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58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
// 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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// Tests that involve both reading and writing.
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package zip
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import (
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"bytes"
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"fmt"
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"io"
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"testing"
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)
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type stringReaderAt string
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func (s stringReaderAt) ReadAt(p []byte, off int64) (n int, err error) {
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if off >= int64(len(s)) {
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return 0, io.EOF
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}
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n = copy(p, s[off:])
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return
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}
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func TestOver65kFiles(t *testing.T) {
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if testing.Short() {
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t.Logf("slow test; skipping")
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return
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}
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buf := new(bytes.Buffer)
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w := NewWriter(buf)
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const nFiles = (1 << 16) + 42
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for i := 0; i < nFiles; i++ {
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_, err := w.Create(fmt.Sprintf("%d.dat", i))
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if err != nil {
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t.Fatalf("creating file %d: %v", i, err)
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}
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}
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if err := w.Close(); err != nil {
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t.Fatalf("Writer.Close: %v", err)
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}
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rat := stringReaderAt(buf.String())
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zr, err := NewReader(rat, int64(len(rat)))
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if err != nil {
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t.Fatalf("NewReader: %v", err)
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}
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if got := len(zr.File); got != nFiles {
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t.Fatalf("File contains %d files, want %d", got, nFiles)
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}
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for i := 0; i < nFiles; i++ {
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want := fmt.Sprintf("%d.dat", i)
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if zr.File[i].Name != want {
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t.Fatalf("File(%d) = %q, want %q", i, zr.File[i].Name, want)
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}
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}
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}
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