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// Copyright 2012 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.
package multipart
import (
"bytes"
"fmt"
"io"
"strings"
"testing"
)
func TestQuotedPrintable(t *testing.T) {
tests := []struct {
in, want string
err interface{}
}{
{in: "foo bar", want: "foo bar"},
{in: "foo bar=3D", want: "foo bar="},
{in: "foo bar=0", want: "foo bar", err: io.ErrUnexpectedEOF},
{in: "foo bar=ab", want: "foo bar", err: "multipart: invalid quoted-printable hex byte 0x61"},
{in: "foo bar=0D=0A", want: "foo bar\r\n"},
{in: "foo bar=\r\n baz", want: "foo bar baz"},
{in: "foo=\nbar", want: "foobar"},
{in: "foo\x00bar", want: "foo", err: "multipart: invalid unescaped byte 0x00 in quoted-printable body"},
{in: "foo bar\xff", want: "foo bar", err: "multipart: invalid unescaped byte 0xff in quoted-printable body"},
}
for _, tt := range tests {
var buf bytes.Buffer
_, err := io.Copy(&buf, newQuotedPrintableReader(strings.NewReader(tt.in)))
if got := buf.String(); got != tt.want {
t.Errorf("for %q, got %q; want %q", tt.in, got, tt.want)
}
switch verr := tt.err.(type) {
case nil:
if err != nil {
t.Errorf("for %q, got unexpected error: %v", tt.in, err)
}
case string:
if got := fmt.Sprint(err); got != verr {
t.Errorf("for %q, got error %q; want %q", tt.in, got, verr)
}
case error:
if err != verr {
t.Errorf("for %q, got error %q; want %q", tt.in, err, verr)
}
}
}
}
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