test_non_parallel_assignment
test_parallel_assignments
test_parallel_assignments_with_extra_values
test_parallel_assignments_with_splat_operator
test_parallel_assignments_with_too_few_variables
test_parallel_assignments_with_subarrays
test_parallel_assignment_with_one_variable
test_swapping_with_parallel_assignment
test_creating_hashes
test_hash_literals
test_accessing_hashes
test_accessing_hashes_with_fetch
test_changing_hashes
test_hash_is_unordered
test_hash_keys
test_hash_values
test_combining_hashes
test_default_value
test_default_value_is_the_same_object
test_default_value_with_block