testAssert(l.toString().equals("list([one])"), "make list test");
test.builtins.types.D s = factory.makeD_Sstring("one");
testAssert(s.toString().equals("str(\"one\")"), "make str test");
SepIntList sepi1 = factory.makeSepIntList(1);
SepIntList sepi2 = factory.makeSepIntList(2, "sep", sepi1);
testAssert(sepi2.toString().equals("[2,\"sep\",\",\",1]"), "make builtins list");
SepIntList sepi3 = factory.makeSepIntList(2);
SepIntList sepi4 = factory.makeSepIntList(1, "sep", sepi3);
testAssert(
sepi2.reverseSepIntList().isEqual(sepi4),
"reverse separated builtins list");