f35328caed
Division and remainder by 0 are undefined behavior, and are detected at runtime. This commit adds support for ensuring that MIN / -1 is also checked for at runtime, as this would cause signed overflow, or undefined behvaior. Closes #8460
36 lines
1.5 KiB
Rust
36 lines
1.5 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::{int, i8, i16, i32, i64};
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use std::task;
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fn main() {
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assert!(task::try(proc() int::MIN / -1).is_err());
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assert!(task::try(proc() i8::MIN / -1).is_err());
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assert!(task::try(proc() i16::MIN / -1).is_err());
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assert!(task::try(proc() i32::MIN / -1).is_err());
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assert!(task::try(proc() i64::MIN / -1).is_err());
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assert!(task::try(proc() 1i / 0).is_err());
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assert!(task::try(proc() 1i8 / 0).is_err());
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assert!(task::try(proc() 1i16 / 0).is_err());
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assert!(task::try(proc() 1i32 / 0).is_err());
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assert!(task::try(proc() 1i64 / 0).is_err());
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assert!(task::try(proc() int::MIN % -1).is_err());
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assert!(task::try(proc() i8::MIN % -1).is_err());
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assert!(task::try(proc() i16::MIN % -1).is_err());
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assert!(task::try(proc() i32::MIN % -1).is_err());
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assert!(task::try(proc() i64::MIN % -1).is_err());
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assert!(task::try(proc() 1i % 0).is_err());
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assert!(task::try(proc() 1i8 % 0).is_err());
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assert!(task::try(proc() 1i16 % 0).is_err());
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assert!(task::try(proc() 1i32 % 0).is_err());
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assert!(task::try(proc() 1i64 % 0).is_err());
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}
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