| // 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. |
| |
| // Test that codegen works correctly when there are multiple refutable |
| // patterns in match expression. |
| |
| |
| enum Foo { |
| FooUint(usize), |
| FooNullary, |
| } |
| |
| fn main() { |
| let r = match (Foo::FooNullary, 'a') { |
| (Foo::FooUint(..), 'a'...'z') => 1, |
| (Foo::FooNullary, 'x') => 2, |
| _ => 0 |
| }; |
| assert_eq!(r, 0); |
| |
| let r = match (Foo::FooUint(0), 'a') { |
| (Foo::FooUint(1), 'a'...'z') => 1, |
| (Foo::FooUint(..), 'x') => 2, |
| (Foo::FooNullary, 'a') => 3, |
| _ => 0 |
| }; |
| assert_eq!(r, 0); |
| |
| let r = match ('a', Foo::FooUint(0)) { |
| ('a'...'z', Foo::FooUint(1)) => 1, |
| ('x', Foo::FooUint(..)) => 2, |
| ('a', Foo::FooNullary) => 3, |
| _ => 0 |
| }; |
| assert_eq!(r, 0); |
| |
| let r = match ('a', 'a') { |
| ('a'...'z', 'b') => 1, |
| ('x', 'a'...'z') => 2, |
| _ => 0 |
| }; |
| assert_eq!(r, 0); |
| |
| let r = match ('a', 'a') { |
| ('a'...'z', 'b') => 1, |
| ('x', 'a'...'z') => 2, |
| ('a', 'a') => 3, |
| _ => 0 |
| }; |
| assert_eq!(r, 3); |
| } |