Issue #14697: Fix missing parser module support for set displays and set comprehensions.
diff --git a/Lib/test/test_parser.py b/Lib/test/test_parser.py
index edd1a09..50dc8d1 100644
--- a/Lib/test/test_parser.py
+++ b/Lib/test/test_parser.py
@@ -305,6 +305,29 @@
"except Exception as e:\n"
" raise ValueError from e\n")
+ def test_set_displays(self):
+ self.check_expr('{2}')
+ self.check_expr('{2,}')
+ self.check_expr('{2, 3}')
+ self.check_expr('{2, 3,}')
+
+ def test_dict_displays(self):
+ self.check_expr('{}')
+ self.check_expr('{a:b}')
+ self.check_expr('{a:b,}')
+ self.check_expr('{a:b, c:d}')
+ self.check_expr('{a:b, c:d,}')
+
+ def test_set_comprehensions(self):
+ self.check_expr('{x for x in seq}')
+ self.check_expr('{f(x) for x in seq}')
+ self.check_expr('{f(x) for x in seq if condition(x)}')
+
+ def test_dict_comprehensions(self):
+ self.check_expr('{x:x for x in seq}')
+ self.check_expr('{x**2:x[3] for x in seq if condition(x)}')
+ self.check_expr('{x:x for x in seq1 for y in seq2 if condition(x, y)}')
+
#
# Second, we take *invalid* trees and make sure we get ParserError