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Get most Enumerator::Product specs passing #8376

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Merged
merged 1 commit into from
Oct 14, 2024
Merged

Get most Enumerator::Product specs passing #8376

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23 changes: 21 additions & 2 deletions core/src/main/ruby/jruby/kernel/enumerator.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -487,11 +487,14 @@ def Enumerator.product(*enums, **kwargs, &block)
class Enumerator::Product < Enumerator
def initialize(*enums, **nil)
@__enums = enums
self
end

def each(&block)
return self unless block
__execute(block, [], @__enums)
if block
__execute(block, [], @__enums)
end
self
end

def __execute(block, values, enums)
Expand Down Expand Up @@ -525,4 +528,20 @@ def rewind
end
self
end

private def initialize_copy(other)
return self if self.equal?(other)

raise TypeError if !(Product === other)

super(other)

other_enums = other.instance_variable_get(:@__enums)

raise ArgumentError.new("uninitialized product") unless other_enums

@__enums = other_enums

self
end
end
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