organicmaps/icu
13
Fork 0
mirror of https://github.com/unicode-org/icu.git synced 2025-04-17 02:37:25 +00:00
Code Issues 1 Projects Releases Wiki Activity Actions 8

ICU-6889 Add test for CharsetDetector.detectAll() producing the same encoding multiple times.

Browse source 
X-SVN-Rev: 31905
This commit is contained in:
Andy Heninger 2012-06-05 17:40:59 +00:00
parent cfb458d917
commit 709b0884cc
1 changed files with 25 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
icu4j/main/tests/core/src/com/ibm/icu/dev/test/charsetdet/TestCharsetDetector.java
View file

@ -11,6 +11,7 @@ import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.util.HashSet;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
@ -1104,7 +1105,30 @@ public class TestCharsetDetector extends TestFmwk
name1 = match1.getName();
assertEquals("Wrong charset name after running a second charset detector", "windows-1252", name1);
}
public void TestBug6889() {
// Verify that CharsetDetector.detectAll() does not return the same encoding multiple times.
String text =
"This is a small sample of some English text. Just enough to be sure that it detects correctly.";
byte[] textBytes;
try {
textBytes = text.getBytes("ISO-8859-1");
}
catch (Exception e) {
fail("Unexpected exception " + e.toString());
return;
}
CharsetDetector det = new CharsetDetector();
det.setText(textBytes);
CharsetMatch matches[] = det.detectAll();
HashSet<String> detectedEncodings = new HashSet<String>();
for (CharsetMatch m: matches) {
assertTrue("Charset " + m.getName() + " encountered before",
detectedEncodings.add(m.getName()));
}
}