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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/for-loop-while/label_break_value_invalid.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/for-loop-while/label_break_value_invalid.rs')
-rw-r--r--tests/ui/for-loop-while/label_break_value_invalid.rs35
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/for-loop-while/label_break_value_invalid.rs b/tests/ui/for-loop-while/label_break_value_invalid.rs
new file mode 100644
index 00000000000..fcf2e0f294e
--- /dev/null
+++ b/tests/ui/for-loop-while/label_break_value_invalid.rs
@@ -0,0 +1,35 @@
+#![crate_type = "lib"]
+
+fn lbv_macro_test_hygiene_respected() {
+    macro_rules! mac2 {
+        ($val:expr) => {
+            break 'a $val; //~ ERROR undeclared label `'a` [E0426]
+        };
+    }
+    let x: u8 = 'a: {
+        'b: {
+            if true {
+                mac2!(2);
+            }
+        };
+        0
+    };
+    assert_eq!(x, 2);
+
+    macro_rules! mac3 {
+        ($val:expr) => {
+            'a: {
+                $val
+            }
+        };
+    }
+    let x: u8 = mac3!('b: {
+        if true {
+            break 'a 3; //~ ERROR undeclared label `'a` [E0426]
+        }
+        0
+    });
+    assert_eq!(x, 3);
+    let x: u8 = mac3!(break 'a 4); //~ ERROR undeclared label `'a` [E0426]
+    assert_eq!(x, 4);
+}