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-rw-r--r--tests/errors/dataclass_w1.pyx13
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/errors/dataclass_w1.pyx b/tests/errors/dataclass_w1.pyx
new file mode 100644
index 000000000..c0d9790e2
--- /dev/null
+++ b/tests/errors/dataclass_w1.pyx
@@ -0,0 +1,13 @@
+# mode: compile
+# tag: warnings
+
+from dataclass_w1_othermod cimport SomeBase
+from cython.dataclasses cimport dataclass
+
+@dataclass
+cdef class DC(SomeBase):
+ a: str = ""
+
+_WARNINGS = """
+8:5: Cannot reliably handle Cython dataclasses with base types in external modules since it is not possible to tell what fields they have
+"""