59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package plan9font
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import (
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"image"
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"io/ioutil"
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"path"
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"path/filepath"
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"testing"
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"git.fireandbrimst.one/aw/golang-image/font"
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)
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func TestMetrics(t *testing.T) {
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readFile := func(name string) ([]byte, error) {
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return ioutil.ReadFile(filepath.FromSlash(path.Join("../testdata/fixed", name)))
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}
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data, err := readFile("unicode.7x13.font")
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if err != nil {
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t.Fatal(err)
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}
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face, err := ParseFont(data, readFile)
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if err != nil {
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t.Fatal(err)
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}
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want := font.Metrics{Height: 832, Ascent: 704, Descent: 128, XHeight: 704, CapHeight: 704,
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CaretSlope: image.Point{X: 0, Y: 1}}
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if got := face.Metrics(); got != want {
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t.Errorf("unicode.7x13.font: Metrics: got %v, want %v", got, want)
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}
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subData, err := readFile("7x13.0000")
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if err != nil {
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t.Fatal(err)
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}
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subFace, err := ParseSubfont(subData, 0)
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if err != nil {
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t.Fatal(err)
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}
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if got := subFace.Metrics(); got != want {
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t.Errorf("7x13.0000: Metrics: got %v, want %v", got, want)
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}
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}
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func BenchmarkParseSubfont(b *testing.B) {
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subfontData, err := ioutil.ReadFile(filepath.FromSlash("../testdata/fixed/7x13.0000"))
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if err != nil {
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b.Fatal(err)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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if _, err := ParseSubfont(subfontData, 0); err != nil {
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b.Fatal(err)
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}
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}
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}
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