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WIP: migrate github.com/spaolacci/murmur3 to github.com/twmb/murmur3
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| // Copyright (c) 2020 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| // Package murmur3test contains some tests for converting github.com/spaolacci/murmur3 to | ||
| // github.com/twmb/murmur3. | ||
| package murmur3test |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| // Copyright (c) 2020 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package murmur3test | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/leanovate/gopter" | ||
| "github.com/leanovate/gopter/gen" | ||
| "github.com/leanovate/gopter/prop" | ||
| spaolaccimurmur3 "github.com/spaolacci/murmur3" | ||
| twmbmurmur3 "github.com/twmb/murmur3" | ||
| ) | ||
|
|
||
| func TestMurmurSum32(t *testing.T) { | ||
| properties := gopter.NewProperties(newGopterTestParameters()) | ||
| properties.Property("twmb matches spaolacci", prop.ForAll( | ||
| func(v []byte) bool { | ||
| return twmbmurmur3.Sum32(v) == spaolaccimurmur3.Sum32(v) | ||
| }, | ||
| newByteGen(), | ||
| )) | ||
|
|
||
| properties.TestingRun(t) | ||
| } | ||
|
|
||
| func TestMurmurSum128(t *testing.T) { | ||
| properties := gopter.NewProperties(newGopterTestParameters()) | ||
| properties.Property("twmb matches spaolacci", prop.ForAll( | ||
| func(v []byte) bool { | ||
| twmbH1, twmbH2 := twmbmurmur3.Sum128(v) | ||
| spH1, spH2 := spaolaccimurmur3.Sum128(v) | ||
| return spH1 == twmbH1 && spH2 == twmbH2 | ||
| }, | ||
| newByteGen(), | ||
| )) | ||
|
|
||
| properties.TestingRun(t) | ||
| } | ||
|
|
||
| func TestMurmurSeedSum32(t *testing.T) { | ||
| properties := gopter.NewProperties(newGopterTestParameters()) | ||
| properties.Property("twmb matches spaolacci", prop.ForAll( | ||
| func(seed uint32, data []byte) bool { | ||
| return twmbmurmur3.SeedSum32(seed, data) == spaolaccimurmur3.Sum32WithSeed(data, seed) | ||
| }, | ||
| gen.UInt32(), | ||
| newByteGen(), | ||
| )) | ||
|
|
||
| properties.TestingRun(t) | ||
| } | ||
|
|
||
| func newGopterTestParameters() *gopter.TestParameters { | ||
| params := gopter.DefaultTestParameters() | ||
| params.MinSuccessfulTests = 100000 | ||
|
|
||
| return params | ||
| } | ||
|
|
||
| // newByteGen returns a gopter generator for an []byte. All bytes (not just valid UTF-8) are generated. | ||
| func newByteGen() gopter.Gen { | ||
| // uint8 == byte; therefore, derive []byte generator from []uint8 generator. | ||
| return gopter.DeriveGen(func(v []uint8) []byte { | ||
| out := make([]byte, len(v)) | ||
| for i, val := range v { | ||
| out[i] = val | ||
| } | ||
| return out | ||
| }, func(v []byte) []uint8 { | ||
| out := make([]byte, len(v)) | ||
| for i, val := range v { | ||
| out[i] = val | ||
| } | ||
| return out | ||
| }, gen.SliceOf(gen.UInt8())) | ||
| } | ||
|
|
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