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)
	}
}