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

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// Binop corner cases
use std;
import std::unsafe::reinterpret_cast;
import std::task;
import std::comm;
fn test_nil() {
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assert (() == ());
assert (!(() != ()));
assert (!(() < ()));
assert (() <= ());
assert (!(() > ()));
assert (() >= ());
}
fn test_bool() {
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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() {
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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 >>> 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);
assert (@{a: 1, b: 3} < @{a: 1, b: 4});
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assert (@{a: 'x'} != @{a: 'y'});
}
fn test_port() {
let p1 = comm::mk_port[int]();
let p2 = comm::mk_port[int]();
assert p1 == p1;
assert p1 != p2;
}
fn test_chan() {
let p: comm::_port[int] = comm::mk_port();
let ch1 = p.mk_chan();
let ch2 = p.mk_chan();
assert ch1 == ch1;
// Chans are equal because they are just task:port addresses.
assert ch1 == ch2;
}
fn test_ptr() {
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// FIXME: Don't know what binops apply to pointers. Don't know how
// to make or use pointers
}
fn test_task() {
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fn f() { }
let t1 = task::_spawn(bind f());
let t2 = task::_spawn(bind f());
assert t1 == t1;
assert t1 != t2;
}
fn test_fn() {
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fn f() { }
fn g() { }
fn h(i: int) { }
let f1 = f;
let f2 = f;
let g1 = g;
let h1 = h;
let h2 = h;
assert (f1 == f2);
assert (f1 == f);
assert (f1 != g1);
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assert (h1 == h2);
assert (!(f1 != f2));
assert (!(h1 < h2));
assert (h1 <= h2);
assert (!(h1 > h2));
assert (h1 >= h2);
}
native "rust" mod native_mod = "" {
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fn str_byte_len(s: str) -> vec[u8];
// This isn't actually the signature of str_alloc, but since
// we're not calling it that shouldn't matter
fn str_alloc(s: str) -> vec[u8];
}
// FIXME: comparison of native fns
fn test_native_fn() {
assert (native_mod::str_byte_len == native_mod::str_byte_len);
assert (native_mod::str_byte_len != native_mod::str_alloc);
}
fn test_obj() {
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let o1 = obj () { };
let o2 = obj () { };
assert (o1 == o1);
// FIXME (#815): This doesn't work on linux only. Wierd.
//assert (o1 != o2);
//assert (!(o1 == o2));
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obj constr1(i: int) { }
obj constr2(i: int) { }
let o5 = constr1(10);
let o6 = constr1(10);
let o7 = constr1(11);
let o8 = constr2(11);
assert (o5 != o6);
assert (o6 != o7);
assert (o7 != o8);
}
fn main() {
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test_nil();
test_bool();
test_char();
test_box();
test_port();
test_chan();
test_ptr();
test_task();
test_fn();
test_native_fn();
test_obj();
}