git clone https://git.lucas.co/go_mono.git
font/plan9font/plan9font_test.go (1.4K)
1 // Copyright 2016 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 plan9font
6
7 import (
8 "image"
9 "io/ioutil"
10 "path"
11 "path/filepath"
12 "testing"
13
14 "golang.org/x/image/font"
15 )
16
17 func TestMetrics(t *testing.T) {
18 readFile := func(name string) ([]byte, error) {
19 return ioutil.ReadFile(filepath.FromSlash(path.Join("../testdata/fixed", name)))
20 }
21 data, err := readFile("unicode.7x13.font")
22 if err != nil {
23 t.Fatal(err)
24 }
25 face, err := ParseFont(data, readFile)
26 if err != nil {
27 t.Fatal(err)
28 }
29 want := font.Metrics{Height: 832, Ascent: 704, Descent: 128, XHeight: 704, CapHeight: 704,
30 CaretSlope: image.Point{X: 0, Y: 1}}
31 if got := face.Metrics(); got != want {
32 t.Errorf("unicode.7x13.font: Metrics: got %v, want %v", got, want)
33 }
34 subData, err := readFile("7x13.0000")
35 if err != nil {
36 t.Fatal(err)
37 }
38 subFace, err := ParseSubfont(subData, 0)
39 if err != nil {
40 t.Fatal(err)
41 }
42 if got := subFace.Metrics(); got != want {
43 t.Errorf("7x13.0000: Metrics: got %v, want %v", got, want)
44 }
45 }
46
47 func BenchmarkParseSubfont(b *testing.B) {
48 subfontData, err := ioutil.ReadFile(filepath.FromSlash("../testdata/fixed/7x13.0000"))
49 if err != nil {
50 b.Fatal(err)
51 }
52 b.ResetTimer()
53 for i := 0; i < b.N; i++ {
54 if _, err := ParseSubfont(subfontData, 0); err != nil {
55 b.Fatal(err)
56 }
57 }
58 }