roc/compiler/test_gen/src/gen_set.rs

#![cfg(test)]

use crate::assert_evals_to;
use indoc::indoc;
use roc_std::RocList;

#[test]
fn empty_len() {
    assert_evals_to!(
        indoc!(
            r#"
            Set.len Set.empty
            "#
        ),
        0,
        usize
    );
}

#[test]
fn single_len() {
    assert_evals_to!(
        indoc!(
            r#"
            Set.len (Set.single 42)
            "#
        ),
        1,
        usize
    );
}

#[test]
fn single_to_list() {
    assert_evals_to!(
        indoc!(
            r#"
            Set.toList (Set.single 42)
            "#
        ),
        RocList::from_slice(&[42]),
        RocList<i64>
    );

    assert_evals_to!(
        indoc!(
            r#"
            Set.toList (Set.single 1)
            "#
        ),
        RocList::from_slice(&[1]),
        RocList<i64>
    );

    assert_evals_to!(
        indoc!(
            r#"
            Set.toList (Set.single 1.0)
            "#
        ),
        RocList::from_slice(&[1.0]),
        RocList<f64>
    );
}

#[test]
fn insert() {
    assert_evals_to!(
        indoc!(
            r#"
            Set.empty
                |> Set.insert 0
                |> Set.insert 1
                |> Set.insert 2
                |> Set.toList
            "#
        ),
        RocList::from_slice(&[0, 1, 2]),
        RocList<i64>
    );
}

#[test]
fn remove() {
    assert_evals_to!(
        indoc!(
            r#"
            Set.empty
                |> Set.insert 0
                |> Set.insert 1
                |> Set.remove 1
                |> Set.remove 2
                |> Set.toList
            "#
        ),
        RocList::from_slice(&[0]),
        RocList<i64>
    );
}

#[test]
fn union() {
    assert_evals_to!(
        indoc!(
            r#"
            set1 : Set I64
            set1 = Set.fromList [1,2]

            set2 : Set I64
            set2 = Set.fromList [1,3,4] 

            Set.union set1 set2
                |> Set.toList
            "#
        ),
        RocList::from_slice(&[4, 2, 3, 1]),
        RocList<i64>
    );
}

#[test]
fn difference() {
    assert_evals_to!(
        indoc!(
            r#"
            set1 : Set I64
            set1 = Set.fromList [1,2]

            set2 : Set I64
            set2 = Set.fromList [1,3,4] 

            Set.difference set1 set2
                |> Set.toList
            "#
        ),
        RocList::from_slice(&[2]),
        RocList<i64>
    );
}

#[test]
fn intersection() {
    assert_evals_to!(
        indoc!(
            r#"
            set1 : Set I64
            set1 = Set.fromList [1,2]

            set2 : Set I64
            set2 = Set.fromList [1,3,4] 

            Set.intersection set1 set2
                |> Set.toList
            "#
        ),
        RocList::from_slice(&[1]),
        RocList<i64>
    );
}

#[test]
fn walk_sum() {
    assert_evals_to!(
        indoc!(
            r#"
            Set.walk (Set.fromList [1,2,3]) (\x, y -> x + y) 0
            "#
        ),
        6,
        i64
    );
}

#[test]
fn contains() {
    assert_evals_to!(
        indoc!(
            r#"
            Set.contains (Set.fromList [1,3,4]) 4
            "#
        ),
        true,
        bool
    );

    assert_evals_to!(
        indoc!(
            r#"
            Set.contains (Set.fromList [1,3,4]) 2
            "#
        ),
        false,
        bool
    );
}

#[test]
fn from_list() {
    assert_evals_to!(
        indoc!(
            r#"
            [1,2,2,3,1,4]
                |> Set.fromList
                |> Set.toList
            "#
        ),
        RocList::from_slice(&[4, 2, 3, 1]),
        RocList<i64>
    );

    assert_evals_to!(
        indoc!(
            r#"
            []
                |> Set.fromList
                |> Set.toList
            "#
        ),
        RocList::default(),
        RocList<i64>
    );

    assert_evals_to!(
        indoc!(
            r#"
            empty : List I64
            empty = []

            empty
                |> Set.fromList
                |> Set.toList
            "#
        ),
        RocList::default(),
        RocList<i64>
    );
}