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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 korean
import (
"strings"
"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 enc(e encoding.Encoding) (dir string, t transform.Transformer, err error) {
return "Encode", e.NewEncoder(), internal.ErrASCIIReplacement
}
func TestNonRepertoire(t *testing.T) {
// Pick n large enough to cause an overflow in the destination buffer of
// transform.String.
const n = 10000
testCases := []struct {
init func(e encoding.Encoding) (string, transform.Transformer, error)
e encoding.Encoding
src, want string
}{
{dec, EUCKR, "\xfe\xfe", "\ufffd"},
// {dec, EUCKR, "א", "\ufffd"}, // TODO: why is this different?
{enc, EUCKR, "א", ""},
{enc, EUCKR, "aא", "a"},
{enc, EUCKR, "\uac00א", "\xb0\xa1"},
// TODO: should we also handle Jamo?
{dec, EUCKR, "\x80", "\ufffd"},
{dec, EUCKR, "\xff", "\ufffd"},
{dec, EUCKR, "\x81", "\ufffd"},
{dec, EUCKR, "\xb0\x40", "\ufffd@"},
{dec, EUCKR, "\xb0\xff", "\ufffd"},
{dec, EUCKR, "\xd0\x20", "\ufffd "},
{dec, EUCKR, "\xd0\xff", "\ufffd"},
{dec, EUCKR, strings.Repeat("\x81", n), strings.Repeat("걖", n/2)},
}
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) {
// The encoded forms can be verified by the iconv program:
// $ echo 月日は百代 | iconv -f UTF-8 -t SHIFT-JIS | xxd
testCases := []struct {
e encoding.Encoding
encoded string
utf8 string
}{{
// Korean tests.
//
// "A\uac02\uac35\uac56\ud401B\ud408\ud620\ud624C\u4f3d\u8a70D" is a
// nonsense string that contains ASCII, Hangul and CJK ideographs.
//
// "세계야, 안녕" translates as "Hello, world".
e: EUCKR,
encoded: "A\x81\x41\x81\x61\x81\x81\xc6\xfeB\xc7\xa1\xc7\xfe\xc8\xa1C\xca\xa1\xfd\xfeD",
utf8: "A\uac02\uac35\uac56\ud401B\ud408\ud620\ud624C\u4f3d\u8a70D",
}, {
e: EUCKR,
encoded: "\xbc\xbc\xb0\xe8\xbe\xdf\x2c\x20\xbe\xc8\xb3\xe7",
utf8: "세계야, 안녕",
}}
for _, tc := range testCases {
enctest.TestEncoding(t, tc.e, tc.encoded, tc.utf8, "", "")
}
}
func TestFiles(t *testing.T) { enctest.TestFile(t, EUCKR) }
func BenchmarkEncoding(b *testing.B) { enctest.Benchmark(b, EUCKR) }