37 lines
763 B
Go
37 lines
763 B
Go
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// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package tiff
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import (
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"io"
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"strings"
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"testing"
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)
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var readAtTests = []struct {
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n int
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off int64
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s string
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err error
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}{
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{2, 0, "ab", nil},
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{6, 0, "abcdef", nil},
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{3, 3, "def", nil},
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{3, 5, "f", io.EOF},
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{3, 6, "", io.EOF},
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}
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func TestReadAt(t *testing.T) {
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r := newReaderAt(strings.NewReader("abcdef"))
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b := make([]byte, 10)
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for _, test := range readAtTests {
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n, err := r.ReadAt(b[:test.n], test.off)
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s := string(b[:n])
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if s != test.s || err != test.err {
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t.Errorf("buffer.ReadAt(<%v bytes>, %v): got %v, %q; want %v, %q", test.n, test.off, err, s, test.err, test.s)
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}
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}
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}
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