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skip slow int_log tests in Miri #95528

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Merged
merged 1 commit into from
Apr 1, 2022
Merged

skip slow int_log tests in Miri #95528

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10 changes: 10 additions & 0 deletions library/core/tests/num/int_log.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -22,12 +22,15 @@ fn checked_log() {
assert_eq!(0i8.checked_log(4), None);
assert_eq!(0i16.checked_log(4), None);

#[cfg(not(miri))] // Miri is too slow
for i in i16::MIN..=0 {
assert_eq!(i.checked_log(4), None);
}
#[cfg(not(miri))] // Miri is too slow
for i in 1..=i16::MAX {
assert_eq!(i.checked_log(13), Some((i as f32).log(13.0) as u32));
}
#[cfg(not(miri))] // Miri is too slow
for i in 1..=u16::MAX {
assert_eq!(i.checked_log(13), Some((i as f32).log(13.0) as u32));
}
Expand All @@ -48,6 +51,7 @@ fn checked_log2() {
for i in 1..=u8::MAX {
assert_eq!(i.checked_log2(), Some((i as f32).log2() as u32));
}
#[cfg(not(miri))] // Miri is too slow
for i in 1..=u16::MAX {
// Guard against Android's imprecise f32::log2 implementation.
if i != 8192 && i != 32768 {
Expand All @@ -60,9 +64,11 @@ fn checked_log2() {
for i in 1..=i8::MAX {
assert_eq!(i.checked_log2(), Some((i as f32).log2() as u32));
}
#[cfg(not(miri))] // Miri is too slow
for i in i16::MIN..=0 {
assert_eq!(i.checked_log2(), None);
}
#[cfg(not(miri))] // Miri is too slow
for i in 1..=i16::MAX {
// Guard against Android's imprecise f32::log2 implementation.
if i != 8192 {
Expand All @@ -87,15 +93,19 @@ fn checked_log10() {
assert_eq!(0i8.checked_log10(), None);
assert_eq!(0i16.checked_log10(), None);

#[cfg(not(miri))] // Miri is too slow
for i in i16::MIN..=0 {
assert_eq!(i.checked_log10(), None);
}
#[cfg(not(miri))] // Miri is too slow
for i in 1..=i16::MAX {
assert_eq!(i.checked_log10(), Some((i as f32).log10() as u32));
}
#[cfg(not(miri))] // Miri is too slow
for i in 1..=u16::MAX {
assert_eq!(i.checked_log10(), Some((i as f32).log10() as u32));
}
#[cfg(not(miri))] // Miri is too slow
for i in 1..=100_000u32 {
assert_eq!(i.checked_log10(), Some((i as f32).log10() as u32));
}
Expand Down