Beispiel #1
0
        public void TestIterationUChar32()
        {
            String text = "\u0061\u0062\ud841\udc02\u20ac\ud7ff\ud842\udc06\ud801\udc00\u0061";
            int    c;
            int    i;
            {
                UCharacterIterator iter = UCharacterIterator.GetInstance(text);

                String iterText = iter.GetText();
                if (!iterText.Equals(text))
                {
                    Errln("iter.getText() failed");
                }

                iter.Index = (1);
                if (iter.CurrentCodePoint != UTF16.CharAt(text, 1))
                {
                    Errln("Iterator didn't start out in the right place.");
                }

                iter.SetToStart();
                c = iter.CurrentCodePoint;
                i = 0;
                i = iter.MoveCodePointIndex(1);
                c = iter.CurrentCodePoint;
                if (c != UTF16.CharAt(text, 1) || i != 1)
                {
                    Errln("moveCodePointIndex(1) didn't work correctly expected " + Hex(c) + " got " + Hex(UTF16.CharAt(text, 1)) + " i= " + i);
                }

                i = iter.MoveCodePointIndex(2);
                c = iter.CurrentCodePoint;
                if (c != UTF16.CharAt(text, 4) || i != 4)
                {
                    Errln("moveCodePointIndex(2) didn't work correctly expected " + Hex(c) + " got " + Hex(UTF16.CharAt(text, 4)) + " i= " + i);
                }

                i = iter.MoveCodePointIndex(-2);
                c = iter.CurrentCodePoint;
                if (c != UTF16.CharAt(text, 1) || i != 1)
                {
                    Errln("moveCodePointIndex(-2) didn't work correctly expected " + Hex(c) + " got " + Hex(UTF16.CharAt(text, 1)) + " i= " + i);
                }

                iter.SetToLimit();
                i = iter.MoveCodePointIndex(-2);
                c = iter.CurrentCodePoint;
                if (c != UTF16.CharAt(text, (text.Length - 3)) || i != (text.Length - 3))
                {
                    Errln("moveCodePointIndex(-2) didn't work correctly expected " + Hex(c) + " got " + Hex(UTF16.CharAt(text, (text.Length - 3))) + " i= " + i);
                }

                iter.SetToStart();
                c = iter.CurrentCodePoint;
                i = 0;

                //testing first32PostInc, nextCodePointPostInc, setTostart
                i = 0;
                iter.SetToStart();
                c = iter.Next();
                if (c != UTF16.CharAt(text, i))
                {
                    Errln("first32PostInc failed.  Expected->" + Hex(UTF16.CharAt(text, i)) + " Got-> " + Hex(c));
                }
                if (iter.Index != UTF16.GetCharCount(c) + i)
                {
                    Errln("getIndex() after first32PostInc() failed");
                }

                iter.SetToStart();
                i = 0;
                if (iter.Index != 0)
                {
                    Errln("setToStart failed");
                }

                Logln("Testing forward iteration...");
                do
                {
                    if (c != UCharacterIterator.DONE)
                    {
                        c = iter.NextCodePoint();
                    }

                    if (c != UTF16.CharAt(text, i))
                    {
                        Errln("Character mismatch at position " + i + ", iterator has " + Hex(c) + ", string has " + Hex(UTF16.CharAt(text, i)));
                    }

                    i += UTF16.GetCharCount(c);
                    if (iter.Index != i)
                    {
                        Errln("getIndex() aftr nextCodePointPostInc() isn't working right");
                    }
                    c = iter.CurrentCodePoint;
                    if (c != UCharacterIterator.DONE && c != UTF16.CharAt(text, i))
                    {
                        Errln("current() after nextCodePointPostInc() isn't working right");
                    }
                } while (c != UCharacterIterator.DONE);
                c = iter.NextCodePoint();
                if (c != UCharacterIterator.DONE)
                {
                    Errln("nextCodePointPostInc() didn't return DONE at the beginning");
                }
            }
        }