publicclass BidiEmbeddingTest { publicstaticvoid main(String[] args) { // to regress embedding test against old fix, call with an arg. A window will pop // up causing awt lib to be loaded so the vm won't die with the unsatisfied link error. if (args.length > 0) {
Frame f = new Frame();
f.setSize(300, 300);
f.setBackground(Color.white);
f.show();
}
test1();
test2();
}
staticvoid test1() {
String target = "BACK WARDS";
String str = "If this text is >" + target + "< the test passed."; int start = str.indexOf(target); int limit = start + target.length();
AttributedString astr = new AttributedString(str);
astr.addAttribute(TextAttribute.BIDI_EMBEDDING, new Integer(-1),
start,
limit);
Bidi bidi = new Bidi(astr.getIterator());
for (int i = 0; i < bidi.getRunCount(); ++i) {
System.out.println("run " + i + " from " + bidi.getRunStart(i) + " to " + bidi.getRunLimit(i) + " at level " + bidi.getRunLevel(i));
}
System.out.println(bidi);
byte[] embs = newbyte[str.length() + 3]; for (int i = start + 1; i < limit + 1; ++i) {
embs[i] = -1;
}
Bidi bidi2 = new Bidi(str.toCharArray(), 0, embs, 1, str.length(), Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT); for (int i = 0; i < bidi2.getRunCount(); ++i) {
System.out.println("run " + i + " from " + bidi2.getRunStart(i) + " to " + bidi2.getRunLimit(i) + " at level " + bidi2.getRunLevel(i));
}
// make sure BIDI_EMBEDDING values of 0 are mapped to base run direction, instead of flagging an error. staticvoid test2() {
String target = "BACK WARDS";
String str = "If this text is >" + target + "< the test passed."; int length = str.length(); int start = str.indexOf(target); int limit = start + target.length();
AttributedString astr = new AttributedString(str);
astr.addAttribute(TextAttribute.RUN_DIRECTION, TextAttribute.RUN_DIRECTION_RTL);
astr.addAttribute(TextAttribute.BIDI_EMBEDDING, new Integer(-3),
start,
limit);
Bidi bidi = new Bidi(astr.getIterator());
for (int i = 0; i < bidi.getRunCount(); ++i) {
System.out.println("run " + i + " from " + bidi.getRunStart(i) + " to " + bidi.getRunLimit(i) + " at level " + bidi.getRunLevel(i));
}
System.out.println(bidi + "\n");
if (bidi.getRunCount() != 6) { // runs of spaces and angles at embedding bound,s and final period, each get level 1 thrownew Error("Bidi embedding processing failed");
} else {
System.out.println("test2() passed.\n");
}
}
}
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