The code for deducing the type of output sequence was assuming that the
input sequence is always a template class and was trying to use the
corresponding container type for the output sequence. Fixed the
deduction code, to assume that the output sequence has the same type as
the input sequence, when it's not a template class. Also added tests to
verify that all QtConcurrent functions support non-template input
sequences.
Fixes: QTBUG-30617
Pick-to: 6.2 6.1
Change-Id: I486fe99f3207cfff5dcceb3712cc7de863067edb
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
QtConcurrent reduce functions were requiring to explicitly pass the
the result type when passing functors as reductor. This was because of
inability to deduce the result type from the functors. The result type
of the QtConcurrent reduce functions should match with the type of the
fist argument of the operator() when a functor is passed. Reused the
ArgResolver type trait (already used for QFuture and QtConcurrent::run)
to find out the result type in that case.
Task-number: QTBUG-88448
Change-Id: Ief0eeee197df8cb9c30f3403d71978f36e4fb0f2
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Those serve no purpose anymore, now that the .pro files are gone.
Task-number: QTBUG-88742
Change-Id: I39943327b8c9871785b58e9973e4e7602371793e
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
Remove the qmake project files for most of Qt.
Leave the qmake project files for examples, because we still test those
in the CI to ensure qmake does not regress.
Also leave the qmake project files for utils and other minor parts that
lack CMake project files.
Task-number: QTBUG-88742
Change-Id: I6cdf059e6204816f617f9624f3ea9822703f73cc
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
Complete search and replace of QtTest and QtTest/QtTest with QTest, as
QtTest includes the whole module. Replace all such instances with
correct header includes. See Jira task for more discussion.
Fixes: QTBUG-88831
Change-Id: I981cfae18a1cabcabcabee376016b086d9d01f44
Pick-to: 6.0
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
There are many different ways to to call map and filter functions
in QtConcurrent. This patch adds a python script to generate
all possible combinations.
Change-Id: I61ed1758601e219c5852e8cc939c5feebb23d2f6
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>
QtConcurrent::blockingMapped was not able to determine the result
type in case of passing containers that have more than one template
argument. This should be fixed by the parrent commit.
Also fixed some unrelated compiler warnings.
Change-Id: I96618dc955c5e4c3792f28f6436d6851745dc01d
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
- Remove the casting operator of QFuture<T> to T. It calls
QFuture::result(), which may lead to undefined behavior if the user
has moved the results from QFuture via QFuture::takeResult() before
trying to do the conversion.
- Disable implicit conversion of QFuture<T> to QFuture<void>, by making
the constructor explicit. If the users really intend to do the
conversion, they should do it explicitly.
[ChangeLog][Source-Incompatible Changes][QFuture] Implicit conversions
of QFuture<T> to T and to QFuture<void> have been disabled. Use
QFuture::result() or QFuture::takeResult() where you need to convert
QFuture<T> to T. Use the explicit QFuture<void>(const QFuture<T> &)
constructor to convert QFuture<T> to QFuture<void>.
Change-Id: I153d4137d36365b1611ac934fb3ac2eb667fdd6c
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>
For the comparison of a QFuture<int> and an int, gcc creates code that
creates a qfloat16 instance, as can be seen when stepping through this
code:
QFuture<int> future;
int five = 5;
if (future == five)
return five;
Explicitly get the result of the QFuture to compare as a workaround.
Change-Id: Id2adc2268dbc0ccec7df3a9786c9d29dcdc04da3
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
QList::parameter_type is defined and used to give better
performance e.g. for arithmetic types. Let's use it consistently
in QList API instead of const T &
Change-Id: I2e12bd83f55679b55a14fbb23ab6172a9cf7bbcc
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
The test helpers are used both in the qtconcurrentmap tests and in the
qtconcurrentfilter tests. In the future, they should also be used
in generated tests. This patch moves the function out of the
qtconcurrentmap folder as it is not specific to 'map'.
Change-Id: Ie79a7ae3040a7eab7364a3aabf934158c7527b5a
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Using std::begin() and std::end() forces the user to have const begin()
and end() member functions being defined for the passed container. This
is because std::declval<T>() returns rvalue which forces the compiler
to select std::{begin, end}()(const Container &c) overloads and an test
for a presence of const {begin, end}() methods.
Change-Id: I9d96d9f73891ece53224f1741a1334500f7b35ad
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
QtConcurrent::filtered test-cases for move-only containers were failing
to compile, because it is assumed that the passed container should have
value_type defined.
Change-Id: I3e9e5ebc07704cb98a15b125ae8bd5b5a84d497a
Reviewed-by: Andreas Buhr <andreas.buhr@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Unit tests are added to make sure QtConcurrent works on
move-only sequences.
Change-Id: I1d066f75ceab9cef98832e96c5827103cbfd72a8
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
Changed QtConcurrent algorithms to take the passed sequences as
universal references, where it makes sense. In addition to avoiding
to create extra copies when passing rvalues, this change allows
passing temporary container adaptors to QtConcurrent::map (e.g. see
the example in the ticket and the new test-cases).
Task-number: QTBUG-83170
Change-Id: Ia7c0833f4ec1d860294fa5214cd53934b65ff084
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
QtConcurrent algorithms are making an internal copy of the passed
sequence, to make sure it won't be destroyed before the execution
is finished. However, they were using iterators of the originally
passed sequence. So, if the original sequence is deleted, QtConcurrent
algorithms would use invalid iterators to a deleted sequence. This
might work with Qt containers thanks to implicit-sharing, but with
other containers will lead to unexpected results. Fixed them to work
on the internal copy of the original sequence.
Change-Id: I1d68692ed9746223c85f51bb05977bc1443b681d
Reviewed-by: Andreas Buhr <andreas.buhr@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Karsten Heimrich <karsten.heimrich@qt.io>
Modify special case locations to use the new API as well.
Clean up some stale .prev files that are not needed anymore.
Clean up some project files that are not used anymore.
Task-number: QTBUG-86815
Change-Id: I9947da921f98686023c6bb053dfcc101851276b5
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Replace the implementation of blockingMappedReduced():
after calling non-blocking version of mappedReduced() we are getting
the future object, so we may call in sequence result(), which
will block and return the result when the all tasks are done.
The same is done with blockigMapped(), which calls blockingMappedReduced()
with a custom reduce function.
Looks like with this pattern we can reuse the non-blocking version
for implementing blocking version of mapped / filtered methods.
Task-number: QTBUG-83918
Change-Id: I7f240cfbd04834d551ff79d717b72194a26996d7
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
Test the case where reduce function of the form:
V function(T &result, const U &intermediate)
has T and U types different.
Task-number: QTBUG-83802
Change-Id: Ic89396caba16e7e47ae3ec1527e31b8620f1b08c
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
After adding new tests, the source code of tst_concurrentmap
grows rapidly with copy/paste/replace pattern.
This intoduce the issue with maintaining the test.
Get rid of separate functions for testing blocking versions
of mapped/mappedReduced and test blocking versions in parallel
with non-blocking flavors. So again, get rid of duplicated code.
Task-number: QTBUG-83258
Change-Id: I4cac6f4e1bfd1b50363dc094610717674aebf2af
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
Test the case where reduce function of the form:
V function(T &result, const U &intermediate)
has T and U types different. Make use of
numberSumReduce function and corresponding functor
that reduce Number class object to the result of int type.
Fixes: QTBUG-83258
Change-Id: I194d290988b48e7bca91228c0cd5d39efd1b4712
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
Move tests with initial value next to their original version.
Join new lambda tests into a common functions
testing all possible 16 combinations of
functor / function / member / lambda, as they
test in fact the same function. There is no need
to distinguish lambda case over other cases.
This helps in test readability and maintenance.
Add missing tests for lambdas with a combination
of initial value.
Task-number: QTBUG-83258
Change-Id: I7a3d2bf87384d7feecffaaf39281cd626955b0a4
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
* support lambda expressions
* remove the need to specify result_type
* use std::invoke to apply map|filter function
* remove usage of FunctionWrapper* and createFunctionWrapper
Task-number: QTBUG-33735
Task-number: QTBUG-82646
Change-Id: Ibcbe4278f0742c29182bd506081db0abb516f85f
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
It takes any type which is implictly covertible to the result type
and then converts it in the outer-layers. Then it passes it into the
deeper layers and initiales the result value.
One drive-by fix with a missing letter in the documentation.
[ChangeLog][QtConcurrent] QtConcurrent::mappedReduce and
QtConcurrent::filteredReduced, as well as their blocking variants,
now optionally take an initial value.
Fixes: QTBUG-73240
Change-Id: I7a80d96693cfa3374847c75c75b3167664609c1a
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
QLinkedList has been moved to Qt5Compat. Remove and stop mentioning
it in docs, examples (the docs & examples for QLinkedList itself will
be moved to Qt5Compat) and remove the corresponding tests.
Also remove QT_NO_LINKED_LIST, since it's not needed anymore.
Task-number: QTBUG-81630
Task-number: QTBUG-80312
Change-Id: I4a8f1105cb60aa87e7fd67e901ec1a27c489aa31
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
The concept was a nice idea to avoid accidental detach() calls
in implicitly shared containers, but it conflicts with a C++11
compatible API for them, with signatures for modifying methods
taking a const_iterator as argument and returning an iterator
(e.g. iterator erase(const_iterator)).
Change-Id: Ia33124bedbd260774a0a66f49aedd84e19c9971b
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
This is almost 100% source compatible with Qt 5. Exceptions are
* Stability of references for large or non movable types
* taking a PMF for types that are now overloaded with r-value references
in QVector
* The missing prepend optimization in QVector (that is still planned
to come for Qt 6)
Change-Id: I96d44553304dd623def9c70d6fea8fa2fb0373b0
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
QLinkedList is still used in several tests. Add exceptions for
these subdirs.
Change-Id: I50ccd2a0892129d4a47aa4e2400211690da9a82d
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Semi-automated, just needed ~20 manual fixes:
$ find \( -iname \*.cpp -or -iname \*.h \) -exec perl -pe 's/(\.|->)load\(\)/$1loadRelaxed\(\)/g' -i \{\} +
$ find \( -iname \*.cpp -or -iname \*.h \) -exec perl -pe 's/(\.|->)store\(/$1storeRelaxed\(/g' -i \{\} +
It can be easily improved (e.g. for store check that there are no commas
after the opening parens). The most common offender is QLibrary::load,
and some code using std::atomic directly.
Change-Id: I07c38a3c8ed32c924ef4999e85c7e45cf48f0f6c
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
The first replacement had missed objective-C++ code some places ourside
the src dir.
In C-files Q_DECL_NOTHROW is replaced with Q_DECL_NOEXCEPT as we still
need to turn it off when compiled in C mode, but can get rid of the old
NOTHROW moniker.
Change-Id: I6370f57066679c5120d0265a69e7e378e09d4759
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Removes handling of missing Q_COMPILER_NULLPTR, Q_COMPILER_AUTODECL,
Q_COMPILER_LAMBDA, Q_COMPILER_VARIADIC_MACROS and
Q_COMPILER_AUTO_FUNCTION.
We haven't supported any compilers without these for a long time.
Change-Id: I3df88206516a25763e2c28b083733780f35a8764
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Switch to QTRY_COMPARE since thread-local references might be held shortly
after finished is signalled.
Change-Id: Ia32f1f45f6cc461352558e0f2acf9612f8a4639e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This test was blacklisted in 5.10 on opensuse, but it fails a lot on
ubuntu as well. While we are discussing a real fix for this, temporarily get this out of
the way.
Task-number: QTBUG-63152
Change-Id: I4f1d3b261013052636ee13eda30f94b647a43a38
Reviewed-by: Sami Nurmenniemi <sami.nurmenniemi@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
