(int location, Collection<? extends E> collection)
| 179 | /// |
| 180 | /// - `IndexOutOfBoundsException`: when `location size()` |
| 181 | @Override |
| 182 | public boolean addAll(int location, Collection<? extends E> collection) { |
| 183 | if (location < 0 || location > size) { |
| 184 | throw new IndexOutOfBoundsException("" + location + " out of: " + size); |
| 185 | } |
| 186 | |
| 187 | Object[] dumparray = toObjectArray(collection); |
| 188 | int growSize = dumparray.length; |
| 189 | // REVIEW: Why do this check here rather than check |
| 190 | // collection.size() earlier? RI behaviour? |
| 191 | if (growSize == 0) { |
| 192 | return false; |
| 193 | } |
| 194 | |
| 195 | if (location == 0) { |
| 196 | growAtFront(growSize); |
| 197 | firstIndex -= growSize; |
| 198 | } else if (location == size) { |
| 199 | if (firstIndex + size > array.length - growSize) { |
| 200 | growAtEnd(growSize); |
| 201 | } |
| 202 | } else { // must be case: (0 < location && location < size) |
| 203 | if (array.length - size < growSize) { |
| 204 | growForInsert(location, growSize); |
| 205 | } else if (firstIndex + size > array.length - growSize |
| 206 | || (firstIndex > 0 && location < size / 2)) { |
| 207 | int newFirst = firstIndex - growSize; |
| 208 | if (newFirst < 0) { |
| 209 | int index = location + firstIndex; |
| 210 | System.arraycopy(array, index, array, index - newFirst, |
| 211 | size - location); |
| 212 | newFirst = 0; |
| 213 | } |
| 214 | System.arraycopy(array, firstIndex, array, newFirst, location); |
| 215 | firstIndex = newFirst; |
| 216 | } else { |
| 217 | int index = location + firstIndex; |
| 218 | System.arraycopy(array, index, array, index + growSize, size |
| 219 | - location); |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | System.arraycopy(dumparray, 0, this.array, location + firstIndex, |
| 224 | growSize); |
| 225 | size += growSize; |
| 226 | modCount++; |
| 227 | return true; |
| 228 | } |
| 229 | |
| 230 | /// Adds the objects in the specified collection to this `ArrayList`. |
| 231 | /// |
no test coverage detected