public void testEveryMapShape() {
assertCountSum(
StreamSupport.stream(countTo(1000))
.mapToInt(i -> i - 1)
.mapToObj(i -> i + 1)
.mapToLong(i -> i - 1)
.mapToObj(i -> i + 1)
.mapToDouble(i -> i - 1)
.mapToObj(i -> i + 1)
.mapToInt(i -> (int) (double) i)
.mapToLong(i -> i)
.mapToDouble(i -> i)
.mapToLong(i -> (long) i)
.mapToInt(i -> (int) i)
.mapToObj(i -> i),
1000,
StreamSupport.stream(countTo(1000)).mapToInt(i -> i).sum());
}
public void testMap() {
assertCountSum(StreamSupport.stream(countTo(0)).map(mId), 0, 0);
assertCountSum(StreamSupport.stream(countTo(10)).map(mId), 10, 55);
assertCountSum(StreamSupport.stream(countTo(10)).map(mZero), 10, 0);
assertCountSum(StreamSupport.stream(countTo(0)).map(mDoubler), 0, 0);
assertCountSum(StreamSupport.stream(countTo(10)).map(mDoubler), 10, 110);
assertCountSum(StreamSupport.stream(countTo(10)).map(mDoubler).map(mDoubler), 10, 220);
exerciseOps(countTo(0), s -> s.map(LambdaTestHelpers.identity()), countTo(0));
exerciseOps(countTo(1000), s -> s.map(LambdaTestHelpers.identity()), countTo(1000));
// @@@ Force cast to integer so output is Stream<Integer> rather an IntStream
// this just ensures that no warnings are logged about boxing
// when the result is compared with the output
exerciseOps(countTo(1000), s -> s.map(e -> (Integer) (1000 + e)), range(1001, 2000));
}