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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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58
tests/SelfTest/Baselines/tap.sw.approved.txt
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@@ -3021,6 +3021,10 @@ ok {test-number} - trim(StringRef(trailing_whitespace)) == StringRef(no_whitespa
ok {test-number} - trim(StringRef(whitespace_at_both_ends)) == StringRef(no_whitespace) for: There is no extra whitespace here == There is no extra whitespace here
# Unexpected exceptions can be translated
not ok {test-number} - unexpected exception with message: '3.14'
# Upcasting special member functions
ok {test-number} - bptr->i == 3 for: 3 == 3
# Upcasting special member functions
ok {test-number} - bptr->i == 3 for: 3 == 3
# Usage of the SizeIs range matcher
ok {test-number} - empty_vec, SizeIs(0) for: { } has size == 0
# Usage of the SizeIs range matcher
@@ -3418,6 +3422,12 @@ ok {test-number} - ( fib[i] % 2 ) == 0 for: 0 == 0 with 1 message: 'Testing if f
not ok {test-number} - ( fib[i] % 2 ) == 0 for: 1 == 0 with 1 message: 'Testing if fib[6] (13) is even'
# looped tests
not ok {test-number} - ( fib[i] % 2 ) == 0 for: 1 == 0 with 1 message: 'Testing if fib[7] (21) is even'
# make_unique reimplementation
ok {test-number} - !(lval.has_moved) for: !false
# make_unique reimplementation
ok {test-number} - rval.has_moved for: true
# make_unique reimplementation
ok {test-number} - *ptr == std::tuple<int, double, int>{1, 2., 3} for: {?} == {?}
# mean
ok {test-number} - m == 19. for: 19.0 == 19.0
# measure
@@ -3742,6 +3752,52 @@ ok {test-number} - e.upper_bound == 23 for: 23.0 == 23
ok {test-number} - e.lower_bound == 23 for: 23.0 == 23
# uniform samples
ok {test-number} - e.confidence_interval == 0.95 for: 0.95 == 0.95
# unique_ptr reimplementation: basic functionality
ok {test-number} - !(ptr) for: !{?}
# unique_ptr reimplementation: basic functionality
ok {test-number} - ptr.get() == 0 for: 0 == 0
# unique_ptr reimplementation: basic functionality
ok {test-number} - ptr for: {?}
# unique_ptr reimplementation: basic functionality
ok {test-number} - *ptr == 0 for: 0 == 0
# unique_ptr reimplementation: basic functionality
ok {test-number} - ptr.get() == naked_ptr for: 0x<hex digits> == 0x<hex digits>
# unique_ptr reimplementation: basic functionality
ok {test-number} - !(ptr) for: !{?}
# unique_ptr reimplementation: basic functionality
ok {test-number} - ptr.get() == 0 for: 0 == 0
# unique_ptr reimplementation: basic functionality
ok {test-number} - ptr for: {?}
# unique_ptr reimplementation: basic functionality
ok {test-number} - *ptr == 0 for: 0 == 0
# unique_ptr reimplementation: basic functionality
ok {test-number} - ptr.get() == naked_ptr for: 0x<hex digits> == 0x<hex digits>
# unique_ptr reimplementation: basic functionality
ok {test-number} - ptr for: {?}
# unique_ptr reimplementation: basic functionality
ok {test-number} - ptr.get() != 0 for: 0x<hex digits> != 0
# unique_ptr reimplementation: basic functionality
ok {test-number} - *ptr == 2 for: 2 == 2
# unique_ptr reimplementation: basic functionality
ok {test-number} - !(ptr) for: !{?}
# unique_ptr reimplementation: basic functionality
ok {test-number} - ptr.get() == 0 for: 0 == 0
# unique_ptr reimplementation: basic functionality
ok {test-number} - !(ptr1) for: !{?}
# unique_ptr reimplementation: basic functionality
ok {test-number} - ptr2 for: {?}
# unique_ptr reimplementation: basic functionality
ok {test-number} - *ptr2 == 1 for: 1 == 1
# unique_ptr reimplementation: basic functionality
ok {test-number} - !(ptr2) for: !{?}
# unique_ptr reimplementation: basic functionality
ok {test-number} - ptr1 for: {?}
# unique_ptr reimplementation: basic functionality
ok {test-number} - *ptr1 == 2 for: 2 == 2
# unique_ptr reimplementation: basic functionality
ok {test-number} - *ptr1 == 2 for: 2 == 2
# unique_ptr reimplementation: basic functionality
ok {test-number} - *ptr2 == 1 for: 1 == 1
# vec<vec<string,alloc>> -> toString
ok {test-number} - ::Catch::Detail::stringify(v) == "{ }" for: "{ }" == "{ }"
# vec<vec<string,alloc>> -> toString
@@ -3818,5 +3874,5 @@ ok {test-number} - q3 == 23. for: 23.0 == 23.0
ok {test-number} -
# xmlentitycheck
ok {test-number} -
1..1905
1..1933