rust/src/test/run-pass/binops.rs

132 lines
3.0 KiB
Rust

// Copyright 2012 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.
// Binop corner cases
fn test_nil() {
assert (() == ());
assert (!(() != ()));
assert (!(() < ()));
assert (() <= ());
assert (!(() > ()));
assert (() >= ());
}
fn test_bool() {
assert (!(true < false));
assert (!(true <= false));
assert (true > false);
assert (true >= false);
assert (false < true);
assert (false <= true);
assert (!(false > true));
assert (!(false >= true));
// Bools support bitwise binops
assert (false & false == false);
assert (true & false == false);
assert (true & true == true);
assert (false | false == false);
assert (true | false == true);
assert (true | true == true);
assert (false ^ false == false);
assert (true ^ false == true);
assert (true ^ true == false);
}
fn test_char() {
let ch10 = 10 as char;
let ch4 = 4 as char;
let ch2 = 2 as char;
assert (ch10 + ch4 == 14 as char);
assert (ch10 - ch4 == 6 as char);
assert (ch10 * ch4 == 40 as char);
assert (ch10 / ch4 == ch2);
assert (ch10 % ch4 == ch2);
assert (ch10 >> ch2 == ch2);
assert (ch10 << ch4 == 160 as char);
assert (ch10 | ch4 == 14 as char);
assert (ch10 & ch2 == ch2);
assert (ch10 ^ ch2 == 8 as char);
}
fn test_box() {
assert (@10 == @10);
}
fn test_ptr() {
unsafe {
let p1: *u8 = ::core::cast::reinterpret_cast(&0);
let p2: *u8 = ::core::cast::reinterpret_cast(&0);
let p3: *u8 = ::core::cast::reinterpret_cast(&1);
assert p1 == p2;
assert p1 != p3;
assert p1 < p3;
assert p1 <= p3;
assert p3 > p1;
assert p3 >= p3;
assert p1 <= p2;
assert p1 >= p2;
}
}
#[abi = "cdecl"]
#[nolink]
extern mod test {
pub fn rust_get_sched_id() -> libc::intptr_t;
pub fn get_task_id() -> libc::intptr_t;
}
struct p {
mut x: int,
mut y: int,
}
fn p(x: int, y: int) -> p {
p {
x: x,
y: y
}
}
impl cmp::Eq for p {
pure fn eq(&self, other: &p) -> bool {
(*self).x == (*other).x && (*self).y == (*other).y
}
pure fn ne(&self, other: &p) -> bool { !(*self).eq(other) }
}
fn test_class() {
let q = p(1, 2);
let r = p(1, 2);
unsafe {
error!("q = %x, r = %x",
(::core::cast::reinterpret_cast::<*p, uint>(&ptr::addr_of(&q))),
(::core::cast::reinterpret_cast::<*p, uint>(&ptr::addr_of(&r))));
}
assert(q == r);
r.y = 17;
assert(r.y != q.y);
assert(r.y == 17);
assert(q != r);
}
pub fn main() {
test_nil();
test_bool();
test_char();
test_box();
test_ptr();
test_class();
}