rust/src/test/run-pass/expr-if.rs
2013-03-29 16:39:08 -07:00

66 lines
1.6 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.
// -*- rust -*-
// Tests for if as expressions
fn test_if() { let rs: bool = if true { true } else { false }; assert!((rs)); }
fn test_else() {
let rs: bool = if false { false } else { true };
assert!((rs));
}
fn test_elseif1() {
let rs: bool = if true { true } else if true { false } else { false };
assert!((rs));
}
fn test_elseif2() {
let rs: bool = if false { false } else if true { true } else { false };
assert!((rs));
}
fn test_elseif3() {
let rs: bool = if false { false } else if false { false } else { true };
assert!((rs));
}
fn test_inferrence() {
let rs = if true { true } else { false };
assert!((rs));
}
fn test_if_as_if_condition() {
let rs1 = if if false { false } else { true } { true } else { false };
assert!((rs1));
let rs2 = if if true { false } else { true } { false } else { true };
assert!((rs2));
}
fn test_if_as_block_result() {
let rs = if true { if false { false } else { true } } else { false };
assert!((rs));
}
pub fn main() {
test_if();
test_else();
test_elseif1();
test_elseif2();
test_elseif3();
test_inferrence();
test_if_as_if_condition();
test_if_as_block_result();
}