def test_is_content_range_valid():
assert not _is_content_range_valid( None, 99, 90)
assert not _is_content_range_valid( 99, None, 90)
assert _is_content_range_valid(None, None, 90)
assert not _is_content_range_valid(None, 99, 90)
assert _is_content_range_valid(0, 99, None)
assert not _is_content_range_valid(0, 99, 90, response=True)
assert _is_content_range_valid(9, 99, None, response=True)
assert _is_content_range_valid(0, 99, 90)
def test_is_content_range_valid():
assert not _is_content_range_valid(None, 99, 90)
assert not _is_content_range_valid(99, None, 90)
assert _is_content_range_valid(None, None, 90)
assert not _is_content_range_valid(None, 99, 90)
assert _is_content_range_valid(0, 99, None)
assert not _is_content_range_valid(0, 99, 90, response=True)
assert _is_content_range_valid(0, 99, 90)
def test_is_content_range_valid_stop_greater_than_length():
contentrange = ContentRange(0, 99, 100)
assert_equal(_is_content_range_valid(0, 99, 90), True)
def test_is_content_range_valid_length_none():
contentrange = ContentRange(0, 99, 100)
assert_equal(_is_content_range_valid(0, 99, None), True)
def test_is_content_range_valid_stop_greater_than_length_response():
contentrange = ContentRange(0, 99, 100)
assert_equal(_is_content_range_valid(0, 99, 90, response=True), False)
def test_is_content_range_valid_start_none():
contentrange = ContentRange(0, 99, 100)
assert_equal(_is_content_range_valid(None, 99, 90), False)
def test_is_content_range_valid_stop_greater_than_length():
contentrange = ContentRange(0, 99, 100)
assert_equal(_is_content_range_valid(0, 99, 90), True)
def test_is_content_range_valid_stop_greater_than_length_response():
contentrange = ContentRange(0, 99, 100)
assert_equal(_is_content_range_valid(0, 99, 90, response=True), False)
def test_is_content_range_valid_length_none():
contentrange = ContentRange(0, 99, 100)
assert_equal(_is_content_range_valid(0, 99, None), True)
def test_is_content_range_valid_start_none():
contentrange = ContentRange(0, 99, 100)
assert_equal(_is_content_range_valid(None, 99, 90), False)
