public void testeInicial1()
 {
     var calculo = new Calculo();
     calculo.setCaixas("5", "2", "1");
     calculo.TextBoxA_TextChanged(null, EventArgs.Empty);
     Assert.AreNotEqual("vermelho", calculo.getcaixaAcor());
     calculo.TextBoxB_TextChanged(null, EventArgs.Empty);
     Assert.AreNotEqual("vermelho", calculo.getcaixaBcor());
     calculo.TextBoxC_TextChanged(null, EventArgs.Empty);
     Assert.AreNotEqual("vermelho", calculo.getcaixaCcor());
 }
 public void ontextchangedOutros()
 {
     var calculo = new Calculo();
     calculo.setCaixas("#$%", "-0", "12345678");
     calculo.TextBoxA_TextChanged(null, EventArgs.Empty);
     Assert.AreEqual("vermelho", calculo.getcaixaAcor());
     calculo.TextBoxB_TextChanged(null, EventArgs.Empty);
     Assert.AreEqual("normal", calculo.getcaixaBcor());
     calculo.TextBoxC_TextChanged(null, EventArgs.Empty);
     Assert.AreEqual("normal", calculo.getcaixaCcor());
 }
 public void ontextchangedValidos()
 {
     var calculo = new Calculo();
     calculo.setCaixas("5", "", "1");
     calculo.TextBoxA_TextChanged(null, EventArgs.Empty);
     Assert.AreEqual("normal", calculo.getcaixaAcor());
     calculo.TextBoxB_TextChanged(null, EventArgs.Empty);
     Assert.AreEqual("normal", calculo.getcaixaBcor());
     calculo.TextBoxC_TextChanged(null, EventArgs.Empty);
     Assert.AreEqual("normal", calculo.getcaixaCcor());
 }
 public void ontextchangedInvalidos1()
 {
     var calculo = new Calculo();
     calculo.setCaixas("a", "  ", "123456789");
     calculo.TextBoxA_TextChanged(null, EventArgs.Empty);
     Assert.AreEqual("vermelho", calculo.getcaixaAcor());
     calculo.TextBoxB_TextChanged(null, EventArgs.Empty);
     Assert.AreEqual("vermelho", calculo.getcaixaBcor());
     calculo.TextBoxC_TextChanged(null, EventArgs.Empty);
     Assert.AreEqual("vermelho", calculo.getcaixaCcor());
 }