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//@ run-pass
#![allow(dead_code)]
//@ compile-flags: -g
#[derive(PartialEq, Eq)]
struct NewBool(bool);
#[derive(PartialEq, Eq)]
enum Direction {
North,
East,
South,
West
}
#[derive(PartialEq, Eq)]
struct Foo {
bar: Option<Direction>,
baz: NewBool
}
#[derive(PartialEq, Eq)]
enum EnumWithStructVariants {
Variant1(bool),
Variant2 {
dir: Direction
}
}
const TRUE_TRUE: (bool, bool) = (true, true);
const NONE: Option<Direction> = None;
const EAST: Direction = Direction::East;
const NEW_FALSE: NewBool = NewBool(false);
const STATIC_FOO: Foo = Foo { bar: Some(Direction::South), baz: NEW_FALSE };
const VARIANT2_NORTH: EnumWithStructVariants = EnumWithStructVariants::Variant2 {
dir: Direction::North };
pub mod glfw {
#[derive(Copy, Clone, PartialEq, Eq)]
pub struct InputState(usize);
pub const RELEASE : InputState = InputState(0);
pub const PRESS : InputState = InputState(1);
pub const REPEAT : InputState = InputState(2);
}
fn issue_6533() {
fn action_to_str(state: glfw::InputState) -> &'static str {
use glfw::{RELEASE, PRESS, REPEAT};
match state {
RELEASE => { "Released" }
PRESS => { "Pressed" }
REPEAT => { "Repeated" }
_ => { "Unknown" }
}
}
assert_eq!(action_to_str(glfw::RELEASE), "Released");
assert_eq!(action_to_str(glfw::PRESS), "Pressed");
assert_eq!(action_to_str(glfw::REPEAT), "Repeated");
}
fn issue_13626() {
const VAL: [u8; 1] = [0];
match [1] {
VAL => unreachable!(),
_ => ()
}
}
fn issue_14576() {
type Foo = (i32, i32);
const ON: Foo = (1, 1);
const OFF: Foo = (0, 0);
match (1, 1) {
OFF => unreachable!(),
ON => (),
_ => unreachable!()
}
#[derive(PartialEq, Eq)]
enum C { D = 3, E = 4 }
const F : C = C::D;
assert_eq!(match C::D { F => 1, _ => 2, }, 1);
// test gaps
#[derive(PartialEq, Eq)]
enum G { H = 3, I = 5 }
const K : G = G::I;
assert_eq!(match G::I { K => 1, _ => 2, }, 1);
}
fn issue_13731() {
#[derive(PartialEq, Eq)]
enum A { AA(()) }
const B: A = A::AA(());
match A::AA(()) {
B => ()
}
}
fn issue_15393() {
#![allow(dead_code)]
#[derive(PartialEq, Eq)]
struct Flags {
bits: usize
}
const FOO: Flags = Flags { bits: 0x01 };
const BAR: Flags = Flags { bits: 0x02 };
match (Flags { bits: 0x02 }) {
FOO => unreachable!(),
BAR => (),
_ => unreachable!()
}
}
fn main() {
assert_eq!(match (true, false) {
TRUE_TRUE => 1,
(false, false) => 2,
(false, true) => 3,
(true, false) => 4
}, 4);
assert_eq!(match Some(Some(Direction::North)) {
Some(NONE) => 1,
Some(Some(Direction::North)) => 2,
Some(Some(EAST)) => 3,
Some(Some(Direction::South)) => 4,
Some(Some(Direction::West)) => 5,
None => 6
}, 2);
assert_eq!(match (Foo { bar: Some(Direction::West), baz: NewBool(true) }) {
Foo { bar: None, baz: NewBool(true) } => 1,
Foo { bar: NONE, baz: NEW_FALSE } => 2,
STATIC_FOO => 3,
Foo { bar: _, baz: NEW_FALSE } => 4,
Foo { bar: Some(Direction::West), baz: NewBool(true) } => 5,
Foo { bar: Some(Direction::South), baz: NewBool(true) } => 6,
Foo { bar: Some(EAST), .. } => 7,
Foo { bar: Some(Direction::North), baz: NewBool(true) } => 8
}, 5);
assert_eq!(match (EnumWithStructVariants::Variant2 { dir: Direction::North }) {
EnumWithStructVariants::Variant1(true) => 1,
EnumWithStructVariants::Variant1(false) => 2,
EnumWithStructVariants::Variant2 { dir: Direction::West } => 3,
VARIANT2_NORTH => 4,
EnumWithStructVariants::Variant2 { dir: Direction::South } => 5,
EnumWithStructVariants::Variant2 { dir: Direction::East } => 6
}, 4);
issue_6533();
issue_13626();
issue_13731();
issue_14576();
issue_15393();
}
|
