From 8d228cf66f316803e95685d6553084f3d60cd9c5 Mon Sep 17 00:00:00 2001
From: "Erlend E. Aasland" <erlend@python.org>
Date: Fri, 21 Jul 2023 08:02:39 +0200
Subject: gh-106368: Increase Argument Clinic test coverage for IndentStack
 (#106933)

---
 Lib/test/test_clinic.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Lib/test/test_clinic.py b/Lib/test/test_clinic.py
index e925ecc..7c725e3 100644
--- a/Lib/test/test_clinic.py
+++ b/Lib/test/test_clinic.py
@@ -1035,6 +1035,25 @@ class ClinicParserTest(_ParserBase):
                 Nested docstring here, goeth.
         """)
 
+    def test_indent_stack_no_tabs(self):
+        out = self.parse_function_should_fail("""
+            module foo
+            foo.bar
+               *vararg1: object
+            \t*vararg2: object
+        """)
+        msg = "Tab characters are illegal in the Clinic DSL."
+        self.assertIn(msg, out)
+
+    def test_indent_stack_illegal_outdent(self):
+        out = self.parse_function_should_fail("""
+            module foo
+            foo.bar
+              a: object
+             b: object
+        """)
+        self.assertIn("Illegal outdent", out)
+
     def test_directive(self):
         c = FakeClinic()
         parser = DSLParser(c)
-- 
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