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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [encoding/] [hex/] [hex_test.go] - Blame information for rev 814

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Line No. Rev Author Line
1 747 jeremybenn 
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package hex
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import (
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        "bytes"
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        "testing"
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)
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type encDecTest struct {
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        enc string
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        dec []byte
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}
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var encDecTests = []encDecTest{
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        {"", []byte{}},
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        {"0001020304050607", []byte{0, 1, 2, 3, 4, 5, 6, 7}},
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        {"08090a0b0c0d0e0f", []byte{8, 9, 10, 11, 12, 13, 14, 15}},
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        {"f0f1f2f3f4f5f6f7", []byte{0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7}},
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        {"f8f9fafbfcfdfeff", []byte{0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff}},
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        {"67", []byte{'g'}},
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        {"e3a1", []byte{0xe3, 0xa1}},
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}
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func TestEncode(t *testing.T) {
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        for i, test := range encDecTests {
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                dst := make([]byte, EncodedLen(len(test.dec)))
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                n := Encode(dst, test.dec)
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                if n != len(dst) {
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                        t.Errorf("#%d: bad return value: got: %d want: %d", i, n, len(dst))
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                }
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                if string(dst) != test.enc {
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                        t.Errorf("#%d: got: %#v want: %#v", i, dst, test.enc)
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                }
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        }
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}
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func TestDecode(t *testing.T) {
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        for i, test := range encDecTests {
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                dst := make([]byte, DecodedLen(len(test.enc)))
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                n, err := Decode(dst, []byte(test.enc))
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                if err != nil {
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                        t.Errorf("#%d: bad return value: got:%d want:%d", i, n, len(dst))
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                } else if !bytes.Equal(dst, test.dec) {
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                        t.Errorf("#%d: got: %#v want: %#v", i, dst, test.dec)
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                }
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        }
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}
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func TestEncodeToString(t *testing.T) {
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        for i, test := range encDecTests {
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                s := EncodeToString(test.dec)
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                if s != test.enc {
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                        t.Errorf("#%d got:%s want:%s", i, s, test.enc)
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                }
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        }
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}
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func TestDecodeString(t *testing.T) {
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        for i, test := range encDecTests {
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                dst, err := DecodeString(test.enc)
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                if err != nil {
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                        t.Errorf("#%d: unexpected err value: %s", i, err)
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                        continue
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                }
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                if bytes.Compare(dst, test.dec) != 0 {
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                        t.Errorf("#%d: got: %#v want: #%v", i, dst, test.dec)
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                }
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        }
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}
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type errTest struct {
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        in  string
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        err string
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}
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var errTests = []errTest{
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        {"0", "encoding/hex: odd length hex string"},
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        {"0g", "encoding/hex: invalid byte: U+0067 'g'"},
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        {"0\x01", "encoding/hex: invalid byte: U+0001"},
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}
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func TestInvalidErr(t *testing.T) {
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        for i, test := range errTests {
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                dst := make([]byte, DecodedLen(len(test.in)))
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                _, err := Decode(dst, []byte(test.in))
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                if err == nil {
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                        t.Errorf("#%d: expected error; got none")
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                } else if err.Error() != test.err {
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                        t.Errorf("#%d: got: %v want: %v", i, err, test.err)
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                }
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        }
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}
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func TestInvalidStringErr(t *testing.T) {
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        for i, test := range errTests {
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                _, err := DecodeString(test.in)
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                if err == nil {
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                        t.Errorf("#%d: expected error; got none")
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                } else if err.Error() != test.err {
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                        t.Errorf("#%d: got: %v want: %v", i, err, test.err)
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                }
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        }
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}
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func TestDumper(t *testing.T) {
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        var in [40]byte
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        for i := range in {
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                in[i] = byte(i + 30)
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        }
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        for stride := 1; stride < len(in); stride++ {
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                var out bytes.Buffer
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                dumper := Dumper(&out)
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                done := 0
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                for done < len(in) {
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                        todo := done + stride
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                        if todo > len(in) {
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                                todo = len(in)
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                        }
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                        dumper.Write(in[done:todo])
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                        done = todo
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                }
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                dumper.Close()
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                if !bytes.Equal(out.Bytes(), expectedHexDump) {
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                        t.Errorf("stride: %d failed. got:\n%s\nwant:\n%s", stride, out.Bytes(), expectedHexDump)
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                }
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        }
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}
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func TestDump(t *testing.T) {
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        var in [40]byte
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        for i := range in {
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                in[i] = byte(i + 30)
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        }
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        out := []byte(Dump(in[:]))
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        if !bytes.Equal(out, expectedHexDump) {
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                t.Errorf("got:\n%s\nwant:\n%s", out, expectedHexDump)
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        }
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}
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var expectedHexDump = []byte(`00000000  1e 1f 20 21 22 23 24 25  26 27 28 29 2a 2b 2c 2d  |.. !"#$%&'()*+,-|
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00000010  2e 2f 30 31 32 33 34 35  36 37 38 39 3a 3b 3c 3d  |./0123456789:;<=|
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00000020  3e 3f 40 41 42 43 44 45                           |>?@ABCDE|
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`)

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