2018-11-29 22:11:05 +00:00
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# beacon_chain
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# Copyright (c) 2018 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at http://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at http://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import
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2018-12-05 13:07:42 +00:00
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sequtils, unittest,
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../beacon_chain/spec/[helpers]
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2018-11-29 22:11:05 +00:00
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2018-12-05 13:07:42 +00:00
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suite "Spec helpers":
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test "is_power_of_2 should do its job":
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check:
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is_power_of_2(1) == true
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is_power_of_2(2) == true
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is_power_of_2(3) == false
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is_power_of_2(4) == true
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is_power_of_2(not 0'u64) == false
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