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-rw-r--r--src/test/ui/pattern/bindings-after-at/or-patterns-slice-patterns.rs54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/test/ui/pattern/bindings-after-at/or-patterns-slice-patterns.rs b/src/test/ui/pattern/bindings-after-at/or-patterns-slice-patterns.rs
new file mode 100644
index 000000000..d315f7ee3
--- /dev/null
+++ b/src/test/ui/pattern/bindings-after-at/or-patterns-slice-patterns.rs
@@ -0,0 +1,54 @@
+// Test bindings-after-at with or-patterns and slice-patterns
+
+// run-pass
+
+
+#[derive(Debug, PartialEq)]
+enum MatchArm {
+ Arm(usize),
+ Wild,
+}
+
+#[derive(Debug, PartialEq)]
+enum Test {
+ Foo,
+ Bar,
+ Baz,
+ Qux,
+}
+
+fn test(foo: &[Option<Test>]) -> MatchArm {
+ match foo {
+ bar @ [Some(Test::Foo), .., Some(Test::Qux | Test::Foo)] => {
+ assert_eq!(bar, foo);
+
+ MatchArm::Arm(0)
+ },
+ [.., bar @ Some(Test::Bar | Test::Qux), _] => {
+ assert!(bar == &Some(Test::Bar) || bar == &Some(Test::Qux));
+
+ MatchArm::Arm(1)
+ },
+ _ => MatchArm::Wild,
+ }
+}
+
+fn main() {
+ let foo = vec![
+ Some(Test::Foo),
+ Some(Test::Bar),
+ Some(Test::Baz),
+ Some(Test::Qux),
+ ];
+
+ // path 1a
+ assert_eq!(test(&foo), MatchArm::Arm(0));
+ // path 1b
+ assert_eq!(test(&[Some(Test::Foo), Some(Test::Bar), Some(Test::Foo)]), MatchArm::Arm(0));
+ // path 2a
+ assert_eq!(test(&foo[..3]), MatchArm::Arm(1));
+ // path 2b
+ assert_eq!(test(&[Some(Test::Bar), Some(Test::Qux), Some(Test::Baz)]), MatchArm::Arm(1));
+ // path 3
+ assert_eq!(test(&foo[1..2]), MatchArm::Wild);
+}