node_modules/uncrustify/tests/output/c/00631-nl_assign.c

void foo()
{
    some.really_long.variable_name
        = another.big.one[55]
          + something_else;

    some.really_long.variable_name
        = another.big.one[55]
          + something_else;

    some.really_long.variable_name = another.big.one[55]
                                     + something_else;

    a_really_long_assignment_to_test
        = line_breaks_around_assign_and_arith;

    a_really_long_assignment_to_test = line_breaks_around
                                       + assign_and_arith;

}