tests: stop using boost tests

etc/test-renumber.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+set -e
+
+bold() {
+  printf "\033[1m%s\033[0m\n" "$*"
+}
+
+re='^[0-9]+$'
+
+if [[ $# -ne 1 && $# -ne 2 ]]; then
+  bold "error expected 1 or 2 arguments, got $#!"
+  exit 1
+elif [[ ! -f $1 ]]; then 
+  bold "Error, expected a file as first argument, $1 is not a file!" 
+  exit 1
+elif  [[ $# -eq 2 && ! $2 =~ $re ]]; then
+  bold "Error, expected a positive integer as second argument, $2 is not a positive integer!" 
+  exit 1
+fi
+
+if [[ $# -eq 2 ]]; then
+  export START="$2"
+else
+  export START=0
+fi
+
+FNAME="$1" python3 - <<END
+import os, re, sys
+p1 = re.compile(r'\[\d\d\d\]')
+p2 = re.compile(r'(TEST_CASE|TEST_AGREES)')
+lines = []
+fnam = os.environ['FNAME']
+start = int(os.environ['START'])
+
+with open(fnam, 'r') as f:
+  lines = f.readlines()
+  prev1 = ''
+  prev2 = ''
+  nr = start
+  for i in range(len(lines)):
+    if p1.search(lines[i]) and (p2.search(lines[i]) or p2.search(prev1) or p2.search(prev2)):
+       lines[i] = re.sub(p1, f'[{str(nr).zfill(3)}]', lines[i])
+       nr += 1
+    prev2 = prev1
+    prev1 = lines[i]
+  print(f"{fnam}: {nr - start} tests renumbered")
+  print(f"{fnam}: next test number is {str(nr).zfill(3)}")
+
+with open(os.environ['FNAME'], 'w') as f:
+  f.writelines(lines)
+sys.exit(0)
+END

tests/CMakeLists.txt

@@ -13,34 +13,42 @@
 #                  http://www.gnu.org/licenses/                               #
 #****************************************************************************#
 
+find_package(Catch2 3 REQUIRED)
 
-message(STATUS "Building tests")
+if(NOT Catch2_FOUND)
+  message(STATUS "Cloning Catch2 from GIT_REPOSITORY https://github.com/catchorg/Catch2.git")
+  Include(FetchContent)
+
+  FetchContent_Declare(
+    Catch2
+    GIT_REPOSITORY https://github.com/catchorg/Catch2.git
+    GIT_TAG        v3.4.0 # or a later release
+  )
+
+  FetchContent_MakeAvailable(Catch2)
+else()
+  message(STATUS "Using system Catch2")
+endif()
 
-find_package (Boost COMPONENTS unit_test_framework REQUIRED)
+message(STATUS "Building tests")
 
-include_directories ( ${Boost_INCLUDE_DIRS} )
 include_directories(
   ${CMAKE_SOURCE_DIR}/include
   ${CMAKE_SOURCE_DIR}/include/fallback
   ${PROJECT_BINARY_DIR})
 
-add_definitions (-DBOOST_TEST_DYN_LINK)
-
 set(test_src
   test_epu.cpp test_perm16.cpp test_perm_all.cpp test_bmat8.cpp)
 foreach(f ${test_src})
   get_filename_component(testName ${f} NAME_WE)
-  add_executable (${testName} ${f})
-  target_link_libraries(${testName} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY} )
+  add_executable (${testName} ${f} test_main.cpp)
+  target_link_libraries(${testName} PRIVATE Catch2::Catch2WithMain)
 endforeach(f)
 
-# Test for multiple inclusions
-add_executable (test_mincl test_mincl.cpp test_mincl0.cpp test_mincl1.cpp)
-target_link_libraries(test_mincl ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY} )
+add_executable(test_all ${test_src} test_main.cpp)
+target_link_libraries(test_all PRIVATE Catch2::Catch2WithMain)
 
 add_test (TestEPU test_epu)
 add_test (TestPerm16 test_perm16)
 add_test (TestPermAll test_perm_all)
 add_test (TestBMat8 test_bmat8)
-add_test (TestMultIncl test_mincl)
-