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-rw-r--r--src/engine/SCons/Node/NodeTests.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/engine/SCons/Node/NodeTests.py b/src/engine/SCons/Node/NodeTests.py
index 50de2b0..ad9eb66 100644
--- a/src/engine/SCons/Node/NodeTests.py
+++ b/src/engine/SCons/Node/NodeTests.py
@@ -1314,8 +1314,11 @@ class NodeTestCase(unittest.TestCase):
n1 = SCons.Node.Node()
n2 = SCons.Node.Node()
assert n1.waiting_parents == {}, n1.waiting_parents
- n1.add_to_waiting_parents(n2)
+ r = n1.add_to_waiting_parents(n2)
+ assert r == 1, r
assert n1.waiting_parents == {n2:1}, n1.waiting_parents
+ r = n1.add_to_waiting_parents(n2)
+ assert r == 0, r
def test_call_for_all_waiting_parents(self):
"""Test the call_for_all_waiting_parents() method"""