Cthulhu is no longer a fork. Now it is a screen reader written in Golang.

internal/ocr/page_test.go

@@ -0,0 +1,30 @@
+package ocr
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestPageMovementRetainsColumnAndBounds(t *testing.T) {
+	lines := make([]string, 45)
+	for index := range lines {
+		lines[index] = "abcd"
+	}
+	cursor := NewCursor(Result{Text: strings.Join(lines, "\n")})
+	cursor.Set(3)
+	if got := cursor.Move(PageUnit, 1); got.Line != "abcd" || got.Cursor != 3 || got.Offset != 103 {
+		t.Fatal(got)
+	}
+	if got := cursor.Move(PageUnit, 1); got.Offset != 203 {
+		t.Fatal(got)
+	}
+	if got := cursor.Move(PageUnit, 1); got.Offset != 223 {
+		t.Fatal(got)
+	}
+	if got := cursor.Move(PageUnit, 1); got.Moved {
+		t.Fatal(got)
+	}
+	if got := cursor.Move(PageUnit, -1); got.Offset != 123 {
+		t.Fatal(got)
+	}
+}