package tui

import "testing"

func TestRemoveLastUTF8Rune(t *testing.T) {
	t.Parallel()

	tests := []struct {
		value string
		want  string
	}{
		{"", ""},
		{"abc", "ab"},
		{"café", "caf"},
		{"日本", "日"},
		{"🙂", ""},
		{"a🙂", "a"},
	}
	for _, tt := range tests {
		if got := removeLastUTF8Rune(tt.value); got != tt.want {
			t.Errorf("removeLastUTF8Rune(%q) = %q, want %q", tt.value, got, tt.want)
		}
	}
}