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Diffstat (limited to 'crates/hir_def/src/macro_expansion_tests/mbe.rs')
-rw-r--r--crates/hir_def/src/macro_expansion_tests/mbe.rs32
1 files changed, 32 insertions, 0 deletions
diff --git a/crates/hir_def/src/macro_expansion_tests/mbe.rs b/crates/hir_def/src/macro_expansion_tests/mbe.rs
index 384c70028d..993c7d99b7 100644
--- a/crates/hir_def/src/macro_expansion_tests/mbe.rs
+++ b/crates/hir_def/src/macro_expansion_tests/mbe.rs
@@ -383,3 +383,35 @@ fn baz() -> bool {
"#]],
);
}
+
+#[test]
+fn test_match_group_zero_match() {
+ check(
+ r#"
+macro_rules! m { ( $($i:ident)* ) => (); }
+m!();
+"#,
+ expect![[r#"
+macro_rules! m { ( $($i:ident)* ) => (); }
+
+"#]],
+ );
+}
+
+#[test]
+fn test_match_group_in_group() {
+ check(
+ r#"
+macro_rules! m {
+ [ $( ( $($i:ident)* ) )* ] => [ x![$( ( $($i)* ) )*]; ]
+}
+m! ( (a b) );
+"#,
+ expect![[r#"
+macro_rules! m {
+ [ $( ( $($i:ident)* ) )* ] => [ x![$( ( $($i)* ) )*]; ]
+}
+x![(a b)];
+"#]],
+ )
+}