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// Copyright 2016 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 plan9font
import (
"image"
"io/ioutil"
"path"
"path/filepath"
"testing"
"golang.org/x/image/font"
)
func TestMetrics(t *testing.T) {
readFile := func(name string) ([]byte, error) {
return ioutil.ReadFile(filepath.FromSlash(path.Join("../testdata/fixed", name)))
}
data, err := readFile("unicode.7x13.font")
if err != nil {
t.Fatal(err)
}
face, err := ParseFont(data, readFile)
if err != nil {
t.Fatal(err)
}
want := font.Metrics{Height: 832, Ascent: 704, Descent: 128, XHeight: 704, CapHeight: 704,
CaretSlope: image.Point{X: 0, Y: 1}}
if got := face.Metrics(); got != want {
t.Errorf("unicode.7x13.font: Metrics: got %v, want %v", got, want)
}
subData, err := readFile("7x13.0000")
if err != nil {
t.Fatal(err)
}
subFace, err := ParseSubfont(subData, 0)
if err != nil {
t.Fatal(err)
}
if got := subFace.Metrics(); got != want {
t.Errorf("7x13.0000: Metrics: got %v, want %v", got, want)
}
}
func BenchmarkParseSubfont(b *testing.B) {
subfontData, err := ioutil.ReadFile(filepath.FromSlash("../testdata/fixed/7x13.0000"))
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
if _, err := ParseSubfont(subfontData, 0); err != nil {
b.Fatal(err)
}
}
}
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