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// Copyright 2015 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 charmap
import (
"testing"
"golang.org/x/text/encoding"
"golang.org/x/text/encoding/internal"
"golang.org/x/text/encoding/internal/enctest"
"golang.org/x/text/transform"
)
func dec(e encoding.Encoding) (dir string, t transform.Transformer, err error) {
return "Decode", e.NewDecoder(), nil
}
func encASCIISuperset(e encoding.Encoding) (dir string, t transform.Transformer, err error) {
return "Encode", e.NewEncoder(), internal.ErrASCIIReplacement
}
func encEBCDIC(e encoding.Encoding) (dir string, t transform.Transformer, err error) {
return "Encode", e.NewEncoder(), internal.RepertoireError(0x3f)
}
func TestNonRepertoire(t *testing.T) {
testCases := []struct {
init func(e encoding.Encoding) (string, transform.Transformer, error)
e encoding.Encoding
src, want string
}{
{dec, Windows1252, "\x81", "\ufffd"},
{encEBCDIC, CodePage037, "갂", ""},
{encEBCDIC, CodePage1047, "갂", ""},
{encEBCDIC, CodePage1047, "a¤갂", "\x81\x9F"},
{encEBCDIC, CodePage1140, "갂", ""},
{encEBCDIC, CodePage1140, "a€갂", "\x81\x9F"},
{encASCIISuperset, Windows1252, "갂", ""},
{encASCIISuperset, Windows1252, "a갂", "a"},
{encASCIISuperset, Windows1252, "\u00E9갂", "\xE9"},
}
for _, tc := range testCases {
dir, tr, wantErr := tc.init(tc.e)
dst, _, err := transform.String(tr, tc.src)
if err != wantErr {
t.Errorf("%s %v(%q): got %v; want %v", dir, tc.e, tc.src, err, wantErr)
}
if got := string(dst); got != tc.want {
t.Errorf("%s %v(%q):\ngot %q\nwant %q", dir, tc.e, tc.src, got, tc.want)
}
}
}
func TestBasics(t *testing.T) {
testCases := []struct {
e encoding.Encoding
encoded string
utf8 string
}{{
e: CodePage037,
encoded: "\xc8\x51\xba\x93\xcf",
utf8: "Hé[lõ",
}, {
e: CodePage437,
encoded: "H\x82ll\x93 \x9d\xa7\xf4\x9c\xbe",
utf8: "Héllô ¥º⌠£╛",
}, {
e: CodePage866,
encoded: "H\xf3\xd3o \x98\xfd\x9f\xdd\xa1",
utf8: "Hє╙o Ш¤Я▌б",
}, {
e: CodePage1047,
encoded: "\xc8\x54\x93\x93\x9f",
utf8: "Hèll¤",
}, {
e: CodePage1140,
encoded: "\xc8\x9f\x93\x93\xcf",
utf8: "H€llõ",
}, {
e: ISO8859_2,
encoded: "Hel\xe5\xf5",
utf8: "Helĺő",
}, {
e: ISO8859_3,
encoded: "He\xbd\xd4",
utf8: "He½Ô",
}, {
e: ISO8859_4,
encoded: "Hel\xb6\xf8",
utf8: "Helļø",
}, {
e: ISO8859_5,
encoded: "H\xd7\xc6o",
utf8: "HзЦo",
}, {
e: ISO8859_6,
encoded: "Hel\xc2\xc9",
utf8: "Helآة",
}, {
e: ISO8859_7,
encoded: "H\xeel\xebo",
utf8: "Hξlλo",
}, {
e: ISO8859_8,
encoded: "Hel\xf5\xed",
utf8: "Helץם",
}, {
e: ISO8859_9,
encoded: "\xdeayet",
utf8: "Şayet",
}, {
e: ISO8859_10,
encoded: "H\xea\xbfo",
utf8: "Hęŋo",
}, {
e: ISO8859_13,
encoded: "H\xe6l\xf9o",
utf8: "Hęlło",
}, {
e: ISO8859_14,
encoded: "He\xfe\xd0o",
utf8: "HeŷŴo",
}, {
e: ISO8859_15,
encoded: "H\xa4ll\xd8",
utf8: "H€llØ",
}, {
e: ISO8859_16,
encoded: "H\xe6ll\xbd",
utf8: "Hællœ",
}, {
e: KOI8R,
encoded: "He\x93\xad\x9c",
utf8: "He⌠╜°",
}, {
e: KOI8U,
encoded: "He\x93\xad\x9c",
utf8: "He⌠ґ°",
}, {
e: Macintosh,
encoded: "He\xdf\xd7",
utf8: "Hefl◊",
}, {
e: MacintoshCyrillic,
encoded: "He\xbe\x94",
utf8: "HeЊФ",
}, {
e: Windows874,
encoded: "He\xb7\xf0",
utf8: "Heท๐",
}, {
e: Windows1250,
encoded: "He\xe5\xe5o",
utf8: "Heĺĺo",
}, {
e: Windows1251,
encoded: "H\xball\xfe",
utf8: "Hєllю",
}, {
e: Windows1252,
encoded: "H\xe9ll\xf4 \xa5\xbA\xae\xa3\xd0",
utf8: "Héllô ¥º®£Ð",
}, {
e: Windows1253,
encoded: "H\xe5ll\xd6",
utf8: "HεllΦ",
}, {
e: Windows1254,
encoded: "\xd0ello",
utf8: "Ğello",
}, {
e: Windows1255,
encoded: "He\xd4o",
utf8: "Heװo",
}, {
e: Windows1256,
encoded: "H\xdbllo",
utf8: "Hغllo",
}, {
e: Windows1257,
encoded: "He\xeflo",
utf8: "Heļlo",
}, {
e: Windows1258,
encoded: "Hell\xf5",
utf8: "Hellơ",
}, {
e: XUserDefined,
encoded: "\x00\x40\x7f\x80\xab\xff",
utf8: "\u0000\u0040\u007f\uf780\uf7ab\uf7ff",
}}
for _, tc := range testCases {
enctest.TestEncoding(t, tc.e, tc.encoded, tc.utf8, "", "")
}
}
var windows1255TestCases = []struct {
b byte
ok bool
r rune
}{
{'\x00', true, '\u0000'},
{'\x1a', true, '\u001a'},
{'\x61', true, '\u0061'},
{'\x7f', true, '\u007f'},
{'\x80', true, '\u20ac'},
{'\x95', true, '\u2022'},
{'\xa0', true, '\u00a0'},
{'\xc0', true, '\u05b0'},
{'\xfc', true, '\ufffd'},
{'\xfd', true, '\u200e'},
{'\xfe', true, '\u200f'},
{'\xff', true, '\ufffd'},
{encoding.ASCIISub, false, '\u0400'},
{encoding.ASCIISub, false, '\u2603'},
{encoding.ASCIISub, false, '\U0001f4a9'},
}
func TestDecodeByte(t *testing.T) {
for _, tc := range windows1255TestCases {
if !tc.ok {
continue
}
got := Windows1255.DecodeByte(tc.b)
want := tc.r
if got != want {
t.Errorf("DecodeByte(%#02x): got %#08x, want %#08x", tc.b, got, want)
}
}
}
func TestEncodeRune(t *testing.T) {
for _, tc := range windows1255TestCases {
// There can be multiple tc.b values that map to tc.r = '\ufffd'.
if tc.r == '\ufffd' {
continue
}
gotB, gotOK := Windows1255.EncodeRune(tc.r)
wantB, wantOK := tc.b, tc.ok
if gotB != wantB || gotOK != wantOK {
t.Errorf("EncodeRune(%#08x): got (%#02x, %t), want (%#02x, %t)", tc.r, gotB, gotOK, wantB, wantOK)
}
}
}
func TestFiles(t *testing.T) { enctest.TestFile(t, Windows1252) }
func BenchmarkEncoding(b *testing.B) { enctest.Benchmark(b, Windows1252) }