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require 'test/unit'
require 'ostruct'
class TC_OpenStruct < Test::Unit::TestCase
def test_equality
o1 = OpenStruct.new
o2 = OpenStruct.new
assert_equal(o1, o2)
o1.a = 'a'
assert_not_equal(o1, o2)
o2.a = 'a'
assert_equal(o1, o2)
o1.a = 'b'
assert_not_equal(o1, o2)
o2 = Object.new
o2.instance_eval{@table = {:a => 'b'}}
assert_not_equal(o1, o2)
end
def test_inspect
foo = OpenStruct.new
assert_equal("#<OpenStruct>", foo.inspect)
foo.bar = 1
foo.baz = 2
assert_equal("#<OpenStruct bar=1, baz=2>", foo.inspect)
foo = OpenStruct.new
foo.bar = OpenStruct.new
assert_equal('#<OpenStruct bar=#<OpenStruct>>', foo.inspect)
foo.bar.foo = foo
assert_equal('#<OpenStruct bar=#<OpenStruct foo=#<OpenStruct ...>>>', foo.inspect)
end
def test_frozen
o = OpenStruct.new
o.a = 'a'
o.freeze
assert_raise(TypeError) {o.b = 'b'}
assert_not_respond_to(o, :b)
assert_raise(TypeError) {o.a = 'z'}
assert_equal('a', o.a)
o = OpenStruct.new :a => 42
def o.frozen?; nil end
o.freeze
assert_raise(TypeError, '[ruby-core:22559]') {o.a = 1764}
end
def test_delete_field
bug = '[ruby-core:33010]'
o = OpenStruct.new
assert_not_respond_to(o, :a)
assert_not_respond_to(o, :a=)
o.a = 'a'
assert_respond_to(o, :a)
assert_respond_to(o, :a=)
a = o.delete_field :a
assert_not_respond_to(o, :a, bug)
assert_not_respond_to(o, :a=, bug)
assert_equal(a, 'a')
end
def test_method_missing_handles_square_bracket_equals
o = OpenStruct.new
assert_raise(NoMethodError) { o[:foo] = :bar }
end
def test_method_missing_handles_square_brackets
o = OpenStruct.new
assert_raise(NoMethodError) { o[:foo] }
end
end
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