1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package types_test
import (
"flag"
"fmt"
"go/ast"
"go/importer"
"go/parser"
"go/token"
"path/filepath"
"testing"
"time"
. "go/types"
)
var benchmark = flag.Bool("b", false, "run benchmarks")
func TestSelf(t *testing.T) {
fset := token.NewFileSet()
files, err := pkgFiles(fset, ".")
if err != nil {
t.Fatal(err)
}
conf := Config{Importer: importer.Default()}
_, err = conf.Check("go/types", fset, files, nil)
if err != nil {
// Importing go/constant doesn't work in the
// build dashboard environment. Don't report an error
// for now so that the build remains green.
// TODO(gri) fix this
t.Log(err) // replace w/ t.Fatal eventually
return
}
}
func TestBenchmark(t *testing.T) {
if !*benchmark {
return
}
// We're not using testing's benchmarking mechanism directly
// because we want custom output.
for _, p := range []string{"types", "constant", filepath.Join("internal", "gcimporter")} {
path := filepath.Join("..", p)
runbench(t, path, false)
runbench(t, path, true)
fmt.Println()
}
}
func runbench(t *testing.T, path string, ignoreFuncBodies bool) {
fset := token.NewFileSet()
files, err := pkgFiles(fset, path)
if err != nil {
t.Fatal(err)
}
b := testing.Benchmark(func(b *testing.B) {
for i := 0; i < b.N; i++ {
conf := Config{IgnoreFuncBodies: ignoreFuncBodies}
conf.Check(path, fset, files, nil)
}
})
// determine line count
lines := 0
fset.Iterate(func(f *token.File) bool {
lines += f.LineCount()
return true
})
d := time.Duration(b.NsPerOp())
fmt.Printf(
"%s: %s for %d lines (%d lines/s), ignoreFuncBodies = %v\n",
filepath.Base(path), d, lines, int64(float64(lines)/d.Seconds()), ignoreFuncBodies,
)
}
func pkgFiles(fset *token.FileSet, path string) ([]*ast.File, error) {
filenames, err := pkgFilenames(path) // from stdlib_test.go
if err != nil {
return nil, err
}
var files []*ast.File
for _, filename := range filenames {
file, err := parser.ParseFile(fset, filename, nil, 0)
if err != nil {
return nil, err
}
files = append(files, file)
}
return files, nil
}
|
