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# frozen_string_literal: false
require 'test/unit'
class Test_ArithSeq < Test::Unit::TestCase
def test_beg_len_step
assert_separately([], <<-"end;") #do
require '-test-/arith_seq/beg_len_step'
r, = Enumerator::ArithmeticSequence.__beg_len_step__([1, 2, 3], 0, 0)
assert_equal(false, r)
r, = Enumerator::ArithmeticSequence.__beg_len_step__([1, 2, 3], 1, 0)
assert_equal(false, r)
r, = Enumerator::ArithmeticSequence.__beg_len_step__([1, 2, 3], 3, 0)
assert_equal(false, r)
r, = Enumerator::ArithmeticSequence.__beg_len_step__(1..3, 0, 0)
assert_equal(nil, r)
r = Enumerator::ArithmeticSequence.__beg_len_step__(1..3, 1, 0)
assert_equal([true, 1, 0, 1], r)
r = Enumerator::ArithmeticSequence.__beg_len_step__(1..3, 2, 0)
assert_equal([true, 1, 1, 1], r)
r = Enumerator::ArithmeticSequence.__beg_len_step__(1..3, 3, 0)
assert_equal([true, 1, 2, 1], r)
r = Enumerator::ArithmeticSequence.__beg_len_step__(1..3, 4, 0)
assert_equal([true, 1, 3, 1], r)
r = Enumerator::ArithmeticSequence.__beg_len_step__(1..3, 5, 0)
assert_equal([true, 1, 3, 1], r)
r = Enumerator::ArithmeticSequence.__beg_len_step__((-10..10).step(2), 24, 0)
assert_equal([true, 14, 0, 2], r)
r = Enumerator::ArithmeticSequence.__beg_len_step__((-10..10).step(3), 24, 0)
assert_equal([true, 14, 0, 3], r)
r = Enumerator::ArithmeticSequence.__beg_len_step__((-10..10).step(3), 22, 0)
assert_equal([true, 12, 0, 3], r)
r = Enumerator::ArithmeticSequence.__beg_len_step__((-10..10).step(-3), 22, 0)
assert_equal([true, 10, 3, -3], r)
r = Enumerator::ArithmeticSequence.__beg_len_step__(1..3, 0, 1)
assert_equal([true, 1, 3, 1], r)
end;
end
end
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