Created
April 29, 2012 22:26
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Triangle Method
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| def test_equilateral_triangles_have_equal_sides | |
| assert_equal :equilateral, triangle(2, 2, 2) | |
| assert_equal :equilateral, triangle(10, 10, 10) | |
| end | |
| def test_isosceles_triangles_have_exactly_two_sides_equal | |
| assert_equal :isosceles, triangle(3, 4, 4) | |
| assert_equal :isosceles, triangle(4, 3, 4) | |
| assert_equal :isosceles, triangle(4, 4, 3) | |
| assert_equal :isosceles, triangle(10, 10, 2) | |
| end | |
| def test_scalene_triangles_have_no_equal_sides | |
| assert_equal :scalene, triangle(3, 4, 5) | |
| assert_equal :scalene, triangle(10, 11, 12) | |
| assert_equal :scalene, triangle(5, 4, 2) | |
| end |
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| def triangle(first, second, third) | |
| if first == second && second == third | |
| :equilateral | |
| elsif first != second && second != third && first != third | |
| :scalene | |
| else | |
| :isosceles | |
| end | |
| end |
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