def test_qexpr_commutative():
q1 = QExpr(x)
q2 = QExpr(y)
assert q1.is_commutative is False
assert q2.is_commutative is False
assert q1 * q2 != q2 * q1
q = QExpr._new_rawargs(0, 1, HilbertSpace())
assert q.is_commutative is False
def test_qexpr_new():
q = QExpr(0)
assert q.label == (0, )
assert q.hilbert_space == HilbertSpace()
assert q.is_commutative is False
q = QExpr(0, 1)
assert q.label == (Integer(0), Integer(1))
q = QExpr._new_rawargs(HilbertSpace(), Integer(0), Integer(1))
assert q.label == (Integer(0), Integer(1))
assert q.hilbert_space == HilbertSpace()
def test_qexpr():
q = QExpr('q')
assert str(q) == 'q'
assert pretty(q) == 'q'
assert upretty(q) == u'q'
assert latex(q) == r'q'
sT(q, "QExpr(Symbol('q'))")
def test_qexpr():
q = QExpr("q")
assert str(q) == "q"
assert pretty(q) == "q"
assert upretty(q) == u"q"
assert latex(q) == r"q"
sT(q, "QExpr(Symbol('q'))")
def test_sympy__physics__quantum__qexpr__QExpr():
from sympy.physics.quantum.qexpr import QExpr
assert _test_args(QExpr(0))
def test_qexpr_subs():
q1 = QExpr(x, y)
assert q1.subs(x, y) == QExpr(y, y)
assert q1.subs({x: 1, y: 2}) == QExpr(1, 2)
def test_qexpr_commutative_free_symbols():
q1 = QExpr(x)
assert q1.free_symbols.pop().is_commutative is False
q2 = QExpr("q2")
assert q2.free_symbols.pop().is_commutative is False
