Tests: Added construct tests for generator expressions to check perfo…

…rmance.

tests/benchmarks/constructs/GeneratorExit.py

@@ -41,6 +41,9 @@ def generator():
     except exc:
         pass
 
+    return throw, exc
+
+
 for x in xrange(50000):
     calledRepeatedly()
 

tests/benchmarks/constructs/GeneratorExpressionExit.py

@@ -0,0 +1,45 @@
+#     Copyright 2015, Kay Hayen, mailto:[email protected]
+#
+#     Python test originally created or extracted from other peoples work. The
+#     parts from me are licensed as below. It is at least Free Softwar where
+#     it's copied from other people. In these cases, that will normally be
+#     indicated.
+#
+#     Licensed under the Apache License, Version 2.0 (the "License");
+#     you may not use this file except in compliance with the License.
+#     You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+#
+def calledRepeatedly():
+    # We measure making a generator iterator step or not.
+    gen = (x for x in range(3))
+
+    next(gen)
+
+    # Take attribute lookup out of it, and built-in lookup too.
+    throw = gen.throw
+    exc = GeneratorExit
+
+    try:
+# construct_begin
+        throw(exc)
+# construct_alternative
+        pass
+# construct_end
+    except exc:
+        pass
+
+    return throw, exc
+
+
+for x in xrange(50000):
+    calledRepeatedly()
+
+print("OK.")

tests/benchmarks/constructs/GeneratorExpressionUsage.py

@@ -0,0 +1,35 @@
+#     Copyright 2015, Kay Hayen, mailto:[email protected]
+#
+#     Python test originally created or extracted from other peoples work. The
+#     parts from me are licensed as below. It is at least Free Softwar where
+#     it's copied from other people. In these cases, that will normally be
+#     indicated.
+#
+#     Licensed under the Apache License, Version 2.0 (the "License");
+#     you may not use this file except in compliance with the License.
+#     You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#     Unless required by applicable law or agreed to in writing, software
+#     distributed under the License is distributed on an "AS IS" BASIS,
+#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#     See the License for the specific language governing permissions and
+#     limitations under the License.
+#
+
+def calledRepeatedly():
+    # We measure making a generator iterator step or not.
+    gen = (x for x in range(3))
+
+    x = next(gen)
+# construct_begin
+    next(gen)
+# construct_end
+
+    return x
+
+for x in xrange(50000):
+    calledRepeatedly()
+
+print("OK.")

tests/benchmarks/constructs/GeneratorUsage.py

@@ -34,6 +34,8 @@ def generator():
     next(gen)
 # construct_end
 
+    return x
+
 for x in xrange(50000):
     calledRepeatedly()