syncthing/internal/osutil/replacingwriter_test.go
2014-11-17 12:54:42 +01:00

54 lines
1.5 KiB
Go

// Copyright (C) 2014 The Syncthing Authors.
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along
// with this program. If not, see <http://www.gnu.org/licenses/>.
package osutil
import (
"bytes"
"fmt"
"testing"
)
var testcases = []struct {
from byte
to []byte
a, b string
}{
{'\n', []byte{'\r', '\n'}, "", ""},
{'\n', []byte{'\r', '\n'}, "foo", "foo"},
{'\n', []byte{'\r', '\n'}, "foo\n", "foo\r\n"},
{'\n', []byte{'\r', '\n'}, "foo\nbar", "foo\r\nbar"},
{'\n', []byte{'\r', '\n'}, "foo\nbar\nbaz", "foo\r\nbar\r\nbaz"},
{'\n', []byte{'\r', '\n'}, "\nbar", "\r\nbar"},
{'o', []byte{'x', 'l', 'r'}, "\nfoo", "\nfxlrxlr"},
{'o', nil, "\nfoo", "\nf"},
{'f', []byte{}, "\nfoo", "\noo"},
}
func TestReplacingWriter(t *testing.T) {
for _, tc := range testcases {
var buf bytes.Buffer
w := ReplacingWriter{
Writer: &buf,
From: tc.from,
To: tc.to,
}
fmt.Fprint(w, tc.a)
if buf.String() != tc.b {
t.Errorf("%q != %q", buf.String(), tc.b)
}
}
}