Created
June 12, 2014 01:07
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Japan/US collation comparison test over the ASCII space
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import java.text.Collator; | |
import java.util.ArrayList; | |
import java.util.Collections; | |
import java.util.Comparator; | |
import java.util.List; | |
import java.util.Locale; | |
import org.junit.Assert; | |
import org.junit.Test; | |
public class CollationCompare | |
{ | |
private ArrayList<String> strings1 = new ArrayList<String>(); | |
private ArrayList<String> strings2 = new ArrayList<String>(); | |
private ArrayList<String> strings3 = new ArrayList<String>(); | |
private ArrayList<String> strings4 = new ArrayList<String>(); | |
// private static Locale locale = Locale.JAPAN; | |
public CollationCompare() | |
{ | |
strings1.add("---10----1"); | |
strings1.add("---10---15"); | |
strings1.add("---10----2"); | |
strings1.add("---11"); | |
strings1.add("---12"); | |
strings1.add("----1"); | |
strings1.add("----2"); | |
strings1.add("----3"); | |
strings2.add("...10....1"); | |
strings2.add("...10...15"); | |
strings2.add("...10....2"); | |
strings2.add("...11"); | |
strings2.add("...12"); | |
strings2.add("....1"); | |
strings2.add("....2"); | |
strings2.add("....3"); | |
strings3.add("abc"); | |
strings3.add("xyz"); | |
strings3.add("fe2"); | |
strings3.add("ABC"); | |
strings3.add("XYZ"); | |
strings3.add("FE2"); | |
strings3.add("101"); | |
strings3.add("100"); | |
strings4.add(","); | |
strings4.add("!"); | |
strings4.add("#"); | |
strings4.add("$"); | |
strings4.add("%"); | |
strings4.add("^"); | |
strings4.add("&"); | |
strings4.add("*"); | |
strings4.add("("); | |
strings4.add(")"); | |
strings4.add("~"); | |
strings4.add("`"); | |
strings4.add("-"); | |
strings4.add("_"); | |
strings4.add("="); | |
strings4.add("+"); | |
strings4.add("["); | |
strings4.add("]"); | |
strings4.add("{"); | |
strings4.add("}"); | |
strings4.add("\\"); | |
strings4.add(";"); | |
strings4.add(":"); | |
} | |
@Test | |
public void test() | |
{ | |
List<String> japan1 = sort(strings1, Locale.JAPAN); | |
List<String> us1 = sort(strings1, Locale.US); | |
Assert.assertEquals(us1, japan1); | |
List<String> japan2 = sort(strings2, Locale.JAPAN); | |
List<String> us2 = sort(strings2, Locale.US); | |
Assert.assertEquals(us2, japan2); | |
List<String> japan3 = sort(strings3, Locale.JAPAN); | |
List<String> us3 = sort(strings3, Locale.US); | |
Assert.assertEquals(us3, japan3); | |
List<String> japan4 = sort(strings4, Locale.JAPAN); | |
List<String> us4 = sort(strings4, Locale.US); | |
Assert.assertEquals(us4, japan4); | |
} | |
private List<String> sort(List<String> list, Locale locale) | |
{ | |
final Collator collator = Collator.getInstance(locale); | |
collator.setStrength(Collator.PRIMARY); | |
ArrayList<String> copy = new ArrayList<String>(list); | |
Collections.sort(copy, new Comparator<String>() | |
{ | |
@Override | |
public int compare(String s1, String s2) | |
{ | |
return collator.compare(s1, s2); | |
} | |
}); | |
return copy; | |
} | |
} |
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