81 lines
2.0 KiB
Go
81 lines
2.0 KiB
Go
package richtext
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import "testing"
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type mono7 struct{}
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func (mono7) Width(f Face, s string) float32 {
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n := float32(0)
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for range s {
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n++
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}
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if f == H1 {
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return n * 12
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}
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return n * 7
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}
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func (mono7) Height(f Face) float32 {
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if f == H1 {
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return 24
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}
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return 16
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}
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func TestWrap(t *testing.T) {
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lines := wrap(Inline("aaa bbb `ccc` ddd"), Body, 0, 7*8, mono7{})
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if len(lines) != 2 {
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t.Fatalf("%d lines: %+v", len(lines), lines)
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}
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if lines[0][0].Text != "aaa bbb" || lines[1][0].Text != "ccc" || lines[1][0].Face != Mono || lines[1][1].Text != " ddd" {
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t.Fatalf("%+v", lines)
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}
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if lines[1][1].X != 21 {
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t.Fatalf("x = %v", lines[1][1].X)
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}
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}
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func TestLayout(t *testing.T) {
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md := "# Coroutines\n\nA coroutine pauses with [yield](ref:keyword/yield).\n\n- one\n- two\n\n| Form | Resumes |\n|---|---|\n| `yield` | on the next frame of the game |\n\n```aes run\nyield wait(0.1)\n\treturn\n```\n"
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hl := func(lang, line string) []Token {
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if lang == "aes" && len(line) >= 5 && line[:5] == "yield" {
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return []Token{{Start: 0, End: 5, Kind: "keyword"}}
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}
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return nil
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}
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d := Layout(Parse(md), 200, mono7{}, hl)
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var kinds []LineKind
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link, code, run, header := false, false, false, false
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for _, l := range d.Lines {
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kinds = append(kinds, l.Kind)
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for _, r := range l.Runs {
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if r.Target == "ref:keyword/yield" && r.Text == "yield" {
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link = true
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}
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if r.Token == "keyword" && r.Text == "yield" {
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code = true
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}
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}
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run = run || l.Run
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header = header || l.Header
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}
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if !link || !code || !run || !header {
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t.Fatalf("link %v code %v run %v header %v", link, code, run, header)
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}
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if kinds[0] != HeadingLine || d.Lines[0].H != 24 {
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t.Fatalf("heading line %+v", d.Lines[0])
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}
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for i := 1; i < len(d.Lines); i++ {
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if d.Lines[i].Y < d.Lines[i-1].Y+d.Lines[i-1].H {
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t.Fatalf("line %d overlaps the previous one", i)
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}
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}
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for _, l := range d.Lines {
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for _, r := range l.Runs {
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if l.Kind != CodeLine && r.X+r.W > 200+0.01 && len(l.Runs) > 1 {
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t.Fatalf("run %q overflows: %v+%v", r.Text, r.X, r.W)
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}
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}
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}
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}
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