github.com/andy2046/gopie@v0.7.0/pkg/mergesort/mergesort_test.go (about) 1 package mergesort_test 2 3 import ( 4 "testing" 5 "time" 6 7 "math/rand" 8 9 "github.com/andy2046/gopie/pkg/mergesort" 10 ) 11 12 func TestMergesort(t *testing.T) { 13 size := 20 14 max := 999 15 s := make([]int, 0, size) 16 rand.Seed(time.Now().UTC().UnixNano()) 17 for range make([]struct{}, size) { 18 s = append(s, rand.Intn(max)) 19 } 20 t.Logf("before -> %v", s) 21 mergesort.Sort(s) 22 t.Logf("after -> %v", s) 23 } 24 25 func BenchmarkMergesort(b *testing.B) { 26 size := 1000000 27 s := make([]int, 0, size) 28 rand.Seed(time.Now().UTC().UnixNano()) 29 for range make([]struct{}, size) { 30 s = append(s, rand.Int()) 31 } 32 b.ResetTimer() 33 mergesort.Sort(s) 34 }