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Added more tests and updated existing to use snapshot style testing

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This commit is contained in:
Devin Bidwell
2025-12-30 11:49:42 -07:00
parent fc13c465c0
commit e2a45f0d05
7 changed files with 1681 additions and 6 deletions
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500
rust_compiler/libs/compiler/src/test/edge_cases.rs Normal file
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@@ -0,0 +1,500 @@
use indoc::indoc;
use pretty_assertions::assert_eq;
#[test]
fn zero_value_handling() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = 0;
let y = x + 0;
let z = x * 100;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 0
add r1 r8 0
move r9 r1
mul r2 r8 100
move r10 r2
"
}
);
Ok(())
}
#[test]
fn negative_number_handling() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = -100;
let y = -x;
let z = -(-50);
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 -100
move r9 50
"
}
);
Ok(())
}
#[test]
fn large_number_constants() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = 999999999;
let y = x + 1;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 999999999
add r1 r8 1
move r9 r1
"
}
);
Ok(())
}
#[test]
fn floating_point_precision() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let pi = 3.14159265;
let e = 2.71828182;
let sum = pi + e;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 3.14159265
move r9 2.71828182
add r1 r8 r9
move r10 r1
"
}
);
Ok(())
}
#[test]
fn temperature_unit_conversion() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let celsius = 20c;
let fahrenheit = 68f;
let kelvin = 293.15k;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 293.15
move r9 293.15
move r10 293.15
"
}
);
Ok(())
}
#[test]
fn mixed_temperature_units() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let c = 0c;
let f = 32f;
let k = 273.15k;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 273.15
move r9 273.15
move r10 273.15
"
}
);
Ok(())
}
#[test]
fn boolean_constant_folding() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = true;
let y = false;
let z = true && true;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 1
move r9 0
and r1 1 1
move r10 r1
"
}
);
Ok(())
}
#[test]
fn empty_block() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = 5;
{
}
let y = x;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 5
move r9 r8
"
}
);
Ok(())
}
#[test]
fn multiple_statements_same_line() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = 1; let y = 2; let z = 3;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 1
move r9 2
move r10 3
"
}
);
Ok(())
}
#[test]
fn function_with_no_return() -> anyhow::Result<()> {
let compiled = compile! {
debug "
fn no_return() {
let x = 5;
};
no_return();
"
};
assert_eq!(
compiled,
indoc! {
"
j main
no_return:
push ra
move r8 5
__internal_L1:
pop ra
j ra
main:
jal no_return
move r1 r15
"
}
);
Ok(())
}
#[test]
fn deeply_nested_expressions() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = ((((((((1 + 2) + 3) + 4) + 5) + 6) + 7) + 8) + 9);
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 45
"
}
);
Ok(())
}
#[test]
fn constant_folding_with_operations() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = 10 * 5 + 3 - 2;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 51
"
}
);
Ok(())
}
#[test]
fn constant_folding_with_division() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = 100 / 2 / 5;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 10
"
}
);
Ok(())
}
#[test]
fn modulo_operation() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = 17 % 5;
let y = 10 % 3;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r8 2
move r9 1
"
}
);
Ok(())
}
#[test]
fn exponentiation() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = 2 ^ 8;
let y = 3 ^ 3;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
move r0 3
move r1 3
"
}
);
Ok(())
}
#[test]
fn comparison_with_zero() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = 0 == 0;
let y = 0 < 1;
let z = 0 > -1;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
seq r1 0 0
move r8 r1
slt r2 0 1
move r9 r2
sgt r3 0 -1
move r10 r3
"
}
);
Ok(())
}
#[test]
fn boolean_negation_edge_cases() -> anyhow::Result<()> {
let compiled = compile! {
debug "
let x = !0;
let y = !1;
let z = !100;
"
};
assert_eq!(
compiled,
indoc! {
"
j main
main:
seq r1 0 0
move r8 r1
seq r2 1 0
move r9 r2
seq r3 100 0
move r10 r3
"
}
);
Ok(())
}
#[test]
fn function_with_many_parameters() -> anyhow::Result<()> {
let compiled = compile! {
debug "
fn many_params(a, b, c, d, e, f, g, h) {
return a + b + c + d + e + f + g + h;
};
let result = many_params(1, 2, 3, 4, 5, 6, 7, 8);
"
};
assert_eq!(
compiled,
indoc! {
"
j main
many_params:
pop r8
pop r9
pop r10
pop r11
pop r12
pop r13
pop r14
push ra
sub r0 sp 2
get r1 db r0
add r2 r1 r14
add r3 r2 r13
add r4 r3 r12
add r5 r4 r11
add r6 r5 r10
add r7 r6 r9
add r1 r7 r8
move r15 r1
j __internal_L1
__internal_L1:
pop ra
sub sp sp 1
j ra
main:
push 1
push 2
push 3
push 4
push 5
push 6
push 7
push 8
jal many_params
move r8 r15
"
}
);
Ok(())
}