@Test
public void testPairsMatching() {
DoubleArrayList keyList = new DoubleArrayList();
List<TestClass> valueList = new ArrayList<TestClass>();
OpenDoubleObjectHashMap<TestClass> map = new OpenDoubleObjectHashMap<TestClass>();
map.put((double) 11, anotherItem2);
map.put((double) 12, anotherItem3);
map.put((double) 13, anotherItem4);
map.put((double) 14, anotherItem5);
map.removeKey((double) 13);
map.pairsMatching(
new DoubleObjectProcedure<TestClass>() {
@Override
public boolean apply(double first, TestClass second) {
return (first % 2) == 0;
}
},
keyList,
valueList);
keyList.sort();
Collections.sort(valueList);
assertEquals(2, keyList.size());
assertEquals(2, valueList.size());
assertEquals(12, keyList.get(0), (double) 0.000001);
assertEquals(14, keyList.get(1), (double) 0.000001);
assertSame(anotherItem3, valueList.get(0));
assertSame(anotherItem5, valueList.get(1));
}
@Test
public void testPairsMatching() {
ShortArrayList keyList = new ShortArrayList();
DoubleArrayList valueList = new DoubleArrayList();
OpenShortDoubleHashMap map = new OpenShortDoubleHashMap();
map.put((short) 11, (double) 22);
map.put((short) 12, (double) 23);
map.put((short) 13, (double) 24);
map.put((short) 14, (double) 25);
map.removeKey((short) 13);
map.pairsMatching(
new ShortDoubleProcedure() {
@Override
public boolean apply(short first, double second) {
return (first % 2) == 0;
}
},
keyList,
valueList);
keyList.sort();
valueList.sort();
assertEquals(2, keyList.size());
assertEquals(2, valueList.size());
assertEquals(12, keyList.get(0));
assertEquals(14, keyList.get(1));
assertEquals(23, valueList.get(0), (double) 0.000001);
assertEquals(25, valueList.get(1), (double) 0.000001);
}
/**
* Fills all keys contained in the receiver into the specified list. Fills the list, starting at
* index 0. After this call returns the specified list has a new size that equals
* <tt>this.size()</tt>. Iteration order is guaranteed to be <i>identical</i> to the order used by
* method {@link #forEachKey(DoubleProcedure)}.
*
* <p>This method can be used to iterate over the keys of the receiver.
*
* @param list the list to be filled, can have any size.
*/
@Override
public void keys(DoubleArrayList list) {
list.setSize(distinct);
double[] elements = list.elements();
int j = 0;
for (int i = table.length; i-- > 0; ) {
if (state[i] == FULL) {
elements[j++] = table[i];
}
}
}
/**
* Fills all pairs satisfying a given condition into the specified lists. Fills into the lists,
* starting at index 0. After this call returns the specified lists both have a new size, the
* number of pairs satisfying the condition. Iteration order is guaranteed to be <i>identical</i>
* to the order used by method {@link #forEachKey(DoubleProcedure)}.
*
* <p><b>Example:</b> <br>
*
* <pre>
* DoubleByteProcedure condition = new DoubleByteProcedure() { // match even values only
* public boolean apply(double key, byte value) { return value%2==0; }
* }
* keys = (8,7,6), values = (1,2,2) --> keyList = (6,8), valueList = (2,1)</tt>
* </pre>
*
* @param condition the condition to be matched. Takes the current key as first and the current
* value as second argument.
* @param keyList the list to be filled with keys, can have any size.
* @param valueList the list to be filled with values, can have any size.
*/
@Override
public void pairsMatching(
DoubleByteProcedure condition, DoubleArrayList keyList, ByteArrayList valueList) {
keyList.clear();
valueList.clear();
for (int i = table.length; i-- > 0; ) {
if (state[i] == FULL && condition.apply(table[i], values[i])) {
keyList.add(table[i]);
valueList.add(values[i]);
}
}
}
@Test
public void testKeysSortedByValue() {
OpenDoubleObjectHashMap<TestClass> map = new OpenDoubleObjectHashMap<TestClass>();
map.put((double) 11, anotherItem5);
map.put((double) 12, anotherItem4);
map.put((double) 13, anotherItem3);
map.put((double) 14, anotherItem2);
map.removeKey((double) 13);
DoubleArrayList keys = new DoubleArrayList();
map.keysSortedByValue(keys);
double[] keysArray = keys.toArray(new double[keys.size()]);
assertArrayEquals(new double[] {14, 12, 11}, keysArray, (double) 0.000001);
}
@Test
public void testKeys() {
OpenDoubleObjectHashMap<TestClass> map = new OpenDoubleObjectHashMap<TestClass>();
map.put((double) 11, item);
map.put((double) 12, item);
DoubleArrayList keys = new DoubleArrayList();
map.keys(keys);
keys.sort();
assertEquals(11, keys.get(0), (double) 0.000001);
assertEquals(12, keys.get(1), (double) 0.000001);
DoubleArrayList k2 = map.keys();
k2.sort();
assertEquals(keys, k2);
}
@Test
public void testValues() {
OpenShortDoubleHashMap map = new OpenShortDoubleHashMap();
map.put((short) 11, (double) 22);
map.put((short) 12, (double) 23);
map.put((short) 13, (double) 24);
map.put((short) 14, (double) 25);
map.removeKey((short) 13);
DoubleArrayList values = new DoubleArrayList(100);
map.values(values);
assertEquals(3, values.size());
values.sort();
assertEquals(22, values.get(0), (double) 0.000001);
assertEquals(23, values.get(1), (double) 0.000001);
assertEquals(25, values.get(2), (double) 0.000001);
}
/**
* Returns a string representation of the receiver, containing the String representation of each
* key-value pair, sorted ascending by key.
*/
public String toString() {
DoubleArrayList theKeys = keys();
// theKeys.sort();
StringBuilder buf = new StringBuilder();
buf.append('[');
int maxIndex = theKeys.size() - 1;
for (int i = 0; i <= maxIndex; i++) {
double key = theKeys.get(i);
buf.append(String.valueOf(key));
if (i < maxIndex) {
buf.append(", ");
}
}
buf.append(']');
return buf.toString();
}
@Test
public void testPairsSortedByValue() {
OpenDoubleObjectHashMap<TestClass> map = new OpenDoubleObjectHashMap<TestClass>();
map.put((double) 11, anotherItem5);
map.put((double) 12, anotherItem4);
map.put((double) 13, anotherItem3);
map.put((double) 14, anotherItem2);
DoubleArrayList keys = new DoubleArrayList();
List<TestClass> values = new ArrayList<TestClass>();
map.pairsSortedByValue(keys, values);
assertEquals((double) 11, keys.get(3), (double) 0.000001);
assertEquals(anotherItem5, values.get(3));
assertEquals((double) 12, keys.get(2), (double) 0.000001);
assertEquals(anotherItem4, values.get(2));
assertEquals((double) 13, keys.get(1), (double) 0.000001);
assertEquals(anotherItem3, values.get(1));
assertEquals((double) 14, keys.get(0), (double) 0.000001);
assertEquals(anotherItem2, values.get(0));
}
/**
* Fills all keys contained in the receiver into the specified list. Fills the list, starting at
* index 0. After this call returns the specified list has a new size that equals
* <tt>this.size()</tt>. Iteration order is guaranteed to be <i>identical</i> to the order used by
* method {@link #forEachKey(DoubleProcedure)}.
*
* <p>This method can be used to iterate over the keys of the receiver.
*
* @param list the list to be filled, can have any size.
*/
public void keys(final DoubleArrayList list) {
list.clear();
forEachKey(
new DoubleProcedure() {
@Override
public boolean apply(double key) {
list.add(key);
return true;
}
});
}
@Test
public void testForEachKey() {
final DoubleArrayList keys = new DoubleArrayList();
OpenDoubleObjectHashMap<TestClass> map = new OpenDoubleObjectHashMap<TestClass>();
map.put((double) 11, anotherItem);
map.put((double) 12, anotherItem2);
map.put((double) 13, anotherItem3);
map.put((double) 14, anotherItem4);
map.removeKey((double) 13);
map.forEachKey(
new DoubleProcedure() {
@Override
public boolean apply(double element) {
keys.add(element);
return true;
}
});
double[] keysArray = keys.toArray(new double[keys.size()]);
Arrays.sort(keysArray);
assertArrayEquals(new double[] {11, 12, 14}, keysArray, (double) 0.000001);
}
@Test
public void testPairsSortedByKey() {
OpenShortDoubleHashMap map = new OpenShortDoubleHashMap();
map.put((short) 11, (double) 100);
map.put((short) 12, (double) 70);
map.put((short) 13, (double) 30);
map.put((short) 14, (double) 3);
ShortArrayList keys = new ShortArrayList();
DoubleArrayList values = new DoubleArrayList();
map.pairsSortedByKey(keys, values);
assertEquals(4, keys.size());
assertEquals(4, values.size());
assertEquals((short) 11, keys.get(0));
assertEquals((double) 100, values.get(0), (double) 0.000001);
assertEquals((short) 12, keys.get(1));
assertEquals((double) 70, values.get(1), (double) 0.000001);
assertEquals((short) 13, keys.get(2));
assertEquals((double) 30, values.get(2), (double) 0.000001);
assertEquals((short) 14, keys.get(3));
assertEquals((double) 3, values.get(3), (double) 0.000001);
keys.clear();
values.clear();
map.pairsSortedByValue(keys, values);
assertEquals((short) 11, keys.get(3));
assertEquals((double) 100, values.get(3), (double) 0.000001);
assertEquals((short) 12, keys.get(2));
assertEquals((double) 70, values.get(2), (double) 0.000001);
assertEquals((short) 13, keys.get(1));
assertEquals((double) 30, values.get(1), (double) 0.000001);
assertEquals((short) 14, keys.get(0));
assertEquals((double) 3, values.get(0), (double) 0.000001);
}