41 lines
1.0 KiB
Go
41 lines
1.0 KiB
Go
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// 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 sfnt
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import (
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"bytes"
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"testing"
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"golang.org/x/image/font/gofont/goregular"
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)
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func TestParse(t *testing.T) {
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f, err := Parse(goregular.TTF)
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if err != nil {
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t.Fatalf("Parse: %v", err)
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}
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testFont(t, f)
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}
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func TestParseReaderAt(t *testing.T) {
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f, err := ParseReaderAt(bytes.NewReader(goregular.TTF))
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if err != nil {
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t.Fatalf("ParseReaderAt: %v", err)
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}
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testFont(t, f)
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}
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func testFont(t *testing.T, f *Font) {
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if got, want := f.UnitsPerEm(), Units(2048); got != want {
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t.Errorf("UnitsPerEm: got %d, want %d", got, want)
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}
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// The exact number of glyphs in goregular.TTF can vary, and future
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// versions may add more glyphs, but https://blog.golang.org/go-fonts says
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// that "The WGL4 character set... [has] more than 650 characters in all.
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if got, want := f.NumGlyphs(), 650; got <= want {
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t.Errorf("NumGlyphs: got %d, want > %d", got, want)
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}
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}
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