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Diffstat (limited to 'pkg/secio/secio_test.go')
-rw-r--r--pkg/secio/secio_test.go126
1 files changed, 0 insertions, 126 deletions
diff --git a/pkg/secio/secio_test.go b/pkg/secio/secio_test.go
deleted file mode 100644
index d1d905187..000000000
--- a/pkg/secio/secio_test.go
+++ /dev/null
@@ -1,126 +0,0 @@
-// Copyright 2018 The gVisor 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.
-
-package secio
-
-import (
- "bytes"
- "errors"
- "io"
- "io/ioutil"
- "math"
- "testing"
-)
-
-var errEndOfBuffer = errors.New("write beyond end of buffer")
-
-// buffer resembles bytes.Buffer, but implements io.ReaderAt and io.WriterAt.
-// Reads beyond the end of the buffer return io.EOF. Writes beyond the end of
-// the buffer return errEndOfBuffer.
-type buffer struct {
- Bytes []byte
-}
-
-// ReadAt implements io.ReaderAt.ReadAt.
-func (b *buffer) ReadAt(dst []byte, off int64) (int, error) {
- if off >= int64(len(b.Bytes)) {
- return 0, io.EOF
- }
- n := copy(dst, b.Bytes[off:])
- if n < len(dst) {
- return n, io.EOF
- }
- return n, nil
-}
-
-// WriteAt implements io.WriterAt.WriteAt.
-func (b *buffer) WriteAt(src []byte, off int64) (int, error) {
- if off >= int64(len(b.Bytes)) {
- return 0, errEndOfBuffer
- }
- n := copy(b.Bytes[off:], src)
- if n < len(src) {
- return n, errEndOfBuffer
- }
- return n, nil
-}
-
-func newBufferString(s string) *buffer {
- return &buffer{[]byte(s)}
-}
-
-func TestOffsetReader(t *testing.T) {
- buf := newBufferString("foobar")
- r := NewOffsetReader(buf, 3)
- dst, err := ioutil.ReadAll(r)
- if want := []byte("bar"); !bytes.Equal(dst, want) || err != nil {
- t.Errorf("ReadAll: got (%q, %v), wanted (%q, nil)", dst, err, want)
- }
-}
-
-func TestSectionReader(t *testing.T) {
- buf := newBufferString("foobarbaz")
- r := NewSectionReader(buf, 3, 3)
- dst, err := ioutil.ReadAll(r)
- if want, wantErr := []byte("bar"), ErrReachedLimit; !bytes.Equal(dst, want) || err != wantErr {
- t.Errorf("ReadAll: got (%q, %v), wanted (%q, %v)", dst, err, want, wantErr)
- }
-}
-
-func TestSectionReaderLimitOverflow(t *testing.T) {
- // SectionReader behaves like OffsetReader when limit overflows int64.
- buf := newBufferString("foobar")
- r := NewSectionReader(buf, 3, math.MaxInt64)
- dst, err := ioutil.ReadAll(r)
- if want := []byte("bar"); !bytes.Equal(dst, want) || err != nil {
- t.Errorf("ReadAll: got (%q, %v), wanted (%q, nil)", dst, err, want)
- }
-}
-
-func TestOffsetWriter(t *testing.T) {
- buf := newBufferString("ABCDEF")
- w := NewOffsetWriter(buf, 3)
- n, err := w.Write([]byte("foobar"))
- if wantN, wantErr := 3, errEndOfBuffer; n != wantN || err != wantErr {
- t.Errorf("WriteAt: got (%v, %v), wanted (%v, %v)", n, err, wantN, wantErr)
- }
- if got, want := buf.Bytes, []byte("ABCfoo"); !bytes.Equal(got, want) {
- t.Errorf("buf.Bytes: got %q, wanted %q", got, want)
- }
-}
-
-func TestSectionWriter(t *testing.T) {
- buf := newBufferString("ABCDEFGHI")
- w := NewSectionWriter(buf, 3, 3)
- n, err := w.Write([]byte("foobar"))
- if wantN, wantErr := 3, ErrReachedLimit; n != wantN || err != wantErr {
- t.Errorf("WriteAt: got (%v, %v), wanted (%v, %v)", n, err, wantN, wantErr)
- }
- if got, want := buf.Bytes, []byte("ABCfooGHI"); !bytes.Equal(got, want) {
- t.Errorf("buf.Bytes: got %q, wanted %q", got, want)
- }
-}
-
-func TestSectionWriterLimitOverflow(t *testing.T) {
- // SectionWriter behaves like OffsetWriter when limit overflows int64.
- buf := newBufferString("ABCDEF")
- w := NewSectionWriter(buf, 3, math.MaxInt64)
- n, err := w.Write([]byte("foobar"))
- if wantN, wantErr := 3, errEndOfBuffer; n != wantN || err != wantErr {
- t.Errorf("WriteAt: got (%v, %v), wanted (%v, %v)", n, err, wantN, wantErr)
- }
- if got, want := buf.Bytes, []byte("ABCfoo"); !bytes.Equal(got, want) {
- t.Errorf("buf.Bytes: got %q, wanted %q", got, want)
- }
-}