@Test
public void testToSubArray() {
FastFloatBuffer buff = new FastFloatBuffer();
int total = SIZE + (SIZE / 2);
for (int i = 1; i <= total; i++) {
buff.append(i);
}
float[] array = buff.toArray(SIZE + 1, total - SIZE - 1);
assertEquals(total - SIZE - 1, array.length);
assertEquals(SIZE + 2, array[0], 0.1);
}
@Test
public void testToArray() {
FastFloatBuffer buff = new FastFloatBuffer();
int sum = 0;
for (int j = 0; j < COUNT; j++) {
for (int i = 1; i <= SIZE; i++) {
buff.append(i);
sum += i;
}
}
buff.append(173);
sum += 173;
float[] array = buff.toArray();
int sum2 = 0;
for (double l : array) {
sum2 += l;
}
assertEquals(sum, sum2);
array = buff.toArray(1, buff.size() - 2);
sum2 = 0;
for (double l : array) {
sum2 += l;
}
assertEquals(sum - 1 - 173, sum2);
}
@Test
public void testClear() {
FastFloatBuffer buff = new FastFloatBuffer();
assertTrue(buff.isEmpty());
buff.append(1);
assertFalse(buff.isEmpty());
buff.clear();
assertTrue(buff.isEmpty());
try {
buff.get(0);
fail();
} catch (IndexOutOfBoundsException ignore) {
}
float[] arr = buff.toArray();
assertEquals(0, arr.length);
}
@Test
public void testChunks() {
FastFloatBuffer buff = new FastFloatBuffer();
assertEquals(-1, buff.index());
assertEquals(0, buff.offset());
buff.append(1);
assertEquals(0, buff.index());
assertEquals(1, buff.offset());
buff.append(2);
assertEquals(2, buff.offset());
for (int i = 3; i <= SIZE; i++) {
buff.append(i);
}
assertEquals(0, buff.index());
assertEquals(SIZE, buff.offset());
buff.append(SIZE + 1);
assertEquals(1, buff.index());
assertEquals(1, buff.offset());
float[] a = buff.array(0);
for (int i = 1; i <= SIZE; i++) {
assertEquals(i, a[i - 1], 0.1);
}
}
@Test
public void testAppend() {
FastFloatBuffer buff = new FastFloatBuffer(3);
buff.append(buff);
buff.append(173);
buff.append(array(8, 98));
assertArrayEquals(array((float) 173, (float) 8, (float) 98), buff.toArray(), 0.1f);
buff.append(buff);
assertArrayEquals(
array((float) 173, (float) 8, (float) 98, (float) 173, (float) 8, (float) 98),
buff.toArray(),
0.1f);
buff.append(array(173, 5, 3), 1, 1);
assertArrayEquals(
array((float) 173, (float) 8, (float) 98, (float) 173, (float) 8, (float) 98, (float) 5),
buff.toArray(),
0.1f);
FastFloatBuffer buff2 = new FastFloatBuffer(3);
buff2.append(buff);
assertEquals(7, buff2.toArray().length);
}
@Test
public void testChunksOverflow() {
FastFloatBuffer buff = new FastFloatBuffer();
assertEquals(-1, buff.index());
assertEquals(0, buff.offset());
int sum = 0;
for (int j = 0; j < COUNT; j++) {
for (int i = 1; i <= SIZE; i++) {
buff.append(i);
sum += i;
}
}
assertEquals(15, buff.index());
assertEquals(1024, buff.offset());
buff.append(-1);
sum--;
assertEquals(16, buff.index());
assertEquals(1, buff.offset());
int sum2 = 0;
for (int i = 0; i < buff.size(); i++) {
sum2 += buff.get(i);
}
assertEquals(sum, sum2);
}