From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:03 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/pattern/pat-tuple-underfield.rs | 67 ++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 tests/ui/pattern/pat-tuple-underfield.rs

(limited to 'tests/ui/pattern/pat-tuple-underfield.rs')

diff --git a/tests/ui/pattern/pat-tuple-underfield.rs b/tests/ui/pattern/pat-tuple-underfield.rs
new file mode 100644
index 000000000..dac60e3fa
--- /dev/null
+++ b/tests/ui/pattern/pat-tuple-underfield.rs
@@ -0,0 +1,67 @@
+struct S(i32, f32);
+enum E {
+    S(i32, f32),
+}
+struct Point4(i32, i32, i32, i32);
+
+fn main() {
+    match S(0, 1.0) {
+        S(x) => {}
+        //~^ ERROR this pattern has 1 field, but the corresponding tuple struct has 2 fields
+        //~| HELP use `_` to explicitly ignore each field
+    }
+    match S(0, 1.0) {
+        S(_) => {}
+        //~^ ERROR this pattern has 1 field, but the corresponding tuple struct has 2 fields
+        //~| HELP use `_` to explicitly ignore each field
+        //~| HELP use `..` to ignore all fields
+    }
+    match S(0, 1.0) {
+        S() => {}
+        //~^ ERROR this pattern has 0 fields, but the corresponding tuple struct has 2 fields
+        //~| HELP use `_` to explicitly ignore each field
+        //~| HELP use `..` to ignore all fields
+
+        // Test non-standard formatting
+        S () => {}
+        //~^ ERROR this pattern has 0 fields, but the corresponding tuple struct has 2 fields
+        //~| HELP use `_` to explicitly ignore each field
+        //~| HELP use `..` to ignore all fields
+    }
+
+    match E::S(0, 1.0) {
+        E::S(x) => {}
+        //~^ ERROR this pattern has 1 field, but the corresponding tuple variant has 2 fields
+        //~| HELP use `_` to explicitly ignore each field
+    }
+    match E::S(0, 1.0) {
+        E::S(_) => {}
+        //~^ ERROR this pattern has 1 field, but the corresponding tuple variant has 2 fields
+        //~| HELP use `_` to explicitly ignore each field
+        //~| HELP use `..` to ignore all fields
+    }
+    match E::S(0, 1.0) {
+        E::S() => {}
+        //~^ ERROR this pattern has 0 fields, but the corresponding tuple variant has 2 fields
+        //~| HELP use `_` to explicitly ignore each field
+        //~| HELP use `..` to ignore all fields
+
+        // Test non-standard formatting
+        E::S () => {}
+        //~^ ERROR this pattern has 0 fields, but the corresponding tuple variant has 2 fields
+        //~| HELP use `_` to explicitly ignore each field
+        //~| HELP use `..` to ignore all fields
+    }
+    match E::S(0, 1.0) {
+        E::S => {}
+        //~^ ERROR expected unit struct, unit variant or constant, found tuple variant `E::S`
+        //~| HELP use the tuple variant pattern syntax instead
+    }
+
+    match Point4(0, 1, 2, 3) {
+        Point4(   a   ,     _    ) => {}
+        //~^ ERROR this pattern has 2 fields, but the corresponding tuple struct has 4 fields
+        //~| HELP use `_` to explicitly ignore each field
+        //~| HELP use `..` to ignore the rest of the fields
+    }
+}
-- 
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