def test_vgroup_remove():
"""Test the VGroup remove method."""
a = VMobject()
c = VMobject()
b = VGroup(c)
obj = VGroup(a, b)
assert len(obj.submobjects) == 2
assert len(b.submobjects) == 1
obj.remove(a)
b.remove(c)
assert len(obj.submobjects) == 1
assert len(b.submobjects) == 0
obj.remove(b)
assert len(obj.submobjects) == 0
def test_vgroup_remove(using_opengl_renderer):
"""Test the VGroup remove method."""
a = OpenGLVMobject()
c = OpenGLVMobject()
b = VGroup(c)
obj = VGroup(a, b)
assert len(obj.submobjects) == 2
assert len(b.submobjects) == 1
obj.remove(a)
b.remove(c)
assert len(obj.submobjects) == 1
assert len(b.submobjects) == 0
obj.remove(b)
assert len(obj.submobjects) == 0
