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roc/compiler/gen/tests/gen_builtins.rs

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#[macro_use]
extern crate pretty_assertions;
#[macro_use]
extern crate indoc;
extern crate bumpalo;
extern crate inkwell;
extern crate libc;
extern crate roc_gen;
#[macro_use]
mod helpers;
#[cfg(test)]
mod gen_builtins {
use crate::helpers::{can_expr, infer_expr, uniq_expr, with_larger_debug_stack, CanExprOut};
use bumpalo::Bump;
use inkwell::context::Context;
use inkwell::execution_engine::JitFunction;
use inkwell::passes::PassManager;
use inkwell::types::BasicType;
use inkwell::OptimizationLevel;
use roc_collections::all::ImMap;
use roc_gen::llvm::build::{build_proc, build_proc_header};
use roc_gen::llvm::convert::basic_type_from_layout;
use roc_mono::expr::{Expr, Procs};
use roc_mono::layout::Layout;
use roc_types::subs::Subs;
#[test]
fn f64_sqrt() {
assert_evals_to!("Float.sqrt 144", 12.0, f64);
}
#[test]
fn f64_round() {
assert_evals_to!("Float.round 3.6", 4, i64);
}
#[test]
fn f64_abs() {
assert_evals_to!("Float.abs -4.7", 4.7, f64);
assert_evals_to!("Float.abs 5.8", 5.8, f64);
}
#[test]
fn i64_abs() {
assert_evals_to!("Int.abs -6", 6, i64);
assert_evals_to!("Int.abs 7", 7, i64);
}
#[test]
fn empty_list_literal() {
assert_evals_to!("[]", &[], &'static [i64]);
}
#[test]
fn int_list_literal() {
assert_evals_to!("[ 12, 9, 6, 3 ]", &[12, 9, 6, 3], &'static [i64]);
}
#[test]
fn gen_if_fn() {
assert_evals_to!(
indoc!(
r#"
limitedNegate = \num ->
if num == 1 then
-1
else if num == -1 then
1
else
num
limitedNegate 1
"#
),
-1,
i64
);
}
#[test]
fn gen_float_eq() {
assert_evals_to!(
indoc!(
r#"
1.0 == 1.0
"#
),
true,
bool
);
}
#[test]
fn gen_add_f64() {
with_larger_debug_stack(|| {
assert_evals_to!(
indoc!(
r#"
1.1 + 2.4 + 3
"#
),
6.5,
f64
);
})
}
#[test]
fn gen_div_f64() {
assert_evals_to!(
indoc!(
r#"
48 / 2
"#
),
24.0,
f64
);
}
#[test]
fn gen_int_eq() {
assert_evals_to!(
indoc!(
r#"
4 == 4
"#
),
true,
bool
);
}
#[test]
fn gen_int_neq() {
assert_evals_to!(
indoc!(
r#"
4 != 5
"#
),
true,
bool
);
}
#[test]
fn gen_add_i64() {
with_larger_debug_stack(|| {
assert_evals_to!(
indoc!(
r#"
1 + 2 + 3
"#
),
6,
i64
);
})
}
#[test]
fn gen_sub_f64() {
assert_evals_to!(
indoc!(
r#"
1.5 - 2.4 - 3
"#
),
-3.9,
f64
);
}
#[test]
fn gen_sub_i64() {
assert_evals_to!(
indoc!(
r#"
1 - 2 - 3
"#
),
-4,
i64
);
}
#[test]
fn gen_mul_i64() {
assert_evals_to!(
indoc!(
r#"
2 * 4 * 6
"#
),
48,
i64
);
}
#[test]
fn gen_div_i64() {
assert_evals_to!(
indoc!(
r#"
when 1000 // 10 is
Ok val -> val
Err _ -> -1
"#
),
100,
i64
);
}
#[test]
fn gen_div_by_zero_i64() {
assert_evals_to!(
indoc!(
r#"
when 1000 // 0 is
Err DivByZero -> 99
_ -> -24
"#
),
99,
i64
);
}
#[test]
fn gen_rem_i64() {
assert_evals_to!(
indoc!(
r#"
when Int.rem 8 3 is
Ok val -> val
_ -> -1
"#
),
2,
i64
);
}
#[test]
fn gen_rem_div_by_zero_i64() {
assert_evals_to!(
indoc!(
r#"
when Int.rem 8 0 is
Err DivByZero -> 4
_ -> -23
"#
),
4,
i64
);
}
#[test]
fn gen_is_zero_i64() {
assert_evals_to!("Int.isZero 0", true, bool);
assert_evals_to!("Int.isZero 1", false, bool);
}
#[test]
fn gen_is_positive_i64() {
assert_evals_to!("Int.isPositive 0", false, bool);
assert_evals_to!("Int.isPositive 1", true, bool);
assert_evals_to!("Int.isPositive -5", false, bool);
}
#[test]
fn gen_is_negative_i64() {
assert_evals_to!("Int.isNegative 0", false, bool);
assert_evals_to!("Int.isNegative 3", false, bool);
assert_evals_to!("Int.isNegative -2", true, bool);
}
#[test]
fn gen_is_positive_f64() {
assert_evals_to!("Float.isPositive 0.0", false, bool);
assert_evals_to!("Float.isPositive 4.7", true, bool);
assert_evals_to!("Float.isPositive -8.5", false, bool);
}
#[test]
fn gen_is_negative_f64() {
assert_evals_to!("Float.isNegative 0.0", false, bool);
assert_evals_to!("Float.isNegative 9.9", false, bool);
assert_evals_to!("Float.isNegative -4.4", true, bool);
}
#[test]
fn gen_is_zero_f64() {
assert_evals_to!("Float.isZero 0", true, bool);
assert_evals_to!("Float.isZero 0_0", true, bool);
assert_evals_to!("Float.isZero 0.0", true, bool);
assert_evals_to!("Float.isZero 1", false, bool);
}
#[test]
fn gen_is_odd() {
assert_evals_to!("Int.isOdd 4", false, bool);
assert_evals_to!("Int.isOdd 5", true, bool);
}
#[test]
fn gen_is_even() {
assert_evals_to!("Int.isEven 6", true, bool);
assert_evals_to!("Int.isEven 7", false, bool);
}
#[test]
fn sin() {
assert_evals_to!("Float.sin 0", 0.0, f64);
assert_evals_to!("Float.sin 1.41421356237", 0.9877659459922529, f64);
}
#[test]
fn cos() {
assert_evals_to!("Float.cos 0", 1.0, f64);
assert_evals_to!("Float.cos 3.14159265359", -1.0, f64);
}
#[test]
fn tan() {
assert_evals_to!("Float.tan 0", 0.0, f64);
assert_evals_to!("Float.tan 1", 1.557407724654902, f64);
}
#[test]
fn lt_i64() {
assert_evals_to!("1 < 2", true, bool);
assert_evals_to!("1 < 1", false, bool);
assert_evals_to!("2 < 1", false, bool);
assert_evals_to!("0 < 0", false, bool);
}
#[test]
fn lte_i64() {
assert_evals_to!("1 <= 1", true, bool);
assert_evals_to!("2 <= 1", false, bool);
assert_evals_to!("1 <= 2", true, bool);
assert_evals_to!("0 <= 0", true, bool);
}
#[test]
fn gt_i64() {
assert_evals_to!("2 > 1", true, bool);
assert_evals_to!("2 > 2", false, bool);
assert_evals_to!("1 > 1", false, bool);
assert_evals_to!("0 > 0", false, bool);
}
#[test]
fn gte_i64() {
assert_evals_to!("1 >= 1", true, bool);
assert_evals_to!("1 >= 2", false, bool);
assert_evals_to!("2 >= 1", true, bool);
assert_evals_to!("0 >= 0", true, bool);
}
#[test]
fn lt_f64() {
assert_evals_to!("1.1 < 1.2", true, bool);
assert_evals_to!("1.1 < 1.1", false, bool);
assert_evals_to!("1.2 < 1.1", false, bool);
assert_evals_to!("0.0 < 0.0", false, bool);
}
#[test]
fn lte_f64() {
assert_evals_to!("1.1 <= 1.1", true, bool);
assert_evals_to!("1.2 <= 1.1", false, bool);
assert_evals_to!("1.1 <= 1.2", true, bool);
assert_evals_to!("0.0 <= 0.0", true, bool);
}
#[test]
fn gt_f64() {
assert_evals_to!("2.2 > 1.1", true, bool);
assert_evals_to!("2.2 > 2.2", false, bool);
assert_evals_to!("1.1 > 2.2", false, bool);
assert_evals_to!("0.0 > 0.0", false, bool);
}
#[test]
fn gte_f64() {
assert_evals_to!("1.1 >= 1.1", true, bool);
assert_evals_to!("1.1 >= 1.2", false, bool);
assert_evals_to!("1.2 >= 1.1", true, bool);
assert_evals_to!("0.0 >= 0.0", true, bool);
}
#[test]
fn gen_order_of_arithmetic_ops() {
assert_evals_to!(
indoc!(
r#"
1 + 3 * 7 - 2
"#
),
20,
i64
);
}
#[test]
fn gen_order_of_arithmetic_ops_complex_float() {
assert_evals_to!(
indoc!(
r#"
48 / 2 + 3
"#
),
27.0,
f64
);
}
#[test]
fn if_guard_bind_variable() {
assert_evals_to!(
indoc!(
r#"
when 10 is
x if x == 5 -> 0
_ -> 42
"#
),
42,
i64
);
assert_evals_to!(
indoc!(
r#"
when 10 is
x if x == 10 -> 42
_ -> 0
"#
),
42,
i64
);
}
#[test]
fn tail_call_elimination() {
with_larger_debug_stack(|| {
assert_evals_to!(
indoc!(
r#"
sum = \n, accum ->
when n is
0 -> accum
_ -> sum (n - 1) (n + accum)
sum 1_000_000 0
"#
),
500000500000,
i64
);
})
}
#[test]
fn int_negate() {
assert_evals_to!("Num.neg 123", -123, i64);
}
#[test]
fn gen_basic_fn() {
assert_evals_to!(
indoc!(
r#"
always42 : Num.Num Int.Integer -> Num.Num Int.Integer
always42 = \num -> 42
always42 5
"#
),
42,
i64
);
}
#[test]
fn list_push() {
assert_evals_to!("List.push [1] 2", &[1, 2], &'static [i64]);
assert_evals_to!("List.push [1, 1] 2", &[1, 1, 2], &'static [i64]);
assert_evals_to!("List.push [] 3", &[3], &'static [i64]);
assert_evals_to!(
"List.push [ True, False ] True",
&[true, false, true],
&'static [bool]
);
}
#[test]
fn list_single() {
assert_evals_to!("List.single 1", &[1], &'static [i64]);
assert_evals_to!("List.single 5.6", &[5.6], &'static [f64]);
}
#[test]
fn list_repeat() {
assert_evals_to!("List.repeat 5 1", &[1, 1, 1, 1, 1], &'static [i64]);
assert_evals_to!("List.repeat 4 2", &[2, 2, 2, 2], &'static [i64]);
assert_evals_to!("List.repeat 0 []", &[], &'static [i64]);
assert_evals_to!("List.repeat 2 []", &[&[], &[]], &'static [&'static [i64]]);
}
#[test]
fn empty_list_len() {
with_larger_debug_stack(|| {
assert_evals_to!("List.len []", 0, usize);
})
}
#[test]
fn basic_int_list_len() {
with_larger_debug_stack(|| {
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() {
with_larger_debug_stack(|| {
assert_evals_to!("List.isEmpty []", true, bool);
})
}
#[test]
fn first_int_list() {
with_larger_debug_stack(|| {
assert_evals_to!(
indoc!(
r#"
when List.first [ 12, 9, 6, 3 ] is
Ok val -> val
Err _ -> -1
"#
),
12,
i64
);
})
}
#[test]
fn first_empty_list() {
with_larger_debug_stack(|| {
assert_evals_to!(
indoc!(
r#"
when List.first [] is
Ok val -> val
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!("List.getUnsafe (List.set [ 12, 9, 7, 3 ] 1 42) 1", 42, i64);
}
#[test]
fn set_unique_int_list() {
assert_evals_to!(
"List.set [ 12, 9, 7, 1, 5 ] 2 33",
&[12, 9, 33, 1, 5],
&'static [i64]
);
}
#[test]
fn set_unique_list_oob() {
assert_evals_to!(
"List.set [ 3, 17, 4.1 ] 1337 9.25",
&[3.0, 17.0, 4.1],
&'static [f64]
);
}
#[test]
fn set_shared_int_list() {
assert_evals_to!(
indoc!(
r#"
shared = [ 2.1, 4.3 ]
# This should not mutate the original
x = List.getUnsafe (List.set shared 1 7.7) 1
{ x, y: List.getUnsafe shared 1 }
"#
),
(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 = List.getUnsafe (List.set shared 422 0) 1
{ x, y: List.getUnsafe shared 1 }
"#
),
(4, 4),
(i64, i64)
);
}
#[test]
fn get_unique_int_list() {
assert_evals_to!(
indoc!(
r#"
shared = [ 2, 4 ]
List.getUnsafe shared 1
"#
),
4,
i64
);
}
#[test]
fn int_to_float() {
assert_evals_to!(
indoc!(
r#"
Num.toFloat 0x9
"#
),
9.0,
f64
);
}
#[test]
fn gen_quicksort() {
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), Int, Int -> 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 : Int, Int, 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 : Int, Int, List (Num a) -> [ Pair Int (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 : Int, Int, List (Num a), Int, Int -> [ Pair Int (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 ]
"#
),
&[4, 7, 19, 21],
&'static [i64]
);
})
}
}
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