rust/src/test/run-pass/expr-alt.rs

// 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 using match as an expression
fn test_basic() {
    let mut rs: bool = match true { true => { true } false => { false } };
    fail_unless!((rs));
    rs = match false { true => { false } false => { true } };
    fail_unless!((rs));
}

fn test_inferrence() {
    let mut rs = match true { true => { true } false => { false } };
    fail_unless!((rs));
}

fn test_alt_as_alt_head() {
    // Yeah, this is kind of confusing ...

    let rs =
        match match false { true => { true } false => { false } } {
          true => { false }
          false => { true }
        };
    fail_unless!((rs));
}

fn test_alt_as_block_result() {
    let rs =
        match false {
          true => { false }
          false => { match true { true => { true } false => { false } } }
        };
    fail_unless!((rs));
}

pub fn main() {
    test_basic();
    test_inferrence();
    test_alt_as_alt_head();
    test_alt_as_block_result();
}