From 864c3d58801d5afcb69879720c1e0ed4d305cc73 Mon Sep 17 00:00:00 2001
From: Young-Flash <dongyang@apache.org>
Date: Mon, 5 Feb 2024 17:52:50 +0800
Subject: [PATCH] test: add method_call_missing_argument_list error test

---
 crates/parser/src/grammar/expressions.rs      |  6 ++
 ...028_method_call_missing_argument_list.rast | 56 +++++++++++++++++++
 .../0028_method_call_missing_argument_list.rs |  4 ++
 3 files changed, 66 insertions(+)
 create mode 100644 crates/parser/test_data/parser/inline/err/0028_method_call_missing_argument_list.rast
 create mode 100644 crates/parser/test_data/parser/inline/err/0028_method_call_missing_argument_list.rs

diff --git a/crates/parser/src/grammar/expressions.rs b/crates/parser/src/grammar/expressions.rs
index 405ddba01d8d..e99c111d39e2 100644
--- a/crates/parser/src/grammar/expressions.rs
+++ b/crates/parser/src/grammar/expressions.rs
@@ -532,6 +532,12 @@ fn method_call_expr<const FLOAT_RECOVERY: bool>(
         arg_list(p);
     } else {
         // emit an error when argument list is missing
+
+        // test_err method_call_missing_argument_list
+        // fn func() {
+        //     foo.bar::<>
+        //     foo.bar::<i32>;
+        // }
         p.error("expected argument list");
     }
     m.complete(p, METHOD_CALL_EXPR)
diff --git a/crates/parser/test_data/parser/inline/err/0028_method_call_missing_argument_list.rast b/crates/parser/test_data/parser/inline/err/0028_method_call_missing_argument_list.rast
new file mode 100644
index 000000000000..02544b5e5326
--- /dev/null
+++ b/crates/parser/test_data/parser/inline/err/0028_method_call_missing_argument_list.rast
@@ -0,0 +1,56 @@
+SOURCE_FILE
+  FN
+    FN_KW "fn"
+    WHITESPACE " "
+    NAME
+      IDENT "func"
+    PARAM_LIST
+      L_PAREN "("
+      R_PAREN ")"
+    WHITESPACE " "
+    BLOCK_EXPR
+      STMT_LIST
+        L_CURLY "{"
+        WHITESPACE "\n    "
+        EXPR_STMT
+          METHOD_CALL_EXPR
+            PATH_EXPR
+              PATH
+                PATH_SEGMENT
+                  NAME_REF
+                    IDENT "foo"
+            DOT "."
+            NAME_REF
+              IDENT "bar"
+            GENERIC_ARG_LIST
+              COLON2 "::"
+              L_ANGLE "<"
+              R_ANGLE ">"
+        WHITESPACE "\n    "
+        EXPR_STMT
+          METHOD_CALL_EXPR
+            PATH_EXPR
+              PATH
+                PATH_SEGMENT
+                  NAME_REF
+                    IDENT "foo"
+            DOT "."
+            NAME_REF
+              IDENT "bar"
+            GENERIC_ARG_LIST
+              COLON2 "::"
+              L_ANGLE "<"
+              TYPE_ARG
+                PATH_TYPE
+                  PATH
+                    PATH_SEGMENT
+                      NAME_REF
+                        IDENT "i32"
+              R_ANGLE ">"
+          SEMICOLON ";"
+        WHITESPACE "\n"
+        R_CURLY "}"
+  WHITESPACE "\n"
+error 27: expected argument list
+error 27: expected SEMICOLON
+error 46: expected argument list
diff --git a/crates/parser/test_data/parser/inline/err/0028_method_call_missing_argument_list.rs b/crates/parser/test_data/parser/inline/err/0028_method_call_missing_argument_list.rs
new file mode 100644
index 000000000000..7c8baecaa9c7
--- /dev/null
+++ b/crates/parser/test_data/parser/inline/err/0028_method_call_missing_argument_list.rs
@@ -0,0 +1,4 @@
+fn func() {
+    foo.bar::<>
+    foo.bar::<i32>;
+}