Function TestDamagedLabelUniqueChipDropsOnlyItself

internal/tui/prompt_test.go:239–252

TestDamagedLabelUniqueChipDropsOnlyItself: the group-drop above must not over-trigger; a damaged label with no twin drops alone and the other chip keeps its mapping.

(t *testing.T)

// over-trigger; a damaged label with no twin drops alone and the other chip
// keeps its mapping.
func TestDamagedLabelUniqueChipDropsOnlyItself(t *testing.T) {
	p := newChippablePrompt()
	p, _ = p.Update(pasteKey(makePaste(8)))
	p, _ = p.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune(" mid ")})
	p, _ = p.Update(pasteKey(makePaste(15)))
	p.setCursorRuneOffset(p.spans[0].end)
	p, _ = p.Update(tea.KeyMsg{Type: tea.KeyCtrlW})
	if len(p.spans) != 1 {
		t.Fatalf("only the damaged chip should drop, got %d spans", len(p.spans))
	}
	if c := p.store[p.spans[0].id]; c.lines != 15 {
		t.Fatalf("survivor should be the 15-line chip, got %d", c.lines)
	}
}

// TestValueExpandsAllChips: Value() interleaves surrounding text with full
// paste contents in order.