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require 'test/unit'
require 'yaml'
module Syck
class TestOmap < Test::Unit::TestCase
def test_keys
map = YAML::Omap.new
map['foo'] = 'bar'
assert_equal 'bar', map['foo']
end
def test_order
map = YAML::Omap.new
map['a'] = 'b'
map['b'] = 'c'
assert_equal [%w{a b}, %w{b c}], map.to_a
end
def test_square
list = [["a", "b"], ["b", "c"]]
map = YAML::Omap[*list.flatten]
assert_equal list, map.to_a
assert_equal 'b', map['a']
assert_equal 'c', map['b']
end
def test_to_yaml
map = YAML::Omap['a', 'b', 'c', 'd']
yaml = map.to_yaml
assert_match('!omap', yaml)
assert_match('- a: b', yaml)
assert_match('- c: d', yaml)
end
def test_round_trip
list = [["a", "b"], ["b", "c"]]
map = YAML::Omap[*list.flatten]
loaded = YAML.load(YAML.dump(map))
assert_equal map, loaded
assert_equal list, loaded.to_a
end
###
# FIXME: Syck should also support !!omap as shorthand
def test_load
list = [["a", "b"], ["c", "d"]]
map = YAML.load(<<-eoyml)
--- !omap
- a: b
- c: d
eoyml
assert_equal list, map.to_a
end
end
end
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