bc592f6fea1ed5121a69794a4d08aeb7a5fa07f5,tests/test_contract.py,,test_contract_expression_checks,#,153

Before Change

    with pytest.raises(IndexError):
        expr(np.random.rand(2, 3))
    with pytest.raises(ValueError):
        expr(np.random.rand(2, 3, 4), np.random.rand(3, 4))
    with pytest.raises(ValueError):
        expr(np.random.rand(2, 4), np.random.rand(3, 4, 5))

After Change

    expr = contract_expression("ab,bc->ac", (2, 3), (3, 4))

    // too few arguments
    with pytest.raises(ValueError) as err:
        expr(np.random.rand(2, 3))
    assert "`ContractExpression` takes exactly 2" in str(err)

Instances