@Test
public void toArray() {
ImmutableCollection<Integer> integers = this.classUnderTest();
MutableList<Integer> copy = FastList.newList(integers);
Assert.assertArrayEquals(integers.toArray(), copy.toArray());
Assert.assertArrayEquals(
integers.toArray(new Integer[integers.size()]), copy.toArray(new Integer[integers.size()]));
}
@Test
public void detectIfNone() {
ImmutableCollection<Integer> integers = this.classUnderTest();
Function0<Integer> function = new PassThruFunction0<Integer>(integers.size() + 1);
Assert.assertEquals(Integer.valueOf(1), integers.detectIfNone(Predicates.equal(1), function));
Assert.assertEquals(
Integer.valueOf(integers.size() + 1),
integers.detectIfNone(Predicates.equal(integers.size() + 1), function));
}
@Test
public void countWith() {
ImmutableCollection<Integer> integers = this.classUnderTest();
Assert.assertEquals(
integers.size(), integers.countWith(Predicates2.instanceOf(), Integer.class));
Assert.assertEquals(0, integers.countWith(Predicates2.instanceOf(), String.class));
}
@Test
public void detectWith() {
ImmutableCollection<Integer> integers = this.classUnderTest();
Assert.assertEquals(
Integer.valueOf(1), integers.detectWith(Predicates2.equal(), Integer.valueOf(1)));
Assert.assertNull(
integers.detectWith(Predicates2.equal(), Integer.valueOf(integers.size() + 1)));
}
@Test
public void collectShort() {
ImmutableCollection<Integer> integers = this.classUnderTest();
ImmutableShortCollection immutableCollection =
integers.collectShort(PrimitiveFunctions.unboxIntegerToShort());
Verify.assertSize(integers.size(), immutableCollection);
Assert.assertEquals(integers, immutableCollection.collect(Integer::valueOf));
}
@Test
public void collectLong() {
ImmutableCollection<Integer> integers = this.classUnderTest();
ImmutableLongCollection immutableCollection =
integers.collectLong(PrimitiveFunctions.unboxIntegerToLong());
Verify.assertSize(integers.size(), immutableCollection);
Assert.assertEquals(
integers,
immutableCollection.collect(longParameter -> Integer.valueOf((int) longParameter)));
}
@Test
public void getLast() {
ImmutableCollection<Integer> integers = this.classUnderTest();
Assert.assertEquals(Integer.valueOf(integers.size()), integers.getLast());
}
@Test
public void reject() {
ImmutableCollection<Integer> integers = this.classUnderTest();
Verify.assertIterableEmpty(integers.reject(Predicates.lessThan(integers.size() + 1)));
Assert.assertEquals(integers, integers.reject(Predicates.greaterThan(integers.size())));
}
