func TestRichText_WrapToWidth_zero(t *testing.T) {
const testString = "Lorem"
st := SuperTest{t}
p := arialText(testString)
flags := make([]wordbreaking.Flags, p.Len())
wordbreaking.MarkRuneAttributes(p.String(), flags)
lines := p.WrapToWidth(0, flags, true)
st.Must(len(lines) == len(testString))
for i, l := range lines {
st.Equal(string(testString[i]), l.String())
}
}
func TestRichText_WrapToWidth_nobreak_simple(t *testing.T) {
st := SuperTest{t}
rt, err := NewRichText("Here is a long sentence with mostly small words.", testTtfFonts("Arial"), 10, Options{"nobreak": true})
if err != nil {
t.Fatal(err)
}
flags := make([]wordbreaking.Flags, rt.Len())
wordbreaking.MarkRuneAttributes(rt.String(), flags)
rt.MarkNoBreak(flags)
lines := rt.WrapToWidth(60, flags, false)
st.Equal(1, len(lines), "Should return a single line.")
}
func TestRichText_WordsToWidth_zero(t *testing.T) {
st := SuperTest{t}
p := arialText("Supercalifragilisticexpialidocious")
flags := make([]wordbreaking.Flags, p.Len())
wordbreaking.MarkRuneAttributes(p.String(), flags)
line, remainder, remainderFlags := p.WordsToWidth(0, flags, true)
st.MustNot(line == nil, "Line must not be nil.")
st.Equal("S", line.String())
st.MustNot(remainder == nil, "There should be text left over.")
st.Equal("upercalifragilisticexpialidocious", remainder.String())
st.Equal(33, len(remainderFlags))
}
func TestRichText_WrapToWidth_short(t *testing.T) {
st := SuperTest{t}
p, err := NewRichText("Lorem ipsum.", testTtfFonts("Arial"), 10, Options{"nobreak": true})
if err != nil {
t.Fatal(err)
}
flags := make([]wordbreaking.Flags, p.Len())
wordbreaking.MarkRuneAttributes(p.String(), flags)
lines := p.WrapToWidth(100, flags, false)
st.Must(len(lines) == 1, "Should return one line.")
st.Equal(p.Text, lines[0].Text, "Text should match.")
st.True(p.MatchesAttributes(lines[0]))
}
func TestRichText_WordsToWidth_short(t *testing.T) {
st := SuperTest{t}
p := arialText("Lorem")
flags := make([]wordbreaking.Flags, p.Len())
wordbreaking.MarkRuneAttributes(p.String(), flags)
line, remainder, remainderFlags := p.WordsToWidth(30, flags, false)
st.Equal(p, line, "Should return original piece.")
if remainder != nil {
t.Error("There should be nothing left over.")
}
if remainderFlags != nil {
t.Error("There should be no flags remaining.")
}
}
func TestRichText_WordsToWidth_mixed(t *testing.T) {
st := SuperTest{t}
p := mixedText()
flags := make([]wordbreaking.Flags, p.Len())
wordbreaking.MarkRuneAttributes(p.String(), flags)
line, remainder, remainderFlags := p.WordsToWidth(60, flags, false)
st.MustNot(line == nil, "Line must not be nil.")
st.Equal("Here is some", line.String())
st.MustNot(remainder == nil, "There should be text left over.")
st.Equal(" Russian, Неприкосновенность, and some Chinese, 表明你已明确同意你的回答接受评估.", remainder.String())
st.Equal(115, len(remainderFlags))
if remainderFlags == nil {
t.Error("There should be flags remaining.")
}
}
func TestRichText_WrapToWidth_hardBreak(t *testing.T) {
st := SuperTest{t}
expected := []string{
"Supercalifrag",
"ilisticexpialid",
"ocious",
}
p := arialText("Supercalifragilisticexpialidocious")
flags := make([]wordbreaking.Flags, p.Len())
wordbreaking.MarkRuneAttributes(p.String(), flags)
lines := p.WrapToWidth(60, flags, true)
st.Must(len(lines) == len(expected), "Unexpected number of lines.")
for i := 0; i < len(expected); i++ {
st.Equal(expected[i], lines[i].String(), "Unexpected text.")
}
}
func (pw *PageWriter) PrintWithOptions(text string, options Options) (err error) {
var para []*RichText
rt, err := pw.richTextForString(text)
if err != nil {
return
}
if width := options.FloatDefault("width", 0); width > 0 {
flags := make([]wordbreaking.Flags, rt.Len())
wordbreaking.MarkRuneAttributes(rt.String(), flags)
para = rt.WrapToWidth(pw.units.toPts(width), flags, false)
} else {
para = []*RichText{rt}
}
pw.PrintParagraph(para)
return nil
}
// Should not add hyphen-minus to end of string that does not end with a soft hyphen.
func TestRichText_WrapToWidth_soft_hyphenated2(t *testing.T) {
const hyphenatedText = "Super\u00ADbad example"
expected := []string{
"Super\u00ADbad",
"example",
}
rt := courierNewText(hyphenatedText)
flags := make([]wordbreaking.Flags, rt.Len())
wordbreaking.MarkRuneAttributes(rt.String(), flags)
lines := rt.WrapToWidth(62, flags, false)
st := SuperTest{t}
st.Must(len(lines) == len(expected), "Unexpected number of lines.")
for i := range lines {
st.Equal(expected[i], lines[i].String())
st.True(lines[i].Width() <= 62, "Line too long.")
}
}
func TestRichText_WrapToWidth_hyphenated(t *testing.T) {
const hyphenatedText = "Super-cali-fragil-istic-expi-ali-do-cious"
expected := []string{
"Super-cali-",
"fragil-istic-",
"expi-ali-do-",
"cious",
}
rt := arialText(hyphenatedText)
flags := make([]wordbreaking.Flags, rt.Len())
wordbreaking.MarkRuneAttributes(rt.String(), flags)
lines := rt.WrapToWidth(60, flags, false)
st := SuperTest{t}
st.Must(len(lines) == len(expected), "Unexpected number of lines.")
for i := range lines {
st.Equal(expected[i], lines[i].String())
}
}
func TestRichText_WrapToWidth_mixed(t *testing.T) {
st := SuperTest{t}
expected := []string{
"Here is some",
"Russian,",
"Неприкосновенность,",
"and some",
"Chinese,",
"表明你已明确同意你的回答接受评估.",
}
p := mixedText()
flags := make([]wordbreaking.Flags, p.Len())
wordbreaking.MarkRuneAttributes(p.String(), flags)
lines := p.WrapToWidth(60, flags, false)
st.Must(len(lines) == len(expected), "Unexpected number of lines.")
for i := 0; i < len(expected); i++ {
st.Equal(expected[i], lines[i].String(), "Unexpected text.")
}
}
func TestRichText_WrapToWidth_nobreak_complex(t *testing.T) {
st := SuperTest{t}
fonts := testTtfFonts("Arial")
var rt *RichText
var err error
rt, err = NewRichText("Here is a ", fonts, 10, Options{})
if err != nil {
t.Fatal(err)
}
rt, err = rt.Add("long sentence with mostly", fonts, 10, Options{"nobreak": true})
if err != nil {
t.Fatal(err)
}
rt, err = rt.Add(" small words.", fonts, 10, Options{})
if err != nil {
t.Fatal(err)
}
flags := make([]wordbreaking.Flags, rt.Len())
wordbreaking.MarkRuneAttributes(rt.String(), flags)
rt.MarkNoBreak(flags)
lines := rt.WrapToWidth(60, flags, false)
st.Equal(3, len(lines), "Should return 3 lines.")
}