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add more testing infrastructure

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This commit is contained in:
Jorge Aparicio
2018-07-12 15:30:32 -05:00
parent f14653ad09
commit 3073bdd29a
1 changed files with 188 additions and 0 deletions
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188
library/compiler-builtins/libm/test-generator/src/main.rs
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@@ -58,6 +58,8 @@ macro_rules! f32_f32 {
let mut f = File::create(concat!("tests/", stringify!($intr), ".rs"))?;
write!(f, "
#![deny(warnings)]
extern crate libm;
#[test]
@@ -118,6 +120,8 @@ macro_rules! f32f32_f32 {
let mut f = File::create(concat!("tests/", stringify!($intr), ".rs"))?;
write!(f, "
#![deny(warnings)]
extern crate libm;
#[test]
@@ -153,6 +157,74 @@ macro_rules! f32f32_f32 {
};
}
// fn(f32, f32, f32) -> f32
macro_rules! f32f32f32_f32 {
($($intr:ident,)*) => {
fn f32f32f32_f32(rng: &mut XorShiftRng) -> Result<(), Box<Error>> {
extern "C" {
$(fn $intr(_: f32, _: f32, _: f32) -> f32;)*
}
$(
let mut cases = String::new();
for _ in 0..NTESTS {
let i1 = f32(rng);
let i2 = f32(rng);
let i3 = f32(rng);
let out = unsafe { $intr(i1, i2, i3) };
let i1 = i1.to_bits();
let i2 = i2.to_bits();
let i3 = i3.to_bits();
let out = out.to_bits();
write!(cases, "(({}, {}, {}), {})", i1, i2, i3, out).unwrap();
cases.push(',');
}
let mut f = File::create(concat!("tests/", stringify!($intr), ".rs"))?;
write!(f, "
#![deny(warnings)]
extern crate libm;
#[test]
fn {0}() {{
const CASES: &[((u32, u32, u32), u32)] = &[
{1}
];
for case in CASES {{
let ((i1, i2, i3), expected) = *case;
let outf = libm::{0}(
f32::from_bits(i1),
f32::from_bits(i2),
f32::from_bits(i3),
);
let outi = outf.to_bits();
if !((outf.is_nan() && f32::from_bits(expected).is_nan()) ||
libm::_eqf(outi, expected)) {{
panic!(
\"input: {{:?}}, output: {{}}, expected: {{}}\",
(i1, i2, i3),
outi,
expected,
);
}}
}}
}}
",
stringify!($intr),
cases)?;
)*
Ok(())
}
};
}
// fn(f32, i32) -> f32
macro_rules! f32i32_f32 {
($($intr:ident,)*) => {
@@ -177,6 +249,8 @@ macro_rules! f32i32_f32 {
let mut f = File::create(concat!("tests/", stringify!($intr), ".rs"))?;
write!(f, "
#![deny(warnings)]
extern crate libm;
#[test]
@@ -236,6 +310,8 @@ macro_rules! f64_f64 {
let mut f = File::create(concat!("tests/", stringify!($intr), ".rs"))?;
write!(f, "
#![deny(warnings)]
extern crate libm;
#[test]
@@ -296,6 +372,8 @@ macro_rules! f64f64_f64 {
let mut f = File::create(concat!("tests/", stringify!($intr), ".rs"))?;
write!(f, "
#![deny(warnings)]
extern crate libm;
#[test]
@@ -331,6 +409,74 @@ macro_rules! f64f64_f64 {
};
}
// fn(f64, f64, f64) -> f64
macro_rules! f64f64f64_f64 {
($($intr:ident,)*) => {
fn f64f64f64_f64(rng: &mut XorShiftRng) -> Result<(), Box<Error>> {
extern "C" {
$(fn $intr(_: f64, _: f64, _: f64) -> f64;)*
}
$(
let mut cases = String::new();
for _ in 0..NTESTS {
let i1 = f64(rng);
let i2 = f64(rng);
let i3 = f64(rng);
let out = unsafe { $intr(i1, i2, i3) };
let i1 = i1.to_bits();
let i2 = i2.to_bits();
let i3 = i3.to_bits();
let out = out.to_bits();
write!(cases, "(({}, {}, {}), {})", i1, i2, i3, out).unwrap();
cases.push(',');
}
let mut f = File::create(concat!("tests/", stringify!($intr), ".rs"))?;
write!(f, "
#![deny(warnings)]
extern crate libm;
#[test]
fn {0}() {{
const CASES: &[((u64, u64, u64), u64)] = &[
{1}
];
for case in CASES {{
let ((i1, i2, i3), expected) = *case;
let outf = libm::{0}(
f64::from_bits(i1),
f64::from_bits(i2),
f64::from_bits(i3),
);
let outi = outf.to_bits();
if !((outf.is_nan() && f64::from_bits(expected).is_nan()) ||
libm::_eq(outi, expected)) {{
panic!(
\"input: {{:?}}, output: {{}}, expected: {{}}\",
(i1, i2, i3),
outi,
expected,
);
}}
}}
}}
",
stringify!($intr),
cases)?;
)*
Ok(())
}
};
}
// fn(f64, i32) -> f64
macro_rules! f64i32_f64 {
($($intr:ident,)*) => {
@@ -355,6 +501,8 @@ macro_rules! f64i32_f64 {
let mut f = File::create(concat!("tests/", stringify!($intr), ".rs"))?;
write!(f, "
#![deny(warnings)]
extern crate libm;
#[test]
@@ -398,9 +546,11 @@ fn main() -> Result<(), Box<Error>> {
f32_f32(&mut rng)?;
f32f32_f32(&mut rng)?;
f32f32f32_f32(&mut rng)?;
f32i32_f32(&mut rng)?;
f64_f64(&mut rng)?;
f64f64_f64(&mut rng)?;
f64f64f64_f64(&mut rng)?;
f64i32_f64(&mut rng)?;
Ok(())
@@ -410,6 +560,13 @@ fn main() -> Result<(), Box<Error>> {
// With signature `fn(f32) -> f32`
f32_f32! {
// cosf,
// exp2f,
// expf,
// log10f,
// log2f,
// roundf,
// sinf,
fabsf,
sqrtf,
}
@@ -420,6 +577,11 @@ f32f32_f32! {
powf,
}
// With signature `fn(f32, f32, f32) -> f32`
f32f32f32_f32! {
// fmaf,
}
// With signature `fn(f32, i32) -> f32`
f32i32_f32! {
scalbnf,
@@ -427,12 +589,38 @@ f32i32_f32! {
// With signature `fn(f64) -> f64`
f64_f64! {
// acos,
// asin,
// atan,
// cbrt,
// cos,
// cosh,
// exp,
// exp2,
// expm1,
// log,
// log10,
// log1p,
// log2,
// round,
// sin,
// sinh,
// tan,
// tanh,
fabs,
}
// With signature `fn(f64, f64) -> f64`
f64f64_f64! {
// atan2,
// fmod,
// hypot,
// pow,
}
// With signature `fn(f64, f64, f64) -> f64`
f64f64f64_f64! {
// fma,
}
// With signature `fn(f64, i32) -> f64`