| 1 |
747 |
jeremybenn |
// Copyright 2009 The Go Authors. All rights reserved.
|
| 2 |
|
|
// Use of this source code is governed by a BSD-style
|
| 3 |
|
|
// license that can be found in the LICENSE file.
|
| 4 |
|
|
|
| 5 |
|
|
package adler32
|
| 6 |
|
|
|
| 7 |
|
|
import (
|
| 8 |
|
|
"bytes"
|
| 9 |
|
|
"io"
|
| 10 |
|
|
"testing"
|
| 11 |
|
|
)
|
| 12 |
|
|
|
| 13 |
|
|
type _Adler32Test struct {
|
| 14 |
|
|
out uint32
|
| 15 |
|
|
in string
|
| 16 |
|
|
}
|
| 17 |
|
|
|
| 18 |
|
|
var golden = []_Adler32Test{
|
| 19 |
|
|
{0x1, ""},
|
| 20 |
|
|
{0x620062, "a"},
|
| 21 |
|
|
{0x12600c4, "ab"},
|
| 22 |
|
|
{0x24d0127, "abc"},
|
| 23 |
|
|
{0x3d8018b, "abcd"},
|
| 24 |
|
|
{0x5c801f0, "abcde"},
|
| 25 |
|
|
{0x81e0256, "abcdef"},
|
| 26 |
|
|
{0xadb02bd, "abcdefg"},
|
| 27 |
|
|
{0xe000325, "abcdefgh"},
|
| 28 |
|
|
{0x118e038e, "abcdefghi"},
|
| 29 |
|
|
{0x158603f8, "abcdefghij"},
|
| 30 |
|
|
{0x3f090f02, "Discard medicine more than two years old."},
|
| 31 |
|
|
{0x46d81477, "He who has a shady past knows that nice guys finish last."},
|
| 32 |
|
|
{0x40ee0ee1, "I wouldn't marry him with a ten foot pole."},
|
| 33 |
|
|
{0x16661315, "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"},
|
| 34 |
|
|
{0x5b2e1480, "The days of the digital watch are numbered. -Tom Stoppard"},
|
| 35 |
|
|
{0x8c3c09ea, "Nepal premier won't resign."},
|
| 36 |
|
|
{0x45ac18fd, "For every action there is an equal and opposite government program."},
|
| 37 |
|
|
{0x53c61462, "His money is twice tainted: 'taint yours and 'taint mine."},
|
| 38 |
|
|
{0x7e511e63, "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"},
|
| 39 |
|
|
{0xe4801a6a, "It's a tiny change to the code and not completely disgusting. - Bob Manchek"},
|
| 40 |
|
|
{0x61b507df, "size: a.out: bad magic"},
|
| 41 |
|
|
{0xb8631171, "The major problem is with sendmail. -Mark Horton"},
|
| 42 |
|
|
{0x8b5e1904, "Give me a rock, paper and scissors and I will move the world. CCFestoon"},
|
| 43 |
|
|
{0x7cc6102b, "If the enemy is within range, then so are you."},
|
| 44 |
|
|
{0x700318e7, "It's well we cannot hear the screams/That we create in others' dreams."},
|
| 45 |
|
|
{0x1e601747, "You remind me of a TV show, but that's all right: I watch it anyway."},
|
| 46 |
|
|
{0xb55b0b09, "C is as portable as Stonehedge!!"},
|
| 47 |
|
|
{0x39111dd0, "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"},
|
| 48 |
|
|
{0x91dd304f, "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule"},
|
| 49 |
|
|
{0x2e5d1316, "How can you write a big system without C++? -Paul Glick"},
|
| 50 |
|
|
{0xd0201df6, "'Invariant assertions' is the most elegant programming technique! -Tom Szymanski"},
|
| 51 |
|
|
}
|
| 52 |
|
|
|
| 53 |
|
|
func TestGolden(t *testing.T) {
|
| 54 |
|
|
for i := 0; i < len(golden); i++ {
|
| 55 |
|
|
g := golden[i]
|
| 56 |
|
|
c := New()
|
| 57 |
|
|
io.WriteString(c, g.in)
|
| 58 |
|
|
s := c.Sum32()
|
| 59 |
|
|
if s != g.out {
|
| 60 |
|
|
t.Errorf("adler32(%s) = 0x%x want 0x%x", g.in, s, g.out)
|
| 61 |
|
|
t.FailNow()
|
| 62 |
|
|
}
|
| 63 |
|
|
}
|
| 64 |
|
|
}
|
| 65 |
|
|
|
| 66 |
|
|
func BenchmarkGolden(b *testing.B) {
|
| 67 |
|
|
b.StopTimer()
|
| 68 |
|
|
c := New()
|
| 69 |
|
|
var buf bytes.Buffer
|
| 70 |
|
|
for _, g := range golden {
|
| 71 |
|
|
buf.Write([]byte(g.in))
|
| 72 |
|
|
}
|
| 73 |
|
|
b.StartTimer()
|
| 74 |
|
|
for i := 0; i < b.N; i++ {
|
| 75 |
|
|
c.Write(buf.Bytes())
|
| 76 |
|
|
}
|
| 77 |
|
|
}
|
