40 lines
818 B
Ruby
40 lines
818 B
Ruby
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require 'minitest/autorun'
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require_relative 'collatz_conjecture'
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# Common test data version: 1.2.1 d94e348
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class CollatzConjectureTest < Minitest::Test
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def test_zero_steps_for_one
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# skip
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assert_equal 0, CollatzConjecture.steps(1)
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end
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def test_divide_if_even
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# skip
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assert_equal 4, CollatzConjecture.steps(16)
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end
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def test_even_and_odd_steps
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# skip
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assert_equal 9, CollatzConjecture.steps(12)
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end
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def test_large_number_of_even_and_odd_steps
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# skip
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assert_equal 152, CollatzConjecture.steps(1_000_000)
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end
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def test_zero_is_an_error
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# skip
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assert_raises(ArgumentError) do
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CollatzConjecture.steps(0)
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end
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end
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def test_negative_value_is_an_error
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# skip
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assert_raises(ArgumentError) do
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CollatzConjecture.steps(-15)
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end
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end
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end
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