def test_sequence_length():
s1 = 5
s2 = 3
a = C.sequence.input_variable(1)
b = length(a)
n1 = np.random.random((s1, 1)).astype(np.float32)
n2 = np.random.random((s2, 1)).astype(np.float32)
result = b.eval({a: [n1, n2]})
assert result[0][0] == s1, result[0][0]
assert result[1][0] == s2, result[0][0]
def test_sequence_pad1():
pattern = (2, 2)
input_dim = 10
s1 = 5
s2 = 3
a = C.sequence.input_variable(input_dim)
b = pad(a, pattern)
c = length(b)
n1 = np.random.random((s1, input_dim)).astype(np.float32)
n2 = np.random.random((s2, input_dim)).astype(np.float32)
result = c.eval({a: [n1, n2]})
assert result[0][0] == s1 + sum(pattern), result[0][0]
assert result[1][0] == s2 + sum(pattern), result[0][0]
assert b.shape == (input_dim, )