public void nTwice()
{
assertEquals("Input: nTwice(\"Hello\", 2)", "Helo", exercises.NTwice("Hello", 2));
assertEquals("Input: nTwice(\"Chocolate\", 3)", "Choate", exercises.NTwice("Chocolate", 3));
assertEquals("Input: nTwice(\"Chocolate\", 1)", "Ce", exercises.NTwice("Chocolate", 1));
assertEquals("Input: Twice(\"Chocolate\", 0)", "", exercises.NTwice("Chocolate", 0));
assertEquals("Input: nTwice(\"Hello\", 4)", "Hellello", exercises.NTwice("Hello", 4));
assertEquals("Input: nTwice(\"Code\", 4)", "CodeCode", exercises.NTwice("Code", 4));
assertEquals("Input: nTwice(\"Code\", 2)", "Code", exercises.NTwice("Code", 2));
}
