roc/compiler/test_gen/src/gen_list.rs
2021-10-26 22:45:32 +02:00

2130 lines
50 KiB
Rust

#![cfg(test)]
use crate::assert_evals_to;
use crate::helpers::with_larger_debug_stack;
//use crate::assert_wasm_evals_to as assert_evals_to;
use core::ffi::c_void;
use indoc::indoc;
use roc_std::{RocList, RocStr};
#[no_mangle]
pub unsafe fn roc_alloc(size: usize, _alignment: u32) -> *mut c_void {
libc::malloc(size)
}
#[no_mangle]
pub unsafe fn roc_realloc(
c_ptr: *mut c_void,
new_size: usize,
_old_size: usize,
_alignment: u32,
) -> *mut c_void {
libc::realloc(c_ptr, new_size)
}
#[no_mangle]
pub unsafe fn roc_dealloc(c_ptr: *mut c_void, _alignment: u32) {
libc::free(c_ptr)
}
#[no_mangle]
pub unsafe fn roc_panic(c_ptr: *mut c_void, tag_id: u32) {
use roc_gen_llvm::llvm::build::PanicTagId;
use libc::c_char;
use std::convert::TryFrom;
use std::ffi::CStr;
match PanicTagId::try_from(tag_id) {
Ok(PanicTagId::NullTerminatedString) => {
let slice = CStr::from_ptr(c_ptr as *const c_char);
let string = slice.to_str().unwrap();
eprintln!("Roc hit a panic: {}", string);
std::process::exit(1);
}
Err(_) => unreachable!(),
}
}
#[test]
fn roc_list_construction() {
let list = RocList::from_slice(&[1i64; 23]);
assert_eq!(&list, &list);
}
#[test]
fn empty_list_literal() {
assert_evals_to!("[]", RocList::from_slice(&[]), RocList<i64>);
}
#[test]
fn list_literal_empty_record() {
assert_evals_to!("[{}]", RocList::from_slice(&[()]), RocList<()>);
}
#[test]
fn int_singleton_list_literal() {
assert_evals_to!("[1, 2]", RocList::from_slice(&[1, 2]), RocList<i64>);
}
#[test]
fn int_list_literal() {
assert_evals_to!("[ 12, 9 ]", RocList::from_slice(&[12, 9]), RocList<i64>);
assert_evals_to!(
"[ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 ]",
RocList::from_slice(&[1i64; 23]),
RocList<i64>
);
}
#[test]
fn bool_list_literal() {
// NOTE: make sure to explicitly declare the elements to be of type bool, or
// use both True and False; only using one of them causes the list to in practice be
// of type `List [ True ]` or `List [ False ]`, those are tag unions with one constructor
// and not fields, and don't have a runtime representation.
assert_evals_to!(
indoc!(
r#"
false : Bool
false = False
[ false ]
"#
),
RocList::from_slice(&[false; 1]),
RocList<bool>
);
assert_evals_to!(
"[ True, False, True ]",
RocList::from_slice(&[true, false, true]),
RocList<bool>
);
assert_evals_to!(
indoc!(
r#"
false : Bool
false = False
[false ]
"#
),
RocList::from_slice(&[false; 1]),
RocList<bool>
);
assert_evals_to!(
indoc!(
r#"
true : Bool
true = True
List.repeat 23 true
"#
),
RocList::from_slice(&[true; 23]),
RocList<bool>
);
assert_evals_to!(
indoc!(
r#"
true : Bool
true = True
List.repeat 23 { x: true, y: true }
"#
),
RocList::from_slice(&[[true, true]; 23]),
RocList<[bool; 2]>
);
assert_evals_to!(
indoc!(
r#"
true : Bool
true = True
List.repeat 23 { x: true, y: true, a: true, b: true, c: true, d : true, e: true, f: true }
"#
),
RocList::from_slice(&[[true, true, true, true, true, true, true, true]; 23]),
RocList<[bool; 8]>
);
}
#[test]
fn variously_sized_list_literals() {
assert_evals_to!("[]", RocList::from_slice(&[]), RocList<i64>);
assert_evals_to!("[1]", RocList::from_slice(&[1]), RocList<i64>);
assert_evals_to!("[1, 2]", RocList::from_slice(&[1, 2]), RocList<i64>);
assert_evals_to!("[1, 2, 3]", RocList::from_slice(&[1, 2, 3]), RocList<i64>);
assert_evals_to!(
"[1, 2, 3, 4]",
RocList::from_slice(&[1, 2, 3, 4]),
RocList<i64>
);
assert_evals_to!(
"[1, 2, 3, 4, 5]",
RocList::from_slice(&[1, 2, 3, 4, 5]),
RocList<i64>
);
}
#[test]
fn list_append() {
assert_evals_to!(
"List.append [1] 2",
RocList::from_slice(&[1, 2]),
RocList<i64>
);
assert_evals_to!(
"List.append [1, 1] 2",
RocList::from_slice(&[1, 1, 2]),
RocList<i64>
);
}
#[test]
fn list_drop() {
assert_evals_to!(
"List.drop [1,2,3] 2",
RocList::from_slice(&[3]),
RocList<i64>
);
assert_evals_to!("List.drop [] 1", RocList::from_slice(&[]), RocList<i64>);
assert_evals_to!("List.drop [1,2] 5", RocList::from_slice(&[]), RocList<i64>);
}
#[test]
fn list_drop_at() {
assert_evals_to!(
"List.dropAt [1, 2, 3] 0",
RocList::from_slice(&[2, 3]),
RocList<i64>
);
assert_evals_to!(
"List.dropAt [0, 0, 0] 3",
RocList::from_slice(&[0, 0, 0]),
RocList<i64>
);
assert_evals_to!("List.dropAt [] 1", RocList::from_slice(&[]), RocList<i64>);
assert_evals_to!("List.dropAt [0] 0", RocList::from_slice(&[]), RocList<i64>);
}
#[test]
fn list_drop_at_shared() {
assert_evals_to!(
indoc!(
r#"
list : List I64
list = [ if True then 4 else 4, 5, 6 ]
{ newList: List.dropAt list 0, original: list }
"#
),
(
// new_list
RocList::from_slice(&[5, 6]),
// original
RocList::from_slice(&[4, 5, 6]),
),
(RocList<i64>, RocList<i64>,)
);
}
#[test]
fn list_drop_last() {
assert_evals_to!(
"List.dropLast [1, 2, 3]",
RocList::from_slice(&[1, 2]),
RocList<i64>
);
assert_evals_to!("List.dropLast []", RocList::from_slice(&[]), RocList<i64>);
assert_evals_to!("List.dropLast [0]", RocList::from_slice(&[]), RocList<i64>);
}
#[test]
fn list_drop_last_mutable() {
assert_evals_to!(
indoc!(
r#"
list : List I64
list = [ if True then 4 else 4, 5, 6 ]
{ newList: List.dropLast list, original: list }
"#
),
(
// new_list
RocList::from_slice(&[4, 5]),
// original
RocList::from_slice(&[4, 5, 6]),
),
(RocList<i64>, RocList<i64>,)
);
}
#[test]
fn list_swap() {
assert_evals_to!("List.swap [] 0 1", RocList::from_slice(&[]), RocList<i64>);
assert_evals_to!(
"List.swap [ 0 ] 1 2",
RocList::from_slice(&[0]),
RocList<i64>
);
assert_evals_to!(
"List.swap [ 1, 2 ] 0 1",
RocList::from_slice(&[2, 1]),
RocList<i64>
);
assert_evals_to!(
"List.swap [ 1, 2 ] 1 0",
RocList::from_slice(&[2, 1]),
RocList<i64>
);
assert_evals_to!(
"List.swap [ 0, 1, 2, 3, 4, 5 ] 2 4",
RocList::from_slice(&[0, 1, 4, 3, 2, 5]),
RocList<i64>
);
assert_evals_to!(
"List.swap [ 0, 1, 2 ] 1 3",
RocList::from_slice(&[0, 1, 2]),
RocList<i64>
);
assert_evals_to!(
"List.swap [ 1, 2, 3 ] 1 1",
RocList::from_slice(&[1, 2, 3]),
RocList<i64>
);
}
#[test]
fn list_append_to_empty_list() {
assert_evals_to!("List.append [] 3", RocList::from_slice(&[3]), RocList<i64>);
}
#[test]
fn list_append_to_empty_list_of_int() {
assert_evals_to!(
indoc!(
r#"
initThrees : List I64
initThrees =
[]
List.append (List.append initThrees 3) 3
"#
),
RocList::from_slice(&[3, 3]),
RocList<i64>
);
}
#[test]
fn list_append_bools() {
assert_evals_to!(
"List.append [ True, False ] True",
RocList::from_slice(&[true, false, true]),
RocList<bool>
);
}
#[test]
fn list_append_longer_list() {
assert_evals_to!(
"List.append [ 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 ] 23",
RocList::from_slice(&[11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23]),
RocList<i64>
);
}
#[test]
fn list_prepend() {
assert_evals_to!("List.prepend [] 1", RocList::from_slice(&[1]), RocList<i64>);
assert_evals_to!(
"List.prepend [2] 1",
RocList::from_slice(&[1, 2]),
RocList<i64>
);
assert_evals_to!(
indoc!(
r#"
init : List I64
init =
[]
List.prepend (List.prepend init 4) 6
"#
),
RocList::from_slice(&[6, 4]),
RocList<i64>
);
assert_evals_to!(
indoc!(
r#"
init : List Str
init =
["foo"]
List.prepend init "bar"
"#
),
RocList::from_slice(&[RocStr::from_slice(b"bar"), RocStr::from_slice(b"foo"),]),
RocList<RocStr>
);
}
#[test]
fn list_prepend_bools() {
assert_evals_to!(
"List.prepend [ True, False ] True",
RocList::from_slice(&[true, true, false]),
RocList<bool>
);
}
#[test]
fn list_prepend_big_list() {
assert_evals_to!(
"List.prepend [ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 100, 100, 100, 100 ] 9",
RocList::from_slice(&[
9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 100, 100, 100, 100
]),
RocList<i64>
);
}
#[test]
fn list_walk_backwards_empty_all_inline() {
assert_evals_to!(
indoc!(
r#"
List.walkBackwards [0x1] 0 \state, elem -> state + elem
"#
),
1,
i64
);
assert_evals_to!(
indoc!(
r#"
empty : List I64
empty =
[]
List.walkBackwards empty 0 \state, elem -> state + elem
"#
),
0,
i64
);
}
#[test]
fn list_walk_backwards_with_str() {
assert_evals_to!(
r#"List.walkBackwards [ "x", "y", "z" ] "<" Str.concat"#,
RocStr::from("<zyx"),
RocStr
);
assert_evals_to!(
r#"List.walkBackwards [ "Second", "Third", "Fourth" ] "First" Str.concat"#,
RocStr::from("FirstFourthThirdSecond"),
RocStr
);
}
#[test]
fn list_walk_backwards_with_record() {
assert_evals_to!(
indoc!(
r#"
Bit : [ Zero, One ]
byte : List Bit
byte = [ Zero, One, Zero, One, Zero, Zero, One, Zero ]
initialCounts = { zeroes: 0, ones: 0 }
acc = \r, b ->
when b is
Zero -> { r & zeroes: r.zeroes + 1 }
One -> { r & ones: r.ones + 1 }
finalCounts = List.walkBackwards byte initialCounts acc
finalCounts.ones * 10 + finalCounts.zeroes
"#
),
35,
i64
);
}
#[test]
fn list_walk_with_str() {
assert_evals_to!(
r#"List.walk [ "x", "y", "z" ] "<" Str.concat"#,
RocStr::from("<xyz"),
RocStr
);
assert_evals_to!(
r#"List.walk [ "Second", "Third", "Fourth" ] "First" Str.concat"#,
RocStr::from("FirstSecondThirdFourth"),
RocStr
);
}
#[test]
fn list_walk_subtraction() {
assert_evals_to!(r#"List.walk [ 1, 2 ] 1 Num.sub"#, (1 - 1) - 2, i64);
}
#[test]
fn list_walk_until_sum() {
assert_evals_to!(
r#"List.walkUntil [ 1, 2 ] 0 \a,b -> Continue (a + b)"#,
3,
i64
);
}
#[test]
fn list_walk_until_even_prefix_sum() {
assert_evals_to!(
r#"
helper = \a, b ->
if Num.isEven b then
Continue (a + b)
else
Stop a
List.walkUntil [ 2, 4, 8, 9 ] 0 helper"#,
2 + 4 + 8,
i64
);
}
#[test]
fn list_keep_if_empty_list_of_int() {
assert_evals_to!(
indoc!(
r#"
empty : List I64
empty =
[]
List.keepIf empty \_ -> True
"#
),
RocList::from_slice(&[]),
RocList<i64>
);
}
#[test]
fn list_keep_if_empty_list() {
assert_evals_to!(
indoc!(
r#"
alwaysTrue : I64 -> Bool
alwaysTrue = \_ ->
True
List.keepIf [] alwaysTrue
"#
),
RocList::from_slice(&[]),
RocList<i64>
);
}
#[test]
fn list_keep_if_always_true_for_non_empty_list() {
assert_evals_to!(
indoc!(
r#"
alwaysTrue : I64 -> Bool
alwaysTrue = \_ ->
True
oneThroughEight : List I64
oneThroughEight =
[1,2,3,4,5,6,7,8]
List.keepIf oneThroughEight alwaysTrue
"#
),
RocList::from_slice(&[1, 2, 3, 4, 5, 6, 7, 8]),
RocList<i64>
);
}
#[test]
fn list_keep_if_always_false_for_non_empty_list() {
assert_evals_to!(
indoc!(
r#"
alwaysFalse : I64 -> Bool
alwaysFalse = \_ ->
False
List.keepIf [1,2,3,4,5,6,7,8] alwaysFalse
"#
),
RocList::from_slice(&[]),
RocList<i64>
);
}
#[test]
fn list_keep_if_one() {
assert_evals_to!(
indoc!(
r#"
intIsLessThanThree : I64 -> Bool
intIsLessThanThree = \i ->
i < 3
List.keepIf [1,2,3,4,5,6,7,8] intIsLessThanThree
"#
),
RocList::from_slice(&[1, 2]),
RocList<i64>
);
}
#[test]
fn list_keep_if_str_is_hello() {
assert_evals_to!(
indoc!(
r#"
List.keepIf ["x", "y", "x"] (\x -> x == "x")
"#
),
RocList::from_slice(&[
RocStr::from_slice("x".as_bytes()),
RocStr::from_slice("x".as_bytes())
]),
RocList<RocStr>
);
}
#[test]
fn list_map_on_empty_list_with_int_layout() {
assert_evals_to!(
indoc!(
r#"
empty : List I64
empty =
[]
List.map empty (\x -> x)
"#
),
RocList::from_slice(&[]),
RocList<i64>
);
}
#[test]
fn list_map_on_non_empty_list() {
assert_evals_to!(
indoc!(
r#"
nonEmpty : List I64
nonEmpty =
[ 1 ]
List.map nonEmpty (\x -> x)
"#
),
RocList::from_slice(&[1]),
RocList<i64>
);
}
#[test]
fn list_map_changes_input() {
assert_evals_to!(
indoc!(
r#"
nonEmpty : List I64
nonEmpty =
[ 1 ]
List.map nonEmpty (\x -> x + 1)
"#
),
RocList::from_slice(&[2]),
RocList<i64>
);
}
#[test]
fn list_map_on_big_list() {
assert_evals_to!(
indoc!(
r#"
nonEmpty : List I64
nonEmpty =
[ 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5 ]
List.map nonEmpty (\x -> x * 2)
"#
),
RocList::from_slice(&[
2, 4, 6, 8, 10, 2, 4, 6, 8, 10, 2, 4, 6, 8, 10, 2, 4, 6, 8, 10, 2, 4, 6, 8, 10
]),
RocList<i64>
);
}
#[test]
fn list_map_with_type_change() {
assert_evals_to!(
indoc!(
r#"
nonEmpty : List I64
nonEmpty =
[ 1, 1, -4, 1, 2 ]
List.map nonEmpty (\x -> x > 0)
"#
),
RocList::from_slice(&[true, true, false, true, true]),
RocList<bool>
);
}
#[test]
fn list_map_using_defined_function() {
assert_evals_to!(
indoc!(
r#"
nonEmpty : List I64
nonEmpty =
[ 2, 2, -4, 2, 3 ]
greaterThanOne : I64 -> Bool
greaterThanOne = \i ->
i > 1
List.map nonEmpty greaterThanOne
"#
),
RocList::from_slice(&[true, true, false, true, true]),
RocList<bool>
);
}
#[test]
fn list_map_all_inline() {
assert_evals_to!(
indoc!(
r#"
List.map [] (\x -> x > 0)
"#
),
RocList::from_slice(&[]),
RocList<bool>
);
}
#[test]
fn list_map_closure() {
assert_evals_to!(
indoc!(
r#"
pi : F64
pi = 3.14
single : List F64
single =
[ 0 ]
List.map single (\x -> x + pi)
"#
),
RocList::from_slice(&[3.14]),
RocList<f64>
);
}
#[test]
fn list_map3_group() {
assert_evals_to!(
indoc!(
r#"
List.map3 [1,2,3] [3,2,1] [2,1,3] (\a, b, c -> Group a b c)
"#
),
RocList::from_slice(&[(1, 3, 2), (2, 2, 1), (3, 1, 3)]),
RocList<(i64, i64, i64)>
);
}
#[test]
fn list_map3_different_length() {
assert_evals_to!(
indoc!(
r#"
List.map3
["a", "b", "d"]
["b", "x"]
["c"]
(\a, b, c -> Str.concat a (Str.concat b c))
"#
),
RocList::from_slice(&[RocStr::from_slice("abc".as_bytes()),]),
RocList<RocStr>
);
}
#[test]
fn list_map2_pair() {
assert_evals_to!(
indoc!(
r#"
f = (\a,b -> Pair a b)
List.map2 [1,2,3] [3,2,1] f
"#
),
RocList::from_slice(&[(1, 3), (2, 2), (3, 1)]),
RocList<(i64, i64)>
);
}
#[test]
fn list_map2_different_lengths() {
assert_evals_to!(
indoc!(
r#"
List.map2
["a", "b", "lllllllllllllongnggg" ]
["b"]
(\a, b -> Str.concat a b)
"#
),
RocList::from_slice(&[RocStr::from_slice("ab".as_bytes()),]),
RocList<RocStr>
);
}
#[test]
fn list_join_empty_list() {
assert_evals_to!("List.join []", RocList::from_slice(&[]), RocList<i64>);
}
#[test]
fn list_join_one_list() {
assert_evals_to!(
"List.join [ [1, 2, 3 ] ]",
RocList::from_slice(&[1, 2, 3]),
RocList<i64>
);
}
#[test]
fn list_join_two_non_empty_lists() {
assert_evals_to!(
"List.join [ [1, 2, 3 ] , [4 ,5, 6] ]",
RocList::from_slice(&[1, 2, 3, 4, 5, 6]),
RocList<i64>
);
}
#[test]
fn list_join_two_non_empty_lists_of_float() {
assert_evals_to!(
"List.join [ [ 1.2, 1.1 ], [ 2.1, 2.2 ] ]",
RocList::from_slice(&[1.2, 1.1, 2.1, 2.2]),
RocList<f64>
);
}
#[test]
fn list_join_to_big_list() {
assert_evals_to!(
indoc!(
r#"
List.join
[
[ 1.2, 1.1 ],
[ 2.1, 2.2 ],
[ 3.0, 4.0, 5.0, 6.1, 9.0 ],
[ 3.0, 4.0, 5.0, 6.1, 9.0 ],
[ 3.0, 4.0, 5.0, 6.1, 9.0 ],
[ 3.0, 4.0, 5.0, 6.1, 9.0 ],
[ 3.0, 4.0, 5.0, 6.1, 9.0 ]
]
"#
),
RocList::from_slice(&[
1.2, 1.1, 2.1, 2.2, 3.0, 4.0, 5.0, 6.1, 9.0, 3.0, 4.0, 5.0, 6.1, 9.0, 3.0, 4.0, 5.0,
6.1, 9.0, 3.0, 4.0, 5.0, 6.1, 9.0, 3.0, 4.0, 5.0, 6.1, 9.0
]),
RocList<f64>
);
}
#[test]
fn list_join_defined_empty_list() {
assert_evals_to!(
indoc!(
r#"
empty : List F64
empty =
[]
List.join [ [ 0.2, 11.11 ], empty ]
"#
),
RocList::from_slice(&[0.2, 11.11]),
RocList<f64>
);
}
#[test]
fn list_join_all_empty_lists() {
assert_evals_to!(
"List.join [ [], [], [] ]",
RocList::from_slice(&[]),
RocList<f64>
);
}
#[test]
fn list_join_one_empty_list() {
assert_evals_to!(
"List.join [ [ 1.2, 1.1 ], [] ]",
RocList::from_slice(&[1.2, 1.1]),
RocList<f64>
);
}
#[test]
fn list_single() {
assert_evals_to!("List.single 1", RocList::from_slice(&[1]), RocList<i64>);
assert_evals_to!("List.single 5.6", RocList::from_slice(&[5.6]), RocList<f64>);
}
#[test]
fn list_repeat() {
assert_evals_to!(
"List.repeat 5 1",
RocList::from_slice(&[1, 1, 1, 1, 1]),
RocList<i64>
);
assert_evals_to!(
"List.repeat 4 2",
RocList::from_slice(&[2, 2, 2, 2]),
RocList<i64>
);
assert_evals_to!(
"List.repeat 2 []",
RocList::from_slice(&[RocList::default(), RocList::default()]),
RocList<RocList<i64>>
);
assert_evals_to!(
indoc!(
r#"
noStrs : List Str
noStrs =
[]
List.repeat 2 noStrs
"#
),
RocList::from_slice(&[RocList::default(), RocList::default()]),
RocList<RocList<i64>>
);
assert_evals_to!(
"List.repeat 15 4",
RocList::from_slice(&[4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]),
RocList<i64>
);
}
#[test]
fn list_reverse() {
assert_evals_to!(
"List.reverse [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 ]",
RocList::from_slice(&[12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1]),
RocList<i64>
);
assert_evals_to!(
"List.reverse [1, 2, 3]",
RocList::from_slice(&[3, 2, 1]),
RocList<i64>
);
assert_evals_to!("List.reverse [4]", RocList::from_slice(&[4]), RocList<i64>);
}
#[test]
fn list_reverse_empty_list_of_int() {
assert_evals_to!(
indoc!(
r#"
emptyList : List I64
emptyList =
[]
List.reverse emptyList
"#
),
RocList::from_slice(&[]),
RocList<i64>
);
}
#[test]
fn list_reverse_empty_list() {
assert_evals_to!("List.reverse []", RocList::from_slice(&[]), RocList<i64>);
}
#[test]
fn foobarbaz() {
assert_evals_to!(
indoc!(
r#"
firstList : List I64
firstList =
[]
secondList : List I64
secondList =
[]
List.concat firstList secondList
"#
),
RocList::from_slice(&[]),
RocList<i64>
);
}
#[test]
fn list_concat_two_empty_lists() {
assert_evals_to!("List.concat [] []", RocList::from_slice(&[]), RocList<i64>);
}
#[test]
fn list_concat_two_empty_lists_of_int() {
assert_evals_to!(
indoc!(
r#"
firstList : List I64
firstList =
[]
secondList : List I64
secondList =
[]
List.concat firstList secondList
"#
),
RocList::from_slice(&[]),
RocList<i64>
);
}
#[test]
fn list_concat_second_list_is_empty() {
assert_evals_to!(
"List.concat [ 12, 13 ] []",
RocList::from_slice(&[12, 13]),
RocList<i64>
);
assert_evals_to!(
"List.concat [ 34, 43 ] [ 64, 55, 66 ]",
RocList::from_slice(&[34, 43, 64, 55, 66]),
RocList<i64>
);
}
#[test]
fn list_concat_first_list_is_empty() {
assert_evals_to!(
"List.concat [] [ 23, 24 ]",
RocList::from_slice(&[23, 24]),
RocList<i64>
);
}
#[test]
fn list_concat_two_non_empty_lists() {
assert_evals_to!(
"List.concat [1, 2 ] [ 3, 4 ]",
RocList::from_slice(&[1, 2, 3, 4]),
RocList<i64>
);
}
#[test]
fn list_concat_two_bigger_non_empty_lists() {
assert_evals_to!(
"List.concat [ 1.1, 2.2 ] [ 3.3, 4.4, 5.5 ]",
RocList::from_slice(&[1.1, 2.2, 3.3, 4.4, 5.5]),
RocList<f64>
);
}
fn assert_concat_worked(num_elems1: i64, num_elems2: i64) {
let vec1: Vec<i64> = (0..num_elems1)
.map(|i| 12345 % (i + num_elems1 + num_elems2 + 1))
.collect();
let vec2: Vec<i64> = (0..num_elems2)
.map(|i| 54321 % (i + num_elems1 + num_elems2 + 1))
.collect();
let slice_str1 = format!("{:?}", vec1);
let slice_str2 = format!("{:?}", vec2);
let mut expected = vec1;
expected.extend(vec2);
assert_evals_to!(
&format!("List.concat {} {}", slice_str1, slice_str2),
RocList::from_slice(&expected),
RocList<i64>
);
}
#[test]
fn list_concat_empty_list() {
assert_concat_worked(0, 0);
assert_concat_worked(1, 0);
assert_concat_worked(2, 0);
assert_concat_worked(3, 0);
assert_concat_worked(4, 0);
assert_concat_worked(7, 0);
assert_concat_worked(8, 0);
assert_concat_worked(9, 0);
assert_concat_worked(25, 0);
assert_concat_worked(150, 0);
assert_concat_worked(0, 1);
assert_concat_worked(0, 2);
assert_concat_worked(0, 3);
assert_concat_worked(0, 4);
assert_concat_worked(0, 7);
assert_concat_worked(0, 8);
assert_concat_worked(0, 9);
assert_concat_worked(0, 25);
assert_concat_worked(0, 150);
}
#[test]
fn list_concat_nonempty_lists() {
assert_concat_worked(1, 1);
assert_concat_worked(1, 2);
assert_concat_worked(1, 3);
assert_concat_worked(2, 3);
assert_concat_worked(2, 1);
assert_concat_worked(2, 2);
assert_concat_worked(3, 1);
assert_concat_worked(3, 2);
assert_concat_worked(2, 3);
assert_concat_worked(3, 3);
assert_concat_worked(4, 4);
}
#[test]
fn list_concat_large() {
with_larger_debug_stack(|| {
// these values produce mono ASTs so large that
// it can cause a stack overflow. This has been solved
// for current code, but may become a problem again in the future.
assert_concat_worked(150, 150);
assert_concat_worked(129, 350);
assert_concat_worked(350, 129);
})
}
#[test]
fn empty_list_len() {
assert_evals_to!("List.len []", 0, usize);
}
#[test]
fn basic_int_list_len() {
assert_evals_to!("List.len [ 12, 9, 6, 3 ]", 4, usize);
}
#[test]
fn loaded_int_list_len() {
assert_evals_to!(
indoc!(
r#"
nums = [ 2, 4, 6 ]
List.len nums
"#
),
3,
usize
);
}
#[test]
fn fn_int_list_len() {
assert_evals_to!(
indoc!(
r#"
getLen = \list -> List.len list
nums = [ 2, 4, 6, 8 ]
getLen nums
"#
),
4,
usize
);
}
#[test]
fn int_list_is_empty() {
assert_evals_to!("List.isEmpty [ 12, 9, 6, 3 ]", false, bool);
}
#[test]
fn empty_list_is_empty() {
assert_evals_to!("List.isEmpty []", true, bool);
}
#[test]
fn first_int_list() {
assert_evals_to!(
indoc!(
r#"
when List.first [ 12, 9, 6, 3 ] is
Ok val -> val
Err _ -> -1
"#
),
12,
i64
);
}
#[test]
#[ignore]
fn first_wildcard_empty_list() {
assert_evals_to!(
indoc!(
r#"
when List.first [] is
Ok _ -> 5
Err _ -> -1
"#
),
-1,
i64
);
}
#[test]
fn first_empty_list() {
assert_evals_to!(
indoc!(
r#"
when List.first [] is
Ok val -> val
Err _ -> -1
"#
),
-1,
i64
);
}
#[test]
fn last_int_list() {
assert_evals_to!(
indoc!(
r#"
when List.last [ 12, 9, 6, 3 ] is
Ok val -> val
Err _ -> -1
"#
),
3,
i64
);
}
#[test]
#[ignore]
fn last_wildcard_empty_list() {
assert_evals_to!(
indoc!(
r#"
when List.last [] is
Ok _ -> 5
Err _ -> -1
"#
),
-1,
i64
);
}
#[test]
fn last_empty_list() {
assert_evals_to!(
indoc!(
r#"
when List.last [] is
Ok val -> val
Err _ -> -1
"#
),
-1,
i64
);
}
#[test]
fn get_empty_list() {
assert_evals_to!(
indoc!(
r#"
when List.get [] 0 is
Ok val -> val
Err _ -> -1
"#
),
-1,
i64
);
}
#[test]
#[ignore]
fn get_wildcard_empty_list() {
assert_evals_to!(
indoc!(
r#"
when List.get [] 0 is
Ok _ -> 5
Err _ -> -1
"#
),
-1,
i64
);
}
#[test]
fn get_int_list_ok() {
assert_evals_to!(
indoc!(
r#"
when List.get [ 12, 9, 6 ] 1 is
Ok val -> val
Err _ -> -1
"#
),
9,
i64
);
}
#[test]
fn get_int_list_oob() {
assert_evals_to!(
indoc!(
r#"
when List.get [ 12, 9, 6 ] 1000 is
Ok val -> val
Err _ -> -1
"#
),
-1,
i64
);
}
#[test]
fn get_set_unique_int_list() {
assert_evals_to!(
indoc!(
r#"
when List.get (List.set [ 12, 9, 7, 3 ] 1 42) 1 is
Ok val -> val
Err _ -> -1
"#
),
42,
i64
);
}
#[test]
fn set_unique_int_list() {
assert_evals_to!(
"List.set [ 12, 9, 7, 1, 5 ] 2 33",
RocList::from_slice(&[12, 9, 33, 1, 5]),
RocList<i64>
);
}
#[test]
fn set_unique_list_oob() {
assert_evals_to!(
"List.set [ 3, 17, 4.1 ] 1337 9.25",
RocList::from_slice(&[3.0, 17.0, 4.1]),
RocList<f64>
);
}
#[test]
fn set_shared_int_list() {
assert_evals_to!(
indoc!(
r#"
wrapper = \shared ->
# This should not mutate the original
x =
when List.get (List.set shared 1 7.7) 1 is
Ok num -> num
Err _ -> 0
y =
when List.get shared 1 is
Ok num -> num
Err _ -> 0
{ x, y }
wrapper [ 2.1, 4.3 ]
"#
),
(7.7, 4.3),
(f64, f64)
);
}
#[test]
fn set_shared_list_oob() {
assert_evals_to!(
indoc!(
r#"
shared = [ 2, 4 ]
# This List.set is out of bounds, and should have no effect
x =
when List.get (List.set shared 422 0) 1 is
Ok num -> num
Err _ -> 0
y =
when List.get shared 1 is
Ok num -> num
Err _ -> 0
{ x, y }
"#
),
(4, 4),
(i64, i64)
);
}
#[test]
fn get_unique_int_list() {
assert_evals_to!(
indoc!(
r#"
unique = [ 2, 4 ]
when List.get unique 1 is
Ok num -> num
Err _ -> -1
"#
),
4,
i64
);
}
#[test]
fn gen_wrap_len() {
assert_evals_to!(
indoc!(
r#"
wrapLen = \list ->
[ List.len list ]
wrapLen [ 1, 7, 9 ]
"#
),
RocList::from_slice(&[3]),
RocList<i64>
);
}
#[test]
fn gen_wrap_first() {
assert_evals_to!(
indoc!(
r#"
wrapFirst = \list ->
[ List.first list ]
wrapFirst [ 1, 2 ]
"#
),
RocList::from_slice(&[1]),
RocList<i64>
);
}
#[test]
fn gen_duplicate() {
assert_evals_to!(
indoc!(
r#"
# Duplicate the first element into the second index
dupe = \list ->
when List.first list is
Ok elem ->
List.set list 1 elem
_ ->
[]
dupe [ 1, 2 ]
"#
),
RocList::from_slice(&[1, 1]),
RocList<i64>
);
}
#[test]
fn gen_swap() {
assert_evals_to!(
indoc!(
r#"
app "quicksort" provides [ main ] to "./platform"
swap : Nat, Nat, List a -> List a
swap = \i, j, list ->
when Pair (List.get list i) (List.get list j) is
Pair (Ok atI) (Ok atJ) ->
list
|> List.set i atJ
|> List.set j atI
_ ->
[]
main =
swap 0 1 [ 1, 2 ]
"#
),
RocList::from_slice(&[2, 1]),
RocList<i64>
);
}
// #[test]
// fn gen_partition() {
// assert_evals_to!(
// indoc!(
// r#"
// swap : I64, I64, List a -> List a
// swap = \i, j, list ->
// when Pair (List.get list i) (List.get list j) is
// Pair (Ok atI) (Ok atJ) ->
// list
// |> List.set i atJ
// |> List.set j atI
//
// _ ->
// []
// partition : I64, I64, List (Num a) -> [ Pair I64 (List (Num a)) ]
// partition = \low, high, initialList ->
// when List.get initialList high is
// Ok pivot ->
// when partitionHelp (low - 1) low initialList high pivot is
// Pair newI newList ->
// Pair (newI + 1) (swap (newI + 1) high newList)
//
// Err _ ->
// Pair (low - 1) initialList
//
//
// partitionHelp : I64, I64, List (Num a), I64, I64 -> [ Pair I64 (List (Num a)) ]
// partitionHelp = \i, j, list, high, pivot ->
// if j < high then
// when List.get list j is
// Ok value ->
// if value <= pivot then
// partitionHelp (i + 1) (j + 1) (swap (i + 1) j list) high pivot
// else
// partitionHelp i (j + 1) list high pivot
//
// Err _ ->
// Pair i list
// else
// Pair i list
//
// # when partition 0 0 [ 1,2,3,4,5 ] is
// # Pair list _ -> list
// [ 1,3 ]
// "#
// ),
// RocList::from_slice(&[2, 1]),
// RocList<i64>
// );
// }
// #[test]
// fn gen_partition() {
// assert_evals_to!(
// indoc!(
// r#"
// swap : I64, I64, List a -> List a
// swap = \i, j, list ->
// when Pair (List.get list i) (List.get list j) is
// Pair (Ok atI) (Ok atJ) ->
// list
// |> List.set i atJ
// |> List.set j atI
//
// _ ->
// []
// partition : I64, I64, List (Num a) -> [ Pair I64 (List (Num a)) ]
// partition = \low, high, initialList ->
// when List.get initialList high is
// Ok pivot ->
// when partitionHelp (low - 1) low initialList high pivot is
// Pair newI newList ->
// Pair (newI + 1) (swap (newI + 1) high newList)
//
// Err _ ->
// Pair (low - 1) initialList
//
//
// partitionHelp : I64, I64, List (Num a), I64, I64 -> [ Pair I64 (List (Num a)) ]
//
// # when partition 0 0 [ 1,2,3,4,5 ] is
// # Pair list _ -> list
// [ 1,3 ]
// "#
// ),
// RocList::from_slice(&[2, 1]),
// RocList<i64>
// );
// }
#[test]
fn gen_quicksort() {
with_larger_debug_stack(|| {
assert_evals_to!(
indoc!(
r#"
quicksort : List (Num a) -> List (Num a)
quicksort = \list ->
n = List.len list
quicksortHelp list 0 (n - 1)
quicksortHelp : List (Num a), Nat, Nat -> List (Num a)
quicksortHelp = \list, low, high ->
if low < high then
when partition low high list is
Pair partitionIndex partitioned ->
partitioned
|> quicksortHelp low (partitionIndex - 1)
|> quicksortHelp (partitionIndex + 1) high
else
list
swap : Nat, Nat, List a -> List a
swap = \i, j, list ->
when Pair (List.get list i) (List.get list j) is
Pair (Ok atI) (Ok atJ) ->
list
|> List.set i atJ
|> List.set j atI
_ ->
[]
partition : Nat, Nat, List (Num a) -> [ Pair Nat (List (Num a)) ]
partition = \low, high, initialList ->
when List.get initialList high is
Ok pivot ->
when partitionHelp (low - 1) low initialList high pivot is
Pair newI newList ->
Pair (newI + 1) (swap (newI + 1) high newList)
Err _ ->
Pair (low - 1) initialList
partitionHelp : Nat, Nat, List (Num a), Nat, (Num a) -> [ Pair Nat (List (Num a)) ]
partitionHelp = \i, j, list, high, pivot ->
if j < high then
when List.get list j is
Ok value ->
if value <= pivot then
partitionHelp (i + 1) (j + 1) (swap (i + 1) j list) high pivot
else
partitionHelp i (j + 1) list high pivot
Err _ ->
Pair i list
else
Pair i list
quicksort [ 7, 4, 21, 19 ]
"#
),
RocList::from_slice(&[4, 7, 19, 21]),
RocList<i64>
);
})
}
#[test]
fn foobar2() {
with_larger_debug_stack(|| {
assert_evals_to!(
indoc!(
r#"
quicksort : List (Num a) -> List (Num a)
quicksort = \list ->
quicksortHelp list 0 (List.len list - 1)
quicksortHelp : List (Num a), Nat, Nat -> List (Num a)
quicksortHelp = \list, low, high ->
if low < high then
when partition low high list is
Pair partitionIndex partitioned ->
partitioned
|> quicksortHelp low (partitionIndex - 1)
|> quicksortHelp (partitionIndex + 1) high
else
list
swap : Nat, Nat, List a -> List a
swap = \i, j, list ->
when Pair (List.get list i) (List.get list j) is
Pair (Ok atI) (Ok atJ) ->
list
|> List.set i atJ
|> List.set j atI
_ ->
[]
partition : Nat, Nat, List (Num a) -> [ Pair Nat (List (Num a)) ]
partition = \low, high, initialList ->
when List.get initialList high is
Ok pivot ->
when partitionHelp (low - 1) low initialList high pivot is
Pair newI newList ->
Pair (newI + 1) (swap (newI + 1) high newList)
Err _ ->
Pair (low - 1) initialList
partitionHelp : Nat, Nat, List (Num a), Nat, Num a -> [ Pair Nat (List (Num a)) ]
partitionHelp = \i, j, list, high, pivot ->
# if j < high then
if False then
when List.get list j is
Ok value ->
if value <= pivot then
partitionHelp (i + 1) (j + 1) (swap (i + 1) j list) high pivot
else
partitionHelp i (j + 1) list high pivot
Err _ ->
Pair i list
else
Pair i list
quicksort [ 7, 4, 21, 19 ]
"#
),
RocList::from_slice(&[19, 7, 4, 21]),
RocList<i64>
);
})
}
#[test]
fn foobar() {
with_larger_debug_stack(|| {
assert_evals_to!(
indoc!(
r#"
quicksort : List (Num a) -> List (Num a)
quicksort = \list ->
quicksortHelp list 0 (List.len list - 1)
quicksortHelp : List (Num a), Nat, Nat -> List (Num a)
quicksortHelp = \list, low, high ->
if low < high then
when partition low high list is
Pair partitionIndex partitioned ->
partitioned
|> quicksortHelp low (partitionIndex - 1)
|> quicksortHelp (partitionIndex + 1) high
else
list
swap : Nat, Nat, List a -> List a
swap = \i, j, list ->
when Pair (List.get list i) (List.get list j) is
Pair (Ok atI) (Ok atJ) ->
list
|> List.set i atJ
|> List.set j atI
_ ->
[]
partition : Nat, Nat, List (Num a) -> [ Pair Nat (List (Num a)) ]
partition = \low, high, initialList ->
when List.get initialList high is
Ok pivot ->
when partitionHelp (low - 1) low initialList high pivot is
Pair newI newList ->
Pair (newI + 1) (swap (newI + 1) high newList)
Err _ ->
Pair (low - 1) initialList
partitionHelp : Nat, Nat, List (Num a), Nat, Num a -> [ Pair Nat (List (Num a)) ]
partitionHelp = \i, j, list, high, pivot ->
if j < high then
when List.get list j is
Ok value ->
if value <= pivot then
partitionHelp (i + 1) (j + 1) (swap (i + 1) j list) high pivot
else
partitionHelp i (j + 1) list high pivot
Err _ ->
Pair i list
else
Pair i list
when List.first (quicksort [0x1]) is
_ -> 4
"#
),
4,
i64
);
})
}
#[test]
fn empty_list_increment_decrement() {
assert_evals_to!(
indoc!(
r#"
x : List I64
x = []
List.len x + List.len x
"#
),
0,
i64
);
}
#[test]
fn list_literal_increment_decrement() {
assert_evals_to!(
indoc!(
r#"
x : List I64
x = [1,2,3]
List.len x + List.len x
"#
),
6,
i64
);
}
#[test]
fn list_pass_to_function() {
assert_evals_to!(
indoc!(
r#"
x : List I64
x = [1,2,3]
id : List I64 -> List I64
id = \y -> y
id x
"#
),
RocList::from_slice(&[1, 2, 3]),
RocList<i64>
);
}
#[test]
fn list_pass_to_set() {
assert_evals_to!(
indoc!(
r#"
x : List I64
x = [1,2,3]
id : List I64 -> List I64
id = \y -> List.set y 0 0
id x
"#
),
RocList::from_slice(&[0, 2, 3]),
RocList<i64>
);
}
#[test]
fn list_wrap_in_tag() {
assert_evals_to!(
indoc!(
r#"
id : List I64 -> [ Pair (List I64) I64 ]
id = \y -> Pair y 4
when id [1,2,3] is
Pair v _ -> v
"#
),
RocList::from_slice(&[1, 2, 3]),
RocList<i64>
);
}
#[test]
fn list_contains() {
assert_evals_to!(indoc!("List.contains [1,2,3] 1"), true, bool);
assert_evals_to!(indoc!("List.contains [1,2,3] 4"), false, bool);
assert_evals_to!(indoc!("List.contains [] 4"), false, bool);
}
#[test]
fn list_sum() {
assert_evals_to!("List.sum []", 0, i64);
assert_evals_to!("List.sum [ 1, 2, 3 ]", 6, i64);
assert_evals_to!("List.sum [ 1.1, 2.2, 3.3 ]", 6.6, f64);
}
#[test]
fn list_product() {
assert_evals_to!("List.product []", 1, i64);
assert_evals_to!("List.product [ 1, 2, 3 ]", 6, i64);
assert_evals_to!("List.product [ 1.1, 2.2, 3.3 ]", 1.1 * 2.2 * 3.3, f64);
}
#[test]
fn list_keep_oks() {
assert_evals_to!("List.keepOks [] (\\x -> x)", 0, i64);
assert_evals_to!(
"List.keepOks [1,2] (\\x -> Ok x)",
RocList::from_slice(&[1, 2]),
RocList<i64>
);
assert_evals_to!(
"List.keepOks [1,2] (\\x -> x % 2)",
RocList::from_slice(&[1, 0]),
RocList<i64>
);
assert_evals_to!(
"List.keepOks [Ok 1, Err 2] (\\x -> x)",
RocList::from_slice(&[1]),
RocList<i64>
);
}
#[test]
fn list_keep_errs() {
assert_evals_to!("List.keepErrs [] (\\x -> x)", 0, i64);
assert_evals_to!(
"List.keepErrs [1,2] (\\x -> Err x)",
RocList::from_slice(&[1, 2]),
RocList<i64>
);
assert_evals_to!(
indoc!(
r#"
List.keepErrs [0,1,2] (\x -> x % 0 |> Result.mapErr (\_ -> 32))
"#
),
RocList::from_slice(&[32, 32, 32]),
RocList<i64>
);
assert_evals_to!(
"List.keepErrs [Ok 1, Err 2] (\\x -> x)",
RocList::from_slice(&[2]),
RocList<i64>
);
}
#[test]
fn list_map_with_index() {
assert_evals_to!(
"List.mapWithIndex [0,0,0] (\\index, x -> Num.intCast index + x)",
RocList::from_slice(&[0, 1, 2]),
RocList<i64>
);
}
#[test]
#[should_panic(expected = r#"Roc failed with message: "integer addition overflowed!"#)]
fn cleanup_because_exception() {
assert_evals_to!(
indoc!(
r#"
x = [ 1,2 ]
five : I64
five = 5
five + Num.maxInt + 3 + (Num.intCast (List.len x))
"#
),
9,
i64
);
}
#[test]
fn list_range() {
assert_evals_to!("List.range 0 -1", RocList::from_slice(&[]), RocList<i64>);
assert_evals_to!("List.range 0 0", RocList::from_slice(&[0]), RocList<i64>);
assert_evals_to!(
"List.range 0 5",
RocList::from_slice(&[0, 1, 2, 3, 4]),
RocList<i64>
);
}
#[test]
fn list_sort_with() {
assert_evals_to!(
"List.sortWith [] Num.compare",
RocList::from_slice(&[]),
RocList<i64>
);
assert_evals_to!(
"List.sortWith [ 4,3,2,1 ] Num.compare",
RocList::from_slice(&[1, 2, 3, 4]),
RocList<i64>
);
assert_evals_to!(
"List.sortWith [ 1,2,3,4] (\\a,b -> Num.compare b a)",
RocList::from_slice(&[4, 3, 2, 1]),
RocList<i64>
);
}
#[test]
#[should_panic(expected = r#"Roc failed with message: "invalid ret_layout""#)]
fn lists_with_incompatible_type_param_in_if() {
assert_evals_to!(
indoc!(
r#"
list1 = [ {} ]
list2 = [ "" ]
x = if True then list1 else list2
""
"#
),
RocStr::default(),
RocStr
);
}
#[test]
fn map_with_index_multi_record() {
// see https://github.com/rtfeldman/roc/issues/1700
assert_evals_to!(
indoc!(
r#"
List.mapWithIndex [ { x: {}, y: {} } ] \_, _ -> {}
"#
),
RocList::from_slice(&[((), ())]),
RocList<((), ())>
);
}
#[test]
fn empty_list_of_function_type() {
// see https://github.com/rtfeldman/roc/issues/1732
assert_evals_to!(
indoc!(
r#"
myList : List (Str -> Str)
myList = []
myClosure : Str -> Str
myClosure = \_ -> "bar"
choose =
if False then
myList
else
[ myClosure ]
when List.get choose 0 is
Ok f -> f "foo"
Err _ -> "bad!"
"#
),
RocStr::from_slice(b"bar"),
RocStr
);
}