editor_vertical_test.go RawHistoryFolder

1package tui
2
3import "testing"
4
5func TestEditorMoveVerticalStyledPromptKeepsColumn(t *testing.T) {
6	e := NewEditor("\x1b[38;5;111m▌ \x1b[0m")
7	e.SetValue("alpha beta gamma delta epsilon zeta eta theta")
8	_, _, _ = e.Render(18)
9
10	// Put cursor on a lower wrapped row, then move up. With the styled
11	// prompt included in wrap geometry this used to jump near the start of
12	// the top row instead of the cell directly above.
13	e.CursorC = 28
14	_, _, beforeCol := e.Render(18)
15	if !e.MoveVertical(-1) {
16		t.Fatal("expected vertical move")
17	}
18	_, _, afterCol := e.Render(18)
19	if afterCol != beforeCol {
20		t.Fatalf("column changed: before=%d after=%d cursor=%d", beforeCol, afterCol, e.CursorC)
21	}
22}