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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/junit.sw.approved.txt
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@@ -1,7 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<testsuitesloose text artifact
>
<testsuite name="<exe-name>" errors="17" failures="132" tests="1914" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
<testsuite name="<exe-name>" errors="17" failures="132" tests="1942" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
<properties>
<property name="filters" value="~[!nonportable]~[!benchmark]~[approvals] *"/>
<property name="random-seed" value="1"/>
@@ -1256,6 +1256,8 @@ FAILED:
Exception.tests.cpp:<line number>
</error>
</testcase>
<testcase classname="<exe-name>.global" name="Upcasting special member functions/Move constructor" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Upcasting special member functions/move assignment" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Usage of the SizeIs range matcher/Some with stdlib containers" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Usage of the SizeIs range matcher/Type requires ADL found size free function" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Usage of the SizeIs range matcher/Type has size member" time="{duration}"/>
@@ -1577,6 +1579,9 @@ Testing if fib[7] (21) is even
Misc.tests.cpp:<line number>
</failure>
</testcase>
<testcase classname="<exe-name>.global" name="make_unique reimplementation/From lvalue copies" time="{duration}"/>
<testcase classname="<exe-name>.global" name="make_unique reimplementation/From rvalue moves" time="{duration}"/>
<testcase classname="<exe-name>.global" name="make_unique reimplementation/Variadic constructor" time="{duration}"/>
<testcase classname="<exe-name>.global" name="mean" time="{duration}"/>
<testcase classname="<exe-name>.global" name="measure" time="{duration}"/>
<testcase classname="<exe-name>.global" name="mix info, unscoped info and warning" time="{duration}"/>
@@ -1733,6 +1738,14 @@ Exception.tests.cpp:<line number>
<testcase classname="<exe-name>.global" name="tuple&lt;string,string>" time="{duration}"/>
<testcase classname="<exe-name>.global" name="tuple&lt;tuple&lt;int>,tuple&lt;>,float>" time="{duration}"/>
<testcase classname="<exe-name>.global" name="uniform samples" time="{duration}"/>
<testcase classname="<exe-name>.global" name="unique_ptr reimplementation: basic functionality/Default constructed unique_ptr is empty" time="{duration}"/>
<testcase classname="<exe-name>.global" name="unique_ptr reimplementation: basic functionality/Take ownership of allocation" time="{duration}"/>
<testcase classname="<exe-name>.global" name="unique_ptr reimplementation: basic functionality/Take ownership of allocation/Plain reset deallocates" time="{duration}"/>
<testcase classname="<exe-name>.global" name="unique_ptr reimplementation: basic functionality/Take ownership of allocation/Reset replaces ownership" time="{duration}"/>
<testcase classname="<exe-name>.global" name="unique_ptr reimplementation: basic functionality/Release releases ownership" time="{duration}"/>
<testcase classname="<exe-name>.global" name="unique_ptr reimplementation: basic functionality/Move constructor" time="{duration}"/>
<testcase classname="<exe-name>.global" name="unique_ptr reimplementation: basic functionality/Move assignment" time="{duration}"/>
<testcase classname="<exe-name>.global" name="unique_ptr reimplementation: basic functionality/free swap" time="{duration}"/>
<testcase classname="<exe-name>.global" name="vec&lt;vec&lt;string,alloc>> -> toString" time="{duration}"/>
<testcase classname="<exe-name>.global" name="vector&lt;bool> -> toString" time="{duration}"/>
<testcase classname="<exe-name>.global" name="vector&lt;int,allocator> -> toString" time="{duration}"/>