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<title>catch3/src/catch2/internal/catch_preprocessor.hpp, branch docs/describe-catch3</title>
<subtitle>Progmasoft Catch3: an independently maintained C++17 test framework with a parallel runner, property checks, snapshots and structured results.</subtitle>
<link rel='alternate' type='text/html' href='https://git.progmasoft.com/catch3/'/>
<entry>
<title>Backport Catch2 3.16.1</title>
<updated>2026-10-10T23:56:25+00:00</updated>
<author>
<name>Leitwolf11</name>
</author>
<published>2026-10-10T23:56:25+00:00</published>
<link rel='alternate' type='text/html' href='https://git.progmasoft.com/catch3/commit/?id=1f78d8903c2fb18afea8c3055f8df83d8c60d9b5'/>
<id>1f78d8903c2fb18afea8c3055f8df83d8c60d9b5</id>
<content type='text'>
Review Catch2 devel through 08092139210881f01a34e60c5f2fd6afa0ea4024,
the commit of 3.16.1, and apply the eleven changes since the last
reviewed revision in upstream order:

  d7683484  better message when a reporter cannot be initialized
  ea5020f0  custom argument validation in every first-party reporter
  aa01559e  throwing-reporter test also throws in assertionEnded
  45cd3987  noexcept on handleUnexpectedInflightException
  6adbd539  MSVC optimizations enabled again after the benchmark headers
  e87f2882  no quadratic scaling for NTTP test registration
  73d546cd  REQUIRE expands its arguments fewer times under GCC and Clang
  b710039a  decomposer operators as plain functions
  f899467b  type-erased streaming of reconstructed expressions
  8f0e70ca  retired macos-14 runner dropped
  08092139  version 3.16.1 and its release notes

All of them applied to the sources without a conflict. The amalgamated
distribution under extras/ conflicted because it is generated; it is
generated again from the sources of this repository, which also brings
it up to date with fork changes it had not picked up: the list-based
stream pool, the Clang diagnostic boundary and the cassert include.

No file under src/Progmasoft changes. The fork-owned texts that name
the engine version say 3.16.1, and docs/upstream-status.md records the
review. Upstream files keep their names, licenses and compiler options.

Built with Clang 22 on Windows and tested: 148 of 149 tests pass. The
one that fails, Reporters::CrashInJunitReporter, fails the same way on
devel without this change with that compiler.
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Review Catch2 devel through 08092139210881f01a34e60c5f2fd6afa0ea4024,
the commit of 3.16.1, and apply the eleven changes since the last
reviewed revision in upstream order:

  d7683484  better message when a reporter cannot be initialized
  ea5020f0  custom argument validation in every first-party reporter
  aa01559e  throwing-reporter test also throws in assertionEnded
  45cd3987  noexcept on handleUnexpectedInflightException
  6adbd539  MSVC optimizations enabled again after the benchmark headers
  e87f2882  no quadratic scaling for NTTP test registration
  73d546cd  REQUIRE expands its arguments fewer times under GCC and Clang
  b710039a  decomposer operators as plain functions
  f899467b  type-erased streaming of reconstructed expressions
  8f0e70ca  retired macos-14 runner dropped
  08092139  version 3.16.1 and its release notes

All of them applied to the sources without a conflict. The amalgamated
distribution under extras/ conflicted because it is generated; it is
generated again from the sources of this repository, which also brings
it up to date with fork changes it had not picked up: the list-based
stream pool, the Clang diagnostic boundary and the cassert include.

No file under src/Progmasoft changes. The fork-owned texts that name
the engine version say 3.16.1, and docs/upstream-status.md records the
review. Upstream files keep their names, licenses and compiler options.

Built with Clang 22 on Windows and tested: 148 of 149 tests pass. The
one that fails, Reporters::CrashInJunitReporter, fails the same way on
devel without this change with that compiler.
</pre>
</div>
</content>
</entry>
<entry>
<title>Further reduce stamped out types for each templated test case</title>
<updated>2026-08-23T18:46:39+00:00</updated>
<author>
<name>Martin Hořeňovský</name>
</author>
<published>2026-08-23T13:05:36+00:00</published>
<link rel='alternate' type='text/html' href='https://git.progmasoft.com/catch3/commit/?id=499442d7ef9242ce1bb329d69ea13ee6d340421c'/>
<id>499442d7ef9242ce1bb329d69ea13ee6d340421c</id>
<content type='text'>
This provides further speed-ups for TUs with many test cases templated
over the same set of types. For especially test-heavy (but still
realistic) TUs, the speed up is up to 20%.
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
This provides further speed-ups for TUs with many test cases templated
over the same set of types. For especially test-heavy (but still
realistic) TUs, the speed up is up to 20%.
</pre>
</div>
</content>
</entry>
<entry>
<title>Avoid stamping out common type helpers in each templated test cases</title>
<updated>2026-08-23T09:31:50+00:00</updated>
<author>
<name>Martin Hořeňovský</name>
</author>
<published>2026-08-20T19:38:48+00:00</published>
<link rel='alternate' type='text/html' href='https://git.progmasoft.com/catch3/commit/?id=9a2b2ee8d6d325fc0d9ccf449fb375e78c6f3480'/>
<id>9a2b2ee8d6d325fc0d9ccf449fb375e78c6f3480</id>
<content type='text'>
This provides small (but measurable) improvements in compilation
times when a TU has multiple test cases templated over the same types.
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
This provides small (but measurable) improvements in compilation
times when a TU has multiple test cases templated over the same types.
</pre>
</div>
</content>
</entry>
<entry>
<title>fix: work around clang 20/21 + libc++ compile failure in TEMPLATE_PRODUCT_TEST_CASE with differing arities (#3173)</title>
<updated>2026-08-20T15:39:01+00:00</updated>
<author>
<name>Matt Van Horn</name>
</author>
<published>2026-08-20T15:39:01+00:00</published>
<link rel='alternate' type='text/html' href='https://git.progmasoft.com/catch3/commit/?id=fdfc07e571eb7f046013052a9fa57db51c6a2cb9'/>
<id>fdfc07e571eb7f046013052a9fa57db51c6a2cb9</id>
<content type='text'>
* fix: work around clang 20/21 + libc++ compile failure in TEMPLATE_PRODUCT_TEST_CASE with differing arities

Fixes #3115

* docs: reference llvm/llvm-project#130778 in the clang 20/21 workaround comment

---------

Co-authored-by: Matt Van Horn &lt;455140+mvanhorn@users.noreply.github.com&gt;</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
* fix: work around clang 20/21 + libc++ compile failure in TEMPLATE_PRODUCT_TEST_CASE with differing arities

Fixes #3115

* docs: reference llvm/llvm-project#130778 in the clang 20/21 workaround comment

---------

Co-authored-by: Matt Van Horn &lt;455140+mvanhorn@users.noreply.github.com&gt;</pre>
</div>
</content>
</entry>
<entry>
<title>Allow using only types in `TEMPLATE_TEST_CASE_SIG`. (#2995)</title>
<updated>2025-07-08T12:26:25+00:00</updated>
<author>
<name>Clement Courbet</name>
</author>
<published>2025-07-08T12:26:25+00:00</published>
<link rel='alternate' type='text/html' href='https://git.progmasoft.com/catch3/commit/?id=2de12cb05f1e54fc2a8f7a894f2a435297295efa'/>
<id>2de12cb05f1e54fc2a8f7a894f2a435297295efa</id>
<content type='text'>
Right now `TEMPLATE_TEST_CASE_SIG` fails to compile when the signature contains only types:

```
TEMPLATE_TEST_CASE_SIG(
  "TemplateTestSig: compiles with two type parameters",
  "[template][onlytypes]",
  ((typename U, typename V), U, V), (int,int)) {}
```

The trick is to resolve the ambiguity between the two overloads of
`get_wrapper` (`TypeList` and `Nttp`) by making one match more strongly.
We also need to allow `reg_test` to register more than one type.

Add unit tests.

Fixes #2680

---------

Co-authored-by: Martin Hořeňovský &lt;martin.horenovsky@gmail.com&gt;</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Right now `TEMPLATE_TEST_CASE_SIG` fails to compile when the signature contains only types:

```
TEMPLATE_TEST_CASE_SIG(
  "TemplateTestSig: compiles with two type parameters",
  "[template][onlytypes]",
  ((typename U, typename V), U, V), (int,int)) {}
```

The trick is to resolve the ambiguity between the two overloads of
`get_wrapper` (`TypeList` and `Nttp`) by making one match more strongly.
We also need to allow `reg_test` to register more than one type.

Add unit tests.

Fixes #2680

---------

Co-authored-by: Martin Hořeňovský &lt;martin.horenovsky@gmail.com&gt;</pre>
</div>
</content>
</entry>
<entry>
<title>Fix references to license file</title>
<updated>2022-10-28T09:30:15+00:00</updated>
<author>
<name>Lars Toenning</name>
</author>
<published>2022-10-28T09:22:53+00:00</published>
<link rel='alternate' type='text/html' href='https://git.progmasoft.com/catch3/commit/?id=f1084fb30990fe40c8f5b70034970c7eb4e1da72'/>
<id>f1084fb30990fe40c8f5b70034970c7eb4e1da72</id>
<content type='text'>
The license file was renamed with 6a502cc2f5fedd59b3495b58708f0d6d987ed9e1
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The license file was renamed with 6a502cc2f5fedd59b3495b58708f0d6d987ed9e1
</pre>
</div>
</content>
</entry>
<entry>
<title>Split REMOVE_PARENS from catch_preprocessor.hpp</title>
<updated>2022-04-15T15:14:28+00:00</updated>
<author>
<name>Martin Hořeňovský</name>
</author>
<published>2022-04-15T15:14:25+00:00</published>
<link rel='alternate' type='text/html' href='https://git.progmasoft.com/catch3/commit/?id=b5202576766c63a29275a8386a8e3c0439089382'/>
<id>b5202576766c63a29275a8386a8e3c0439089382</id>
<content type='text'>
This way, some headers can include just the new header, which
transitively decreases the total include size of test_macros.hpp.
</content>
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<pre>
This way, some headers can include just the new header, which
transitively decreases the total include size of test_macros.hpp.
</pre>
</div>
</content>
</entry>
<entry>
<title>Add standardized copyright notice + SPDX identifier to source files</title>
<updated>2020-08-30T13:43:45+00:00</updated>
<author>
<name>Martin Hořeňovský</name>
</author>
<published>2020-08-30T13:43:45+00:00</published>
<link rel='alternate' type='text/html' href='https://git.progmasoft.com/catch3/commit/?id=90aeffb97d6942d16f75a56b11e10fc0b010995a'/>
<id>90aeffb97d6942d16f75a56b11e10fc0b010995a</id>
<content type='text'>
This should also be done for test files, but that has lower priority.
</content>
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<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
This should also be done for test files, but that has lower priority.
</pre>
</div>
</content>
</entry>
<entry>
<title>Standardize include guard patterns to FILE_NAME_EXTENSION_INCLUDED</title>
<updated>2020-08-30T12:09:27+00:00</updated>
<author>
<name>Martin Hořeňovský</name>
</author>
<published>2020-08-29T18:48:32+00:00</published>
<link rel='alternate' type='text/html' href='https://git.progmasoft.com/catch3/commit/?id=a822cb9717b64b3b17047fe1ab4dc727c2ff39c4'/>
<id>a822cb9717b64b3b17047fe1ab4dc727c2ff39c4</id>
<content type='text'>
This commit also strips the old copyright comment header in touched
files, as those will also be replaced with a more standardized and
machine-friendly version.
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
This commit also strips the old copyright comment header in touched
files, as those will also be replaced with a more standardized and
machine-friendly version.
</pre>
</div>
</content>
</entry>
<entry>
<title>Fix copy paste error in 7-arg TEMPLATE_TEST_CASE_SIG implementation</title>
<updated>2020-07-22T19:18:52+00:00</updated>
<author>
<name>Martin Hořeňovský</name>
</author>
<published>2020-06-13T13:41:25+00:00</published>
<link rel='alternate' type='text/html' href='https://git.progmasoft.com/catch3/commit/?id=de53773e468d401426c8f6413a72d2279a81c09c'/>
<id>de53773e468d401426c8f6413a72d2279a81c09c</id>
<content type='text'>
Closes #1954
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Closes #1954
</pre>
</div>
</content>
</entry>
</feed>
