rust/tests/ui/issues/issue-13867.rs

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// run-pass
// 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,
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(Foo::FooNullary, 'x') => 2,
_ => 0
};
assert_eq!(r, 0);
let r = match (Foo::FooUint(0), 'a') {
(Foo::FooUint(1), 'a'..='z') => 1,
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(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,
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('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,
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('a', 'a') => 3,
_ => 0
};
assert_eq!(r, 3);
}