def test_add_to_super_before_alternative(cursor):
elems = from_latex("xy^{z}")
cursor.reparent(elems, 2)
cursor.handle_movement(Direction.LEFT, select=True)
cursor.insert_superscript_subscript()
assert elems.to_latex() == "x^{yz}"
assert cursor.owner is elems[1].exponent
def test_add_to_super_after(cursor):
elems = from_latex("x^{2}2")
cursor.reparent(elems, -1)
cursor.handle_movement(Direction.LEFT, select=True)
cursor.insert_superscript_subscript()
assert elems.to_latex() == "x^{22}"
assert cursor.owner is elems[1].exponent
def test_add_super_to_sub(cursor):
elems = from_latex("x_{3}")
cursor.reparent(elems, -1)
cursor.insert_superscript_subscript(superscript=True)
assert elems.to_latex() == "x_{3}^{}"
assert cursor.owner is elems[1].exponent
def test_add_sub_to_super(cursor):
elems = from_latex("x^{3}")
cursor.reparent(elems, -1)
cursor.insert_superscript_subscript(superscript=False)
assert elems.to_latex() == "x_{}^{3}"
assert cursor.owner is elems[1].subscript
def test_move_to_super_before(cursor):
elems = from_latex("x^{2}")
cursor.reparent(elems, 1)
cursor.insert_superscript_subscript()
assert elems.to_latex() == "x^{2}"
assert cursor.owner is elems[1].exponent
def test_insert_empty_super(cursor):
elems = from_latex("x")
cursor.reparent(elems, -1)
cursor.insert_superscript_subscript()
assert elems.to_latex() == r"x^{}"
assert cursor.owner is elems[1].exponent