github.com/matrixorigin/matrixone@v1.2.0/pkg/util/rand_test.go (about) 1 // Copyright 2022 Matrix Origin 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package util 16 17 import ( 18 "math/rand" 19 "testing" 20 ) 21 22 func TestFastrand64(t *testing.T) { 23 tests := []struct { 24 name string 25 wantNot uint64 26 }{ 27 { 28 name: "normal", 29 wantNot: rand.Uint64(), 30 }, 31 } 32 for _, tt := range tests { 33 t.Run(tt.name, func(t *testing.T) { 34 if got := Fastrand64(); got == tt.wantNot { 35 t.Errorf("Fastrand64() = %v, wantNot %v", got, tt.wantNot) 36 } 37 }) 38 } 39 } 40 41 func Test_fastrand32(t *testing.T) { 42 tests := []struct { 43 name string 44 wantNot uint32 45 }{ 46 { 47 name: "normal", 48 wantNot: rand.Uint32(), 49 }, 50 } 51 for _, tt := range tests { 52 t.Run(tt.name, func(t *testing.T) { 53 if got := fastrand32(); got == tt.wantNot { 54 t.Errorf("fastrand32() = %v, wantNot %v", got, tt.wantNot) 55 } 56 }) 57 } 58 }