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glyph_test.go
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glyph_test.go
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package glyph
import (
"bytes"
"fmt"
"strings"
"testing"
)
func TestNew(t *testing.T) {
g, err := New()
if err != nil {
t.Fatal(err)
}
if want := 5; g.lineOpts.Len() != want {
t.Errorf("got %v\nwant %v", g.lineOpts.Len(), want)
}
}
func TestOptionWidth(t *testing.T) {
g, err := New()
if err != nil {
t.Fatal(err)
}
if want := 110.0; g.w != want {
t.Errorf("got %v\nwant %v", g.w, want)
}
opt := Width(120.0)
if err := opt(g); err != nil {
t.Fatal(err)
}
if want := 120.0; g.w != want {
t.Errorf("got %v\nwant %v", g.w, want)
}
if want := 5; g.lineOpts.Len() != want {
t.Errorf("got %v\nwant %v", g.lineOpts.Len(), want)
}
}
func TestOptionColor(t *testing.T) {
g, err := New()
if err != nil {
t.Fatal(err)
}
if err := g.Line([]string{"a0", "a1"}); err != nil {
t.Fatal(err)
}
{
want := defaultColor
got, _ := g.lineOpts.Get("stroke")
if got != want {
t.Errorf("got %v\nwant %v", got, want)
}
buf := new(bytes.Buffer)
if err := g.Write(buf); err != nil {
t.Fatal(err)
}
if !strings.Contains(buf.String(), fmt.Sprintf("stroke:%s", want)) {
t.Errorf("can not change color\n%v", buf.String())
}
}
{
want := "#FFFFFF"
opt := Color(want)
if err := opt(g); err != nil {
t.Fatal(err)
}
got, _ := g.lineOpts.Get("stroke")
if got != want {
t.Errorf("got %v\nwant %v", got, want)
}
buf := new(bytes.Buffer)
if err := g.Write(buf); err != nil {
t.Fatal(err)
}
if !strings.Contains(buf.String(), fmt.Sprintf("stroke:%s", want)) {
t.Errorf("can not change color\n%v", buf.String())
}
if want := 5; g.lineOpts.Len() != want {
t.Errorf("got %v\nwant %v", g.lineOpts.Len(), want)
}
}
}