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# frozen_string_literal: false
require 'test/unit'
require '-test-/iter'
module TestIter
end
class TestIter::YieldBlock < Test::Unit::TestCase
class YieldTest
include Bug::Iter::Yield
attr_reader :blockarg
def test(arg, &block)
block.call(arg) {|blockarg| @blockarg = blockarg}
end
def call_proc(&block)
block.call {}
end
def call_lambda(&block)
block.call(&->{})
end
end
def test_yield_block
a = YieldTest.new
a.yield_block(:test, "foo") {|x, &b| assert_kind_of(Proc, b); b.call(x)}
assert_equal("foo", a.blockarg)
end
def test_yield_lambda
a = YieldTest.new
assert_not_predicate a.yield_block(:call_proc) {|&b| b}, :lambda?
assert_predicate a.yield_block(:call_lambda) {|&b| b}, :lambda?
end
end
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