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GMockでオブジェクトを返す場合の期待値の書き方について

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EXPECT_CALL(mock_object, method(matchers))
  .WiilRepeatedly(Return(new someClass()));

と書くと期待値をキャッシュしてしまうため、二重開放が発生してしまう。
そのため、

EXPECT_CALL(mock_object, method(matchers))
  .WiilRepeatedly(ReturnNEW<somClass>()));

と書かなければならない。

もちろん、mock_objectにオブジェクト開放の責務がある場合、ReturnNewではダメ。
つうか、こんなテストコードを書かなければならないようなコードはファクトリークラスなどの一部の例外を除いて書いてはいけない。。。

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