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##
# Struct ISO Test
assert('Struct', '15.2.18') do
assert_equal Class, Struct.class
end
assert('Struct.new', '15.2.18.3.1') do
c = Struct.new(:m1, :m2)
assert_equal Struct, c.superclass
assert_equal [:m1, :m2], c.members
end
# Check crash bug with Struc.new and no params.
assert('Struct.new', '15.2.18.3.1') do
c = Struct.new()
assert_equal Struct, c.superclass
assert_equal [], c.members
end
assert('Struct#==', '15.2.18.4.1') do
c = Struct.new(:m1, :m2)
cc1 = c.new(1,2)
cc2 = c.new(1,2)
assert_true cc1 == cc2
Struct.new(:m1, :m2) { def foo; end }
assert_raise(NoMethodError) { Struct.new(:m1).new.foo }
end
assert('Struct#[]', '15.2.18.4.2') do
c = Struct.new(:m1, :m2)
cc = c.new(1,2)
assert_equal 1, cc[:m1]
assert_equal 2, cc["m2"]
assert_equal 1, cc[0]
assert_equal 2, cc[-1]
assert_raise(TypeError) { cc[[]] }
assert_raise(IndexError) { cc[2] }
assert_raise(NameError) { cc['tama'] }
end
assert('Struct#[]=', '15.2.18.4.3') do
c = Struct.new(:m1, :m2)
cc = c.new(1,2)
cc[:m1] = 3
assert_equal 3, cc[:m1]
cc["m2"] = 3
assert_equal 3, cc["m2"]
cc[0] = 4
assert_equal 4, cc[0]
cc[-1] = 5
assert_equal 5, cc[-1]
assert_raise(TypeError) { cc[[]] = 3 }
assert_raise(IndexError) { cc[2] = 7 }
assert_raise(NameError) { cc['pochi'] = 8 }
end
assert('Struct#each', '15.2.18.4.4') do
c = Struct.new(:m1, :m2)
cc = c.new(1,2)
a = []
cc.each{|x|
a << x
}
assert_equal [1, 2], a
end
assert('Struct#each_pair', '15.2.18.4.5') do
c = Struct.new(:m1, :m2)
cc = c.new(1,2)
a = []
cc.each_pair{|k,v|
a << [k,v]
}
assert_equal [[:m1, 1], [:m2, 2]], a
end
assert('Struct#members', '15.2.18.4.6') do
c = Struct.new(:m1, :m2)
assert_equal [:m1, :m2], c.new(1,2).members
end
assert('Struct#select', '15.2.18.4.7') do
c = Struct.new(:m1, :m2)
assert_equal([2]) { c.new(1,2).select{|v| v % 2 == 0} }
end
assert('large struct') do
c = Struct.new(:m1, :m2, :m3, :m4, :m5, :m6, :m7, :m8, :m9, :m10, :m11, :m12, :m13)
cc = c.new(1,2,3,4,5,6,7,8,9,10,11,12,13)
assert_equal 1, cc.m1
assert_equal 2, cc.m2
assert_equal 3, cc.m3
assert_equal 4, cc.m4
assert_equal 5, cc.m5
assert_equal 6, cc.m6
assert_equal 7, cc.m7
assert_equal 8, cc.m8
assert_equal 9, cc.m9
assert_equal 10, cc.m10
assert_equal 13, cc.m13
cc.m13 = 'test'
assert_equal 'test', cc.m13
assert_raise(NoMethodError) { cc.m14 }
end
assert('wrong struct arg count') do
c = Struct.new(:m1)
assert_raise ArgumentError do
cc = c.new(1,2,3)
end
end
assert('struct dup') do
c = Struct.new(:m1, :m2, :m3, :m4, :m5)
cc = c.new(1,2,3,4,5)
assert_nothing_raised {
assert_equal(cc, cc.dup)
}
end
assert('struct inspect') do
c = Struct.new(:m1, :m2, :m3, :m4, :m5)
cc = c.new(1,2,3,4,5)
assert_equal "#<struct m1=1, m2=2, m3=3, m4=4, m5=5>", cc.inspect
end
assert('Struct#length, Struct#size') do
s = Struct.new(:f1, :f2).new(0, 1)
assert_equal 2, s.size
assert_equal 2, s.length
end
assert('Struct#to_a, Struct#values') do
s = Struct.new(:mem1, :mem2).new('a', 'b')
assert_equal ['a', 'b'], s.to_a
assert_equal ['a', 'b'], s.values
end
assert('Struct#to_h') do
s = Struct.new(:white, :red, :green).new('ruuko', 'yuzuki', 'hitoe')
assert_equal(:white => 'ruuko', :red => 'yuzuki', :green => 'hitoe') { s.to_h }
end
assert('Struct#values_at') do
a = Struct.new(:blue, :purple).new('aki', 'io')
assert_equal ['aki'], a.values_at(0)
assert_equal ['io', 'aki'], a.values_at(1, 0)
assert_raise(IndexError) { a.values_at 2 }
end
assert("Struct#dig") do
a = Struct.new(:blue, :purple).new('aki', Struct.new(:red).new(1))
assert_equal 'aki', a.dig(:blue)
assert_equal 1, a.dig(:purple, :red)
assert_equal 1, a.dig(1, 0)
end
assert("Struct.new removes existing constant") do
skip "redefining Struct with same name cause warnings"
begin
assert_not_equal Struct.new("Test", :a), Struct.new("Test", :a, :b)
ensure
Struct.remove_const :Test
end
end
assert("Struct#initialize_copy requires struct to be the same type") do
begin
Struct.new("Test", :a)
a = Struct::Test.new("a")
Struct.remove_const :Test
Struct.new("Test", :a, :b)
assert_raise(TypeError) do
a.initialize_copy(Struct::Test.new("a", "b"))
end
ensure
Struct.remove_const :Test
end
end
assert("Struct.new does not allow array") do
assert_raise(TypeError) do
Struct.new("Test", [:a])
end
end
assert("Struct.new generates subclass of Struct") do
begin
original_struct = Struct
Struct = String
assert_equal original_struct, original_struct.new.superclass
ensure
Struct = original_struct
end
end
assert 'Struct#freeze' do
c = Struct.new :m
o = c.new
o.m = :test
assert_equal :test, o.m
o.freeze
assert_raise(RuntimeError) { o.m = :modify }
assert_raise(RuntimeError) { o[:m] = :modify }
assert_equal :test, o.m
end
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