Function TestVisualPromptLinesSumsAcrossLogicalLines

internal/tui/tui_test.go:2357–2369

TestVisualPromptLinesSumsAcrossLogicalLines: visualPromptLines splits on newlines and sums wrapRows for each segment: the prompt field grows to hold the combined visual height.

(t *testing.T)

func TestWrapRowsMatchesBubblesBehaviour(t *testing.T) {
	cases := []struct {
		name     string
		input    string
		width    int
		wantRows int
	}{
		{"empty", "", 15, 1},
		{"short fits", "hello", 15, 1},
		{"short with spaces fits", "hi you", 15, 1},
		{"exactly fills width adds cursor anchor", strings.Repeat("x", 15), 15, 2},
		{"just under width", strings.Repeat("x", 14), 15, 1},
		{"just over width hard-wraps", strings.Repeat("x", 16), 15, 2},
		{"long hard-wrap no spaces", strings.Repeat("x", 45), 15, 4},
		{"word-boundary wastes space", strings.Repeat("hello ", 20), 15, 10},
		{"zero width floors to 1", "anything", 0, 1},
	}
	for _, c := range cases {