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struct.c: add keyword_init option to Struct.new

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to initialize struct with keyword arguments.

[Feature #11925] [close GH-1771]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61137 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
k0kubun 2017-12-12 08:12:43 +00:00
parent a679472c0e
commit 02015974a3
3 changed files with 92 additions and 11 deletions
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17
test/ruby/test_struct.rb
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@ -92,6 +92,23 @@ module TestStruct
assert_equal([:utime, :stime, :cutime, :cstime], Process.times.members)
end
def test_struct_new_with_keyword_init
@Struct.new("KeywordArgsTrue", :a, :b, keyword_init: true)
@Struct.new("KeywordArgsFalse", :a, :b, keyword_init: false)
assert_raise(ArgumentError) { @Struct::KeywordArgsTrue.new(1, 2) }
assert_nothing_raised { @Struct::KeywordArgsFalse.new(1, 2) }
assert_nothing_raised { @Struct::KeywordArgsTrue.new(a: 1, b: 2) }
assert_raise(ArgumentError) { @Struct::KeywordArgsTrue.new(1, b: 2) }
assert_raise(ArgumentError) { @Struct::KeywordArgsTrue.new(a: 1, b: 2, c: 3) }
assert_equal @Struct::KeywordArgsTrue.new(a: 1, b: 2).values, @Struct::KeywordArgsFalse.new(1, 2).values
@Struct.instance_eval do
remove_const(:KeywordArgsTrue)
remove_const(:KeywordArgsFalse)
end
end
def test_initialize
klass = @Struct.new(:a)
assert_raise(ArgumentError) { klass.new(1, 2) }