protected long computeEstimatedMemorySize() {
long result = 0;
if (!textArray.isDirect()) result += (Character.SIZE / 8) * textArray.capacity();
result += (Integer.SIZE / 8) * textIndexArray.length;
result += (Double.SIZE / 8) * latlonArray.length;
return result;
}
public static void test(CharBuffer buff, CharBuffer slice) throws RuntimeException {
boolean marked = false;
try {
slice.reset();
marked = true;
} catch (InvalidMarkException ime) {
// expected
}
if (marked
|| slice.position() != 0
|| buff.remaining() != slice.limit()
|| buff.remaining() != slice.capacity()) {
throw new RuntimeException("Calling the CharBuffer.slice method failed.");
}
}
public static void main(String[] args) throws Exception {
System.out.println(">>> StringCharBufferSliceTest-main: testing the slice method...");
final String in = "for testing";
System.out.println(">>> StringCharBufferSliceTest-main: testing with the position 0.");
CharBuffer buff = CharBuffer.wrap(in);
test(buff, buff.slice());
System.out.println(">>> StringCharBufferSliceTest-main: testing with new position.");
buff.position(2);
test(buff, buff.slice());
System.out.println(
">>> StringCharBufferSliceTest-main: testing with non zero initial position.");
buff = CharBuffer.wrap(in, 3, in.length());
test(buff, buff.slice());
System.out.println(">>> StringCharBufferSliceTest-main: testing slice result with get()");
buff.position(4);
buff.limit(7);
CharBuffer slice = buff.slice();
for (int i = 0; i < 3; i++) {
if (slice.get() != buff.get()) {
throw new RuntimeException("Wrong characters in slice result.");
}
}
System.out.println(">>> StringCharBufferSliceTest-main: testing slice result with get(int)");
buff.position(4);
buff.limit(7);
slice = buff.slice();
for (int i = 0; i < 3; i++) {
if (slice.get(i) != buff.get(4 + i)) {
throw new RuntimeException("Wrong characters in slice result.");
}
}
System.out.println(">>> StringCharBufferSliceTest-main: testing slice with result of slice");
buff.position(0);
buff.limit(buff.capacity());
slice = buff.slice();
for (int i = 0; i < 4; i++) {
slice.position(i);
CharBuffer nextSlice = slice.slice();
if (nextSlice.position() != 0)
throw new RuntimeException("New buffer's position should be zero");
if (!nextSlice.equals(slice)) throw new RuntimeException("New buffer should be equal");
slice = nextSlice;
}
System.out.println(">>> StringCharBufferSliceTest-main: testing toString.");
buff.position(4);
buff.limit(7);
slice = buff.slice();
if (!slice.toString().equals("tes")) {
throw new RuntimeException("bad toString() after slice(): " + slice.toString());
}
System.out.println(">>> StringCharBufferSliceTest-main: testing subSequence.");
buff.position(4);
buff.limit(8);
slice = buff.slice();
CharSequence subSeq = slice.subSequence(1, 3);
if (subSeq.charAt(0) != 'e' || subSeq.charAt(1) != 's') {
throw new RuntimeException("bad subSequence() after slice(): '" + subSeq + "'");
}
System.out.println(">>> StringCharBufferSliceTest-main: testing duplicate.");
buff.position(4);
buff.limit(8);
slice = buff.slice();
CharBuffer dupe = slice.duplicate();
if (dupe.charAt(0) != 't'
|| dupe.charAt(1) != 'e'
|| dupe.charAt(2) != 's'
|| dupe.charAt(3) != 't') {
throw new RuntimeException("bad duplicate() after slice(): '" + dupe + "'");
}
System.out.println(">>> StringCharBufferSliceTest-main: done!");
}