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libcoretest: Add tests for NonZero.
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@@ -25,6 +25,7 @@ mod fmt; | |
mod hash; | ||
mod iter; | ||
mod mem; | ||
mod nonzero; | ||
mod num; | ||
mod ops; | ||
mod option; | ||
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@@ -0,0 +1,100 @@ | ||
// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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use core::nonzero::NonZero; | ||
use core::option::Option; | ||
use core::option::Option::{Some, None}; | ||
use std::mem::size_of; | ||
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#[test] | ||
fn test_create_nonzero_instance() { | ||
let _a = unsafe { | ||
NonZero::new(21i) | ||
}; | ||
} | ||
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#[test] | ||
fn test_size_nonzero_in_option() { | ||
assert_eq!(size_of::<NonZero<u32>>(), size_of::<Option<NonZero<u32>>>()); | ||
} | ||
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#[test] | ||
fn test_match_on_nonzero_option() { | ||
let a = Some(unsafe { | ||
NonZero::new(42i) | ||
}); | ||
match a { | ||
Some(val) => assert_eq!(*val, 42), | ||
None => panic!("unexpected None while matching on Some(NonZero(_))") | ||
} | ||
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match unsafe { Some(NonZero::new(43i)) } { | ||
Some(val) => assert_eq!(*val, 43), | ||
None => panic!("unexpected None while matching on Some(NonZero(_))") | ||
} | ||
} | ||
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#[test] | ||
fn test_match_option_empty_vec() { | ||
let a: Option<Vec<int>> = Some(vec![]); | ||
match a { | ||
None => panic!("unexpected None while matching on Some(vec![])"), | ||
_ => {} | ||
} | ||
} | ||
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#[test] | ||
fn test_match_option_vec() { | ||
let a = Some(vec![1i, 2, 3, 4]); | ||
match a { | ||
Some(v) => assert_eq!(v, vec![1i, 2, 3, 4]), | ||
None => panic!("unexpected None while matching on Some(vec![1, 2, 3, 4])") | ||
} | ||
} | ||
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#[test] | ||
fn test_match_option_rc() { | ||
use std::rc::Rc; | ||
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let five = Rc::new(5i); | ||
match Some(five) { | ||
Some(r) => assert_eq!(*r, 5i), | ||
None => panic!("unexpected None while matching on Some(Rc::new(5))") | ||
} | ||
} | ||
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#[test] | ||
fn test_match_option_arc() { | ||
use std::sync::Arc; | ||
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let five = Arc::new(5i); | ||
match Some(five) { | ||
Some(a) => assert_eq!(*a, 5i), | ||
None => panic!("unexpected None while matching on Some(Arc::new(5))") | ||
} | ||
} | ||
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#[test] | ||
fn test_match_option_empty_string() { | ||
let a = Some(String::new()); | ||
match a { | ||
None => panic!("unexpected None while matching on Some(String::new())"), | ||
_ => {} | ||
} | ||
} | ||
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#[test] | ||
fn test_match_option_string() { | ||
let five = "Five".into_string(); | ||
match Some(five) { | ||
Some(s) => assert_eq!(s, "Five"), | ||
None => panic!("unexpected None while matching on Some(String { ... })") | ||
} | ||
} |