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path: root/src/pkg/encoding/ascii85/ascii85_test.go
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Diffstat (limited to 'src/pkg/encoding/ascii85/ascii85_test.go')
-rw-r--r--src/pkg/encoding/ascii85/ascii85_test.go210
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)
- }
-}