1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/lib2to3/tests/test_parser.py b/Lib/lib2to3/tests/test_parser.py
index 83682b7..b64469c 100644
--- a/Lib/lib2to3/tests/test_parser.py
+++ b/Lib/lib2to3/tests/test_parser.py
@@ -54,6 +54,13 @@ class TestMatrixMultiplication(GrammarTest):
         self.validate("a @= b")
 
 
+class TestYieldFrom(GrammarTest):
+    def test_matrix_multiplication_operator(self):
+        self.validate("yield from x")
+        self.validate("(yield from x) + y")
+        self.invalid_syntax("yield from")
+
+
 class TestRaiseChanges(GrammarTest):
     def test_2x_style_1(self):
         self.validate("raise")