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aeb4b96560
* [NOD-1451] Implement block validator * [NOD-1451] Implement block validator * [NOD-1451] Fix merge errors * [NOD-1451] Implement block validator * [NOD-1451] Implement checkTransactionInIsolation * [NOD-1451] Copy txscript to validator * [NOD-1451] Change txscript to new design * [NOD-1451] Add checkTransactionInContext * [NOD-1451] Add checkBlockSize * [NOD-1451] Add error handling * [NOD-1451] Implement checkTransactionInContext * [NOD-1451] Add checkTransactionMass placeholder * [NOD-1451] Finish validators * [NOD-1451] Add comments and stringers * [NOD-1451] Return model.TransactionValidator interface * [NOD-1451] Premake rule errors for each "code" * [NOD-1451] Populate transaction mass * [NOD-1451] Renmae functions * [NOD-1451] Always use skipPow=false * [NOD-1451] Renames * [NOD-1451] Remove redundant types from WriteElement * [NOD-1451] Fix error message * [NOD-1451] Add checkTransactionPayload * [NOD-1451] Add ValidateProofOfWorkAndDifficulty to block validator interface * [NOD-1451] Move stringers to model * [NOD-1451] Fix error message
36 lines
713 B
Go
36 lines
713 B
Go
package math
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import (
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"testing"
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)
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func TestFastLog2Floor(t *testing.T) {
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tests := []struct {
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n uint64
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expectedResult uint8
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}{
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{1, 0},
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{2, 1},
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{3, 1},
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{4, 2},
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{5, 2},
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{16, 4},
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{31, 4},
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{1684234, 20},
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{4294967295, 31}, // math.MaxUint32 (2^32 - 1)
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{4294967296, 32}, // 2^32
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{4294967297, 32}, // 2^32 + 1
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{4611686018427387904, 62},
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{9223372036854775808, 63}, // 2^63
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{18446744073709551615, 63}, // math.MaxUint64 (2^64 - 1).
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}
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for _, test := range tests {
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actualResult := FastLog2Floor(test.n)
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if test.expectedResult != actualResult {
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t.Errorf("TestFastLog2Floor: %d: expected result: %d but got: %d", test.n, test.expectedResult, actualResult)
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}
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}
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}
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