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linedance-app/venv/lib/python3.12/site-packages/numba/tests/test_byteflow.py

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+"""
+Test byteflow.py specific issues
+"""
+import unittest
+
+from numba.tests.support import TestCase
+from numba.core.compiler import run_frontend
+
+
+class TestByteFlowIssues(TestCase):
+    def test_issue_5087(self):
+        # This is an odd issue. The exact number of print below is
+        # necessary to trigger it. Too many or too few will alter the behavior.
+        # Also note that the function below will not be executed. The problem
+        # occurs at compilation. The definition below is invalid for execution.
+        # The problem occurs in the bytecode analysis.
+        def udt():
+            print
+            print
+            print
+
+            for i in range:
+                print
+                print
+                print
+                print
+                print
+                print
+                print
+                print
+                print
+                print
+                print
+                print
+                print
+                print
+                print
+                print
+                print
+                print
+
+                for j in range:
+                    print
+                    print
+                    print
+                    print
+                    print
+                    print
+                    print
+                    for k in range:
+                        for l in range:
+                            print
+
+                    print
+                    print
+                    print
+                    print
+                    print
+                    print
+                    print
+                    print
+                    print
+                    if print:
+                        for n in range:
+                            print
+                    else:
+                        print
+
+        run_frontend(udt)
+
+    def test_issue_5097(self):
+        # Inspired by https://github.com/numba/numba/issues/5097
+        def udt():
+            for i in range(0):
+                if i > 0:
+                    pass
+                a = None # noqa: F841
+
+        run_frontend(udt)
+
+    def test_issue_5680(self):
+        # From https://github.com/numba/numba/issues/5680#issuecomment-625351336
+        def udt():
+            for k in range(0):
+                if 1 == 1:
+                    ...
+                if 'a' == 'a':
+                    ...
+
+        run_frontend(udt)
+
+
+if __name__ == '__main__':
+    unittest.main()