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/*
* @test
* @bug 4406815 8222969 8266784
* @summary RuleBasedCollatorTest uses very limited but selected test data
* to test basic functionalities provided by RuleBasedCollator.
* @run testng/othervm RuleBasedCollatorTest
*/
import java.text.CollationElementIterator;
import java.text.CollationKey;
import java.text.RuleBasedCollator;
import java.text.Collator;
import java.text.ParseException;
import java.util.Arrays;
import java.util.Locale;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import org.testng.SkipException;
import static org.testng.Assert.*;
public class RuleBasedCollatorTest {
static RuleBasedCollator USC;
static String US_RULES;
@BeforeClass
public void setup() {
Collator c = Collator.getInstance(Locale.US);
if (!(c instanceof RuleBasedCollator)) {
throw new SkipException("skip tests.");
}
USC = (RuleBasedCollator) c;
US_RULES = USC.getRules();
}
@DataProvider(name = "rulesData")
Object[][] rulesData() {
//Basic Tailor
String BASIC_TAILOR_RULES = "< b=c<\u00e6;A,a";
String[] BASIC_TAILOR_DATA = {"\u00e6", "b", "a", "c", "A"};
String[] BASIC_TAILOR_EXPECTED = {"b", "c", "\u00e6", "A", "a"};
//Contraction
String CONTRACTION_RULES = US_RULES + "& b < ch ,cH, Ch, CH < c ";
String[] CONTRACTION_DATA = {"b", "c", "ch", "CH", "Ch", "cH"};
String[] CONTRACTION_EXPECTED = {"b", "ch", "cH", "Ch", "CH", "c"};
//Expansion
String EXPANSION_RULES = US_RULES + "& ae = \u00e4 < b";
String[] EXPANSION_DATA = {"ad", "af", "\u00e4"};
String[] EXPANSION_EXPECTED = {"ad", "\u00e4", "af"};
//Punctuation
String PUNCTUATION_RULES = US_RULES + "< ' ' < '-'";
String[] PUNCTUATION_DATA = {"b-w", "b-W", "B-w", "B-W", "bW", "bw",
"Bw", "BW", "b w", "b W", "B w", "B W"};
String[] PUNCTUATION_EXPECTED = {"bw", "bW", "Bw", "BW", "b w", "b W",
"B w", "B W", "b-w", "b-W", "B-w", "B-W"};
return new Object[][] {
{BASIC_TAILOR_RULES, BASIC_TAILOR_DATA, BASIC_TAILOR_EXPECTED},
{CONTRACTION_RULES, CONTRACTION_DATA, CONTRACTION_EXPECTED},
{EXPANSION_RULES, EXPANSION_DATA, EXPANSION_EXPECTED},
{PUNCTUATION_RULES, PUNCTUATION_DATA, PUNCTUATION_EXPECTED}
};
}
@Test(dataProvider = "rulesData")
public void testRules(String rules, String[] testData, String[] expected)
throws ParseException {
Arrays.sort(testData, new RuleBasedCollator(rules));
assertEquals(testData, expected);
}
@DataProvider(name = "FrenchSecondarySort")
Object[][] FrenchSecondarySort() {
return new Object[][] {
{ "\u0061\u00e1\u0061", "\u00e1\u0061\u0061", 1 },
//{"\u0061\u00e1", "\u00e1\u0041", 1}, //JDK-4406815
//{"\u00e1\u0041", "\u0061\u00e1", -1}, //JDK-4406815
{"\u1ea0a", "\u1ea2A", -1}, //case ignore
{ "\u1ea0b", "\u1ea2A", 1 }, //primary overwrite
{ "\u1e15", "\u1e1d", -1 }, //ignore sec diacritic
{ "a", "\u1ea1", -1 } };
}
@Test(dataProvider = "FrenchSecondarySort")
public void testFrenchSecondarySort(String sData, String tData,
int expected) throws ParseException {
String french_rule = "@";
String rules = US_RULES + french_rule;
RuleBasedCollator rc = new RuleBasedCollator(rules);
int result = rc.compare(sData, tData);
assertEquals(expected, result);
}
@DataProvider(name = "ThaiLaoVowelConsonantSwapping")
Object[][] ThaiLaoVowelConsonantSwapping() {
return new Object[][] {{"\u0e44\u0e01", "\u0e40\u0e2e", -1},//swap
{"\u0e2e\u0e40", "\u0e01\u0e44", 1},//no swap
{"\u0e44\u0061", "\u0e40\u0081", 1}//no swap
};
}
@Test(dataProvider = "ThaiLaoVowelConsonantSwapping")
public void testThaiLaoVowelConsonantSwapping(String sData, String tData,
int expected) throws ParseException {
String thai_rule = "& Z < \u0e01 < \u0e2e <\u0e40 < \u0e44!";
String rules = US_RULES + thai_rule;
RuleBasedCollator rc = new RuleBasedCollator(rules);
int result = rc.compare(sData, tData);
assertEquals(expected, result);
}
@Test
public void testIgnorableCharacter() throws ParseException {
String rule = "=f<a<c";
RuleBasedCollator rc = new RuleBasedCollator(rule);
CollationElementIterator iter = rc.getCollationElementIterator("f");
int element = iter.next();
int primary = iter.primaryOrder(element);
assertEquals(primary, 0);
}
@DataProvider(name = "Normalization")
Object[][] Normalization() {
return new Object[][] {
//micro sign has no canonical decomp mapping
// 0:NO_Decomposition;
// 1:CANONICAL_Decomposition;
// 2:FULL_Decomposition
{"\u00b5", "\u03BC", 0, -1},
{"\u00b5", "\u03BC", 1, -1},
{"\u00b5", "\u03BC", 2, 0}
};
}
@Test(dataProvider = "Normalization")
public void testNormalization(String sData, String tData, int decomp,
int result) {
RuleBasedCollator rc = (RuleBasedCollator)USC.clone();
rc.setDecomposition(decomp);
assertEquals(rc.compare(sData, tData), result);
}
@Test
public void testEquality() throws ParseException {
String rule1 = "<a=b";
RuleBasedCollator rc1= new RuleBasedCollator(rule1);
//test equals()
assertTrue(rc1.equals(new RuleBasedCollator(rule1)));
//test semantic equality
String[] array1 = {"b", "c", "a"};
String[] array2 = Arrays.copyOf(array1, array1.length);
String[] expected = {"b", "a", "c"};
String rule2 = "<b=a";
RuleBasedCollator rc2= new RuleBasedCollator(rule2);
Arrays.sort(array1, rc1);
Arrays.sort(array2, rc2);
assertEquals(array1, array2);
assertEquals(array1, expected);
}
@Test
public void testBasicParsingOrder() throws ParseException {
String rule1 = "< a < b & a < c";
String rule2 = "< a < c & a < b";
String rule3 = "< a < b < c";
String s = "abc";
RuleBasedCollator c1 = new RuleBasedCollator(rule1);
RuleBasedCollator c2 = new RuleBasedCollator(rule2);
RuleBasedCollator c3 = new RuleBasedCollator(rule3);
CollationKey k1 = c1.getCollationKey(s);
CollationKey k2 = c2.getCollationKey(s);
CollationKey k3 = c3.getCollationKey(s);
//rule1 should not equals to rule2
assertEquals(k1.compareTo(k2) == 0, false);
//rule2 should equals to rule3
assertEquals(k2.compareTo(k3) == 0, true);
}
@DataProvider(name = "ParseData")
Object[][] ParseData() {
return new Object[][] {
{""},
{"a < b"},
{"< a-b < c"},
{"< ,a"},
{"< a < b & c < d"}
};
}
@Test(dataProvider = "ParseData",
expectedExceptions = ParseException.class)
public void testParseException(String rule) throws ParseException{
new RuleBasedCollator(rule);
}
@Test(expectedExceptions = NullPointerException.class)
public void testNullParseException() throws ParseException{
new RuleBasedCollator(null);
}
}