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36 lines
966 B
Go
36 lines
966 B
Go
// Copyright (C) 2016 The Protocol Authors.
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package protocol
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import "testing"
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/*
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0 1 2 3
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0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Reserved | Hash |D|P|R|
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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func TestHashAlgorithmFromFlagBits(t *testing.T) {
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// SHA256 is algorithm zero, shifted three bits to the left (for clarity,
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// I know it doesn't actually do anything).
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sha256 := uint32(0 << 3)
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h, err := HashAlgorithmFromFlagBits(sha256)
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if err != nil {
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t.Error(err)
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}
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if h != SHA256 {
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t.Error("Zero should have unmarshalled as SHA256")
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}
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// Any other algorithm is unknown
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unknown := uint32(1 << 3)
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_, err = HashAlgorithmFromFlagBits(unknown)
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if err == nil {
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t.Error("Unknown algo should not have unmarshalled")
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}
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}
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