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-rw-r--r--vendor/golang.org/x/image/font/font_test.go65
1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/golang.org/x/image/font/font_test.go b/vendor/golang.org/x/image/font/font_test.go
new file mode 100644
index 000000000..1f05524da
--- /dev/null
+++ b/vendor/golang.org/x/image/font/font_test.go
@@ -0,0 +1,65 @@
+// 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 font
+
+import (
+ "image"
+ "strings"
+ "testing"
+
+ "golang.org/x/image/math/fixed"
+)
+
+const toyAdvance = fixed.Int26_6(10 << 6)
+
+type toyFace struct{}
+
+func (toyFace) Close() error {
+ return nil
+}
+
+func (toyFace) Glyph(dot fixed.Point26_6, r rune) (image.Rectangle, image.Image, image.Point, fixed.Int26_6, bool) {
+ panic("unimplemented")
+}
+
+func (toyFace) GlyphBounds(r rune) (fixed.Rectangle26_6, fixed.Int26_6, bool) {
+ return fixed.Rectangle26_6{
+ Min: fixed.P(2, 0),
+ Max: fixed.P(6, 1),
+ }, toyAdvance, true
+}
+
+func (toyFace) GlyphAdvance(r rune) (fixed.Int26_6, bool) {
+ return toyAdvance, true
+}
+
+func (toyFace) Kern(r0, r1 rune) fixed.Int26_6 {
+ return 0
+}
+
+func (toyFace) Metrics() Metrics {
+ return Metrics{}
+}
+
+func TestBound(t *testing.T) {
+ wantBounds := []fixed.Rectangle26_6{
+ {Min: fixed.P(0, 0), Max: fixed.P(0, 0)},
+ {Min: fixed.P(2, 0), Max: fixed.P(6, 1)},
+ {Min: fixed.P(2, 0), Max: fixed.P(16, 1)},
+ {Min: fixed.P(2, 0), Max: fixed.P(26, 1)},
+ }
+
+ for i, wantBound := range wantBounds {
+ s := strings.Repeat("x", i)
+ gotBound, gotAdvance := BoundString(toyFace{}, s)
+ if gotBound != wantBound {
+ t.Errorf("i=%d: bound: got %v, want %v", i, gotBound, wantBound)
+ }
+ wantAdvance := toyAdvance * fixed.Int26_6(i)
+ if gotAdvance != wantAdvance {
+ t.Errorf("i=%d: advance: got %v, want %v", i, gotAdvance, wantAdvance)
+ }
+ }
+}