Examples with IntegerSum org.eclipse.collections.impl.math.IntegerSum used on opensource projects

Example 81 with IntegerSum

use of org.eclipse.collections.impl.math.IntegerSum in project eclipse-collections by eclipse.

the class LazyIterateTest method rejectIterator.

@Test
public void rejectIterator() {
    LazyIterable<Integer> select = LazyIterate.reject(Interval.oneTo(5), Predicates.lessThan(5));
    Sum sum = new IntegerSum(0);
    for (Integer each : select) {
        sum.add(each);
    }
    Assert.assertEquals(5, sum.getValue().intValue());
}

Example 82 with IntegerSum

use of org.eclipse.collections.impl.math.IntegerSum in project eclipse-collections by eclipse.

the class IterableIterateTest method injectIntoWithOver30.

@Test
public void injectIntoWithOver30() {
    Sum result = new IntegerSum(0);
    Integer parameter = 2;
    List<Integer> integers = Interval.oneTo(31);
    Function3<Sum, Integer, Integer, Sum> function = (sum, element, withValue) -> sum.add((element.intValue() - element.intValue()) * withValue.intValue());
    Sum sumOfDoubledValues = Iterate.injectIntoWith(result, integers, function, parameter);
    Assert.assertEquals(0, sumOfDoubledValues.getValue().intValue());
}

Example 83 with IntegerSum

use of org.eclipse.collections.impl.math.IntegerSum in project eclipse-collections by eclipse.

the class IntIntervalTest method forEachWithIndex.

@Test
public void forEachWithIndex() {
    IntegerSum sum = new IntegerSum(0);
    IntInterval.oneTo(5).forEachWithIndex((each, index) -> sum.add(each + index));
    Assert.assertEquals(25, sum.getIntSum());
    IntegerSum zeroSum = new IntegerSum(0);
    IntInterval.fromTo(0, -4).forEachWithIndex((each, index) -> zeroSum.add(each + index));
    Assert.assertEquals(0, zeroSum.getIntSum());
}

Example 84 with IntegerSum

use of org.eclipse.collections.impl.math.IntegerSum in project eclipse-collections by eclipse.

the class MapIterableTestCase method injectInto.

@Test
public void injectInto() {
    MapIterable<String, Integer> map = this.newMapWithKeysValues("1", 1, "2", 2, "3", 3, "4", 4);
    Integer actual = map.injectInto(0, AddFunction.INTEGER);
    Assert.assertEquals(Integer.valueOf(10), actual);
    Sum sum = map.injectInto(new IntegerSum(0), SumProcedure.number());
    Assert.assertEquals(new IntegerSum(10), sum);
}

Example 85 with IntegerSum

use of org.eclipse.collections.impl.math.IntegerSum in project eclipse-collections by eclipse.

the class FastListTest method testLazyRejectForEach.

/**
 * @deprecated since 3.0. Use {@code asLazy().reject(Predicate)} instead.
 */
@Deprecated
@Test
public void testLazyRejectForEach() {
    LazyIterable<Integer> select = FastList.newList(Interval.oneTo(5)).asLazy().reject(Predicates.lessThan(5));
    Sum sum = new IntegerSum(0);
    select.forEach(new SumProcedure<>(sum));
    Assert.assertEquals(5, sum.getValue().intValue());
}