Examples with ScriptUsage android.icu.lang.UScript.ScriptUsage used on opensource projects

Example 1 with ScriptUsage

use of android.icu.lang.UScript.ScriptUsage in project j2objc by google.

the class TestUScript method TestScriptMetadata.

@Test
public void TestScriptMetadata() {
    UnicodeSet rtl = new UnicodeSet("[[:bc=R:][:bc=AL:]-[:Cn:]-[:sc=Common:]]");
    // So far, sample characters are uppercase.
    // Georgian is special.
    UnicodeSet cased = new UnicodeSet("[[:Lu:]-[:sc=Common:]-[:sc=Geor:]]");
    for (int sc = 0; sc < UScript.CODE_LIMIT; ++sc) {
        String sn = UScript.getShortName(sc);
        ScriptUsage usage = UScript.getUsage(sc);
        String sample = UScript.getSampleString(sc);
        UnicodeSet scriptSet = new UnicodeSet();
        scriptSet.applyIntPropertyValue(UProperty.SCRIPT, sc);
        if (usage == ScriptUsage.NOT_ENCODED) {
            // Java 6: sample.isEmpty()
            assertTrue(sn + " not encoded, no sample", sample.length() == 0);
            assertFalse(sn + " not encoded, not RTL", UScript.isRightToLeft(sc));
            assertFalse(sn + " not encoded, not LB letters", UScript.breaksBetweenLetters(sc));
            assertFalse(sn + " not encoded, not cased", UScript.isCased(sc));
            assertTrue(sn + " not encoded, no characters", scriptSet.isEmpty());
        } else {
            // Java 6: sample.isEmpty()
            assertFalse(sn + " encoded, has a sample character", sample.length() == 0);
            int firstChar = sample.codePointAt(0);
            int charScript = getCharScript(sc);
            assertEquals(sn + " script(sample(script))", charScript, UScript.getScript(firstChar));
            assertEquals(sn + " RTL vs. set", rtl.contains(firstChar), UScript.isRightToLeft(sc));
            assertEquals(sn + " cased vs. set", cased.contains(firstChar), UScript.isCased(sc));
            assertEquals(sn + " encoded, has characters", sc == charScript, !scriptSet.isEmpty());
            if (UScript.isRightToLeft(sc)) {
                rtl.removeAll(scriptSet);
            }
            if (UScript.isCased(sc)) {
                cased.removeAll(scriptSet);
            }
        }
    }
    assertEquals("no remaining RTL characters", "[]", rtl.toPattern(true));
    assertEquals("no remaining cased characters", "[]", cased.toPattern(true));
    assertTrue("Hani breaks between letters", UScript.breaksBetweenLetters(UScript.HAN));
    assertTrue("Thai breaks between letters", UScript.breaksBetweenLetters(UScript.THAI));
    assertFalse("Latn does not break between letters", UScript.breaksBetweenLetters(UScript.LATIN));
}