74 lines
2.5 KiB
Go
74 lines
2.5 KiB
Go
//go:build brlapi && cgo
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package braille
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import "testing"
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func TestContractedWordWrapAndPartialSelection(t *testing.T) {
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v := viewport{width: 4}
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if err := v.setFrame(Frame{Text: "the cat", Cursor: -1, Contract: true,
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Table: "en-us-g2.ctb", WordWrap: true, Dots: []byte{0, 0x40, 0, 0, 0, 0, 0}}); err != nil {
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t.Fatal(err)
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}
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if v.frame() != "⠮⠀ " || v.displayDots()[0] != 0x40 {
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t.Fatalf("wrapped contraction=%q dots=%v", v.frame(), v.displayDots())
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}
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if _, ok := v.route(RouteBase + 2); ok {
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t.Fatal("padding cell was routed into undisplayed text")
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}
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if !v.pan(PanRight) || v.frame() != "⠉⠁⠞ " || v.offset != 2 {
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t.Fatalf("panned word=%q offset=%d", v.frame(), v.offset)
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}
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if !v.pan(PanLeft) || v.offset != 0 {
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t.Fatal("wrapped pan left did not restore its page")
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}
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}
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func TestContractionMapsCursorAndRouting(t *testing.T) {
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for _, cursor := range []int{-1, 0, 4, len([]rune("the cat"))} {
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v := viewport{width: 4}
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if err := v.setFrame(Frame{ID: 7, Text: "the cat", Cursor: cursor, Contract: true, Table: "en-us-g2.ctb"}); err != nil {
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t.Fatal(err)
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}
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if cursor == -1 && (string(v.text) != "⠮⠀⠉⠁⠞" || v.inputPositions[0] != 0 || v.inputPositions[1] != 3) {
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t.Fatalf("unexpected translation %q, positions %v", string(v.text), v.inputPositions)
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}
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if cursor == -1 {
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if event, ok := v.route(RouteBase + 1); !ok || event != (RoutingEvent{ID: 7, Offset: 3}) {
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t.Fatalf("contracted route = %+v, %v", event, ok)
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}
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if !v.pan(PanRight) {
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t.Fatal("contracted line did not pan")
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}
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if event, ok := v.route(RouteBase); !ok || event != (RoutingEvent{ID: 7, Offset: 6}) {
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t.Fatalf("panned contracted route = %+v, %v", event, ok)
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}
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}
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if len(v.text) >= len([]rune("the cat")) && cursor < 0 {
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t.Fatalf("text was not contracted: %q", string(v.text))
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}
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for cell, original := range v.inputPositions {
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if original < 0 || original > len([]rune("the cat")) {
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t.Fatalf("cell %d has invalid source offset %d", cell, original)
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}
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}
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if cursor == len([]rune("the cat")) && v.cursor != len(v.text)-1 {
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t.Fatalf("end cursor %d, text %q", v.cursor, string(v.text))
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}
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}
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if _, _, _, err := translate("the", "missing-table.ctb", -1, false); err == nil {
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t.Fatal("missing table accepted")
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}
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plain, _, _, err := translate("the cat", "en-us-g2.ctb", 0, false)
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if err != nil {
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t.Fatal(err)
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}
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expanded, _, _, err := translate("the cat", "en-us-g2.ctb", 0, true)
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if err != nil {
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t.Fatal(err)
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}
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if plain == expanded {
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t.Fatalf("computer braille at cursor did not expand word: %q", expanded)
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}
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}
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