mirror of
https://github.com/samuelncui/acp.git
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35 lines
769 B
Go
35 lines
769 B
Go
// Copyright 2015 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 mmap
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import (
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"bytes"
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"io"
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"io/ioutil"
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"testing"
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)
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func TestOpen(t *testing.T) {
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const filename = "mmap_test.go"
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r, err := Open(filename)
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if err != nil {
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t.Fatalf("Open: %v", err)
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}
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got := make([]byte, r.Len())
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if _, err := r.ReadAt(got, 0); err != nil && err != io.EOF {
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t.Fatalf("ReadAt: %v", err)
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}
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want, err := ioutil.ReadFile(filename)
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if err != nil {
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t.Fatalf("ioutil.ReadFile: %v", err)
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}
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if len(got) != len(want) {
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t.Fatalf("got %d bytes, want %d", len(got), len(want))
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}
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if !bytes.Equal(got, want) {
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t.Fatalf("\ngot %q\nwant %q", string(got), string(want))
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}
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}
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