diff options
Diffstat (limited to 'Lib/test/test_syntax.py')
| -rw-r--r-- | Lib/test/test_syntax.py | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py index 0c0fc48..06636ae 100644 --- a/Lib/test/test_syntax.py +++ b/Lib/test/test_syntax.py @@ -63,10 +63,9 @@ SyntaxError: cannot assign to __debug__ Traceback (most recent call last): SyntaxError: cannot assign to function call -# Pegen does not support this yet -# >>> del f() -# Traceback (most recent call last): -# SyntaxError: cannot delete function call +>>> del f() +Traceback (most recent call last): +SyntaxError: cannot delete function call >>> a + 1 = 2 Traceback (most recent call last): @@ -665,7 +664,7 @@ class SyntaxTestCase(unittest.TestCase): self.fail("SyntaxError is not a %s" % subclass.__name__) mo = re.search(errtext, str(err)) if mo is None: - self.fail("SyntaxError did not contain '%r'" % (errtext,)) + self.fail("SyntaxError did not contain %r" % (errtext,)) self.assertEqual(err.filename, filename) if lineno is not None: self.assertEqual(err.lineno, lineno) @@ -677,10 +676,36 @@ class SyntaxTestCase(unittest.TestCase): def test_assign_call(self): self._check_error("f() = 1", "assign") - @support.skip_if_new_parser("Pegen does not produce a specialized error " - "message yet") def test_assign_del(self): - self._check_error("del f()", "delete") + self._check_error("del (,)", "invalid syntax") + self._check_error("del 1", "delete literal") + self._check_error("del (1, 2)", "delete literal") + self._check_error("del None", "delete None") + self._check_error("del *x", "delete starred") + self._check_error("del (*x)", "delete starred") + self._check_error("del (*x,)", "delete starred") + self._check_error("del [*x,]", "delete starred") + self._check_error("del f()", "delete function call") + self._check_error("del f(a, b)", "delete function call") + self._check_error("del o.f()", "delete function call") + self._check_error("del a[0]()", "delete function call") + self._check_error("del x, f()", "delete function call") + self._check_error("del f(), x", "delete function call") + self._check_error("del [a, b, ((c), (d,), e.f())]", "delete function call") + self._check_error("del (a if True else b)", "delete conditional") + self._check_error("del +a", "delete operator") + self._check_error("del a, +b", "delete operator") + self._check_error("del a + b", "delete operator") + self._check_error("del (a + b, c)", "delete operator") + self._check_error("del (c[0], a + b)", "delete operator") + self._check_error("del a.b.c + 2", "delete operator") + self._check_error("del a.b.c[0] + 2", "delete operator") + self._check_error("del (a, b, (c, d.e.f + 2))", "delete operator") + self._check_error("del [a, b, (c, d.e.f[0] + 2)]", "delete operator") + self._check_error("del (a := 5)", "delete named expression") + # We don't have a special message for this, but make sure we don't + # report "cannot delete name" + self._check_error("del a += b", "invalid syntax") def test_global_param_err_first(self): source = """if 1: |