.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/cmd/benchcmp/benchcmp_test.go

   1 package main
   2
   3 import (
   4         "reflect"
   5         "testing"
   6
   7         "golang.org/x/tools/benchmark/parse"
   8 )
   9
  10 func TestSelectBest(t *testing.T) {
  11         have := parse.Set{
  12                 "Benchmark1": []*parse.Benchmark{
  13                         {
  14                                 Name: "Benchmark1",
  15                                 N:    10, NsPerOp: 100, Measured: parse.NsPerOp,
  16                                 Ord: 0,
  17                         },
  18                         {
  19                                 Name: "Benchmark1",
  20                                 N:    10, NsPerOp: 50, Measured: parse.NsPerOp,
  21                                 Ord: 3,
  22                         },
  23                 },
  24                 "Benchmark2": []*parse.Benchmark{
  25                         {
  26                                 Name: "Benchmark2",
  27                                 N:    10, NsPerOp: 60, Measured: parse.NsPerOp,
  28                                 Ord: 1,
  29                         },
  30                         {
  31                                 Name: "Benchmark2",
  32                                 N:    10, NsPerOp: 500, Measured: parse.NsPerOp,
  33                                 Ord: 2,
  34                         },
  35                 },
  36         }
  37
  38         want := parse.Set{
  39                 "Benchmark1": []*parse.Benchmark{
  40                         {
  41                                 Name: "Benchmark1",
  42                                 N:    10, NsPerOp: 50, Measured: parse.NsPerOp,
  43                                 Ord: 0,
  44                         },
  45                 },
  46                 "Benchmark2": []*parse.Benchmark{
  47                         {
  48                                 Name: "Benchmark2",
  49                                 N:    10, NsPerOp: 60, Measured: parse.NsPerOp,
  50                                 Ord: 1,
  51                         },
  52                 },
  53         }
  54
  55         selectBest(have)
  56         if !reflect.DeepEqual(want, have) {
  57                 t.Errorf("filtered bench set incorrectly, want %v have %v", want, have)
  58         }
  59 }
  60
  61 func TestFormatNs(t *testing.T) {
  62         tests := []struct {
  63                 input    float64
  64                 expected string
  65         }{
  66                 {input: 0, expected: "0.00"},
  67                 {input: 0.2, expected: "0.20"},
  68                 {input: 2, expected: "2.00"},
  69                 {input: 2.2, expected: "2.20"},
  70                 {input: 4, expected: "4.00"},
  71                 {input: 16, expected: "16.0"},
  72                 {input: 16.08, expected: "16.1"},
  73                 {input: 128, expected: "128"},
  74                 {input: 256.2, expected: "256"},
  75         }
  76
  77         for _, tt := range tests {
  78                 actual := formatNs(tt.input)
  79                 if actual != tt.expected {
  80                         t.Fatalf("%f. got %q, want %q", tt.input, actual, tt.expected)
  81                 }
  82         }
  83 }