Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 129 insertions, 0 deletions

diff --git a/tests/ui/pattern/usefulness/slice-patterns-exhaustiveness.rs b/tests/ui/pattern/usefulness/slice-patterns-exhaustiveness.rs
new file mode 100644
index 000000000..46e0da5be
--- /dev/null
+++ b/tests/ui/pattern/usefulness/slice-patterns-exhaustiveness.rs
@@ -0,0 +1,129 @@
+fn main() {
+    let s: &[bool] = &[true; 0];
+    let s1: &[bool; 1] = &[false; 1];
+    let s2: &[bool; 2] = &[false; 2];
+    let s3: &[bool; 3] = &[false; 3];
+    let s10: &[bool; 10] = &[false; 10];
+
+    match s2 {
+        //~^ ERROR `&[false, _]` not covered
+        [true, .., true] => {}
+    }
+    match s3 {
+        //~^ ERROR `&[false, ..]` not covered
+        [true, .., true] => {}
+    }
+    match s10 {
+        //~^ ERROR `&[false, ..]` not covered
+        [true, .., true] => {}
+    }
+
+    match s1 {
+        [true, ..] => {}
+        [.., false] => {}
+    }
+    match s2 {
+        //~^ ERROR `&[false, true]` not covered
+        [true, ..] => {}
+        [.., false] => {}
+    }
+    match s3 {
+        //~^ ERROR `&[false, .., true]` not covered
+        [true, ..] => {}
+        [.., false] => {}
+    }
+    match s {
+        //~^ ERROR `&[false, .., true]` not covered
+        [] => {}
+        [true, ..] => {}
+        [.., false] => {}
+    }
+
+    match s {
+        //~^ ERROR `&[_, ..]` not covered
+        [] => {}
+    }
+    match s {
+        //~^ ERROR `&[_, _, ..]` not covered
+        [] => {}
+        [_] => {}
+    }
+    match s {
+        //~^ ERROR `&[false, ..]` not covered
+        [] => {}
+        [true, ..] => {}
+    }
+    match s {
+        //~^ ERROR `&[false, _, ..]` not covered
+        [] => {}
+        [_] => {}
+        [true, ..] => {}
+    }
+    match s {
+        //~^ ERROR `&[_, .., false]` not covered
+        [] => {}
+        [_] => {}
+        [.., true] => {}
+    }
+
+    match s {
+        //~^ ERROR `&[_, _, .., true]` not covered
+        [] => {}
+        [_] => {}
+        [_, _] => {}
+        [.., false] => {}
+    }
+    match s {
+        //~^ ERROR `&[true, _, .., _]` not covered
+        [] => {}
+        [_] => {}
+        [_, _] => {}
+        [false, .., false] => {}
+    }
+
+    const CONST: &[bool] = &[true];
+    match s {
+        //~^ ERROR `&[]` and `&[_, _, ..]` not covered
+        &[true] => {}
+    }
+    match s {
+        //~^ ERROR `&[]` and `&[_, _, ..]` not covered
+        CONST => {}
+    }
+    match s {
+        //~^ ERROR `&[]` and `&[_, _, ..]` not covered
+        CONST => {}
+        &[false] => {}
+    }
+    match s {
+        //~^ ERROR `&[]` and `&[_, _, ..]` not covered
+        &[false] => {}
+        CONST => {}
+    }
+    match s {
+        //~^ ERROR `&[_, _, ..]` not covered
+        &[] => {}
+        CONST => {}
+    }
+    match s {
+        //~^ ERROR `&[false]` not covered
+        &[] => {}
+        CONST => {}
+        &[_, _, ..] => {}
+    }
+    match s {
+        [] => {}
+        [false] => {}
+        CONST => {}
+        [_, _, ..] => {}
+    }
+    const CONST1: &[bool; 1] = &[true];
+    match s1 {
+        //~^ ERROR `&[false]` not covered
+        CONST1 => {}
+    }
+    match s1 {
+        CONST1 => {}
+        [false] => {}
+    }
+}