1 require File.expand_path(File.dirname(__FILE__) + '/edgecase')
3 class AboutArrayAssignment < EdgeCase::Koan
4 def test_non_parallel_assignment
5 names = ["John", "Smith"]
9 def test_parallel_assignments
10 first_name, last_name = ["John", "Smith"]
11 assert_equal __, first_name
12 assert_equal __, last_name
15 def test_parallel_assignments_with_extra_values
16 first_name, last_name = ["John", "Smith", "III"]
17 assert_equal __, first_name
18 assert_equal __, last_name
21 def test_parallel_assignments_with_splat_operator
22 first_name, *last_name = ["John", "Smith", "III"]
23 assert_equal __, first_name
24 assert_equal __, last_name
27 def test_parallel_assignments_with_too_few_variables
28 first_name, last_name = ["Cher"]
29 assert_equal __, first_name
30 assert_equal __, last_name
33 def test_parallel_assignments_with_subarrays
34 first_name, last_name = [["Willie", "Rae"], "Johnson"]
35 assert_equal __, first_name
36 assert_equal __, last_name
39 def test_parallel_assignment_with_one_variable
40 first_name, = ["John", "Smith"]
41 assert_equal __, first_name
44 def test_swapping_with_parallel_assignment
47 first_name, last_name = last_name, first_name
48 assert_equal __, first_name
49 assert_equal __, last_name