public void comboString()
{
assertEquals("Input: comboString(\"Hello\", \"hi\")", "hiHellohi", exercises.ComboString("Hello", "hi"));
assertEquals("Input: comboString(\"hi\", \"Hello\")", "hiHellohi", exercises.ComboString("hi", "Hello"));
assertEquals("Input: comboString(\"aaa\", \"b\")", "baaab", exercises.ComboString("aaa", "b"));
assertEquals("Input: comboString(\"b\", \"aaa\")", "baaab", exercises.ComboString("b", "aaa"));
assertEquals("Input: comboString(\"aaa\", \"\")", "aaa", exercises.ComboString("aaa", ""));
assertEquals("Input: comboString(\"\", \"bb\")", "bb", exercises.ComboString("", "bb"));
assertEquals("Input: comboString(\"aaa\", \"1234\")", "aaa1234aaa", exercises.ComboString("aaa", "1234"));
assertEquals("Input: comboString(\"aaa\", \"bb\")", "bbaaabb", exercises.ComboString("aaa", "bb"));
assertEquals("Input: comboString(\"a\", \"bb\")", "abba", exercises.ComboString("a", "bb"));
assertEquals("Input: comboString(\"bb\", \"a\")", "abba", exercises.ComboString("bb", "a"));
assertEquals("Input: comboString(\"xyz\", \"ab\")", "abxyzab", exercises.ComboString("xyz", "ab"));
}
