test_printing.py 文件源码

def test_dagger():
    x = symbols('x')
    expr = Dagger(x)
    assert str(expr) == 'Dagger(x)'
    ascii_str = \
"""\
 +\n\
x \
"""
    ucode_str = \
u("""\
 †\n\
x \
""")
    assert pretty(expr) == ascii_str
    assert upretty(expr) == ucode_str
    assert latex(expr) == r'x^{\dag}'
    sT(expr, "Dagger(Symbol('x'))")