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require 'abstract_unit'
class OrderedHashTest < Test::Unit::TestCase
def setup
@keys = %w( blue green red pink orange )
@values = %w( 000099 009900 aa0000 cc0066 cc6633 )
@ordered_hash = ActiveSupport::OrderedHash.new
@keys.each_with_index do |key, index|
@ordered_hash[key] = @values[index]
end
end
def test_order
assert_equal @keys, @ordered_hash.keys
assert_equal @values, @ordered_hash.values
end
def test_access
assert @keys.zip(@values).all? { |k, v| @ordered_hash[k] == v }
end
def test_assignment
key, value = 'purple', '5422a8'
@ordered_hash[key] = value
assert_equal @keys.length + 1, @ordered_hash.length
assert_equal key, @ordered_hash.keys.last
assert_equal value, @ordered_hash.values.last
assert_equal value, @ordered_hash[key]
end
def test_delete
key, value = 'white', 'ffffff'
bad_key = 'black'
@ordered_hash[key] = value
assert_equal @keys.length + 1, @ordered_hash.length
assert_equal value, @ordered_hash.delete(key)
assert_equal @keys.length, @ordered_hash.length
assert_nil @ordered_hash.delete(bad_key)
end
def test_has_key
assert_equal true, @ordered_hash.has_key?('blue')
assert_equal true, @ordered_hash.key?('blue')
assert_equal true, @ordered_hash.include?('blue')
assert_equal true, @ordered_hash.member?('blue')
assert_equal false, @ordered_hash.has_key?('indigo')
assert_equal false, @ordered_hash.key?('indigo')
assert_equal false, @ordered_hash.include?('indigo')
assert_equal false, @ordered_hash.member?('indigo')
end
def test_has_value
assert_equal true, @ordered_hash.has_value?('000099')
assert_equal true, @ordered_hash.value?('000099')
assert_equal false, @ordered_hash.has_value?('ABCABC')
assert_equal false, @ordered_hash.value?('ABCABC')
end
def test_each_key
keys = []
@ordered_hash.each_key { |k| keys << k }
assert_equal @keys, keys
end
def test_each_value
values = []
@ordered_hash.each_value { |v| values << v }
assert_equal @values, values
end
def test_each
values = []
@ordered_hash.each {|key, value| values << value}
assert_equal @values, values
end
def test_each_with_index
@ordered_hash.each_with_index { |pair, index| assert_equal [@keys[index], @values[index]], pair}
end
def test_delete_if
(copy = @ordered_hash.dup).delete('pink')
assert_equal copy, @ordered_hash.delete_if { |k, _| k == 'pink' }
assert !@ordered_hash.keys.include?('pink')
end
def test_reject!
(copy = @ordered_hash.dup).delete('pink')
@ordered_hash.reject! { |k, _| k == 'pink' }
assert_equal copy, @ordered_hash
assert !@ordered_hash.keys.include?('pink')
end
def test_reject
copy = @ordered_hash.dup
new_ordered_hash = @ordered_hash.reject { |k, _| k == 'pink' }
assert_equal copy, @ordered_hash
assert !new_ordered_hash.keys.include?('pink')
end
end
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