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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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6
tests/SelfTest/Baselines/teamcity.sw.approved.txt
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@@ -547,6 +547,8 @@ Exception.tests.cpp:<line number>|nunexpected exception with message:|n "For so
##teamcity[testStarted name='Unexpected exceptions can be translated']
Exception.tests.cpp:<line number>|nunexpected exception with message:|n "3.14"']
##teamcity[testFinished name='Unexpected exceptions can be translated' duration="{duration}"]
##teamcity[testStarted name='Upcasting special member functions']
##teamcity[testFinished name='Upcasting special member functions' duration="{duration}"]
##teamcity[testStarted name='Usage of the SizeIs range matcher']
##teamcity[testFinished name='Usage of the SizeIs range matcher' duration="{duration}"]
##teamcity[testStarted name='Use a custom approx']
@@ -671,6 +673,8 @@ Misc.tests.cpp:<line number>|nexpression failed with message:|n "Testing if fib
Misc.tests.cpp:<line number>|nexpression failed with message:|n "Testing if fib|[6|] (13) is even"|n CHECK( ( fib|[i|] % 2 ) == 0 )|nwith expansion:|n 1 == 0|n']
Misc.tests.cpp:<line number>|nexpression failed with message:|n "Testing if fib|[7|] (21) is even"|n CHECK( ( fib|[i|] % 2 ) == 0 )|nwith expansion:|n 1 == 0|n']
##teamcity[testFinished name='looped tests' duration="{duration}"]
##teamcity[testStarted name='make_unique reimplementation']
##teamcity[testFinished name='make_unique reimplementation' duration="{duration}"]
##teamcity[testStarted name='mean']
##teamcity[testFinished name='mean' duration="{duration}"]
##teamcity[testStarted name='measure']
@@ -807,6 +811,8 @@ Exception.tests.cpp:<line number>|nunexpected exception with message:|n "Why wo
##teamcity[testFinished name='tuple<tuple<int>,tuple<>,float>' duration="{duration}"]
##teamcity[testStarted name='uniform samples']
##teamcity[testFinished name='uniform samples' duration="{duration}"]
##teamcity[testStarted name='unique_ptr reimplementation: basic functionality']
##teamcity[testFinished name='unique_ptr reimplementation: basic functionality' duration="{duration}"]
##teamcity[testStarted name='vec<vec<string,alloc>> -> toString']
##teamcity[testFinished name='vec<vec<string,alloc>> -> toString' duration="{duration}"]
##teamcity[testStarted name='vector<bool> -> toString']