Files
stationeers_lang/rust_compiler/libs/compiler/src/test/binary_expression.rs

123 lines
2.2 KiB
Rust

use crate::compile;
use indoc::indoc;
use pretty_assertions::assert_eq;
#[test]
fn simple_binary_expression() -> anyhow::Result<()> {
let compiled = compile! {
debug
"
let i = 1 + 2;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 3 #i
"
}
);
Ok(())
}
#[test]
fn nested_binary_expressions() -> anyhow::Result<()> {
let compiled = compile! {
debug
"
fn calculateArgs(arg1, arg2, arg3) {
return (arg1 + arg2) * arg3;
};
let returned = calculateArgs(10, 20, 30) + 100;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
calculateArgs:
pop r8 #arg3
pop r9 #arg2
pop r10 #arg1
push ra
add r1 r10 r9
mul r2 r1 r8
move r15 r2
sub r0 sp 1
get ra db r0
sub sp sp 1
j ra
main:
push 10
push 20
push 30
jal calculateArgs
move r1 r15 #__binary_temp_3
add r2 r1 100
move r8 r2 #returned
"
}
);
Ok(())
}
#[test]
fn stress_test_constant_folding() -> anyhow::Result<()> {
let compiled = compile! {
debug
"
let negationHell = (-1 + -2) * (-3 + (-4 * (-5 + -6)));
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 -123 #negationHell
"
}
);
Ok(())
}
#[test]
fn test_constant_folding_with_variables_mixed_in() -> anyhow::Result<()> {
let compiled = compile! {
debug
r#"
device self = "db";
let i = 1 - 3 * (1 + 123.4) * self.Setting + 245c;
"#
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
l r1 db Setting
mul r2 373.2 r1
sub r3 1 r2
add r4 r3 518.15
move r8 r4 #i
"
}
);
Ok(())
}