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Implement a simplified variant of std::unique_ptr<T>

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This simplified variant supports only a subset of the functionality
in `std::unique_ptr<T>`. `Catch::Detail::unique_ptr<T>` only supports
single element pointer (no array support) with default deleter.

By removing the support for custom deleters, we also avoid requiring
significant machinery to support EBO, speeding up instantiations of
`unique_ptr<T>` significantly. Catch2 also currently does not need
to support `unique_ptr<T[]>`, so that is not supported either.
This commit is contained in:
Martin Hořeňovský
2020-05-24 23:41:02 +02:00
parent 66ab942903
commit 41bbaa6d57
14 changed files with 890 additions and 8 deletions
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15
tests/SelfTest/Baselines/sonarqube.sw.approved.txt
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@@ -180,6 +180,21 @@
<testCase name="parseEnums/One enum value" duration="{duration}"/>
<testCase name="parseEnums/Multiple enum values" duration="{duration}"/>
</file>
<file path="tests/<exe-name>/IntrospectiveTests/UniquePtr.tests.cpp">
<testCase name="Upcasting special member functions/Move constructor" duration="{duration}"/>
<testCase name="Upcasting special member functions/move assignment" duration="{duration}"/>
<testCase name="make_unique reimplementation/From lvalue copies" duration="{duration}"/>
<testCase name="make_unique reimplementation/From rvalue moves" duration="{duration}"/>
<testCase name="make_unique reimplementation/Variadic constructor" duration="{duration}"/>
<testCase name="unique_ptr reimplementation: basic functionality/Default constructed unique_ptr is empty" duration="{duration}"/>
<testCase name="unique_ptr reimplementation: basic functionality/Take ownership of allocation" duration="{duration}"/>
<testCase name="unique_ptr reimplementation: basic functionality/Take ownership of allocation/Plain reset deallocates" duration="{duration}"/>
<testCase name="unique_ptr reimplementation: basic functionality/Take ownership of allocation/Reset replaces ownership" duration="{duration}"/>
<testCase name="unique_ptr reimplementation: basic functionality/Release releases ownership" duration="{duration}"/>
<testCase name="unique_ptr reimplementation: basic functionality/Move constructor" duration="{duration}"/>
<testCase name="unique_ptr reimplementation: basic functionality/Move assignment" duration="{duration}"/>
<testCase name="unique_ptr reimplementation: basic functionality/free swap" duration="{duration}"/>
</file>
<file path="tests/<exe-name>/IntrospectiveTests/Xml.tests.cpp">
<testCase name="XmlEncode/normal string" duration="{duration}"/>
<testCase name="XmlEncode/empty string" duration="{duration}"/>