Subversion Repositories openrisc

// 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.

// Tests that involve both reading and writing.

package zip

import (
        "bytes"
        "fmt"
        "io"
        "reflect"
        "testing"
        "time"
)

type stringReaderAt string

func (s stringReaderAt) ReadAt(p []byte, off int64) (n int, err error) {
        if off >= int64(len(s)) {
                return 0, io.EOF
        }
        n = copy(p, s[off:])
        return
}

func TestOver65kFiles(t *testing.T) {
        if testing.Short() {
                t.Logf("slow test; skipping")
                return
        }
        buf := new(bytes.Buffer)
        w := NewWriter(buf)
        const nFiles = (1 << 16) + 42
        for i := 0; i < nFiles; i++ {
                _, err := w.Create(fmt.Sprintf("%d.dat", i))
                if err != nil {
                        t.Fatalf("creating file %d: %v", i, err)
                }
        }
        if err := w.Close(); err != nil {
                t.Fatalf("Writer.Close: %v", err)
        }
        rat := stringReaderAt(buf.String())
        zr, err := NewReader(rat, int64(len(rat)))
        if err != nil {
                t.Fatalf("NewReader: %v", err)
        }
        if got := len(zr.File); got != nFiles {
                t.Fatalf("File contains %d files, want %d", got, nFiles)
        }
        for i := 0; i < nFiles; i++ {
                want := fmt.Sprintf("%d.dat", i)
                if zr.File[i].Name != want {
                        t.Fatalf("File(%d) = %q, want %q", i, zr.File[i].Name, want)
                }
        }
}

func TestModTime(t *testing.T) {
        var testTime = time.Date(2009, time.November, 10, 23, 45, 58, 0, time.UTC)
        fh := new(FileHeader)
        fh.SetModTime(testTime)
        outTime := fh.ModTime()
        if !outTime.Equal(testTime) {
                t.Errorf("times don't match: got %s, want %s", outTime, testTime)
        }
}

func TestFileHeaderRoundTrip(t *testing.T) {
        fh := &FileHeader{
                Name:             "foo.txt",
                UncompressedSize: 987654321,
                ModifiedTime:     1234,
                ModifiedDate:     5678,
        }
        fi := fh.FileInfo()
        fh2, err := FileInfoHeader(fi)

        // Ignore these fields:
        fh2.CreatorVersion = 0
        fh2.ExternalAttrs = 0

        if !reflect.DeepEqual(fh, fh2) {
                t.Errorf("mismatch\n input=%#v\noutput=%#v\nerr=%v", fh, fh2, err)
        }
        if sysfh, ok := fi.Sys().(*FileHeader); !ok && sysfh != fh {
                t.Errorf("Sys didn't return original *FileHeader")
        }
}