@Test
public void testIsEqualTo() {
for (int i = 0; i < 100; i++) {
intColumn.add(i);
}
assertEquals(1, intColumn.isEqualTo(10).size());
}
@Test
public void testIsLessThan() {
for (int i = 0; i < 100; i++) {
intColumn.add(i);
}
assertEquals(50, intColumn.isLessThan(50).size());
}
@Test
public void testIsGreaterThan() {
for (int i = 0; i < 100; i++) {
intColumn.add(i);
}
assertEquals(49, intColumn.isGreaterThan(50).size());
}
@Test
public void testMax() {
for (int i = 0; i < 100; i++) {
intColumn.add(i);
}
assertEquals(99, intColumn.max(), .001);
}
@Test
public void testMin() {
for (int i = 0; i < 100; i++) {
intColumn.add(i);
}
assertEquals(0.0, intColumn.min(), .001);
}
@Test
public void testSum() {
for (int i = 0; i < 100; i++) {
intColumn.add(1);
}
assertEquals(100, intColumn.sum());
}
@Test
public void testPercents() {
for (int i = 0; i < 100; i++) {
intColumn.add(i);
}
FloatColumn floatColumn = intColumn.asRatio();
assertEquals(1.0, floatColumn.sum(), 0.1);
}
@Test
public void testIsLessThanOrEqualTo() {
for (int i = 0; i < 100; i++) {
intColumn.add(i);
}
assertEquals(51, intColumn.isLessThanOrEqualTo(50).size());
assertEquals(49, intColumn.isLessThanOrEqualTo(50).get(49));
}
@Test
public void testIsGreaterThanOrEqualTo() {
for (int i = 0; i < 100; i++) {
intColumn.add(i);
}
assertEquals(50, intColumn.isGreaterThanOrEqualTo(50).size());
assertEquals(50, intColumn.isGreaterThanOrEqualTo(50).get(0));
}
@Test
public void testSelectIf() {
for (int i = 0; i < 100; i++) {
intColumn.add(i);
}
IntPredicate predicate = value -> value < 10;
IntColumn column1 = intColumn.selectIf(predicate);
assertEquals(10, column1.size());
for (int i = 0; i < 10; i++) {
assertTrue(column1.get(i) < 10);
}
}
@Test
public void testIntIsIn() {
int[] originalValues = new int[] {32, 42, 40, 57, 52, -2};
int[] inValues = new int[] {10, -2, 57, -5};
IntColumn inColumn = IntColumn.create("In", new IntArrayList(inValues));
IntColumn initial = new IntColumn("Test", originalValues.length);
Table t = Table.create("t", initial);
for (int value : originalValues) {
initial.add(value);
}
Filter filter = column("Test").isIn(inColumn);
Table result = t.selectWhere(filter);
System.out.println(result.print());
}
@Test
public void testDifference() {
int[] originalValues = new int[] {32, 42, 40, 57, 52};
int[] expectedValues = new int[] {IntColumn.MISSING_VALUE, 10, -2, 17, -5};
IntColumn initial = new IntColumn("Test", originalValues.length);
for (int value : originalValues) {
initial.add(value);
}
IntColumn difference = initial.difference();
assertEquals(
"Both sets of data should be the same size.", expectedValues.length, difference.size());
for (int index = 0; index < difference.size(); index++) {
int actual = difference.get(index);
assertEquals(
"difference operation at index:" + index + " failed", expectedValues[index], actual);
}
}