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

Example 11 with CollationElementIterator

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

the class CollationTest method doTest.

// package private methods ----------------------------------------------
static void doTest(TestFmwk test, RuleBasedCollator col, String source, String target, int result) {
    doTestVariant(test, col, source, target, result);
    if (result == -1) {
        doTestVariant(test, col, target, source, 1);
    } else if (result == 1) {
        doTestVariant(test, col, target, source, -1);
    } else {
        doTestVariant(test, col, target, source, 0);
    }
    CollationElementIterator iter = col.getCollationElementIterator(source);
    backAndForth(test, iter);
    iter.setText(target);
    backAndForth(test, iter);
}

Example 12 with CollationElementIterator

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

the class CollationAPITest method TestRuleBasedColl.

/**
 * This tests the RuleBasedCollator
 * - constructor/destructor
 * - getRules
 */
@Test
public void TestRuleBasedColl() {
    RuleBasedCollator col1 = null, col2 = null, col3 = null, col4 = null;
    String ruleset1 = "&9 < a, A < b, B < c, C; ch, cH, Ch, CH < d, D, e, E";
    String ruleset2 = "&9 < a, A < b, B < c, C < d, D, e, E";
    String ruleset3 = "&";
    try {
        col1 = new RuleBasedCollator(ruleset1);
    } catch (Exception e) {
        // only first error needs to be a warning since we exit function
        warnln("RuleBased Collator creation failed.");
        return;
    }
    try {
        col2 = new RuleBasedCollator(ruleset2);
    } catch (Exception e) {
        errln("RuleBased Collator creation failed.");
        return;
    }
    try {
        // empty rules fail
        col3 = new RuleBasedCollator(ruleset3);
        errln("Failure: Empty rules for the collator should fail");
        return;
    } catch (MissingResourceException e) {
        warnln(e.getMessage());
    } catch (Exception e) {
        logln("PASS: Empty rules for the collator failed as expected");
    }
    Locale locale = new Locale("aa", "AA");
    try {
        col3 = (RuleBasedCollator) Collator.getInstance(locale);
    } catch (Exception e) {
        errln("Fallback Collator creation failed.: %s");
        return;
    }
    try {
        col3 = (RuleBasedCollator) Collator.getInstance();
    } catch (Exception e) {
        errln("Default Collator creation failed.: %s");
        return;
    }
    String rule1 = col1.getRules();
    String rule2 = col2.getRules();
    String rule3 = col3.getRules();
    doAssert(!rule1.equals(rule2), "Default collator getRules failed");
    doAssert(!rule2.equals(rule3), "Default collator getRules failed");
    doAssert(!rule1.equals(rule3), "Default collator getRules failed");
    try {
        col4 = new RuleBasedCollator(rule2);
    } catch (Exception e) {
        errln("RuleBased Collator creation failed.");
        return;
    }
    String rule4 = col4.getRules();
    doAssert(rule2.equals(rule4), "Default collator getRules failed");
    // tests that modifier ! is always ignored
    String exclamationrules = "!&a<b";
    // java does not allow ! to be the start of the rule
    String thaistr = "\u0e40\u0e01\u0e2d";
    try {
        RuleBasedCollator col5 = new RuleBasedCollator(exclamationrules);
        RuleBasedCollator encol = (RuleBasedCollator) Collator.getInstance(Locale.ENGLISH);
        CollationElementIterator col5iter = col5.getCollationElementIterator(thaistr);
        CollationElementIterator encoliter = encol.getCollationElementIterator(thaistr);
        while (true) {
            // testing with en since thai has its own tailoring
            int ce = col5iter.next();
            int ce2 = encoliter.next();
            if (ce2 != ce) {
                errln("! modifier test failed");
            }
            if (ce == CollationElementIterator.NULLORDER) {
                break;
            }
        }
    } catch (Exception e) {
        errln("RuleBased Collator creation failed for ! modifier.");
        return;
    }
}

Example 13 with CollationElementIterator

use of android.icu.text.CollationElementIterator 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 14 with CollationElementIterator

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

the class CollationIteratorTest method TestClearBuffers.

/*
     * @bug 4157299
     */
@Test
public void TestClearBuffers() /* char* par */
{
    RuleBasedCollator c = null;
    try {
        c = new RuleBasedCollator("&a < b < c & ab = d");
    } catch (Exception e) {
        warnln("Couldn't create a RuleBasedCollator.");
        return;
    }
    String source = "abcd";
    CollationElementIterator i = c.getCollationElementIterator(source);
    int e0 = 0;
    try {
        // save the first collation element
        e0 = i.next();
    } catch (Exception e) {
        errln("call to i.next() failed.");
        return;
    }
    try {
        // go to the expanding character
        i.setOffset(3);
    } catch (Exception e) {
        errln("call to i.setOffset(3) failed.");
        return;
    }
    try {
        // but only use up half of it
        i.next();
    } catch (Exception e) {
        errln("call to i.next() failed.");
        return;
    }
    try {
        // go back to the beginning
        i.setOffset(0);
    } catch (Exception e) {
        errln("call to i.setOffset(0) failed. ");
    }
    int e = 0;
    try {
        // and get this one again
        e = i.next();
    } catch (Exception ee) {
        errln("call to i.next() failed. ");
        return;
    }
    if (e != e0) {
        errln("got 0x" + Integer.toHexString(e) + ", expected 0x" + Integer.toHexString(e0));
    }
}

Example 15 with CollationElementIterator

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

the class CollationIteratorTest method TestSetText.

/**
 * Test for setText()
 */
@Test
public void TestSetText() /* char* par */
{
    RuleBasedCollator en_us = (RuleBasedCollator) Collator.getInstance(Locale.US);
    CollationElementIterator iter1 = en_us.getCollationElementIterator(test1);
    CollationElementIterator iter2 = en_us.getCollationElementIterator(test2);
    // Run through the second iterator just to exercise it
    int c = iter2.next();
    int i = 0;
    while (++i < 10 && c != CollationElementIterator.NULLORDER) {
        try {
            c = iter2.next();
        } catch (Exception e) {
            errln("iter2.next() returned an error.");
            break;
        }
    }
    // Now set it to point to the same string as the first iterator
    try {
        iter2.setText(test1);
    } catch (Exception e) {
        errln("call to iter2->setText(test1) failed.");
        return;
    }
    assertEqual(iter1, iter2);
    iter1.reset();
    // now use the overloaded setText(ChracterIterator&, UErrorCode) function to set the text
    CharacterIterator chariter = new StringCharacterIterator(test1);
    try {
        iter2.setText(chariter);
    } catch (Exception e) {
        errln("call to iter2->setText(chariter(test1)) failed.");
        return;
    }
    assertEqual(iter1, iter2);
    iter1.reset();
    // now use the overloaded setText(ChracterIterator&, UErrorCode) function to set the text
    UCharacterIterator uchariter = UCharacterIterator.getInstance(test1);
    try {
        iter2.setText(uchariter);
    } catch (Exception e) {
        errln("call to iter2->setText(uchariter(test1)) failed.");
        return;
    }
    assertEqual(iter1, iter2);
}