Created
October 3, 2014 10:39
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Ejercicio Ruby: número par y factorial
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def par(n) | |
true | |
end | |
describe "Método par" do | |
it "detecta que 4 es par" do | |
expect(par(4)).to eq(true) | |
end | |
it "detecta que 5 es impar" do | |
expect(par(5)).to eq(false) | |
end | |
end | |
describe "Método factorial" do | |
[[0, 1], | |
[1, 1], | |
[2, 2], | |
[3, 6], | |
[4, 24], | |
[5, 120] | |
].each do |n, esperado| | |
it "debe calcular factorial de #{n}" do | |
expect(fact(n)).to eq(esperado) | |
end | |
end | |
it "debe lanzar excepción con número negativo" do | |
expect{fact(-1)}.to raise_error(RuntimeError) | |
end | |
end |
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