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_move_to_next_list(cursor):
elems = from_latex(r"\frac{3}{2}")
cursor.reparent(elems[0].numerator, -1)
cursor.handle_movement(Direction.RIGHT)
assert cursor.owner is elems[0].denominator
assert cursor.pos == 0
def test_move_to_previous_list(cursor):
elems = from_latex(r"\frac{3}{2}")
cursor.reparent(elems[0].denominator, 0)
cursor.handle_movement(Direction.LEFT)
assert cursor.owner is elems[0].numerator
assert cursor.pos == 1
def test_handle_movement_down_out(cursor):
elems = from_latex(r"\abs{x}")
cursor.reparent(elems[0].argument, -1)
cursor.handle_movement(Direction.DOWN)
assert cursor.owner is elems
assert cursor.pos == 1