add tt matcher

2019-04-19 19:41:59 +08:00
parent 762819864f
commit 59b6cc780b
2 changed files with 28 additions and 0 deletions
--- a/crates/ra_mbe/src/lib.rs
+++ b/crates/ra_mbe/src/lib.rs
@@ -762,4 +762,28 @@ MACRO_ITEMS@[0; 40)
            r#"# [cfg (target_os = "windows")] fn bar () {}"#,
        );
    }
+
+    #[test]
+    fn test_tt_block() {
+        let rules = create_rules(
+            r#"
+        macro_rules! foo {
+            ($ i:tt) => { fn foo() $ i }
+        }
+"#,
+        );
+        assert_expansion(&rules, r#"foo! { { 1; } }"#, r#"fn foo () {1 ;}"#);
+    }
+
+    #[test]
+    fn test_tt_group() {
+        let rules = create_rules(
+            r#"
+        macro_rules! foo {
+             ($($ i:tt)*) => { $($ i)* }
+        }
+"#,
+        );
+        assert_expansion(&rules, r#"foo! { fn foo() {} }"#, r#"fn foo () {}"#);
+    }
 }