Upstream ios/testing

ios/testing/ocmock_complex_type_helper.h

Index: ios/testing/ocmock_complex_type_helper.h
diff --git a/ios/testing/ocmock_complex_type_helper.h b/ios/testing/ocmock_complex_type_helper.h
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+++ b/ios/testing/ocmock_complex_type_helper.h
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+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef IOS_TESTING_OCMOCK_COMPLEX_TYPE_HELPER_H_
+#define IOS_TESTING_OCMOCK_COMPLEX_TYPE_HELPER_H_
+
+#import "third_party/google_toolbox_for_mac/src/Foundation/GTMLightweightProxy.h"
+#import "third_party/ocmock/OCMock/OCMock.h"
+
+// OCMock cannot check scalar arguments to method as it requires NSObjects to
+// work its magic. This class tries to alleviate this restriction in a crude
+// way. For an example of use, see the associated unittest class.
+@interface OCMockComplexTypeHelper : GTMLightweightProxy
+// As opposed to its parent class the OCMockComplexTypeHelper retains its
+// represented object.
+- (instancetype)initWithRepresentedObject:(id)object;
+// Registers a block to be called when a selector is called.
+- (void)onSelector:(SEL)selector callBlockExpectation:(id)block;
+// Unregisters the block associated to the selector.
+- (void)removeBlockExpectationOnSelector:(SEL)selector;
+// Returns the block for the given selector. Intended for use by subclasses.
+- (id)blockForSelector:(SEL)selector;
+@end
+
+#endif  // IOS_TESTING_OCMOCK_COMPLEX_TYPE_HELPER_H_