ruby--ruby/test/ruby/test_struct.rb

53 lines
1.2 KiB
Ruby

require 'test/unit'
class TestStruct < Test::Unit::TestCase
def test_struct
struct_test = Struct.new("Test", :foo, :bar)
assert_equal(Struct::Test, struct_test)
test = struct_test.new(1, 2)
assert_equal(1, test.foo)
assert_equal(2, test.bar)
assert_equal(1, test[0])
assert_equal(2, test[1])
a, b = test.to_a
assert_equal(1, a)
assert_equal(2, b)
test[0] = 22
assert_equal(22, test.foo)
test.bar = 47
assert_equal(47, test.bar)
end
# [ruby-dev:26247] more than 10 struct members causes segmentation fault
def test_morethan10members
list = %w( a b c d e f g h i j k l m n o p )
until list.empty?
c = Struct.new(* list.map {|ch| ch.intern }).new
list.each do |ch|
c.__send__(ch)
end
list.pop
end
end
def test_small_structs
names = [:a, :b, :c, :d]
1.upto(4) {|n|
fields = names[0, n]
klass = Struct.new(*fields)
o = klass.new(*(0...n).to_a)
fields.each_with_index {|name, i|
assert_equal(i, o[name])
}
o = klass.new(*(0...n).to_a.reverse)
fields.each_with_index {|name, i|
assert_equal(n-i-1, o[name])
}
}
end
end