Break up TestCommandLine.test_env_var into four distinct tests.
diff --git a/Lib/test/test_tracemalloc.py b/Lib/test/test_tracemalloc.py
index 33b0dc2..bc22450 100644
--- a/Lib/test/test_tracemalloc.py
+++ b/Lib/test/test_tracemalloc.py
@@ -748,26 +748,28 @@
class TestCommandLine(unittest.TestCase):
- def test_env_var(self):
+ def test_env_var_disabled_by_default(self):
# not tracing by default
code = 'import tracemalloc; print(tracemalloc.is_tracing())'
ok, stdout, stderr = assert_python_ok('-c', code)
stdout = stdout.rstrip()
self.assertEqual(stdout, b'False')
- # PYTHON* environment variables must be ignored when -E option is
- # present
+ def test_env_var_ignored_with_E(self):
+ """PYTHON* environment variables must be ignored when -E is present."""
code = 'import tracemalloc; print(tracemalloc.is_tracing())'
ok, stdout, stderr = assert_python_ok('-E', '-c', code, PYTHONTRACEMALLOC='1')
stdout = stdout.rstrip()
self.assertEqual(stdout, b'False')
+ def test_env_var_enabled_at_startup(self):
# tracing at startup
code = 'import tracemalloc; print(tracemalloc.is_tracing())'
ok, stdout, stderr = assert_python_ok('-c', code, PYTHONTRACEMALLOC='1')
stdout = stdout.rstrip()
self.assertEqual(stdout, b'True')
+ def test_env_limit(self):
# start and set the number of frames
code = 'import tracemalloc; print(tracemalloc.get_traceback_limit())'
ok, stdout, stderr = assert_python_ok('-c', code, PYTHONTRACEMALLOC='10')