github.com/bytedance/gopkg@v0.0.0-20240514070511-01b2cbcf35e1/internal/runtimex/runtime_test.go (about) 1 // Copyright 2024 ByteDance Inc. 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 runtimex 16 17 import "testing" 18 19 func TestFastrand(t *testing.T) { 20 var isRandom bool 21 for i := 0; i < 3; i++ { 22 x := Fastrand() 23 y := Fastrand() 24 if x != y { 25 isRandom = true 26 break 27 } 28 } 29 if !isRandom { 30 t.Fatal("Invalid fastrand results") 31 } 32 } 33 34 func BenchmarkFastrand(b *testing.B) { 35 for i := 0; i < b.N; i++ { 36 Fastrand() 37 } 38 }