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-rwxr-xr-xtools/perf/pmu-events/metric_test.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/pmu-events/metric_test.py b/tools/perf/pmu-events/metric_test.py
index ee22ff43ddd7..8acfe4652b55 100755
--- a/tools/perf/pmu-events/metric_test.py
+++ b/tools/perf/pmu-events/metric_test.py
@@ -61,6 +61,10 @@ class TestMetricExpressions(unittest.TestCase):
after = before
self.assertEqual(ParsePerfJson(before).ToPerfJson(), after)
+ before = r'a + 3e-12 + b'
+ after = before
+ self.assertEqual(ParsePerfJson(before).ToPerfJson(), after)
+
def test_IfElseTests(self):
# if-else needs rewriting to Select and back.
before = r'Event1 if #smt_on else Event2'