### Question:
CalcApi { public String getEvaluateSumUrl(final int a, final int b) { return getEvaluateUrl(a + "+" + b); } CalcApi(final String pBasePath); String getEvaluateSumUrl(final int a, final int b); String getEvaluateUrl(String input);  }### Answer:
@Test public void calculateSum() throws Exception { assertEquals(BASE_PATH + "/" + "calc?input=1%2B15", mCalcApi.getEvaluateSumUrl(1, 15)); }