diff options
Diffstat (limited to 'src/pkg/encoding/ascii85/ascii85_test.go')
-rw-r--r-- | src/pkg/encoding/ascii85/ascii85_test.go | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/src/pkg/encoding/ascii85/ascii85_test.go b/src/pkg/encoding/ascii85/ascii85_test.go deleted file mode 100644 index aad199b4f..000000000 --- a/src/pkg/encoding/ascii85/ascii85_test.go +++ /dev/null @@ -1,210 +0,0 @@ -// Copyright 2009 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 ascii85 - -import ( - "bytes" - "io" - "io/ioutil" - "strings" - "testing" -) - -type testpair struct { - decoded, encoded string -} - -var pairs = []testpair{ - // Encode returns 0 when len(src) is 0 - { - "", - "", - }, - // Wikipedia example - { - "Man is distinguished, not only by his reason, but by this singular passion from " + - "other animals, which is a lust of the mind, that by a perseverance of delight in " + - "the continued and indefatigable generation of knowledge, exceeds the short " + - "vehemence of any carnal pleasure.", - "9jqo^BlbD-BleB1DJ+*+F(f,q/0JhKF<GL>Cj@.4Gp$d7F!,L7@<6@)/0JDEF<G%<+EV:2F!,\n" + - "O<DJ+*.@<*K0@<6L(Df-\\0Ec5e;DffZ(EZee.Bl.9pF\"AGXBPCsi+DGm>@3BB/F*&OCAfu2/AKY\n" + - "i(DIb:@FD,*)+C]U=@3BN#EcYf8ATD3s@q?d$AftVqCh[NqF<G:8+EV:.+Cf>-FD5W8ARlolDIa\n" + - "l(DId<j@<?3r@:F%a+D58'ATD4$Bl@l3De:,-DJs`8ARoFb/0JMK@qB4^F!,R<AKZ&-DfTqBG%G\n" + - ">uD.RTpAKYo'+CT/5+Cei#DII?(E,9)oF*2M7/c\n", - }, - // Special case when shortening !!!!! to z. - { - "\000\000\000\000", - "z", - }, -} - -var bigtest = pairs[len(pairs)-1] - -func testEqual(t *testing.T, msg string, args ...interface{}) bool { - if args[len(args)-2] != args[len(args)-1] { - t.Errorf(msg, args...) - return false - } - return true -} - -func strip85(s string) string { - t := make([]byte, len(s)) - w := 0 - for r := 0; r < len(s); r++ { - c := s[r] - if c > ' ' { - t[w] = c - w++ - } - } - return string(t[0:w]) -} - -func TestEncode(t *testing.T) { - for _, p := range pairs { - buf := make([]byte, MaxEncodedLen(len(p.decoded))) - n := Encode(buf, []byte(p.decoded)) - buf = buf[0:n] - testEqual(t, "Encode(%q) = %q, want %q", p.decoded, strip85(string(buf)), strip85(p.encoded)) - } -} - -func TestEncoder(t *testing.T) { - for _, p := range pairs { - bb := &bytes.Buffer{} - encoder := NewEncoder(bb) - encoder.Write([]byte(p.decoded)) - encoder.Close() - testEqual(t, "Encode(%q) = %q, want %q", p.decoded, strip85(bb.String()), strip85(p.encoded)) - } -} - -func TestEncoderBuffering(t *testing.T) { - input := []byte(bigtest.decoded) - for bs := 1; bs <= 12; bs++ { - bb := &bytes.Buffer{} - encoder := NewEncoder(bb) - for pos := 0; pos < len(input); pos += bs { - end := pos + bs - if end > len(input) { - end = len(input) - } - n, err := encoder.Write(input[pos:end]) - testEqual(t, "Write(%q) gave error %v, want %v", input[pos:end], err, error(nil)) - testEqual(t, "Write(%q) gave length %v, want %v", input[pos:end], n, end-pos) - } - err := encoder.Close() - testEqual(t, "Close gave error %v, want %v", err, error(nil)) - testEqual(t, "Encoding/%d of %q = %q, want %q", bs, bigtest.decoded, strip85(bb.String()), strip85(bigtest.encoded)) - } -} - -func TestDecode(t *testing.T) { - for _, p := range pairs { - dbuf := make([]byte, 4*len(p.encoded)) - ndst, nsrc, err := Decode(dbuf, []byte(p.encoded), true) - testEqual(t, "Decode(%q) = error %v, want %v", p.encoded, err, error(nil)) - testEqual(t, "Decode(%q) = nsrc %v, want %v", p.encoded, nsrc, len(p.encoded)) - testEqual(t, "Decode(%q) = ndst %v, want %v", p.encoded, ndst, len(p.decoded)) - testEqual(t, "Decode(%q) = %q, want %q", p.encoded, string(dbuf[0:ndst]), p.decoded) - } -} - -func TestDecoder(t *testing.T) { - for _, p := range pairs { - decoder := NewDecoder(strings.NewReader(p.encoded)) - dbuf, err := ioutil.ReadAll(decoder) - if err != nil { - t.Fatal("Read failed", err) - } - testEqual(t, "Read from %q = length %v, want %v", p.encoded, len(dbuf), len(p.decoded)) - testEqual(t, "Decoding of %q = %q, want %q", p.encoded, string(dbuf), p.decoded) - if err != nil { - testEqual(t, "Read from %q = %v, want %v", p.encoded, err, io.EOF) - } - } -} - -func TestDecoderBuffering(t *testing.T) { - for bs := 1; bs <= 12; bs++ { - decoder := NewDecoder(strings.NewReader(bigtest.encoded)) - buf := make([]byte, len(bigtest.decoded)+12) - var total int - for total = 0; total < len(bigtest.decoded); { - n, err := decoder.Read(buf[total : total+bs]) - testEqual(t, "Read from %q at pos %d = %d, %v, want _, %v", bigtest.encoded, total, n, err, error(nil)) - total += n - } - testEqual(t, "Decoding/%d of %q = %q, want %q", bs, bigtest.encoded, string(buf[0:total]), bigtest.decoded) - } -} - -func TestDecodeCorrupt(t *testing.T) { - type corrupt struct { - e string - p int - } - examples := []corrupt{ - {"v", 0}, - {"!z!!!!!!!!!", 1}, - } - - for _, e := range examples { - dbuf := make([]byte, 4*len(e.e)) - _, _, err := Decode(dbuf, []byte(e.e), true) - switch err := err.(type) { - case CorruptInputError: - testEqual(t, "Corruption in %q at offset %v, want %v", e.e, int(err), e.p) - default: - t.Error("Decoder failed to detect corruption in", e) - } - } -} - -func TestBig(t *testing.T) { - n := 3*1000 + 1 - raw := make([]byte, n) - const alpha = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" - for i := 0; i < n; i++ { - raw[i] = alpha[i%len(alpha)] - } - encoded := new(bytes.Buffer) - w := NewEncoder(encoded) - nn, err := w.Write(raw) - if nn != n || err != nil { - t.Fatalf("Encoder.Write(raw) = %d, %v want %d, nil", nn, err, n) - } - err = w.Close() - if err != nil { - t.Fatalf("Encoder.Close() = %v want nil", err) - } - decoded, err := ioutil.ReadAll(NewDecoder(encoded)) - if err != nil { - t.Fatalf("io.ReadAll(NewDecoder(...)): %v", err) - } - - if !bytes.Equal(raw, decoded) { - var i int - for i = 0; i < len(decoded) && i < len(raw); i++ { - if decoded[i] != raw[i] { - break - } - } - t.Errorf("Decode(Encode(%d-byte string)) failed at offset %d", n, i) - } -} - -func TestDecoderInternalWhitespace(t *testing.T) { - s := strings.Repeat(" ", 2048) + "z" - decoded, err := ioutil.ReadAll(NewDecoder(strings.NewReader(s))) - if err != nil { - t.Errorf("Decode gave error %v", err) - } - if want := []byte("\000\000\000\000"); !bytes.Equal(want, decoded) { - t.Errorf("Decode failed: got %v, want %v", decoded, want) - } -} |