diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/unnecessary_lazy_eval.fixed')
| -rw-r--r-- | src/tools/clippy/tests/ui/unnecessary_lazy_eval.fixed | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/unnecessary_lazy_eval.fixed b/src/tools/clippy/tests/ui/unnecessary_lazy_eval.fixed index 4778eaefd..66598f892 100644 --- a/src/tools/clippy/tests/ui/unnecessary_lazy_eval.fixed +++ b/src/tools/clippy/tests/ui/unnecessary_lazy_eval.fixed @@ -6,6 +6,8 @@ #![allow(clippy::needless_borrow)] #![allow(clippy::unnecessary_literal_unwrap)] #![allow(clippy::unit_arg)] +#![allow(arithmetic_overflow)] +#![allow(unconditional_panic)] use std::ops::Deref; @@ -190,3 +192,79 @@ fn issue9485() { // should not lint, is in proc macro with_span!(span Some(42).unwrap_or_else(|| 2);); } + +fn issue9422(x: usize) -> Option<usize> { + (x >= 5).then(|| x - 5) + // (x >= 5).then_some(x - 5) // clippy suggestion panics +} + +fn panicky_arithmetic_ops(x: usize, y: isize) { + #![allow(clippy::identity_op, clippy::eq_op)] + + // See comments in `eager_or_lazy.rs` for the rules that this is meant to follow + + let _x = false.then_some(i32::MAX + 1); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(i32::MAX * 2); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(i32::MAX - 1); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(i32::MIN - 1); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some((1 + 2 * 3 - 2 / 3 + 9) << 2); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(255u8 << 7); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(255u8 << 8); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(255u8 >> 8); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then(|| 255u8 >> x); + let _x = false.then_some(i32::MAX + -1); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(-i32::MAX); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(-i32::MIN); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then(|| -y); + let _x = false.then_some(255 >> -7); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(255 << -1); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(1 / 0); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(x << -1); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(x << 2); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then(|| x + x); + let _x = false.then(|| x * x); + let _x = false.then(|| x - x); + let _x = false.then(|| x / x); + let _x = false.then(|| x % x); + let _x = false.then(|| x + 1); + let _x = false.then(|| 1 + x); + + let _x = false.then_some(x / 0); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(x % 0); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then(|| y / -1); + let _x = false.then_some(1 / -1); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(i32::MIN / -1); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then(|| i32::MIN / x as i32); + let _x = false.then_some(i32::MIN / 0); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then_some(4 / 2); + //~^ ERROR: unnecessary closure used with `bool::then` + let _x = false.then(|| 1 / x); + + // const eval doesn't read variables, but floating point math never panics, so we can still emit a + // warning + let f1 = 1.0; + let f2 = 2.0; + let _x = false.then_some(f1 + f2); + //~^ ERROR: unnecessary closure used with `bool::then` +} |