golang-image/tiff/buffer_test.go
Nigel Tao cc3e6234e7 go.image: initial code.
Manual edits to README.
Moved from main Go repository, deleted Makefiles.

Tested with go test code.google.com/p/go.image/...

Fixes golang/go#2797.

R=rsc, rsc, r
CC=golang-dev
https://golang.org/cl/5593053
2012-01-31 11:32:50 +11:00

37 lines
763 B
Go

// Copyright 2011 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 tiff
import (
"io"
"strings"
"testing"
)
var readAtTests = []struct {
n int
off int64
s string
err error
}{
{2, 0, "ab", nil},
{6, 0, "abcdef", nil},
{3, 3, "def", nil},
{3, 5, "f", io.EOF},
{3, 6, "", io.EOF},
}
func TestReadAt(t *testing.T) {
r := newReaderAt(strings.NewReader("abcdef"))
b := make([]byte, 10)
for _, test := range readAtTests {
n, err := r.ReadAt(b[:test.n], test.off)
s := string(b[:n])
if s != test.s || err != test.err {
t.Errorf("buffer.ReadAt(<%v bytes>, %v): got %v, %q; want %v, %q", test.n, test.off, err, s, test.err, test.s)
}
}
}