59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
// Copyright 2018 Google Inc. All rights reserved.
|
|
//
|
|
// 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.
|
|
|
|
package symbol_inject
|
|
|
|
import (
|
|
"bytes"
|
|
"strconv"
|
|
"testing"
|
|
)
|
|
|
|
func TestCopyAndInject(t *testing.T) {
|
|
s := "abcdefghijklmnopqrstuvwxyz"
|
|
testCases := []struct {
|
|
offset uint64
|
|
buf string
|
|
expected string
|
|
}{
|
|
{
|
|
offset: 0,
|
|
buf: "A",
|
|
expected: "Abcdefghijklmnopqrstuvwxyz",
|
|
},
|
|
{
|
|
offset: 1,
|
|
buf: "B",
|
|
expected: "aBcdefghijklmnopqrstuvwxyz",
|
|
},
|
|
{
|
|
offset: 25,
|
|
buf: "Z",
|
|
expected: "abcdefghijklmnopqrstuvwxyZ",
|
|
},
|
|
}
|
|
|
|
for i, testCase := range testCases {
|
|
t.Run(strconv.Itoa(i), func(t *testing.T) {
|
|
in := bytes.NewReader([]byte(s))
|
|
out := &bytes.Buffer{}
|
|
copyAndInject(in, out, testCase.offset, []byte(testCase.buf))
|
|
|
|
if out.String() != testCase.expected {
|
|
t.Errorf("expected %s, got %s", testCase.expected, out.String())
|
|
}
|
|
})
|
|
}
|
|
}
|