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https://codeberg.org/forgejo/forgejo.git
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Fix utf8 tests (#8192)
* Prevent compiler environment from making the tests fail * Remove unused function * Pass lint
This commit is contained in:
parent
73f7e82024
commit
2628b15ee3
2 changed files with 79 additions and 33 deletions
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@ -35,7 +35,7 @@ func ToUTF8WithErr(content []byte) (string, error) {
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}
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// If there is an error, we concatenate the nicely decoded part and the
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// original left over. This way we won't lose data.
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// original left over. This way we won't lose much data.
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result, n, err := transform.Bytes(encoding.NewDecoder(), content)
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if err != nil {
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result = append(result, content[n:]...)
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@ -24,41 +24,55 @@ func TestToUTF8WithErr(t *testing.T) {
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var res string
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var err error
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// Note: golang compiler seems so behave differently depending on the current
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// locale, so some conversions might behave differently. For that reason, we don't
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// depend on particular conversions but in expected behaviors.
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res, err = ToUTF8WithErr([]byte{0x41, 0x42, 0x43})
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assert.NoError(t, err)
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assert.Equal(t, "ABC", res)
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assert.NoError(t, err)
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// "áéíóú"
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res, err = ToUTF8WithErr([]byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba})
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assert.Equal(t, "áéíóú", res)
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assert.NoError(t, err)
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assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, []byte(res))
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res, err = ToUTF8WithErr([]byte{0xef, 0xbb, 0xbf, 0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba})
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assert.Equal(t, "áéíóú", res)
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// "áéíóú"
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res, err = ToUTF8WithErr([]byte{0xef, 0xbb, 0xbf, 0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3,
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0xc3, 0xba})
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assert.NoError(t, err)
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assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, []byte(res))
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// This test FAILS
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res, err = ToUTF8WithErr([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63, 0xF3, 0x6D, 0x6F, 0x20, 0xF1, 0x6F, 0x73})
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assert.Equal(t, "Hola, así cómo ños", res)
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res, err = ToUTF8WithErr([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63,
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0xF3, 0x6D, 0x6F, 0x20, 0xF1, 0x6F, 0x73, 0x41, 0x41, 0x41, 0x2e})
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assert.NoError(t, err)
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stringMustStartWith(t, "Hola,", res)
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stringMustEndWith(t, "AAA.", res)
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res, err = ToUTF8WithErr([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63, 0xF3, 0x6D, 0x6F, 0x20, 0x07, 0xA4, 0x6F, 0x73})
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// Do not fail for differences in invalid cases, as the library might change the conversion criteria for those
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assert.Regexp(t, "^Hola, así cómo", res)
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res, err = ToUTF8WithErr([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63,
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0xF3, 0x6D, 0x6F, 0x20, 0x07, 0xA4, 0x6F, 0x73, 0x41, 0x41, 0x41, 0x2e})
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assert.NoError(t, err)
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stringMustStartWith(t, "Hola,", res)
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stringMustEndWith(t, "AAA.", res)
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res, err = ToUTF8WithErr([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63, 0xF3, 0x6D, 0x6F, 0x20, 0x81, 0xA4, 0x6F, 0x73})
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// Do not fail for differences in invalid cases, as the library might change the conversion criteria for those
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assert.Regexp(t, "^Hola, así cómo", res)
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res, err = ToUTF8WithErr([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63,
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0xF3, 0x6D, 0x6F, 0x20, 0x81, 0xA4, 0x6F, 0x73, 0x41, 0x41, 0x41, 0x2e})
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assert.NoError(t, err)
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stringMustStartWith(t, "Hola,", res)
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stringMustEndWith(t, "AAA.", res)
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// Japanese (Shift-JIS)
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res, err = ToUTF8WithErr([]byte{0x93, 0xFA, 0x91, 0xAE, 0x94, 0xE9, 0x82, 0xBC, 0x82, 0xB5, 0x82, 0xBF, 0x82, 0xE3, 0x81, 0x42})
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assert.Equal(t, "日属秘ぞしちゅ。", res)
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// 日属秘ぞしちゅ。
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res, err = ToUTF8WithErr([]byte{0x93, 0xFA, 0x91, 0xAE, 0x94, 0xE9, 0x82, 0xBC, 0x82, 0xB5, 0x82,
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0xBF, 0x82, 0xE3, 0x81, 0x42})
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assert.NoError(t, err)
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assert.Equal(t, []byte{0xE6, 0x97, 0xA5, 0xE5, 0xB1, 0x9E, 0xE7, 0xA7, 0x98, 0xE3,
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0x81, 0x9E, 0xE3, 0x81, 0x97, 0xE3, 0x81, 0xA1, 0xE3, 0x82, 0x85, 0xE3, 0x80, 0x82},
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[]byte(res))
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res, err = ToUTF8WithErr([]byte{0x00, 0x00, 0x00, 0x00})
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assert.Equal(t, "\x00\x00\x00\x00", res)
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assert.NoError(t, err)
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assert.Equal(t, []byte{0x00, 0x00, 0x00, 0x00}, []byte(res))
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}
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func TestToUTF8WithFallback(t *testing.T) {
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@ -75,8 +89,10 @@ func TestToUTF8WithFallback(t *testing.T) {
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assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, res)
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// "Hola, así cómo ños"
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res = ToUTF8WithFallback([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63, 0xF3, 0x6D, 0x6F, 0x20, 0xF1, 0x6F, 0x73})
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assert.Equal(t, []byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xC3, 0xAD, 0x20, 0x63, 0xC3, 0xB3, 0x6D, 0x6F, 0x20, 0xC3, 0xB1, 0x6F, 0x73}, res)
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res = ToUTF8WithFallback([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63,
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0xF3, 0x6D, 0x6F, 0x20, 0xF1, 0x6F, 0x73})
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assert.Equal(t, []byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xC3, 0xAD, 0x20, 0x63,
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0xC3, 0xB3, 0x6D, 0x6F, 0x20, 0xC3, 0xB1, 0x6F, 0x73}, res)
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// "Hola, así cómo "
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minmatch := []byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xC3, 0xAD, 0x20, 0x63, 0xC3, 0xB3, 0x6D, 0x6F, 0x20}
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@ -100,22 +116,36 @@ func TestToUTF8WithFallback(t *testing.T) {
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}
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func TestToUTF8(t *testing.T) {
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res := ToUTF8("ABC")
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// Note: golang compiler seems so behave differently depending on the current
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// locale, so some conversions might behave differently. For that reason, we don't
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// depend on particular conversions but in expected behaviors.
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res := ToUTF8(string([]byte{0x41, 0x42, 0x43}))
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assert.Equal(t, "ABC", res)
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res = ToUTF8("áéíóú")
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assert.Equal(t, "áéíóú", res)
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// "áéíóú"
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res = ToUTF8(string([]byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}))
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assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, []byte(res))
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// With utf-8 BOM
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res = ToUTF8("\ufeffáéíóú")
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assert.Equal(t, "áéíóú", res)
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// BOM + "áéíóú"
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res = ToUTF8(string([]byte{0xef, 0xbb, 0xbf, 0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3,
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0xc3, 0xba}))
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assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, []byte(res))
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res = ToUTF8("Hola, así cómo ños")
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assert.Equal(t, "Hola, así cómo ños", res)
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// Latin1
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// Hola, así cómo ños
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res = ToUTF8(string([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63,
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0xF3, 0x6D, 0x6F, 0x20, 0xF1, 0x6F, 0x73}))
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assert.Equal(t, []byte{0x48, 0x6f, 0x6c, 0x61, 0x2c, 0x20, 0x61, 0x73, 0xc3, 0xad, 0x20, 0x63,
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0xc3, 0xb3, 0x6d, 0x6f, 0x20, 0xc3, 0xb1, 0x6f, 0x73}, []byte(res))
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res = ToUTF8("Hola, así cómo \x07ños")
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// Do not fail for differences in invalid cases, as the library might change the conversion criteria for those
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assert.Regexp(t, "^Hola, así cómo", res)
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// Latin1
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// Hola, así cómo \x07ños
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res = ToUTF8(string([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63,
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0xF3, 0x6D, 0x6F, 0x20, 0x07, 0xA4, 0x6F, 0x73}))
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// Hola,
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bytesMustStartWith(t, []byte{0x48, 0x6F, 0x6C, 0x61, 0x2C}, []byte(res))
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// This test FAILS
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// res = ToUTF8("Hola, así cómo \x81ños")
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@ -123,11 +153,15 @@ func TestToUTF8(t *testing.T) {
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// assert.Regexp(t, "^Hola, así cómo", res)
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// Japanese (Shift-JIS)
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res = ToUTF8("\x93\xFA\x91\xAE\x94\xE9\x82\xBC\x82\xB5\x82\xBF\x82\xE3\x81\x42")
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assert.Equal(t, "日属秘ぞしちゅ。", res)
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// 日属秘ぞしちゅ。
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res = ToUTF8(string([]byte{0x93, 0xFA, 0x91, 0xAE, 0x94, 0xE9, 0x82, 0xBC, 0x82, 0xB5, 0x82,
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0xBF, 0x82, 0xE3, 0x81, 0x42}))
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assert.Equal(t, []byte{0xE6, 0x97, 0xA5, 0xE5, 0xB1, 0x9E, 0xE7, 0xA7, 0x98, 0xE3,
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0x81, 0x9E, 0xE3, 0x81, 0x97, 0xE3, 0x81, 0xA1, 0xE3, 0x82, 0x85, 0xE3, 0x80, 0x82},
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[]byte(res))
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res = ToUTF8("\x00\x00\x00\x00")
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assert.Equal(t, "\x00\x00\x00\x00", res)
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assert.Equal(t, []byte{0x00, 0x00, 0x00, 0x00}, []byte(res))
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}
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func TestToUTF8DropErrors(t *testing.T) {
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@ -203,3 +237,15 @@ func TestDetectEncoding(t *testing.T) {
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_, err = DetectEncoding(b)
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assert.Error(t, err)
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}
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func stringMustStartWith(t *testing.T, expected string, value string) {
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assert.Equal(t, expected, string(value[:len(expected)]))
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}
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func stringMustEndWith(t *testing.T, expected string, value string) {
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assert.Equal(t, expected, string(value[len(value)-len(expected):]))
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}
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func bytesMustStartWith(t *testing.T, expected []byte, value []byte) {
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assert.Equal(t, expected, value[:len(expected)])
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}
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