88 lines
1.8 KiB
Ruby
88 lines
1.8 KiB
Ruby
require 'minitest/autorun'
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require_relative 'strain'
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class ArrayTest < Minitest::Test
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def test_empty_keep
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assert_equal [], [].keep { |e| e < 10 }
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end
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def test_keep_everything
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skip
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assert_equal [1, 2, 3], [1, 2, 3].keep { |e| e < 10 }
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end
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def test_keep_first_and_last
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skip
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assert_equal [1, 3], [1, 2, 3].keep(&:odd?)
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end
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def test_keep_neither_first_nor_last
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skip
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assert_equal [2, 4], [1, 2, 3, 4, 5].keep(&:even?)
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end
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def test_keep_strings
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skip
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words = %w(apple zebra banana zombies cherimoya zelot)
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result = words.keep { |word| word.start_with?('z') }
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assert_equal %w(zebra zombies zelot), result
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end
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def test_keep_arrays
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skip
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rows = [
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[1, 2, 3],
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[5, 5, 5],
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[5, 1, 2],
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[2, 1, 2],
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[1, 5, 2],
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[2, 2, 1],
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[1, 2, 5]
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]
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result = rows.keep { |row| row.include?(5) }
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assert_equal [[5, 5, 5], [5, 1, 2], [1, 5, 2], [1, 2, 5]], result
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end
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def test_empty_discard
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skip
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assert_equal [], [].discard { |e| e < 10 }
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end
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def test_discard_nothing
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skip
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assert_equal [1, 2, 3], [1, 2, 3].discard { |e| e > 10 }
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end
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def test_discard_first_and_last
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skip
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assert_equal [2], [1, 2, 3].discard(&:odd?)
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end
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def test_discard_neither_first_nor_last
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skip
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assert_equal [1, 3, 5], [1, 2, 3, 4, 5].discard(&:even?)
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end
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def test_discard_strings
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skip
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words = %w(apple zebra banana zombies cherimoya zelot)
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result = words.discard { |word| word.start_with?('z') }
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assert_equal %w(apple banana cherimoya), result
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end
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def test_discard_arrays
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skip
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rows = [
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[1, 2, 3],
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[5, 5, 5],
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[5, 1, 2],
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[2, 1, 2],
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[1, 5, 2],
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[2, 2, 1],
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[1, 2, 5]
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]
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result = rows.discard { |row| row.include?(5) }
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assert_equal [[1, 2, 3], [2, 1, 2], [2, 2, 1]], result
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end
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end
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