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-rw-r--r--tests/errors/dataclass_e2.pyx13
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diff --git a/tests/errors/dataclass_e2.pyx b/tests/errors/dataclass_e2.pyx
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+++ b/tests/errors/dataclass_e2.pyx
@@ -0,0 +1,13 @@
+# mode: error
+# tag: dataclass
+
+import dataclasses
+
+@dataclasses.dataclass
+cdef class C:
+ pass
+
+_ERRORS = """
+6:0: Cdef functions/classes cannot take arbitrary decorators.
+6:0: Use '@cython.dataclasses.dataclass' on cdef classes to create a dataclass
+"""