public void altPairs() { assertEquals("Input: altPairs(\"kitten\")", "kien", exercises.AltPairs("kitten")); assertEquals("Input: altPairs(\"Chocolate\")", "Chole", exercises.AltPairs("Chocolate")); assertEquals("Input: altPairs(\"CodingHorror\")", "Congrr", exercises.AltPairs("CodingHorror")); assertEquals("Input: altPairs(\"yak\")", "ya", exercises.AltPairs("yak")); assertEquals("Input: altPairs(\"ya\")", "ya", exercises.AltPairs("ya")); assertEquals("Input: altPairs(\"y\")", "y", exercises.AltPairs("y")); assertEquals("Input: altPairs(\"\")", "", exercises.AltPairs("")); assertEquals("Input: altPairs(\"ThisThatTheOther\")", "ThThThth", exercises.AltPairs("ThisThatTheOther")); }