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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package cachekv_test | ||
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| import "crypto/rand" | ||
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| func randSlice(sliceSize int) []byte { | ||
| bz := make([]byte, sliceSize) | ||
| _, _ = rand.Read(bz) | ||
| return bz | ||
| } | ||
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| func incrementByteSlice(bz []byte) { | ||
| for index := len(bz) - 1; index >= 0; index-- { | ||
| if bz[index] < 255 { | ||
| bz[index]++ | ||
| break | ||
| } else { | ||
| bz[index] = 0 | ||
| } | ||
| } | ||
| } | ||
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| // Generate many keys starting at startKey, and are in sequential order | ||
| func generateSequentialKeys(startKey []byte, numKeys int) [][]byte { | ||
| toReturn := make([][]byte, 0, numKeys) | ||
| cur := make([]byte, len(startKey)) | ||
| copy(cur, startKey) | ||
| for i := 0; i < numKeys; i++ { | ||
| newKey := make([]byte, len(startKey)) | ||
| copy(newKey, cur) | ||
| toReturn = append(toReturn, newKey) | ||
| incrementByteSlice(cur) | ||
| } | ||
| return toReturn | ||
| } | ||
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| // Generate many random, unsorted keys | ||
| func generateRandomKeys(keySize int, numKeys int) [][]byte { | ||
| toReturn := make([][]byte, 0, numKeys) | ||
| for i := 0; i < numKeys; i++ { | ||
| newKey := randSlice(keySize) | ||
| toReturn = append(toReturn, newKey) | ||
| } | ||
| return toReturn | ||
| } |
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