Examples with Collator android.icu.text.Collator used on opensource projects

Example 56 with Collator

use of android.icu.text.Collator in project j2objc by google.

the class CollationAPITest method TestCompare.

/**
 * This tests the comparison convenience methods of a collator object.
 * - greater than
 * - greater than or equal to
 * - equal to
 */
@Test
public void TestCompare() {
    logln("The compare tests begin : ");
    Collator col = Collator.getInstance(Locale.ENGLISH);
    String test1 = "Abcda";
    String test2 = "abcda";
    logln("Use tertiary comparison level testing ....");
    doAssert((!col.equals(test1, test2)), "Result should be \"Abcda\" != \"abcda\"");
    doAssert((col.compare(test1, test2) > 0), "Result should be \"Abcda\" >>> \"abcda\"");
    col.setStrength(Collator.SECONDARY);
    logln("Use secondary comparison level testing ....");
    doAssert((col.equals(test1, test2)), "Result should be \"Abcda\" == \"abcda\"");
    doAssert((col.compare(test1, test2) == 0), "Result should be \"Abcda\" == \"abcda\"");
    col.setStrength(Collator.PRIMARY);
    logln("Use primary comparison level testing ....");
    doAssert((col.equals(test1, test2)), "Result should be \"Abcda\" == \"abcda\"");
    doAssert((col.compare(test1, test2) == 0), "Result should be \"Abcda\" == \"abcda\"");
    logln("The compare tests end.");
}

Example 57 with Collator

use of android.icu.text.Collator in project j2objc by google.

the class CollationAPITest method TestDecomposition.

/**
 * Tests decomposition setting
 */
@Test
public void TestDecomposition() {
    Collator en_US = null, el_GR = null, vi_VN = null;
    en_US = Collator.getInstance(new Locale("en", "US"));
    el_GR = Collator.getInstance(new Locale("el", "GR"));
    vi_VN = Collator.getInstance(new Locale("vi", "VN"));
    // there is no reason to have canonical decomposition in en_US OR default locale */
    if (vi_VN.getDecomposition() != Collator.CANONICAL_DECOMPOSITION) {
        errln("vi_VN collation did not have cannonical decomposition for normalization!");
    }
    if (el_GR.getDecomposition() != Collator.CANONICAL_DECOMPOSITION) {
        errln("el_GR collation did not have cannonical decomposition for normalization!");
    }
    if (en_US.getDecomposition() != Collator.NO_DECOMPOSITION) {
        errln("en_US collation had cannonical decomposition for normalization!");
    }
}

Example 58 with Collator

use of android.icu.text.Collator in project j2objc by google.

the class CollationAPITest method TestJunkCollator.

@Test
public void TestJunkCollator() {
    logln("Create junk collation: ");
    Locale abcd = new Locale("ab", "CD", "");
    Collator junk = Collator.getInstance(abcd);
    Collator col = Collator.getInstance();
    String colrules = ((RuleBasedCollator) col).getRules();
    String junkrules = ((RuleBasedCollator) junk).getRules();
    doAssert(colrules == junkrules || colrules.equals(junkrules), "The default collation should be returned.");
    Collator frCol = null;
    try {
        frCol = Collator.getInstance(Locale.CANADA_FRENCH);
    } catch (Exception e) {
        errln("Creating fr_CA collator failed.");
        return;
    }
    doAssert(!(frCol.equals(junk)), "The junk is the same as the fr_CA collator.");
    logln("Collator property test ended.");
}

Example 59 with Collator

use of android.icu.text.Collator in project j2objc by google.

the class CollationDummyTest method TestJB1401.

@Test
public void TestJB1401() {
    Collator myCollator = null;
    char[] NFD_UnsafeStartChars = { // Tibetan Vowel Sign II
    0x0f73, // Tibetan Vowel Sign UU
    0x0f75, // Tibetan Vowel Sign Reversed II
    0x0f81, 0 };
    int i;
    try {
        myCollator = Collator.getInstance(Locale.ENGLISH);
    } catch (Exception e) {
        errln("ERROR: Failed to create the collator for ENGLISH");
        return;
    }
    myCollator.setDecomposition(Collator.CANONICAL_DECOMPOSITION);
    for (i = 0; ; i++) {
        // Get the next funny character to be tested, and set up the
        // three test strings X, Y, Z, consisting of an A-grave + test char,
        // in original form, NFD, and then NFC form.
        char c = NFD_UnsafeStartChars[i];
        if (c == 0) {
            break;
        }
        // \u00C0 is A Grave
        String x = "\u00C0" + c;
        String y;
        String z;
        try {
            y = Normalizer.decompose(x, false);
            z = Normalizer.decompose(y, true);
        } catch (Exception e) {
            errln("ERROR: Failed to normalize test of character" + c);
            return;
        }
        // Collation test.  All three strings should be equal.
        // doTest does both strcoll and sort keys, with params in both orders.
        doTest(myCollator, x, y, 0);
        doTest(myCollator, x, z, 0);
        doTest(myCollator, y, z, 0);
        // Run collation element iterators over the three strings.  Results should be same for each.
        {
            CollationElementIterator ceiX, ceiY, ceiZ;
            int ceX, ceY, ceZ;
            int j;
            try {
                ceiX = ((RuleBasedCollator) myCollator).getCollationElementIterator(x);
                ceiY = ((RuleBasedCollator) myCollator).getCollationElementIterator(y);
                ceiZ = ((RuleBasedCollator) myCollator).getCollationElementIterator(z);
            } catch (Exception e) {
                errln("ERROR: getCollationElementIterator failed");
                return;
            }
            for (j = 0; ; j++) {
                try {
                    ceX = ceiX.next();
                    ceY = ceiY.next();
                    ceZ = ceiZ.next();
                } catch (Exception e) {
                    errln("ERROR: CollationElementIterator.next failed for iteration " + j);
                    break;
                }
                if (ceX != ceY || ceY != ceZ) {
                    errln("ERROR: ucol_next failed for iteration " + j);
                    break;
                }
                if (ceX == CollationElementIterator.NULLORDER) {
                    break;
                }
            }
        }
    }
}

Example 60 with Collator

use of android.icu.text.Collator in project j2objc by google.

the class CollationDummyTest method TestSurrogates.

// TestSurrogates() is ported from cintltst/callcoll.c
/**
 * Tests surrogate support.
 */
@Test
public void TestSurrogates() {
    String rules = "&z<'\ud800\udc00'<'\ud800\udc0a\u0308'<A";
    String[] source = { "z", "\uD800\uDC00", "\ud800\udc0a\u0308", "\ud800\udc02" };
    String[] target = { "\uD800\uDC00", "\ud800\udc0a\u0308", "A", "\ud800\udc03" };
    // this test is to verify the supplementary sort key order in the english
    // collator
    Collator enCollation;
    try {
        enCollation = Collator.getInstance(Locale.ENGLISH);
    } catch (Exception e) {
        errln("ERROR: Failed to create the collator for ENGLISH");
        return;
    }
    myCollation.setStrength(Collator.TERTIARY);
    int count = 0;
    // logln("start of english collation supplementary characters test\n");
    while (count < 2) {
        doTest(enCollation, source[count], target[count], -1);
        count++;
    }
    doTest(enCollation, source[count], target[count], 1);
    // logln("start of tailored collation supplementary characters test\n");
    count = 0;
    Collator newCollation;
    try {
        newCollation = new RuleBasedCollator(rules);
    } catch (Exception e) {
        errln("ERROR: Failed to create the collator for rules");
        return;
    }
    // tests getting collation elements for surrogates for tailored rules
    while (count < 4) {
        doTest(newCollation, source[count], target[count], -1);
        count++;
    }
    // tests that \uD801\uDC01 still has the same value, not changed
    CollationKey enKey = enCollation.getCollationKey(source[3]);
    CollationKey newKey = newCollation.getCollationKey(source[3]);
    int keyResult = enKey.compareTo(newKey);
    if (keyResult != 0) {
        errln("Failed : non-tailored supplementary characters should have the same value\n");
    }
}