catch3/src/catch2/internal/catch_string_manip.hpp, branch build/rules-swift-windows Progmasoft Catch3: an independently maintained C++17 test framework with a parallel runner, property checks, snapshots and structured results. Use locale-independent toLower 2026-09-11T09:15:58+00:00 Martin Hořeňovský 2026-09-06T21:23:23+00:00 6a5075bf73273ecb83fca61efdfde2fa1a2690bf We generally do not even try to pretend to support more than plain ASCII, because doing unicode in old C++ standards is a pain and a half. For `toLower`, we used to wrap `std::tolower` with multiple casts to avoid UB, but calling into it is relatively slow, and it tries to handle different locales, which could cause unexpected results. In addition, the new implementation is significantly faster, which helps speed up the initial process bring up (as comparing tags, and thus test cases is now faster). 
We generally do not even try to pretend to support more than plain ASCII,
because doing unicode in old C++ standards is a pain and a half. For
`toLower`, we used to wrap `std::tolower` with multiple casts to avoid UB,
but calling into it is relatively slow, and it tries to handle different
locales, which could cause unexpected results.

In addition, the new implementation is significantly faster, which helps
speed up the initial process bring up (as comparing tags, and thus test
cases is now faster).
Add lifetime annotations to more places using StringRef 2025-10-04T14:38:07+00:00 Martin Hořeňovský 2025-10-04T14:38:07+00:00 363ca5af1816f2a03cf0815f916fe70fed19ba27 






Fix build with GCC 13 (add missing <cstdint> include)
2023-01-08T19:08:58+00:00

Sam James

2023-01-08T02:03:32+00:00

52066dbc2a53f4c3ab2a418d03f93200a8245451

GCC 13 (as usual for new compiler releases) shuffles around some
internal includes and so <cstdint> is no longer transitively included.

Explicitly include <cstdint> for uint64_t.

```
FAILED: src/CMakeFiles/Catch2.dir/catch2/internal/catch_clara.cpp.o
/usr/lib/ccache/bin/g++-13  -I/var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1/src/catch2/.. -I/var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1_build/generated-includes  -O2 -pipe
-march=native -fdiagnostics-color=always -frecord-gcc-switches -Wreturn-type -D_GLIBCXX_ASSERTIONS  -ggdb3 -fdiagnostics-color=always
-ffile-prefix-map=/var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1=. -Wall -Wc++20-compat -Wcast-align -Wcatch-value -Wdeprecated -Wexceptions -Wextra -Wextra-semi -Wfloat-equal -Winit-self
-Wmisleading-indentation -Wmismatched-new-delete -Wmismatched-tags -Wmissing-braces -Wmissing-declarations -Wmissing-noreturn -Wnull-dereference -Wold-style-cast -Woverloaded-virtual -Wparentheses
-Wpedantic -Wreorder -Wshadow -Wstrict-aliasing -Wsuggest-override -Wundef -Wuninitialized -Wunreachable-code -Wunused -Wunused-function -Wunused-parameter -Wvla -MD -MT
src/CMakeFiles/Catch2.dir/catch2/internal/catch_clara.cpp.o -MF src/CMakeFiles/Catch2.dir/catch2/internal/catch_clara.cpp.o.d -o src/CMakeFiles/Catch2.dir/catch2/internal/catch_clara.cpp.o -c
/var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1/src/catch2/internal/catch_clara.cpp
In file included from /var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1/src/catch2/internal/catch_clara.cpp:12:
/var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1/src/catch2/../catch2/internal/catch_string_manip.hpp:47:14: error: 'uint64_t' in namespace 'std' does not name a type; did you mean 'wint_t'?
   47 |         std::uint64_t m_count;
      |              ^~~~~~~~
      |              wint_t
/var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1/src/catch2/../catch2/internal/catch_string_manip.hpp:51:42: error: expected ')' before 'count'
   51 |         constexpr pluralise(std::uint64_t count, StringRef label):
      |                            ~             ^~~~~~
      |                                          )
```





GCC 13 (as usual for new compiler releases) shuffles around some
internal includes and so <cstdint> is no longer transitively included.

Explicitly include <cstdint> for uint64_t.

```
FAILED: src/CMakeFiles/Catch2.dir/catch2/internal/catch_clara.cpp.o
/usr/lib/ccache/bin/g++-13  -I/var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1/src/catch2/.. -I/var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1_build/generated-includes  -O2 -pipe
-march=native -fdiagnostics-color=always -frecord-gcc-switches -Wreturn-type -D_GLIBCXX_ASSERTIONS  -ggdb3 -fdiagnostics-color=always
-ffile-prefix-map=/var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1=. -Wall -Wc++20-compat -Wcast-align -Wcatch-value -Wdeprecated -Wexceptions -Wextra -Wextra-semi -Wfloat-equal -Winit-self
-Wmisleading-indentation -Wmismatched-new-delete -Wmismatched-tags -Wmissing-braces -Wmissing-declarations -Wmissing-noreturn -Wnull-dereference -Wold-style-cast -Woverloaded-virtual -Wparentheses
-Wpedantic -Wreorder -Wshadow -Wstrict-aliasing -Wsuggest-override -Wundef -Wuninitialized -Wunreachable-code -Wunused -Wunused-function -Wunused-parameter -Wvla -MD -MT
src/CMakeFiles/Catch2.dir/catch2/internal/catch_clara.cpp.o -MF src/CMakeFiles/Catch2.dir/catch2/internal/catch_clara.cpp.o.d -o src/CMakeFiles/Catch2.dir/catch2/internal/catch_clara.cpp.o -c
/var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1/src/catch2/internal/catch_clara.cpp
In file included from /var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1/src/catch2/internal/catch_clara.cpp:12:
/var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1/src/catch2/../catch2/internal/catch_string_manip.hpp:47:14: error: 'uint64_t' in namespace 'std' does not name a type; did you mean 'wint_t'?
   47 |         std::uint64_t m_count;
      |              ^~~~~~~~
      |              wint_t
/var/tmp/portage/dev-cpp/catch-3.0.1/work/Catch2-3.0.1/src/catch2/../catch2/internal/catch_string_manip.hpp:51:42: error: expected ')' before 'count'
   51 |         constexpr pluralise(std::uint64_t count, StringRef label):
      |                            ~             ^~~~~~
      |                                          )
```







Fix references to license file
2022-10-28T09:30:15+00:00

Lars Toenning

2022-10-28T09:22:53+00:00

f1084fb30990fe40c8f5b70034970c7eb4e1da72

The license file was renamed with 6a502cc2f5fedd59b3495b58708f0d6d987ed9e1





The license file was renamed with 6a502cc2f5fedd59b3495b58708f0d6d987ed9e1







Small cleanup for pluralise
2022-04-11T18:37:54+00:00

Martin Hořeňovský

2022-04-11T18:37:54+00:00

f25236ff430d98b3cba5495cc68235d1d7701b98












Counts internally use uint64_t instead of size_t
2021-12-06T19:42:51+00:00

Martin Hořeňovský

2021-12-02T15:25:11+00:00

dcf9479c85f4fbd1aa6a296ff81fff235c48e0c1

This ensures that even for 32 bit platforms, the assertion count
should not plausibly overflow.





This ensures that even for 32 bit platforms, the assertion count
should not plausibly overflow.







Lift toLower(char) to header
2021-11-09T10:44:54+00:00

Martin Hořeňovský

2021-11-08T22:58:09+00:00

7800fe970864199aa6c064aa49baa5fb3463a817












Change startsWith(char) to take StringRef as argument
2021-09-27T12:55:28+00:00

Martin Hořeňovský

2021-09-27T12:52:44+00:00

d42e7a23a0ca942e73b7065a1fbf28b6b2a817ce












Use StringRef in pluralise implementation
2021-09-07T22:24:40+00:00

Martin Hořeňovský

2021-09-07T22:24:36+00:00

b3a84c798380aca71f872b63121a3f93fb020746

This means that it can no longer be safely made ahead of time,
but nothing in our existing code used it like that. Normally it
is constructed and used in the same expression, which is now
more efficient.





This means that it can no longer be safely made ahead of time,
but nothing in our existing code used it like that. Normally it
is constructed and used in the same expression, which is now
more efficient.







Add standardized copyright notice + SPDX identifier to source files
2020-08-30T13:43:45+00:00

Martin Hořeňovský

2020-08-30T13:43:45+00:00

90aeffb97d6942d16f75a56b11e10fc0b010995a

This should also be done for test files, but that has lower priority.





This should also be done for test files, but that has lower priority.