bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/proc-macro-srv/src/tests/mod.rs')
-rw-r--r--crates/proc-macro-srv/src/tests/mod.rs102
1 files changed, 102 insertions, 0 deletions
diff --git a/crates/proc-macro-srv/src/tests/mod.rs b/crates/proc-macro-srv/src/tests/mod.rs
new file mode 100644
index 0000000000..9356e6dcb0
--- /dev/null
+++ b/crates/proc-macro-srv/src/tests/mod.rs
@@ -0,0 +1,102 @@
+//! proc-macro tests
+
+#[macro_use]
+mod utils;
+use expect_test::expect;
+use paths::AbsPathBuf;
+use utils::*;
+
+#[test]
+fn test_derive_empty() {
+ assert_expand("DeriveEmpty", r#"struct S;"#, expect![[r#"SUBTREE $"#]]);
+}
+
+#[test]
+fn test_derive_error() {
+ assert_expand(
+ "DeriveError",
+ r#"struct S;"#,
+ expect![[r##"
+ SUBTREE $
+ IDENT compile_error 4294967295
+ PUNCH ! [alone] 4294967295
+ SUBTREE () 4294967295
+ LITERAL "#[derive(DeriveError)] struct S ;" 4294967295
+ PUNCH ; [alone] 4294967295"##]],
+ );
+}
+
+#[test]
+fn test_fn_like_macro() {
+ assert_expand(
+ "fn_like_noop",
+ r#"ident, 0, 1, []"#,
+ expect![[r#"
+ SUBTREE $
+ IDENT ident 4294967295
+ PUNCH , [alone] 4294967295
+ LITERAL 0 4294967295
+ PUNCH , [alone] 4294967295
+ LITERAL 1 4294967295
+ PUNCH , [alone] 4294967295
+ SUBTREE [] 4294967295"#]],
+ );
+}
+
+#[test]
+fn test_fn_like_macro2() {
+ assert_expand(
+ "fn_like_clone_tokens",
+ r#"ident, []"#,
+ expect![[r#"
+ SUBTREE $
+ IDENT ident 4294967295
+ PUNCH , [alone] 4294967295
+ SUBTREE [] 4294967295"#]],
+ );
+}
+
+#[test]
+fn test_attr_macro() {
+ // Corresponds to
+ // #[proc_macro_test::attr_error(some arguments)]
+ // mod m {}
+ assert_expand_attr(
+ "attr_error",
+ r#"mod m {}"#,
+ r#"some arguments"#,
+ expect![[r##"
+ SUBTREE $
+ IDENT compile_error 4294967295
+ PUNCH ! [alone] 4294967295
+ SUBTREE () 4294967295
+ LITERAL "#[attr_error(some arguments)] mod m {}" 4294967295
+ PUNCH ; [alone] 4294967295"##]],
+ );
+}
+
+/// Tests that we find and classify all proc macros correctly.
+#[test]
+fn list_test_macros() {
+ let res = list().join("\n");
+
+ expect![[r#"
+ fn_like_noop [FuncLike]
+ fn_like_panic [FuncLike]
+ fn_like_error [FuncLike]
+ fn_like_clone_tokens [FuncLike]
+ attr_noop [Attr]
+ attr_panic [Attr]
+ attr_error [Attr]
+ DeriveEmpty [CustomDerive]
+ DerivePanic [CustomDerive]
+ DeriveError [CustomDerive]"#]]
+ .assert_eq(&res);
+}
+
+#[test]
+fn test_version_check() {
+ let path = AbsPathBuf::assert(fixtures::proc_macro_test_dylib_path());
+ let info = proc_macro_api::read_dylib_info(&path).unwrap();
+ assert!(info.version.1 >= 50);
+}