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-rw-r--r--Lib/test/test_compile.py38
1 files changed, 38 insertions, 0 deletions
diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py
index 80b32de..e226964 100644
--- a/Lib/test/test_compile.py
+++ b/Lib/test/test_compile.py
@@ -1166,6 +1166,44 @@ f(
tree.body[0] = new_node
compile(tree, "<test>", "exec")
+ def test_push_null_load_global_positions(self):
+ source_template = """
+ import abc, dis
+ import ast as art
+
+ abc = None
+ dix = dis
+ ast = art
+
+ def f():
+ {}
+ """
+ for body in [
+ " abc.a()",
+ " art.a()",
+ " ast.a()",
+ " dis.a()",
+ " dix.a()",
+ " abc[...]()",
+ " art()()",
+ " (ast or ...)()",
+ " [dis]()",
+ " (dix + ...)()",
+ ]:
+ with self.subTest(body):
+ namespace = {}
+ source = textwrap.dedent(source_template.format(body))
+ exec(source, namespace)
+ code = namespace["f"].__code__
+ self.assertOpcodeSourcePositionIs(
+ code,
+ "LOAD_GLOBAL",
+ line=10,
+ end_line=10,
+ column=4,
+ end_column=7,
+ )
+
class TestExpressionStackSize(unittest.TestCase):
# These tests check that the computed stack size for a code object