/
tri_test.rb
74 lines (59 loc) · 1.02 KB
/
tri_test.rb
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require "test/unit"
require "./tri"
class TriTest < Test::Unit::TestCase
def setup
end
def test_at_1
assert_equal(0, Tri.at(1))
end
def test_at_2
assert_equal(0, Tri.at(2))
end
def test_at_3
assert_equal(1, Tri.at(3))
end
def test_at_4
assert_equal(1, Tri.at(4))
end
def test_at_5
assert_equal(2, Tri.at(5))
end
def test_at_6
assert_equal(4, Tri.at(6))
end
def test_at_7
assert_equal(7, Tri.at(7))
end
def test_at_8
assert_equal(13, Tri.at(8))
end
def test_at_9
assert_equal(24, Tri.at(9))
end
def test_at_10
assert_equal(44, Tri.at(10))
end
def test_at_0
assert_raise RuntimeError do
Tri.at(0)
end
end
def test_at_negative
assert_raise RuntimeError do
Tri.at(-1)
end
assert_raise RuntimeError do
Tri.at(-99)
end
end
def test_at_not_integer
assert_raise RuntimeError do
Tri.at 1.5
end
assert_raise RuntimeError do
Tri.at 10.5
end
end
def teardown
end
end