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https://issues.apache.org/jira/browse/CODEC-127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13084611#comment-13084611
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Sebb commented on CODEC-127:
----------------------------
The problem is that it's not possible to see what the test data is in the IDE
(apart from the German chars).
Also, unless you tell SVN the encoding (e.g. via mime-type), diff e-mails (and
possibly conversion to local EOL) may suffer.
Saving IDE settings in SVN is a non-starter, because there are many different
IDEs, and it's anyway not possible to have the settings automatically picked
up, as far as I know.
Have a look again at the non-ISO-8858-1 characters and see if they are correct.
I suspect not, as they all appear to be the unspecified character (\ufffd), at
least when treated as UTF-8.
> Non-ascii characters in test source files
> -----------------------------------------
>
> Key: CODEC-127
> URL: https://issues.apache.org/jira/browse/CODEC-127
> Project: Commons Codec
> Issue Type: Bug
> Reporter: Sebb
>
> Some of the test cases include characters in a native encoding (possibly
> UTF-8), rather than using Unicode escapes.
> This can cause a problem for IDEs if they don't know the encoding (e.g. cause
> compilation errors, which is how I found the issue), and possibly some
> transformations may corrupt the contents, e.g. fixing EOL.
> I think we should have a rule of using Unicode escapes for all such non-ascii
> characters.
> It's particularly important for non-ISO-8859-1 characters.
> Some example classes with non-ascii characters:
> {code}
> binary\Base64Test.java:96 byte[] decode =
> b64.decode("SGVsbG{´┐¢´┐¢´┐¢´┐¢´┐¢´┐¢}8gV29ybGQ=");
> language\ColognePhoneticTest.java:110 {"m├Ânchengladbach",
> "664645214"},
> language\ColognePhoneticTest.java:130 String[][] data =
> {{"bergisch-gladbach", "174845214"}, {"M├╝ller-L├╝denscheidt", "65752682"}};
> language\ColognePhoneticTest.java:137 {"Meyer", "M├╝ller"},
> language\ColognePhoneticTest.java:143 {"ganz", "Gänse"},
> language\DoubleMetaphoneTest.java:1222
> this.getDoubleMetaphone().isDoubleMetaphoneEqual("´┐¢", "S");
> language\DoubleMetaphoneTest.java:1227
> this.getDoubleMetaphone().isDoubleMetaphoneEqual("´┐¢", "N");
> language\SoundexTest.java:367 if (Character.isLetter('´┐¢')) {
> language\SoundexTest.java:369 Assert.assertEquals("´┐¢000",
> this.getSoundexEncoder().encode("´┐¢"));
> language\SoundexTest.java:375 Assert.assertEquals("",
> this.getSoundexEncoder().encode("´┐¢"));
> language\SoundexTest.java:387 if (Character.isLetter('´┐¢')) {
> language\SoundexTest.java:389 Assert.assertEquals("´┐¢000",
> this.getSoundexEncoder().encode("´┐¢"));
> language\SoundexTest.java:395 Assert.assertEquals("",
> this.getSoundexEncoder().encode("´┐¢"));
> {code}
> The characters are probably not correct above, because I used a crude perl
> script to find them:
> {code}
> perl ne "$.=1 if $s ne $ARGV;print qq($ARGV:$. $_) if m/\P{ASCII}/;$s=$ARGV;"
> */*.java
> {code}
> language\SoundexTest.java:367 in particular is incorrect, because it's
> supposed to be a single character.
> Now one might think that native2ascii -encoding UTF-8 would fix that, but it
> gives:
> if (Character.isLetter('\ufffd'))
> which is an "unknown" character.
> Similarly for binary\Base64Test.java:96.
> It's not all that clear what the Unicode escapes should be in these cases,
> but probably not the unknown character.
> [Possibly the characters got mangled at some point, or maybe they have always
> been wrong]
> The ColognePhoneticTest.java cases are less serious, as the characters are
> valid ISO-8859-1 (accented German), but given that the rest of the file uses
> unicode escaps, I think they should be changed too (but add comments to say
> what they are, e.g. o-umlaut, u-umlaut)
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