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decoder_test.go
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decoder_test.go
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package jntajis
import (
"fmt"
"testing"
"unicode/utf8"
"github.com/stretchr/testify/assert"
)
func TestDecodeSingle(t *testing.T) {
for i, m := range txMappings {
if m.class == Reserved {
continue
}
func(m shrinkingTransliterationMapping) {
s := make([]byte, 8)
if m.rs[1] == InvalidRune {
n := utf8.EncodeRune(s, m.rs[0])
s = s[:n]
} else {
n := utf8.EncodeRune(s[:], m.rs[0])
n += utf8.EncodeRune(s[n:], m.rs[1])
s = s[:n]
}
var b []byte = nil
if m.jis >= 94*94 {
b = append(b, 0x0f)
}
b = append(b, byte(0x21+(m.jis/94)%94))
b = append(b, byte(0x21+m.jis%94))
if m.jis >= 94*94 {
b = append(b, 0x0e)
}
t.Run(fmt.Sprintf("%d: %s (%U %U)", i, string(s), m.rs[0], m.rs[1]), func(t *testing.T) {
dec := &JNTAJISDecoder{Replacement: InvalidRune, siso: true}
result, err := dec.Decode(nil, b)
if assert.NoError(t, err) {
assert.Equal(t, s, result)
}
})
}(m)
}
}
func TestDecodeIncompleteHalf(t *testing.T) {
dec := &JNTAJISDecoder{Replacement: InvalidRune}
b, err := dec.Decode(nil, []byte{0x21})
assert.Equal(t, []byte(nil), b)
assert.NoError(t, err)
b, err = dec.Decode(nil, []byte{0x22})
assert.Equal(t, []byte{0xe3, 0x80, 0x81}, b)
}