mirror of https://github.com/status-im/nim-eth.git
69 lines
2.5 KiB
Nim
69 lines
2.5 KiB
Nim
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{.used.}
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import
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../../eth/[rlp, common],
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unittest2
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# Optionals in between mandatory fields for the convenience of
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# implementation. According to the spec all optionals appear
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# after mandatory fields. Moreover, an empty optional field
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# cannot and will not appear before a non-empty optional field
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type ObjectWithOptionals = object
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a* : uint64
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b* : uint64
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c* : Opt[uint64] # should not count this as optional
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d* : Opt[uint64] # should not count this as optional
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e* : uint64
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f* : uint64
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g* : uint64
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h* : Opt[uint64] # should not count this as optional
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i* : Opt[uint64] # should not count this as optional
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j* : Opt[uint64] # should not count this as optional
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k* : uint64
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l* : Opt[uint64] # should count this as an optional
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m* : Opt[uint64] # should count this as an optional
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n* : Opt[uint64] # should count this as an optional
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var
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objWithEmptyOptional: ObjectWithOptionals
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objWithNonEmptyOptional: ObjectWithOptionals
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objWithNonEmptyTrailingOptionals: ObjectWithOptionals
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objWithEmptyTrailingOptionals: ObjectWithOptionals
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objWithNonEmptyOptional.c = Opt.some(0'u64)
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objWithNonEmptyOptional.d = Opt.some(0'u64)
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objWithNonEmptyOptional.h = Opt.some(0'u64)
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objWithNonEmptyOptional.i = Opt.some(0'u64)
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objWithNonEmptyOptional.j = Opt.some(0'u64)
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objWithNonEmptyOptional.l = Opt.some(0'u64)
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objWithNonEmptyOptional.m = Opt.some(0'u64)
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objWithNonEmptyOptional.n = Opt.some(0'u64)
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objWithNonEmptyTrailingOptionals.l = Opt.some(0'u64)
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objWithNonEmptyTrailingOptionals.m = Opt.some(0'u64)
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objWithNonEmptyTrailingOptionals.n = Opt.some(0'u64)
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objWithEmptyTrailingOptionals.c = Opt.some(0'u64)
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objWithEmptyTrailingOptionals.d = Opt.some(0'u64)
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objWithEmptyTrailingOptionals.h = Opt.some(0'u64)
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objWithEmptyTrailingOptionals.i = Opt.some(0'u64)
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objWithEmptyTrailingOptionals.j = Opt.some(0'u64)
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suite "test optional fields":
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test "all optionals are empty":
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let bytes = rlp.encode(objWithEmptyOptional)
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check: bytes.len == 7 # 6 mandatory fields + prefix byte
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test "all optionals are non empty":
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let bytes = rlp.encode(objWithNonEmptyOptional)
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check: bytes.len == 15 # 6 mandatory + 8 optional + prefix
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test "Only trailing optionals are non empty":
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let bytes = rlp.encode(objWithNonEmptyTrailingOptionals)
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check: bytes.len == 10 # 6 mandatory + 3 trailing optional + prefix
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test "Only trailing optionals are empty":
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let bytes = rlp.encode(objWithEmptyTrailingOptionals)
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check: bytes.len == 12 # 6 mandatory + 5 non trailing + prefix
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