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Add unit test for QSimSimulator.get_seed #1027

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Add unit test for QSimSimulator.get_seed #1027

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593bb1c
🧪 Add unit test for QSimSimulator.get_seed
mhucka Mar 26, 2026
f98aea8
Update qsimcirq_tests/qsimcirq_test.py
mhucka Mar 26, 2026
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18 changes: 18 additions & 0 deletions qsimcirq_tests/qsimcirq_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2196,3 +2196,21 @@ def test_1d_representation():
want = np.array([0.0 - 0.5j, 0.0 + 0.5j, 0.0 - 0.5j, 0.0 + 0.5j])
_, res, _ = qsim_sim.simulate_into_1d_array(c)
np.testing.assert_allclose(res, np.array(want, dtype=np.complex64))


def test_get_seed():
# Test range.
qsim_sim = qsimcirq.QSimSimulator(seed=42)
for _ in range(100):
seed = qsim_sim.get_seed()
assert 0 <= seed < 2**31 - 1

# Test determinism.
sim1 = qsimcirq.QSimSimulator(seed=42)
sim2 = qsimcirq.QSimSimulator(seed=42)
assert sim1.get_seed() == sim2.get_seed()

# Test subsequent calls.
sim = qsimcirq.QSimSimulator(seed=42)
seeds = {sim.get_seed() for _ in range(10)}
assert len(seeds) > 1
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