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Add a test for logic that accidentally got in untested #2930

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merged 3 commits into from
Aug 11, 2022
Merged

Add a test for logic that accidentally got in untested #2930

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e9e27e1
add test
albi3ro Aug 11, 2022
d576a56
Trigger CI
rmoyard Aug 11, 2022
4576718
Merge branch 'v0.25.0-rc0' into add-test-coverage
rmoyard Aug 11, 2022
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9 changes: 9 additions & 0 deletions tests/ops/op_math/test_adjoint_op.py
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Original file line number Diff line number Diff line change
Expand Up @@ -502,6 +502,15 @@ def test_do_queue_False(self):
class TestMatrix:
"""Test the matrix method for a variety of interfaces."""

def test_batching_error(self):
"""Test that a MatrixUndefinedError is raised if the base is batched."""
x = qml.numpy.array([0.1, 0.2, 0.3])
base = qml.RX(x, wires=0)
op = Adjoint(base)

with pytest.raises(qml.operation.MatrixUndefinedError):
op.matrix()

def check_matrix(self, x, interface):
"""Compares matrices in a interface independent manner."""
base = qml.RX(x, wires=0)
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