1 files changed, 90 insertions, 0 deletions
diff --git a/vendor/golang.org/x/image/font/opentype/face_test.go b/vendor/golang.org/x/image/font/opentype/face_test.go
new file mode 100644
index 000000000..224b0f2fa
--- /dev/null
+++ b/vendor/golang.org/x/image/font/opentype/face_test.go
@@ -0,0 +1,90 @@
+// Copyright 2017 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 opentype
+
+import (
+	"testing"
+
+	"golang.org/x/image/font"
+	"golang.org/x/image/font/gofont/goregular"
+	"golang.org/x/image/font/sfnt"
+	"golang.org/x/image/math/fixed"
+)
+
+var (
+	regular font.Face
+)
+
+func init() {
+	font, err := sfnt.Parse(goregular.TTF)
+	if err != nil {
+		panic(err)
+	}
+
+	regular, err = NewFace(font, defaultFaceOptions())
+	if err != nil {
+		panic(err)
+	}
+}
+
+func TestFaceGlyphAdvance(t *testing.T) {
+	for _, test := range []struct {
+		r    rune
+		want fixed.Int26_6
+	}{
+		{' ', 213},
+		{'A', 512},
+		{'Á', 512},
+		{'Æ', 768},
+		{'i', 189},
+		{'x', 384},
+	} {
+		got, ok := regular.GlyphAdvance(test.r)
+		if !ok {
+			t.Errorf("could not get glyph advance width for %q", test.r)
+			continue
+		}
+
+		if got != test.want {
+			t.Errorf("%q: glyph advance width=%d. want=%d", test.r, got, test.want)
+			continue
+		}
+	}
+}
+
+func TestFaceKern(t *testing.T) {
+	// FIXME(sbinet) there is no kerning with gofont/goregular
+	for _, test := range []struct {
+		r1, r2 rune
+		want   fixed.Int26_6
+	}{
+		{'A', 'A', 0},
+		{'A', 'V', 0},
+		{'V', 'A', 0},
+		{'A', 'v', 0},
+		{'W', 'a', 0},
+		{'W', 'i', 0},
+		{'Y', 'i', 0},
+		{'f', '(', 0},
+		{'f', 'f', 0},
+		{'f', 'i', 0},
+		{'T', 'a', 0},
+		{'T', 'e', 0},
+	} {
+		got := regular.Kern(test.r1, test.r2)
+		if got != test.want {
+			t.Errorf("(%q, %q): glyph kerning=%d. want=%d", test.r1, test.r2, got, test.want)
+			continue
+		}
+	}
+}
+
+func TestFaceMetrics(t *testing.T) {
+	want := font.Metrics{Height: 768, Ascent: 726, Descent: 162}
+	got := regular.Metrics()
+	if got != want {
+		t.Fatalf("metrics failed. got=%#v. want=%#v", got, want)
+	}
+}