *testing.T) {
for _, tt := range negotiateContentEncodingTests {
r := &http.Request{Header: http.Header{"Accept-Encoding": {tt.s}}}
actual := NegotiateContentEncoding(r, tt.offers)
if actual != tt.expect {
t.Errorf("NegotiateContentEncoding(%q, %#v)=%q, want %q", tt.s, tt.offers, actual, tt.expect)
}
}
}
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