!7

p {
  assertEquals(pair("a", ll()), tok_parseFunctionCall("a()"));
  assertEquals(pair("a", ll("b")), tok_parseFunctionCall("a(b)"));
  assertEquals(pair("a", ll("b(c)")), tok_parseFunctionCall("a(b(c))"));
  assertEquals(pair("a", ll("b(c, d)")), tok_parseFunctionCall("a(b(c, d))"));
  assertEquals(pair("a", ll("b(c, d)", "e")), tok_parseFunctionCall("a(b(c, d), e)"));
  assertEquals(pair("foo", ll("a", "1")), tok_parseFunctionCall("foo(a, 1)"));
  assertNull(tok_parseFunctionCall("f"));
  assertNull(tok_parseFunctionCall("123"));
  assertNull(tok_parseFunctionCall("(f)"));
  print("OK");
}