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Disable u128 <-> float tests on emscripten

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This commit is contained in:
Robin Kruppe 2017-11-08 14:54:03 +01:00
parent ce4664956f
commit ef0b99930e
1 changed files with 37 additions and 27 deletions
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64
src/test/run-pass/saturating-float-casts.rs
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@ -15,7 +15,9 @@
extern crate test;
use std::{f32, f64};
use std::{u8, i8, u16, i16, u32, i32, u64, i64, u128, i128};
use std::{u8, i8, u16, i16, u32, i32, u64, i64};
#[cfg(not(target_os="emscripten"))]
use std::{u128, i128};
use test::black_box;
macro_rules! test {
@ -92,8 +94,13 @@ macro_rules! fptoui_tests {
}
pub fn main() {
common_fptoi_tests!(f* -> i8 i16 i32 i64 i128 u8 u16 u32 u64 u128);
fptoui_tests!(f* -> u8 u16 u32 u64 u128);
common_fptoi_tests!(f* -> i8 i16 i32 i64 u8 u16 u32 u64);
fptoui_tests!(f* -> u8 u16 u32 u64);
// FIXME emscripten does not support i128
#[cfg(not(target_os="emscripten"))] {
common_fptoi_tests!(f* -> i128 u128);
fptoui_tests!(f* -> u128);
}
// The following tests cover edge cases for some integer types.
@ -125,30 +132,33 @@ pub fn main() {
test!(4294967296., f* -> u32, 4294967295);
// # u128
// float->int:
test_c!(f32::MAX, f32 -> u128, 0xffffff00000000000000000000000000);
// nextDown(f32::MAX) = 2^128 - 2 * 2^104
const SECOND_LARGEST_F32: f32 = 340282326356119256160033759537265639424.;
test_c!(SECOND_LARGEST_F32, f32 -> u128, 0xfffffe00000000000000000000000000);
#[cfg(not(target_os="emscripten"))]
{
// float->int:
test_c!(f32::MAX, f32 -> u128, 0xffffff00000000000000000000000000);
// nextDown(f32::MAX) = 2^128 - 2 * 2^104
const SECOND_LARGEST_F32: f32 = 340282326356119256160033759537265639424.;
test_c!(SECOND_LARGEST_F32, f32 -> u128, 0xfffffe00000000000000000000000000);
// int->float:
// f32::MAX - 0.5 ULP and smaller should be rounded down
test_c!(0xfffffe00000000000000000000000000, u128 -> f32, SECOND_LARGEST_F32);
test_c!(0xfffffe7fffffffffffffffffffffffff, u128 -> f32, SECOND_LARGEST_F32);
test_c!(0xfffffe80000000000000000000000000, u128 -> f32, SECOND_LARGEST_F32);
// numbers within < 0.5 ULP of f32::MAX it should be rounded to f32::MAX
test_c!(0xfffffe80000000000000000000000001, u128 -> f32, f32::MAX);
test_c!(0xfffffeffffffffffffffffffffffffff, u128 -> f32, f32::MAX);
test_c!(0xffffff00000000000000000000000000, u128 -> f32, f32::MAX);
test_c!(0xffffff00000000000000000000000001, u128 -> f32, f32::MAX);
test_c!(0xffffff7fffffffffffffffffffffffff, u128 -> f32, f32::MAX);
// f32::MAX + 0.5 ULP and greater should be rounded to infinity
test_c!(0xffffff80000000000000000000000000, u128 -> f32, f32::INFINITY);
test_c!(0xffffff80000000f00000000000000000, u128 -> f32, f32::INFINITY);
test_c!(0xffffff87ffffffffffffffff00000001, u128 -> f32, f32::INFINITY);
// int->float:
// f32::MAX - 0.5 ULP and smaller should be rounded down
test_c!(0xfffffe00000000000000000000000000, u128 -> f32, SECOND_LARGEST_F32);
test_c!(0xfffffe7fffffffffffffffffffffffff, u128 -> f32, SECOND_LARGEST_F32);
test_c!(0xfffffe80000000000000000000000000, u128 -> f32, SECOND_LARGEST_F32);
// numbers within < 0.5 ULP of f32::MAX it should be rounded to f32::MAX
test_c!(0xfffffe80000000000000000000000001, u128 -> f32, f32::MAX);
test_c!(0xfffffeffffffffffffffffffffffffff, u128 -> f32, f32::MAX);
test_c!(0xffffff00000000000000000000000000, u128 -> f32, f32::MAX);
test_c!(0xffffff00000000000000000000000001, u128 -> f32, f32::MAX);
test_c!(0xffffff7fffffffffffffffffffffffff, u128 -> f32, f32::MAX);
// f32::MAX + 0.5 ULP and greater should be rounded to infinity
test_c!(0xffffff80000000000000000000000000, u128 -> f32, f32::INFINITY);
test_c!(0xffffff80000000f00000000000000000, u128 -> f32, f32::INFINITY);
test_c!(0xffffff87ffffffffffffffff00000001, u128 -> f32, f32::INFINITY);
// u128->f64 should not be affected by the u128->f32 checks
test_c!(0xffffff80000000000000000000000000, u128 -> f64,
340282356779733661637539395458142568448.0);
test_c!(u128::MAX, u128 -> f64, 340282366920938463463374607431768211455.0);
// u128->f64 should not be affected by the u128->f32 checks
test_c!(0xffffff80000000000000000000000000, u128 -> f64,
340282356779733661637539395458142568448.0);
test_c!(u128::MAX, u128 -> f64, 340282366920938463463374607431768211455.0);
}
}