From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/array-slice-vec/vec-matching.rs | 142 ++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 src/test/ui/array-slice-vec/vec-matching.rs

(limited to 'src/test/ui/array-slice-vec/vec-matching.rs')

diff --git a/src/test/ui/array-slice-vec/vec-matching.rs b/src/test/ui/array-slice-vec/vec-matching.rs
new file mode 100644
index 000000000..7009244aa
--- /dev/null
+++ b/src/test/ui/array-slice-vec/vec-matching.rs
@@ -0,0 +1,142 @@
+// run-pass
+
+fn a() {
+    let x = [1];
+    match x {
+        [a] => {
+            assert_eq!(a, 1);
+        }
+    }
+}
+
+fn b() {
+    let x = [1, 2, 3];
+    match x {
+        [a, b, c @ ..] => {
+            assert_eq!(a, 1);
+            assert_eq!(b, 2);
+            let expected: &[_] = &[3];
+            assert_eq!(c, expected);
+        }
+    }
+    match x {
+        [a @ .., b, c] => {
+            let expected: &[_] = &[1];
+            assert_eq!(a, expected);
+            assert_eq!(b, 2);
+            assert_eq!(c, 3);
+        }
+    }
+    match x {
+        [a, b @ .., c] => {
+            assert_eq!(a, 1);
+            let expected: &[_] = &[2];
+            assert_eq!(b, expected);
+            assert_eq!(c, 3);
+        }
+    }
+    match x {
+        [a, b, c] => {
+            assert_eq!(a, 1);
+            assert_eq!(b, 2);
+            assert_eq!(c, 3);
+        }
+    }
+}
+
+
+fn b_slice() {
+    let x : &[_] = &[1, 2, 3];
+    match x {
+        &[a, b, ref c @ ..] => {
+            assert_eq!(a, 1);
+            assert_eq!(b, 2);
+            let expected: &[_] = &[3];
+            assert_eq!(c, expected);
+        }
+        _ => unreachable!()
+    }
+    match x {
+        &[ref a @ .., b, c] => {
+            let expected: &[_] = &[1];
+            assert_eq!(a, expected);
+            assert_eq!(b, 2);
+            assert_eq!(c, 3);
+        }
+        _ => unreachable!()
+    }
+    match x {
+        &[a, ref b @ .., c] => {
+            assert_eq!(a, 1);
+            let expected: &[_] = &[2];
+            assert_eq!(b, expected);
+            assert_eq!(c, 3);
+        }
+        _ => unreachable!()
+    }
+    match x {
+        &[a, b, c] => {
+            assert_eq!(a, 1);
+            assert_eq!(b, 2);
+            assert_eq!(c, 3);
+        }
+        _ => unreachable!()
+    }
+}
+
+fn c() {
+    let x = [1];
+    match x {
+        [2, ..] => panic!(),
+        [..] => ()
+    }
+}
+
+fn d() {
+    let x = [1, 2, 3];
+    let branch = match x {
+        [1, 1, ..] => 0,
+        [1, 2, 3, ..] => 1,
+        [1, 2, ..] => 2,
+        _ => 3
+    };
+    assert_eq!(branch, 1);
+}
+
+fn e() {
+    let x: &[isize] = &[1, 2, 3];
+    let a = match *x {
+        [1, 2] => 0,
+        [..] => 1,
+    };
+
+    assert_eq!(a, 1);
+
+    let b = match *x {
+        [2, ..] => 0,
+        [1, 2, ..] => 1,
+        [_] => 2,
+        [..] => 3
+    };
+
+    assert_eq!(b, 1);
+
+
+    let c = match *x {
+        [_, _, _, _, ..] => 0,
+        [1, 2, ..] => 1,
+        [_] => 2,
+        [..] => 3
+    };
+
+    assert_eq!(c, 1);
+}
+
+pub fn main() {
+    a();
+    b();
+    b_slice();
+    c();
+    d();
+    e();
+}
-- 
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