diff options
Diffstat (limited to 'src/pkg/encoding/hex/hex_test.go')
| -rw-r--r-- | src/pkg/encoding/hex/hex_test.go | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/pkg/encoding/hex/hex_test.go b/src/pkg/encoding/hex/hex_test.go new file mode 100644 index 0000000000..8d976f6836 --- /dev/null +++ b/src/pkg/encoding/hex/hex_test.go @@ -0,0 +1,147 @@ +// 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 hex + +import ( + "bytes"; + "testing"; +) + +type encodeTest struct { + in, out []byte; +} + +var encodeTests = []encodeTest{ + encodeTest{[]byte{}, []byte{}}, + encodeTest{[]byte{0x01}, []byte{'0', '1'}}, + encodeTest{[]byte{0xff}, []byte{'f', 'f'}}, + encodeTest{[]byte{0xff, 00}, []byte{'f', 'f', '0', '0'}}, + encodeTest{[]byte{0}, []byte{'0', '0'}}, + encodeTest{[]byte{1}, []byte{'0', '1'}}, + encodeTest{[]byte{2}, []byte{'0', '2'}}, + encodeTest{[]byte{3}, []byte{'0', '3'}}, + encodeTest{[]byte{4}, []byte{'0', '4'}}, + encodeTest{[]byte{5}, []byte{'0', '5'}}, + encodeTest{[]byte{6}, []byte{'0', '6'}}, + encodeTest{[]byte{7}, []byte{'0', '7'}}, + encodeTest{[]byte{8}, []byte{'0', '8'}}, + encodeTest{[]byte{9}, []byte{'0', '9'}}, + encodeTest{[]byte{10}, []byte{'0', 'a'}}, + encodeTest{[]byte{11}, []byte{'0', 'b'}}, + encodeTest{[]byte{12}, []byte{'0', 'c'}}, + encodeTest{[]byte{13}, []byte{'0', 'd'}}, + encodeTest{[]byte{14}, []byte{'0', 'e'}}, + encodeTest{[]byte{15}, []byte{'0', 'f'}}, +} + +func TestEncode(t *testing.T) { + for i, test := range encodeTests { + dst := make([]byte, EncodedLen(len(test.in))); + n := Encode(test.in, dst); + if n != len(dst) { + t.Errorf("#%d: bad return value: got: %d want: %d", i, n, len(dst)); + } + if bytes.Compare(dst, test.out) != 0 { + t.Errorf("#%d: got: %#v want: %#v", i, dst, test.out); + } + } +} + +type decodeTest struct { + in, out []byte; + ok bool; +} + +var decodeTests = []decodeTest{ + decodeTest{[]byte{}, []byte{}, true}, + decodeTest{[]byte{'0'}, []byte{}, false}, + decodeTest{[]byte{'0', 'g'}, []byte{}, false}, + decodeTest{[]byte{'0', '0'}, []byte{0}, true}, + decodeTest{[]byte{'0', '1'}, []byte{1}, true}, + decodeTest{[]byte{'0', '2'}, []byte{2}, true}, + decodeTest{[]byte{'0', '3'}, []byte{3}, true}, + decodeTest{[]byte{'0', '4'}, []byte{4}, true}, + decodeTest{[]byte{'0', '5'}, []byte{5}, true}, + decodeTest{[]byte{'0', '6'}, []byte{6}, true}, + decodeTest{[]byte{'0', '7'}, []byte{7}, true}, + decodeTest{[]byte{'0', '8'}, []byte{8}, true}, + decodeTest{[]byte{'0', '9'}, []byte{9}, true}, + decodeTest{[]byte{'0', 'a'}, []byte{10}, true}, + decodeTest{[]byte{'0', 'b'}, []byte{11}, true}, + decodeTest{[]byte{'0', 'c'}, []byte{12}, true}, + decodeTest{[]byte{'0', 'd'}, []byte{13}, true}, + decodeTest{[]byte{'0', 'e'}, []byte{14}, true}, + decodeTest{[]byte{'0', 'f'}, []byte{15}, true}, + decodeTest{[]byte{'0', 'A'}, []byte{10}, true}, + decodeTest{[]byte{'0', 'B'}, []byte{11}, true}, + decodeTest{[]byte{'0', 'C'}, []byte{12}, true}, + decodeTest{[]byte{'0', 'D'}, []byte{13}, true}, + decodeTest{[]byte{'0', 'E'}, []byte{14}, true}, + decodeTest{[]byte{'0', 'F'}, []byte{15}, true}, +} + +func TestDecode(t *testing.T) { + for i, test := range decodeTests { + dst := make([]byte, DecodedLen(len(test.in))); + n, err := Decode(test.in, dst); + if err == nil && n != len(dst) { + t.Errorf("#%d: bad return value: got:%d want:%d", i, n, len(dst)); + } + if test.ok != (err == nil) { + t.Errorf("#%d: unexpected err value: %s", i, err); + } + if err == nil && bytes.Compare(dst, test.out) != 0 { + t.Errorf("#%d: got: %#v want: %#v", i, dst, test.out); + } + } +} + +type encodeStringTest struct { + in []byte; + out string; +} + +var encodeStringTests = []encodeStringTest{ + encodeStringTest{[]byte{}, ""}, + encodeStringTest{[]byte{0}, "00"}, + encodeStringTest{[]byte{0, 1}, "0001"}, + encodeStringTest{[]byte{0, 1, 255}, "0001ff"}, +} + +func TestEncodeToString(t *testing.T) { + for i, test := range encodeStringTests { + s := EncodeToString(test.in); + if s != test.out { + t.Errorf("#%d got:%s want:%s", i, s, test.out); + } + } +} + +type decodeStringTest struct { + in string; + out []byte; + ok bool; +} + +var decodeStringTests = []decodeStringTest{ + decodeStringTest{"", []byte{}, true}, + decodeStringTest{"0", []byte{}, false}, + decodeStringTest{"00", []byte{0}, true}, + decodeStringTest{"0g", []byte{}, false}, + decodeStringTest{"00ff00", []byte{0, 255, 0}, true}, + decodeStringTest{"0000ff", []byte{0, 0, 255}, true}, +} + +func TestDecodeString(t *testing.T) { + for i, test := range decodeStringTests { + dst, err := DecodeString(test.in); + if test.ok != (err == nil) { + t.Errorf("#%d: unexpected err value: %s", i, err); + } + if err == nil && bytes.Compare(dst, test.out) != 0 { + t.Errorf("#%d: got: %#v want: #%v", i, dst, test.out); + } + } +} |
