33 lines
898 B
Lua
33 lines
898 B
Lua
-- Write a function to calculate the nth fibonacci number.
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--
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-- Solution --------------------------------------------------------------------
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function nth_fibonacci_number(n)
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-- Your implementation here
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end
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-- Tests -----------------------------------------------------------------------
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local luaunit = require("luaunit.luaunit")
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function test_3rd_fibonacci_number_is_2()
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luaunit.assertEquals(nth_fibonacci_number(3), 2)
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end
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function test_5th_fibonacci_number_is_5()
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luaunit.assertEquals(nth_fibonacci_number(5), 5)
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end
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function test_10th_fibonacci_number_is_55()
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luaunit.assertEquals(nth_fibonacci_number(10), 55)
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end
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function test_20th_fibonacci_number_is_6765()
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luaunit.assertEquals(nth_fibonacci_number(20), 6765)
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end
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function test_80th_fibonacci_number_is_23416728348467685()
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luaunit.assertEquals(nth_fibonacci_number(80), 23416728348467685)
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end
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os.exit(luaunit.LuaUnit.run())
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