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package s3crypto
import (
"bytes"
"testing"
"github.com/aws/aws-sdk-go/internal/sdkio"
)
func TestBytesReadWriteSeeker_Read(t *testing.T) {
b := &bytesReadWriteSeeker{[]byte{1, 2, 3}, 0}
expected := []byte{1, 2, 3}
buf := make([]byte, 3)
n, err := b.Read(buf)
if err != nil {
t.Errorf("expected no error, but received %v", err)
}
if e, a := 3, n; e != a {
t.Errorf("expected %d, but received %d", e, a)
}
if !bytes.Equal(expected, buf) {
t.Error("expected equivalent byte slices, but received otherwise")
}
}
func TestBytesReadWriteSeeker_Write(t *testing.T) {
b := &bytesReadWriteSeeker{}
expected := []byte{1, 2, 3}
buf := make([]byte, 3)
n, err := b.Write([]byte{1, 2, 3})
if err != nil {
t.Errorf("expected no error, but received %v", err)
}
if e, a := 3, n; e != a {
t.Errorf("expected %d, but received %d", e, a)
}
n, err = b.Read(buf)
if err != nil {
t.Errorf("expected no error, but received %v", err)
}
if e, a := 3, n; e != a {
t.Errorf("expected %d, but received %d", e, a)
}
if !bytes.Equal(expected, buf) {
t.Error("expected equivalent byte slices, but received otherwise")
}
}
func TestBytesReadWriteSeeker_Seek(t *testing.T) {
b := &bytesReadWriteSeeker{[]byte{1, 2, 3}, 0}
expected := []byte{2, 3}
m, err := b.Seek(1, sdkio.SeekStart)
if err != nil {
t.Errorf("expected no error, but received %v", err)
}
if e, a := 1, int(m); e != a {
t.Errorf("expected %d, but received %d", e, a)
}
buf := make([]byte, 3)
n, err := b.Read(buf)
if err != nil {
t.Errorf("expected no error, but received %v", err)
}
if e, a := 2, n; e != a {
t.Errorf("expected %d, but received %d", e, a)
}
if !bytes.Equal(expected, buf[:n]) {
t.Error("expected equivalent byte slices, but received otherwise")
}
}
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