(self)
| 1436 | assert isinstance(s, StringRef) |
| 1437 | |
| 1438 | def test_str_concat_variadic(self): |
| 1439 | a = StringVal("a") |
| 1440 | b = StringVal("b") |
| 1441 | c = StringVal("c") |
| 1442 | r = StrConcat(a, b, c) |
| 1443 | assert isinstance(r, StringRef) |
| 1444 | |
| 1445 | def test_str_concat_empty(self): |
| 1446 | r = StrConcat() |