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-rw-r--r--crates/mbe/src/syntax_bridge.rs2
-rw-r--r--crates/mbe/src/tests/expand.rs24
2 files changed, 23 insertions, 3 deletions
diff --git a/crates/mbe/src/syntax_bridge.rs b/crates/mbe/src/syntax_bridge.rs
index 9d433b3b0..cfab99da8 100644
--- a/crates/mbe/src/syntax_bridge.rs
+++ b/crates/mbe/src/syntax_bridge.rs
@@ -213,7 +213,7 @@ fn doc_comment_text(comment: &ast::Comment) -> SmolStr {
213 213
214 // Quote the string 214 // Quote the string
215 // Note that `tt::Literal` expect an escaped string 215 // Note that `tt::Literal` expect an escaped string
216 let text = format!("{:?}", text.escape_debug().to_string()); 216 let text = format!("\"{}\"", text.escape_debug());
217 text.into() 217 text.into()
218} 218}
219 219
diff --git a/crates/mbe/src/tests/expand.rs b/crates/mbe/src/tests/expand.rs
index 8951f3813..84f19d3e2 100644
--- a/crates/mbe/src/tests/expand.rs
+++ b/crates/mbe/src/tests/expand.rs
@@ -921,7 +921,7 @@ fn test_meta_doc_comments() {
921 MultiLines Doc 921 MultiLines Doc
922 */ 922 */
923 }"#, 923 }"#,
924 "# [doc = \" Single Line Doc 1\"] # [doc = \"\\\\n MultiLines Doc\\\\n \"] fn bar () {}", 924 "# [doc = \" Single Line Doc 1\"] # [doc = \"\\n MultiLines Doc\\n \"] fn bar () {}",
925 ); 925 );
926} 926}
927 927
@@ -944,7 +944,27 @@ fn test_meta_doc_comments_non_latin() {
944 莊生曉夢迷蝴蝶,望帝春心託杜鵑。 944 莊生曉夢迷蝴蝶,望帝春心託杜鵑。
945 */ 945 */
946 }"#, 946 }"#,
947 "# [doc = \" 錦瑟無端五十弦,一弦一柱思華年。\"] # [doc = \"\\\\n 莊生曉夢迷蝴蝶,望帝春心託杜鵑。\\\\n \"] fn bar () {}", 947 "# [doc = \" 錦瑟無端五十弦,一弦一柱思華年。\"] # [doc = \"\\n 莊生曉夢迷蝴蝶,望帝春心託杜鵑。\\n \"] fn bar () {}",
948 );
949}
950
951#[test]
952fn test_meta_doc_comments_escaped_characters() {
953 parse_macro(
954 r#"
955 macro_rules! foo {
956 ($(#[$ i:meta])+) => (
957 $(#[$ i])+
958 fn bar() {}
959 )
960 }
961"#,
962 )
963 .assert_expand_items(
964 r#"foo! {
965 /// \ " '
966 }"#,
967 r#"# [doc = " \\ \" \'"] fn bar () {}"#,
948 ); 968 );
949} 969}
950 970