bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/mbe/src/tests/rule.rs')
-rw-r--r--crates/mbe/src/tests/rule.rs48
1 files changed, 0 insertions, 48 deletions
diff --git a/crates/mbe/src/tests/rule.rs b/crates/mbe/src/tests/rule.rs
deleted file mode 100644
index 691e359e4d..0000000000
--- a/crates/mbe/src/tests/rule.rs
+++ /dev/null
@@ -1,48 +0,0 @@
-use syntax::{ast, AstNode};
-
-use super::*;
-
-#[test]
-fn test_valid_arms() {
- fn check(macro_body: &str) {
- let m = parse_macro_arm(macro_body);
- m.unwrap();
- }
-
- check("($i:ident) => ()");
- check("($(x),*) => ()");
- check("($(x)_*) => ()");
- check("($(x)i*) => ()");
- check("($($i:ident)*) => ($_)");
- check("($($true:ident)*) => ($true)");
- check("($($false:ident)*) => ($false)");
- check("($) => ($)");
-}
-
-#[test]
-fn test_invalid_arms() {
- fn check(macro_body: &str, err: ParseError) {
- let m = parse_macro_arm(macro_body);
- assert_eq!(m, Err(err));
- }
- check("invalid", ParseError::Expected("expected subtree".into()));
-
- check("$i:ident => ()", ParseError::Expected("expected subtree".into()));
- check("($i:ident) ()", ParseError::Expected("expected `=`".into()));
- check("($($i:ident)_) => ()", ParseError::InvalidRepeat);
-
- check("($i) => ($i)", ParseError::UnexpectedToken("bad fragment specifier 1".into()));
- check("($i:) => ($i)", ParseError::UnexpectedToken("bad fragment specifier 1".into()));
- check("($i:_) => ()", ParseError::UnexpectedToken("bad fragment specifier 1".into()));
-}
-
-fn parse_macro_arm(arm_definition: &str) -> Result<crate::MacroRules, ParseError> {
- let macro_definition = format!(" macro_rules! m {{ {} }} ", arm_definition);
- let source_file = ast::SourceFile::parse(&macro_definition).ok().unwrap();
- let macro_definition =
- source_file.syntax().descendants().find_map(ast::MacroRules::cast).unwrap();
-
- let (definition_tt, _) =
- syntax_node_to_token_tree(macro_definition.token_tree().unwrap().syntax());
- crate::MacroRules::parse(&definition_tt)
-}