1 files changed, 42 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/expression_command/anonymous-struct/TestCallUserAnonTypedef.py b/packages/Python/lldbsuite/test/expression_command/anonymous-struct/TestCallUserAnonTypedef.py
new file mode 100644
index 000000000000..e1a53305a0d0
--- /dev/null
+++ b/packages/Python/lldbsuite/test/expression_command/anonymous-struct/TestCallUserAnonTypedef.py
@@ -0,0 +1,42 @@
+"""
+Test calling user defined functions using expression evaluation.
+This test checks that typesystem lookup works correctly for typedefs of
+untagged structures.
+
+Ticket: https://llvm.org/bugs/show_bug.cgi?id=26790
+"""
+
+from __future__ import print_function
+
+import lldb
+
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class TestExprLookupAnonStructTypedef(TestBase):
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        TestBase.setUp(self)
+        # Find the breakpoint
+        self.line = line_number('main.cpp', '// lldb testsuite break')
+
+    @expectedFailureAll(oslist=["windows"])
+    @expectedFailureAll(oslist=['linux'], archs=['arm'], bugnumber="llvm.org/pr27868")
+    def test(self):
+        """Test typedeffed untagged struct arguments for function call expressions"""
+        self.build()
+
+        self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
+        lldbutil.run_break_set_by_file_and_line(
+            self,
+            "main.cpp",
+            self.line,
+            num_expected_locations=-1,
+            loc_exact=True
+        )
+
+        self.runCmd("run", RUN_SUCCEEDED)
+        self.expect("expr multiply(&s)", substrs=['$0 = 1'])