Corresponding code changes

lib/catch2/CMakeLists.txt

@@ -1,8 +1,8 @@
-# catch2 is distributed as a standalone header.
+# catch2 is distributed as a standalone header / source amalgamation.
 #
 # Downloaded from:
 #
-#      https://github.com/catchorg/Catch2/releases/download/v2.13.9/catch.hpp
+#      https://github.com/catchorg/Catch2/releases/tag/v3.6.0
 #
 # The following changes were made to always print in microseconds, fixed format:
 #
@@ -12,6 +12,7 @@
 # -        return os << duration.value() << ' ' << duration.unitsAsString();
 # +        return os << std::fixed << duration.value() << ' ' << duration.unitsAsString();
 
-add_library(catch2 INTERFACE)
+add_library(catch2 STATIC catch_amalgamated.cpp)
+target_compile_definitions(catch2 PRIVATE CATCH_CONFIG_NOSTDOUT CATCH_AMALGAMATED_CUSTOM_MAIN)
 add_library(Catch2::Catch2 ALIAS catch2)
 target_include_directories(catch2 INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}")

lib/catch2/catch_amalgamated.cpp

@@ -8952,7 +8952,7 @@ class Duration {
     Unit m_units;
 
 public:
-    explicit Duration(double inNanoseconds, Unit units = Unit::Auto)
+    explicit Duration(double inNanoseconds, Unit units = Unit::Microseconds)
         : m_inNanoseconds(inNanoseconds),
         m_units(units) {
         if (m_units == Unit::Auto) {
@@ -9002,7 +9002,7 @@ public:
 
     }
     friend auto operator << (std::ostream& os, Duration const& duration) -> std::ostream& {
-        return os << duration.value() << ' ' << duration.unitsAsString();
+        return os << std::fixed << duration.value() << ' ' << duration.unitsAsString();
     }
 };
 } // end anon namespace

src/CMakeLists.txt

@@ -474,6 +474,10 @@ if(BUILD_BENCHMARKS)
 	set(common_SRCS ${common_SRCS} ${BENCHMARK_SRCS})
 endif()
 
+if(BUILD_UNITTESTS OR BUILD_BENCHMARKS)
+	set(common_SRCS ${common_SRCS} catch.cpp)
+endif()
+
 # This gives us the icon and file version information
 if(WIN32)
 	set(WINRESOURCE_FILE "${CMAKE_CURRENT_SOURCE_DIR}/../misc/winresource.rc")

src/benchmark/benchmark.cpp

@@ -19,9 +19,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "benchmark/benchmark.h"
 
-// This must be set in just this file
-#define CATCH_CONFIG_RUNNER
-#include "benchmark_setup.h"
+#define CATCH_CONFIG_ENABLE_BENCHMARKING
+#include "catch.h"
 
 bool run_benchmarks(const char *arg)
 {

src/benchmark/benchmark_activeobjectmgr.cpp

@@ -1,7 +1,7 @@
 // Minetest
 // SPDX-License-Identifier: LGPL-2.1-or-later
 
-#include "benchmark_setup.h"
+#include "catch.h"
 #include "server/activeobjectmgr.h"
 #include "util/numeric.h"
 

src/benchmark/benchmark_lighting.cpp

@@ -17,7 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include "benchmark_setup.h"
+#include "catch.h"
 #include "voxelalgorithms.h"
 #include "dummygamedef.h"
 #include "dummymap.h"

src/benchmark/benchmark_mapblock.cpp

@@ -17,7 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include "benchmark_setup.h"
+#include "catch.h"
 #include "mapblock.h"
 #include <vector>
 

src/benchmark/benchmark_mapmodify.cpp

@@ -17,7 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include "benchmark_setup.h"
+#include "catch.h"
 #include "util/container.h"
 
 // Testing the standard library is not useful except to compare

src/benchmark/benchmark_serialize.cpp

@@ -17,7 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include "benchmark_setup.h"
+#include "catch.h"
 #include "util/serialize.h"
 #include <sstream>
 #include <ios>

src/benchmark/benchmark_setup.h

@@ -1,22 +0,0 @@
-/*
-Minetest
-Copyright (C) 2022 Minetest Authors
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public License along
-with this program; if not, write to the Free Software Foundation, Inc.,
-51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
-
-#define CATCH_CONFIG_ENABLE_BENCHMARKING
-#define CATCH_CONFIG_CONSOLE_WIDTH 160
-#include <catch.hpp>

src/catch.cpp

@@ -0,0 +1,18 @@
+// Minetest
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+#include "catch.h"
+
+#include "log.h"
+
+namespace Catch {
+	std::ostream& cout() {
+		return rawstream;
+	}
+	std::ostream& clog() {
+		return rawstream;
+	}
+	std::ostream& cerr() {
+		return rawstream;
+	}
+}

src/catch.h

@@ -0,0 +1,14 @@
+// Minetest
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+// We want to have catch write to rawstream (stderr) instead of stdout.
+// This should be included instead of <catch_amalgamated.hpp>
+// to patch the output streams accordingly.
+#define CATCH_CONFIG_NOSTDOUT
+#include <catch_amalgamated.hpp>
+
+namespace Catch {
+	std::ostream& cout();
+	std::ostream& clog();
+	std::ostream& cerr();
+}

src/unittest/test.cpp

@@ -17,10 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#define CATCH_CONFIG_RUNNER
-// we want to have catch write to rawstream (stderr) instead of stdout
-#define CATCH_CONFIG_NOSTDOUT
-#include <catch.hpp>
+#include "catch.h"
 
 #include "test.h"
 
@@ -34,18 +31,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include <iostream>
 
-// make catch write everything to rawstream
-namespace Catch {
-    std::ostream& cout() {
-        return rawstream;
-    }
-    std::ostream& clog() {
-        return rawstream;
-    }
-    std::ostream& cerr() {
-        return rawstream;
-    }
-}
+#include "catch.h"
 
 content_t t_CONTENT_STONE;
 content_t t_CONTENT_GRASS;
@@ -255,11 +241,16 @@ bool run_tests()
 	}
 
 	rawstream << "Catch test results: " << std::endl;
-	auto num_catch_tests_failed = Catch::Session().run();
-	// We count the all the Catch tests as one test for Minetest's own logging
+	Catch::Session session{};
+	auto config = session.configData();
+	config.skipBenchmarks = true;
+	config.allowZeroTests = true;
+	session.useConfigData(config);
+	auto exit_code = session.run();
+	// We count all the Catch tests as one test for Minetest's own logging
 	// because we don't have a way to tell how many individual tests Catch ran.
 	++num_total_tests_run;
-	if (num_catch_tests_failed > 0) {
+	if (exit_code != 0) {
 		++num_modules_failed;
 		++num_total_tests_failed;
 	}

src/unittest/test_clientactiveobjectmgr.cpp

@@ -21,7 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "client/activeobjectmgr.h"
 
-#include <catch.hpp>
+#include "catch.h"
 
 #include <unordered_set>
 #include <utility>