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#![deny(clippy::panicking_unwrap, clippy::unnecessary_unwrap)]
#![allow(
clippy::if_same_then_else,
clippy::branches_sharing_code,
clippy::unnecessary_literal_unwrap
)]
fn test_complex_conditions() {
let x: Result<(), ()> = Ok(());
let y: Result<(), ()> = Ok(());
if x.is_ok() && y.is_err() {
// unnecessary
x.unwrap();
//~^ ERROR: called `unwrap` on `x` after checking its variant with `is_ok`
// will panic
x.unwrap_err();
//~^ ERROR: this call to `unwrap_err()` will always panic
// will panic
y.unwrap();
//~^ ERROR: this call to `unwrap()` will always panic
// unnecessary
y.unwrap_err();
//~^ ERROR: called `unwrap_err` on `y` after checking its variant with `is_err`
} else {
// not statically determinable whether any of the following will always succeed or always fail:
x.unwrap();
x.unwrap_err();
y.unwrap();
y.unwrap_err();
}
if x.is_ok() || y.is_ok() {
// not statically determinable whether any of the following will always succeed or always fail:
x.unwrap();
y.unwrap();
} else {
// will panic
x.unwrap();
//~^ ERROR: this call to `unwrap()` will always panic
// unnecessary
x.unwrap_err();
//~^ ERROR: called `unwrap_err` on `x` after checking its variant with `is_ok`
// will panic
y.unwrap();
//~^ ERROR: this call to `unwrap()` will always panic
// unnecessary
y.unwrap_err();
//~^ ERROR: called `unwrap_err` on `y` after checking its variant with `is_ok`
}
let z: Result<(), ()> = Ok(());
if x.is_ok() && !(y.is_ok() || z.is_err()) {
// unnecessary
x.unwrap();
//~^ ERROR: called `unwrap` on `x` after checking its variant with `is_ok`
// will panic
x.unwrap_err();
//~^ ERROR: this call to `unwrap_err()` will always panic
// will panic
y.unwrap();
//~^ ERROR: this call to `unwrap()` will always panic
// unnecessary
y.unwrap_err();
//~^ ERROR: called `unwrap_err` on `y` after checking its variant with `is_ok`
// unnecessary
z.unwrap();
//~^ ERROR: called `unwrap` on `z` after checking its variant with `is_err`
// will panic
z.unwrap_err();
//~^ ERROR: this call to `unwrap_err()` will always panic
}
if x.is_ok() || !(y.is_ok() && z.is_err()) {
// not statically determinable whether any of the following will always succeed or always fail:
x.unwrap();
y.unwrap();
z.unwrap();
} else {
// will panic
x.unwrap();
//~^ ERROR: this call to `unwrap()` will always panic
// unnecessary
x.unwrap_err();
//~^ ERROR: called `unwrap_err` on `x` after checking its variant with `is_ok`
// unnecessary
y.unwrap();
//~^ ERROR: called `unwrap` on `y` after checking its variant with `is_ok`
// will panic
y.unwrap_err();
//~^ ERROR: this call to `unwrap_err()` will always panic
// will panic
z.unwrap();
//~^ ERROR: this call to `unwrap()` will always panic
// unnecessary
z.unwrap_err();
//~^ ERROR: called `unwrap_err` on `z` after checking its variant with `is_err`
}
}
fn main() {}
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