def test_Angle_libre():
x = random()
a = Angle_libre(x)
assertAlmostEqual(a.deg, x*180/math.pi)
assertAlmostEqual(a.grad, x*200/math.pi)
assertAlmostEqual(a.rad, x)
assertAlmostEqual(a.val, x)
assertAlmostEqual(math.sin(a.val), math.sin(x))
assertAlmostEqual(math.cos(a.val), math.cos(x))
assertAlmostEqual(math.tan(a.val), math.tan(x))
y = x*180/math.pi
a = Angle_libre(y, u"°")
assertAlmostEqual(a.deg, y)
assertAlmostEqual(a.grad, x*200/math.pi)
assertAlmostEqual(a.rad, x)
assertNotAlmostEqual(a.val, a.deg)
assertAlmostEqual(u_sin(a), math.sin(x))
assertAlmostEqual(u_cos(a), math.cos(x))
assertAlmostEqual(u_tan(a), math.tan(x))
a.style(unite="g")
assertNotAlmostEqual(a.val, a.grad)
b = Angle_libre(u"45°")
assertAlmostEqual(b.rad, math.pi/4)
f = Feuille()
f.objets.A = Point(40, 20)
f.objets.k = Variable("A.x+5")
f.objets.c = Angle_libre(f.objets.k, "d")
f.objets.d = Angle_libre("A.x+5", "d")
assert(f.objets.c.rad is not None)
assertAlmostEqual(b.rad, f.objets.c.rad)
assertAlmostEqual(f.objets.d.rad, f.objets.c.rad)
