diff --git a/Lib/test/test_compiler.py b/Lib/test/test_compiler.py
index 24930f8..8d4a3a99 100644
--- a/Lib/test/test_compiler.py
+++ b/Lib/test/test_compiler.py
@@ -248,6 +248,7 @@
 l[3:4]
 d = {'a': 2}
 d = {}
+s = {1}
 t = ()
 t = (1, 2)
 l = []
diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py
index f144ae7..4713d1a 100644
--- a/Lib/test/test_grammar.py
+++ b/Lib/test/test_grammar.py
@@ -749,7 +749,7 @@
 
     def testAtoms(self):
         ### atom: '(' [testlist] ')' | '[' [testlist] ']' | '{' [dictmaker] '}' | '`' testlist '`' | NAME | NUMBER | STRING
-        ### dictmaker: test ':' test (',' test ':' test)* [',']
+        ### dictorsetmaker: (test ':' test (',' test ':' test)* [',']) | (test (',' test)* [','])
 
         x = (1)
         x = (1 or 2 or 3)
@@ -769,6 +769,11 @@
         x = {'one': 1, 'two': 2,}
         x = {'one': 1, 'two': 2, 'three': 3, 'four': 4, 'five': 5, 'six': 6}
 
+        x = {'one'}
+        x = {'one', 1,}
+        x = {'one', 'two', 'three'}
+        x = {2, 3, 4,}
+
         x = `x`
         x = `1 or 2 or 3`
         self.assertEqual(`1,2`, '(1, 2)')
diff --git a/Lib/test/test_parser.py b/Lib/test/test_parser.py
index a7f8fc2..03803d9 100644
--- a/Lib/test/test_parser.py
+++ b/Lib/test/test_parser.py
@@ -59,7 +59,20 @@
 
     def test_expressions(self):
         self.check_expr("foo(1)")
+        self.check_expr("{1:1}")
+        self.check_expr("{1:1, 2:2, 3:3}")
+        self.check_expr("{1:1, 2:2, 3:3,}")
+        self.check_expr("{1}")
+        self.check_expr("{1, 2, 3}")
+        self.check_expr("{1, 2, 3,}")
+        self.check_expr("[]")
+        self.check_expr("[1]")
         self.check_expr("[1, 2, 3]")
+        self.check_expr("[1, 2, 3,]")
+        self.check_expr("()")
+        self.check_expr("(1,)")
+        self.check_expr("(1, 2, 3)")
+        self.check_expr("(1, 2, 3,)")
         self.check_expr("[x**3 for x in range(20)]")
         self.check_expr("[x**3 for x in range(20) if x % 3]")
         self.check_expr("[x**3 for x in range(20) if x % 2 if x % 3]")