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Diffstat (limited to 'gcc-4.9/libgo/go/archive/tar/tar_test.go')
-rw-r--r--gcc-4.9/libgo/go/archive/tar/tar_test.go280
1 files changed, 280 insertions, 0 deletions
diff --git a/gcc-4.9/libgo/go/archive/tar/tar_test.go b/gcc-4.9/libgo/go/archive/tar/tar_test.go
new file mode 100644
index 000000000..616a9cc57
--- /dev/null
+++ b/gcc-4.9/libgo/go/archive/tar/tar_test.go
@@ -0,0 +1,280 @@
+// Copyright 2012 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 tar
+
+import (
+ "bytes"
+ "io/ioutil"
+ "os"
+ "path"
+ "reflect"
+ "strings"
+ "testing"
+ "time"
+)
+
+func TestFileInfoHeader(t *testing.T) {
+ fi, err := os.Stat("testdata/small.txt")
+ if err != nil {
+ t.Fatal(err)
+ }
+ h, err := FileInfoHeader(fi, "")
+ if err != nil {
+ t.Fatalf("FileInfoHeader: %v", err)
+ }
+ if g, e := h.Name, "small.txt"; g != e {
+ t.Errorf("Name = %q; want %q", g, e)
+ }
+ if g, e := h.Mode, int64(fi.Mode().Perm())|c_ISREG; g != e {
+ t.Errorf("Mode = %#o; want %#o", g, e)
+ }
+ if g, e := h.Size, int64(5); g != e {
+ t.Errorf("Size = %v; want %v", g, e)
+ }
+ if g, e := h.ModTime, fi.ModTime(); !g.Equal(e) {
+ t.Errorf("ModTime = %v; want %v", g, e)
+ }
+}
+
+func TestFileInfoHeaderDir(t *testing.T) {
+ fi, err := os.Stat("testdata")
+ if err != nil {
+ t.Fatal(err)
+ }
+ h, err := FileInfoHeader(fi, "")
+ if err != nil {
+ t.Fatalf("FileInfoHeader: %v", err)
+ }
+ if g, e := h.Name, "testdata/"; g != e {
+ t.Errorf("Name = %q; want %q", g, e)
+ }
+ // Ignoring c_ISGID for golang.org/issue/4867
+ if g, e := h.Mode&^c_ISGID, int64(fi.Mode().Perm())|c_ISDIR; g != e {
+ t.Errorf("Mode = %#o; want %#o", g, e)
+ }
+ if g, e := h.Size, int64(0); g != e {
+ t.Errorf("Size = %v; want %v", g, e)
+ }
+ if g, e := h.ModTime, fi.ModTime(); !g.Equal(e) {
+ t.Errorf("ModTime = %v; want %v", g, e)
+ }
+}
+
+func TestFileInfoHeaderSymlink(t *testing.T) {
+ h, err := FileInfoHeader(symlink{}, "some-target")
+ if err != nil {
+ t.Fatal(err)
+ }
+ if g, e := h.Name, "some-symlink"; g != e {
+ t.Errorf("Name = %q; want %q", g, e)
+ }
+ if g, e := h.Linkname, "some-target"; g != e {
+ t.Errorf("Linkname = %q; want %q", g, e)
+ }
+}
+
+type symlink struct{}
+
+func (symlink) Name() string { return "some-symlink" }
+func (symlink) Size() int64 { return 0 }
+func (symlink) Mode() os.FileMode { return os.ModeSymlink }
+func (symlink) ModTime() time.Time { return time.Time{} }
+func (symlink) IsDir() bool { return false }
+func (symlink) Sys() interface{} { return nil }
+
+func TestRoundTrip(t *testing.T) {
+ data := []byte("some file contents")
+
+ var b bytes.Buffer
+ tw := NewWriter(&b)
+ hdr := &Header{
+ Name: "file.txt",
+ Uid: 1 << 21, // too big for 8 octal digits
+ Size: int64(len(data)),
+ ModTime: time.Now(),
+ }
+ // tar only supports second precision.
+ hdr.ModTime = hdr.ModTime.Add(-time.Duration(hdr.ModTime.Nanosecond()) * time.Nanosecond)
+ if err := tw.WriteHeader(hdr); err != nil {
+ t.Fatalf("tw.WriteHeader: %v", err)
+ }
+ if _, err := tw.Write(data); err != nil {
+ t.Fatalf("tw.Write: %v", err)
+ }
+ if err := tw.Close(); err != nil {
+ t.Fatalf("tw.Close: %v", err)
+ }
+
+ // Read it back.
+ tr := NewReader(&b)
+ rHdr, err := tr.Next()
+ if err != nil {
+ t.Fatalf("tr.Next: %v", err)
+ }
+ if !reflect.DeepEqual(rHdr, hdr) {
+ t.Errorf("Header mismatch.\n got %+v\nwant %+v", rHdr, hdr)
+ }
+ rData, err := ioutil.ReadAll(tr)
+ if err != nil {
+ t.Fatalf("Read: %v", err)
+ }
+ if !bytes.Equal(rData, data) {
+ t.Errorf("Data mismatch.\n got %q\nwant %q", rData, data)
+ }
+}
+
+type headerRoundTripTest struct {
+ h *Header
+ fm os.FileMode
+}
+
+func TestHeaderRoundTrip(t *testing.T) {
+ golden := []headerRoundTripTest{
+ // regular file.
+ {
+ h: &Header{
+ Name: "test.txt",
+ Mode: 0644 | c_ISREG,
+ Size: 12,
+ ModTime: time.Unix(1360600916, 0),
+ Typeflag: TypeReg,
+ },
+ fm: 0644,
+ },
+ // hard link.
+ {
+ h: &Header{
+ Name: "hard.txt",
+ Mode: 0644 | c_ISLNK,
+ Size: 0,
+ ModTime: time.Unix(1360600916, 0),
+ Typeflag: TypeLink,
+ },
+ fm: 0644 | os.ModeSymlink,
+ },
+ // symbolic link.
+ {
+ h: &Header{
+ Name: "link.txt",
+ Mode: 0777 | c_ISLNK,
+ Size: 0,
+ ModTime: time.Unix(1360600852, 0),
+ Typeflag: TypeSymlink,
+ },
+ fm: 0777 | os.ModeSymlink,
+ },
+ // character device node.
+ {
+ h: &Header{
+ Name: "dev/null",
+ Mode: 0666 | c_ISCHR,
+ Size: 0,
+ ModTime: time.Unix(1360578951, 0),
+ Typeflag: TypeChar,
+ },
+ fm: 0666 | os.ModeDevice | os.ModeCharDevice,
+ },
+ // block device node.
+ {
+ h: &Header{
+ Name: "dev/sda",
+ Mode: 0660 | c_ISBLK,
+ Size: 0,
+ ModTime: time.Unix(1360578954, 0),
+ Typeflag: TypeBlock,
+ },
+ fm: 0660 | os.ModeDevice,
+ },
+ // directory.
+ {
+ h: &Header{
+ Name: "dir/",
+ Mode: 0755 | c_ISDIR,
+ Size: 0,
+ ModTime: time.Unix(1360601116, 0),
+ Typeflag: TypeDir,
+ },
+ fm: 0755 | os.ModeDir,
+ },
+ // fifo node.
+ {
+ h: &Header{
+ Name: "dev/initctl",
+ Mode: 0600 | c_ISFIFO,
+ Size: 0,
+ ModTime: time.Unix(1360578949, 0),
+ Typeflag: TypeFifo,
+ },
+ fm: 0600 | os.ModeNamedPipe,
+ },
+ // setuid.
+ {
+ h: &Header{
+ Name: "bin/su",
+ Mode: 0755 | c_ISREG | c_ISUID,
+ Size: 23232,
+ ModTime: time.Unix(1355405093, 0),
+ Typeflag: TypeReg,
+ },
+ fm: 0755 | os.ModeSetuid,
+ },
+ // setguid.
+ {
+ h: &Header{
+ Name: "group.txt",
+ Mode: 0750 | c_ISREG | c_ISGID,
+ Size: 0,
+ ModTime: time.Unix(1360602346, 0),
+ Typeflag: TypeReg,
+ },
+ fm: 0750 | os.ModeSetgid,
+ },
+ // sticky.
+ {
+ h: &Header{
+ Name: "sticky.txt",
+ Mode: 0600 | c_ISREG | c_ISVTX,
+ Size: 7,
+ ModTime: time.Unix(1360602540, 0),
+ Typeflag: TypeReg,
+ },
+ fm: 0600 | os.ModeSticky,
+ },
+ }
+
+ for i, g := range golden {
+ fi := g.h.FileInfo()
+ h2, err := FileInfoHeader(fi, "")
+ if err != nil {
+ t.Error(err)
+ continue
+ }
+ if strings.Contains(fi.Name(), "/") {
+ t.Errorf("FileInfo of %q contains slash: %q", g.h.Name, fi.Name())
+ }
+ name := path.Base(g.h.Name)
+ if fi.IsDir() {
+ name += "/"
+ }
+ if got, want := h2.Name, name; got != want {
+ t.Errorf("i=%d: Name: got %v, want %v", i, got, want)
+ }
+ if got, want := h2.Size, g.h.Size; got != want {
+ t.Errorf("i=%d: Size: got %v, want %v", i, got, want)
+ }
+ if got, want := h2.Mode, g.h.Mode; got != want {
+ t.Errorf("i=%d: Mode: got %o, want %o", i, got, want)
+ }
+ if got, want := fi.Mode(), g.fm; got != want {
+ t.Errorf("i=%d: fi.Mode: got %o, want %o", i, got, want)
+ }
+ if got, want := h2.ModTime, g.h.ModTime; got != want {
+ t.Errorf("i=%d: ModTime: got %v, want %v", i, got, want)
+ }
+ if sysh, ok := fi.Sys().(*Header); !ok || sysh != g.h {
+ t.Errorf("i=%d: Sys didn't return original *Header", i)
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-21 17:25:25 +0000