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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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from tvm import relay

def test_eta_expand_basic():
    mod = relay.Module()
    x = relay.var('x', 'int32')
    y = relay.var('y', 'int32')
    orig = relay.Function([x], x)
    got = relay.ir_pass.eta_expand(orig, mod)
    expected = relay.Function([y], orig(y))

    got = relay.ir_pass.infer_type(got, mod)
    expected = relay.ir_pass.infer_type(expected, mod)
    assert(relay.ir_pass.alpha_equal(got, expected))

if __name__ == "__main__":
    test_eta_expand_basic()