.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.0/cmd/benchcmp/benchcmp_test.go

   1 // Copyright 2014 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package main
   6
   7 import (
   8         "reflect"
   9         "testing"
  10
  11         "golang.org/x/tools/benchmark/parse"
  12 )
  13
  14 func TestSelectBest(t *testing.T) {
  15         have := parse.Set{
  16                 "Benchmark1": []*parse.Benchmark{
  17                         {
  18                                 Name: "Benchmark1",
  19                                 N:    10, NsPerOp: 100, Measured: parse.NsPerOp,
  20                                 Ord: 0,
  21                         },
  22                         {
  23                                 Name: "Benchmark1",
  24                                 N:    10, NsPerOp: 50, Measured: parse.NsPerOp,
  25                                 Ord: 3,
  26                         },
  27                 },
  28                 "Benchmark2": []*parse.Benchmark{
  29                         {
  30                                 Name: "Benchmark2",
  31                                 N:    10, NsPerOp: 60, Measured: parse.NsPerOp,
  32                                 Ord: 1,
  33                         },
  34                         {
  35                                 Name: "Benchmark2",
  36                                 N:    10, NsPerOp: 500, Measured: parse.NsPerOp,
  37                                 Ord: 2,
  38                         },
  39                 },
  40         }
  41
  42         want := parse.Set{
  43                 "Benchmark1": []*parse.Benchmark{
  44                         {
  45                                 Name: "Benchmark1",
  46                                 N:    10, NsPerOp: 50, Measured: parse.NsPerOp,
  47                                 Ord: 0,
  48                         },
  49                 },
  50                 "Benchmark2": []*parse.Benchmark{
  51                         {
  52                                 Name: "Benchmark2",
  53                                 N:    10, NsPerOp: 60, Measured: parse.NsPerOp,
  54                                 Ord: 1,
  55                         },
  56                 },
  57         }
  58
  59         selectBest(have)
  60         if !reflect.DeepEqual(want, have) {
  61                 t.Errorf("filtered bench set incorrectly, want %v have %v", want, have)
  62         }
  63 }
  64
  65 func TestFormatNs(t *testing.T) {
  66         tests := []struct {
  67                 input    float64
  68                 expected string
  69         }{
  70                 {input: 0, expected: "0.00"},
  71                 {input: 0.2, expected: "0.20"},
  72                 {input: 2, expected: "2.00"},
  73                 {input: 2.2, expected: "2.20"},
  74                 {input: 4, expected: "4.00"},
  75                 {input: 16, expected: "16.0"},
  76                 {input: 16.08, expected: "16.1"},
  77                 {input: 128, expected: "128"},
  78                 {input: 256.2, expected: "256"},
  79         }
  80
  81         for _, tt := range tests {
  82                 actual := formatNs(tt.input)
  83                 if actual != tt.expected {
  84                         t.Fatalf("%f. got %q, want %q", tt.input, actual, tt.expected)
  85                 }
  86         }
  87 }