AnthoniG · March 11, 2024 15:04 · Aug 31, 2022 · Aug 30, 2022 · Aug 30, 2022 · Aug 30, 2022
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -17,7 +17,7 @@ option( ENABLE_TESTING "Build unit tests" ON )
 message( "=====> ENABLE_TESTING: ${ENABLE_TESTING}." )
 
 # Tests inside a static library - https://github.com/doctest/doctest/issues/21
-# Split common .cpp files into a static lib to not compile they twice,
+# Split common .cpp files into a static lib to not compile them twice,
 # one for the main and another for the main_tests target.
 ADD_LIBRARY( mainstatic OBJECT
     "source/code_with_tests.cpp"

diff --git a/README.md b/README.md
@@ -26,7 +26,7 @@ make test -C ./build/debug ARGS='--verbose'
 cmake --build ./build/debug --target test -- ARGS="--verbose"
 ```
 
-Explicitly calling conan for build (CMakeLists.txt call already calls it if it was not called one):
+Explicitly calling conan for build (CMakeLists.txt call already calls it if it was not called once):
 ```bash
 # for Linux/macOS
 conan install . --install-folder build/debug --build=missing -pr:b default -s build_type=Debug

diff --git a/README.md b/README.md
@@ -20,6 +20,7 @@ Running things:
 ./build/debug/main_tests
 ./build/debug/main_tests -tc="01*"
 ./build/debug/main_tests -tc="01*" -sc="01*"
+./build/debug/main_tests -tc="01*" -sc="01*" -s
 (cd ./build/debug && ctest --verbose)
 make test -C ./build/debug ARGS='--verbose'
 cmake --build ./build/debug --target test -- ARGS="--verbose"

diff --git a/README.md b/README.md
@@ -20,9 +20,9 @@ Running things:
 ./build/debug/main_tests
 ./build/debug/main_tests -tc="01*"
 ./build/debug/main_tests -tc="01*" -sc="01*"
-(cd ./build/debug && ctest)
-make test -C ./build/debug
-cmake --build ./build/debug --target test'
+(cd ./build/debug && ctest --verbose)
+make test -C ./build/debug ARGS='--verbose'
+cmake --build ./build/debug --target test -- ARGS="--verbose"
 ```
 
 Explicitly calling conan for build (CMakeLists.txt call already calls it if it was not called one):

diff --git a/README.md b/README.md
@@ -16,8 +16,13 @@ cmake --build build/debug --config Debug
 
 Running things:
 ```bash
-./build/main
-./build/main_tests
+./build/debug/main
+./build/debug/main_tests
+./build/debug/main_tests -tc="01*"
+./build/debug/main_tests -tc="01*" -sc="01*"
+(cd ./build/debug && ctest)
+make test -C ./build/debug
+cmake --build ./build/debug --target test'
 ```
 
 Explicitly calling conan for build (CMakeLists.txt call already calls it if it was not called one):

diff --git a/code_with_tests.cpp b/code_with_tests.cpp
@@ -8,11 +8,11 @@ TEST_CASE("01. Square function")
 {
     int inputValue;
     int readExpected;
-    SUBCASE("01") {
+    SUBCASE("01.") {
         inputValue = 10;
         readExpected = 100;
     }
-    SUBCASE("02") {
+    SUBCASE("02.") {
         inputValue = 9;
         readExpected = 81;
     }

diff --git a/main_tests.cpp b/main_tests.cpp
@@ -4,7 +4,7 @@
 #define DOCTEST_CONFIG_IMPLEMENT
 #include <doctest/doctest.h>
 
-// Chamar no terminal ./main -tc="01*" para executar somente o primeiro teste
+// Call ./main_test -tc="01*" -sc="01*" in a terminal to only run the firts test and first subcase
 // https://github.com/doctest/doctest/blob/master/doc/markdown/main.md
 int main(int argc, char** argv)
 {

diff --git a/build-example.sh b/build-example.sh
@@ -5,7 +5,7 @@ Configuration (profile_host):
 [settings]
 arch=x86_64
 arch_build=x86_64
-build_type=Release
+build_type=Debug
 compiler=gcc
 compiler.libcxx=libstdc++
 compiler.version=9

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -5,7 +5,7 @@ if(NOT EXISTS "${CMAKE_BINARY_DIR}/conan_toolchain.cmake")
    execute_process(
        WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
        RESULT_VARIABLE EXECUTE_PROCESS_RETURN_VALUE
-       COMMAND conan install conanfile.txt -if "${CMAKE_BINARY_DIR}" --build missing -pr:b default
+       COMMAND conan install conanfile.txt -if "${CMAKE_BINARY_DIR}" --build missing -pr:b default -s build_type=${CMAKE_BUILD_TYPE}
    )
 endif()
 

diff --git a/README.md b/README.md
@@ -23,12 +23,12 @@ Running things:
 Explicitly calling conan for build (CMakeLists.txt call already calls it if it was not called one):
 ```bash
 # for Linux/macOS
-conan install . --install-folder build/debug --build=missing -pr:b default
+conan install . --install-folder build/debug --build=missing -pr:b default -s build_type=Debug
 cmake -S . -B build -DCMAKE_TOOLCHAIN_FILE=build/debug/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
 cmake --build build
 
 # for Windows and Visual Studio 2017
-conan install . --output-folder build/debug --build=missing -pr:b default
+conan install . --output-folder build/debug --build=missing -pr:b default -s build_type=Debug
 cmake -S . -B build/debug -G "Visual Studio 15 2017" -DCMAKE_TOOLCHAIN_FILE=build/debug/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
 cmake --build build/debug --config Debug
 ```
diff --git a/build-example.sh b/build-example.sh
@@ -0,0 +1,87 @@
+
+user@pc:(main)~/test$ cmake -S . -B build/debug -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
+Conan not setup, running conan build...
+Configuration (profile_host):
+[settings]
+arch=x86_64
+arch_build=x86_64
+build_type=Release
+compiler=gcc
+compiler.libcxx=libstdc++
+compiler.version=9
+os=Linux
+os_build=Linux
+[options]
+[build_requires]
+[env]
+
+Configuration (profile_build):
+[settings]
+arch=x86_64
+arch_build=x86_64
+build_type=Release
+compiler=gcc
+compiler.libcxx=libstdc++
+compiler.version=9
+os=Linux
+os_build=Linux
+[options]
+[build_requires]
+[env]
+
+conanfile.txt: Installing package
+Requirements
+    doctest/2.4.8 from 'conancenter' - Cache
+Packages
+    doctest/2.4.8:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
+
+Installing (downloading, building) binaries...
+doctest/2.4.8: Already installed!
+conanfile.txt: Generator 'CMakeDeps' calling 'generate()'
+conanfile.txt: Generator 'CMakeToolchain' calling 'generate()'
+conanfile.txt: Generator txt created conanbuildinfo.txt
+conanfile.txt: Aggregating env generators
+conanfile.txt: Generated conaninfo.txt
+conanfile.txt: Generated graphinfo
+Using Conan toolchain through /root/test/build/debug/conan_toolchain.cmake.
+-- The CXX compiler identification is GNU 9.3.0
+-- Check for working CXX compiler: /usr/bin/c++
+Using Conan toolchain through .
+-- Check for working CXX compiler: /usr/bin/c++ -- works
+-- Detecting CXX compiler ABI info
+Using Conan toolchain through .
+-- Detecting CXX compiler ABI info - done
+-- Detecting CXX compile features
+-- Detecting CXX compile features - done
+-- Conan: Target declared 'doctest::doctest'
+-- Conan: Including build module from '/root/.conan/data/doctest/2.4.8/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/lib/cmake/doctest.cmake'
+=====> ENABLE_TESTING: ON.
+-- Configuring done
+-- Generating done
+-- Build files have been written to: /root/test/build/debug
+
+user@pc:(main)~/test$ cmake --build build/debug
+Scanning dependencies of target mainstatic
+[ 20%] Building CXX object CMakeFiles/mainstatic.dir/source/code_with_tests.cpp.o
+[ 20%] Built target mainstatic
+Scanning dependencies of target main_tests
+[ 40%] Building CXX object CMakeFiles/main_tests.dir/source/main_tests.cpp.o
+[ 60%] Linking CXX executable main_tests
+[ 60%] Built target main_tests
+Scanning dependencies of target main
+[ 80%] Building CXX object CMakeFiles/main.dir/source/main.cpp.o
+[100%] Linking CXX executable main
+[100%] Built target main
+
+user@pc:(main)~/test$ ./build/debug/main
+The root of 9 is 81.
+
+user@pc:(main)~/test$ ./build/debug/main_tests
+[doctest] doctest version is "2.4.8"
+[doctest] run with "--help" for options
+===============================================================================
+[doctest] test cases: 1 | 1 passed | 0 failed | 0 skipped
+[doctest] assertions: 2 | 2 passed | 0 failed |
+[doctest] Status: SUCCESS!
+
+user@pc:(main)~/test$ 
diff --git a/main.cpp b/main.cpp
@@ -6,6 +6,6 @@
 
 int main(int argc, char const *argv[]) {
     int input = 9;
-    fprintf(stderr, "The root of %d is %d.\n", input, root(9));
+    fprintf(stderr, "The root of %d is %d.\n", input, root(input));
     return 0;
 }
diff --git a/README.md b/README.md
@@ -24,11 +24,11 @@ Explicitly calling conan for build (CMakeLists.txt call already calls it if it w
 ```bash
 # for Linux/macOS
 conan install . --install-folder build/debug --build=missing -pr:b default
-cmake -S . -B build -DCMAKE_TOOLCHAIN_FILE=build/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
+cmake -S . -B build -DCMAKE_TOOLCHAIN_FILE=build/debug/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
 cmake --build build
 
 # for Windows and Visual Studio 2017
 conan install . --output-folder build/debug --build=missing -pr:b default
-cmake -S . -B build/debug -G "Visual Studio 15 2017" -DCMAKE_TOOLCHAIN_FILE=build/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
+cmake -S . -B build/debug -G "Visual Studio 15 2017" -DCMAKE_TOOLCHAIN_FILE=build/debug/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
 cmake --build build/debug --config Debug
 ```
diff --git a/README.md b/README.md
@@ -2,14 +2,16 @@
 
 Using conan package for doctest: https://conan.io/center/doctest?tab=useit
 
+Create the `*.cpp` files inside a `source` directory as specified by `CMakeLists.txt`.
+
 ```bash
 # for Linux/macOS
-cmake -S . -B build -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
-cmake --build build
+cmake -S . -B build/debug -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
+cmake --build build/debug
 
 # for Windows and Visual Studio 2017
-cmake . -G "Visual Studio 15 2017" -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
-cmake --build build --config Debug
+cmake -S . -B build/debug -G "Visual Studio 15 2017" -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
+cmake --build build/debug --config Debug
 ```
 
 Running things:
@@ -21,12 +23,12 @@ Running things:
 Explicitly calling conan for build (CMakeLists.txt call already calls it if it was not called one):
 ```bash
 # for Linux/macOS
-conan install . --install-folder build --build=missing -pr:b default
+conan install . --install-folder build/debug --build=missing -pr:b default
 cmake -S . -B build -DCMAKE_TOOLCHAIN_FILE=build/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
 cmake --build build
 
 # for Windows and Visual Studio 2017
-conan install . --output-folder build --build=missing -pr:b default
-cmake . -G "Visual Studio 15 2017" -DCMAKE_TOOLCHAIN_FILE=build/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
-cmake --build build --config Debug
+conan install . --output-folder build/debug --build=missing -pr:b default
+cmake -S . -B build/debug -G "Visual Studio 15 2017" -DCMAKE_TOOLCHAIN_FILE=build/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
+cmake --build build/debug --config Debug
 ```
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -0,0 +1,59 @@
+cmake_minimum_required( VERSION 3.15 )
+
+if(NOT EXISTS "${CMAKE_BINARY_DIR}/conan_toolchain.cmake")
+   message("Conan not setup, running conan build...")
+   execute_process(
+       WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+       RESULT_VARIABLE EXECUTE_PROCESS_RETURN_VALUE
+       COMMAND conan install conanfile.txt -if "${CMAKE_BINARY_DIR}" --build missing -pr:b default
+   )
+endif()
+
+set( CMAKE_TOOLCHAIN_FILE "${CMAKE_BINARY_DIR}/conan_toolchain.cmake" )
+project( doctest_project CXX )
+find_package( doctest )
+
+option( ENABLE_TESTING "Build unit tests" ON )
+message( "=====> ENABLE_TESTING: ${ENABLE_TESTING}." )
+
+# Tests inside a static library - https://github.com/doctest/doctest/issues/21
+# Split common .cpp files into a static lib to not compile they twice,
+# one for the main and another for the main_tests target.
+ADD_LIBRARY( mainstatic OBJECT
+    "source/code_with_tests.cpp"
+)
+target_link_libraries( mainstatic PUBLIC
+    doctest::doctest
+)
+target_include_directories( mainstatic PUBLIC
+    "source"
+)
+
+add_executable( main
+    "source/main.cpp"
+)
+target_include_directories( main PUBLIC
+    "source"
+)
+target_link_libraries( main PUBLIC
+    mainstatic
+    doctest::doctest
+)
+
+if(ENABLE_TESTING)
+    enable_testing()
+    add_executable( main_tests
+        "source/main_tests.cpp"
+    )
+    add_test( NAME main_tests COMMAND main_tests)
+
+    target_include_directories( main_tests PUBLIC
+        "source"
+    )
+    target_link_libraries( main_tests PUBLIC
+        mainstatic
+        doctest::doctest
+    )
+else()
+    add_definitions( "-DDOCTEST_CONFIG_DISABLE" )
+endif()
diff --git a/code_with_tests.cpp b/code_with_tests.cpp
@@ -0,0 +1,20 @@
+#include "code_with_tests.hpp"
+
+int root(int number) {
+    return number * number;
+}
+
+TEST_CASE("01. Square function")
+{
+    int inputValue;
+    int readExpected;
+    SUBCASE("01") {
+        inputValue = 10;
+        readExpected = 100;
+    }
+    SUBCASE("02") {
+        inputValue = 9;
+        readExpected = 81;
+    }
+    CHECK( root(inputValue) == readExpected );
+}
diff --git a/code_with_tests.hpp b/code_with_tests.hpp
@@ -0,0 +1,3 @@
+#include <doctest/doctest.h>
+
+int root(int number);
diff --git a/conanfile.txt b/conanfile.txt
@@ -0,0 +1,6 @@
+[requires]
+doctest/2.4.8
+
+[generators]
+CMakeDeps
+CMakeToolchain
diff --git a/main.cpp b/main.cpp
@@ -0,0 +1,11 @@
+#define DOCTEST_CONFIG_IMPLEMENT
+#include <doctest/doctest.h>
+
+#include <cstdio>
+#include "code_with_tests.hpp"
+
+int main(int argc, char const *argv[]) {
+    int input = 9;
+    fprintf(stderr, "The root of %d is %d.\n", input, root(9));
+    return 0;
+}
diff --git a/main_tests.cpp b/main_tests.cpp
@@ -0,0 +1,22 @@
+// Do not compile the main class object with the tests to speed up compilation!
+// https://github.com/doctest/doctest/issues/53#issuecomment-315173323
+// #define DOCTEST_CONFIG_NO_POSIX_SIGNALS  // catch segfault on gdb
+#define DOCTEST_CONFIG_IMPLEMENT
+#include <doctest/doctest.h>
+
+// Chamar no terminal ./main -tc="01*" para executar somente o primeiro teste
+// https://github.com/doctest/doctest/blob/master/doc/markdown/main.md
+int main(int argc, char** argv)
+{
+    doctest::Context context;
+    context.applyCommandLine(argc, argv);
+
+    int res = context.run();
+    // some teardown?
+
+    if(context.shouldExit()) {
+        return res;
+    }
+    // the application code if the tests were not run
+    return res;
+}
diff --git a/README.md b/README.md
@@ -0,0 +1,32 @@
+# C++ code example for tests and code together
+
+Using conan package for doctest: https://conan.io/center/doctest?tab=useit
+
+```bash
+# for Linux/macOS
+cmake -S . -B build -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
+cmake --build build
+
+# for Windows and Visual Studio 2017
+cmake . -G "Visual Studio 15 2017" -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
+cmake --build build --config Debug
+```
+
+Running things:
+```bash
+./build/main
+./build/main_tests
+```
+
+Explicitly calling conan for build (CMakeLists.txt call already calls it if it was not called one):
+```bash
+# for Linux/macOS
+conan install . --install-folder build --build=missing -pr:b default
+cmake -S . -B build -DCMAKE_TOOLCHAIN_FILE=build/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
+cmake --build build
+
+# for Windows and Visual Studio 2017
+conan install . --output-folder build --build=missing -pr:b default
+cmake . -G "Visual Studio 15 2017" -DCMAKE_TOOLCHAIN_FILE=build/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Debug  # -DENABLE_TESTING=OFF
+cmake --build build --config Debug
+```
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		#include <doctest/doctest.h>

		int root(int number);
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