finish "step8":exercise 1

Author: YuZhen-Yang

Step8/CMakeLists.txt

@@ -8,7 +8,7 @@ option(TUTORIAL_ENABLE_IPO "Check for and use IPO support" ON)
 
 # TODO6: Add a default-ON option named BUILD_TESTING with a doc string of:
 #          "Enable testing and build tests"
-
+option(BUILD_TESTING "Enable testing and build tests" ON)
 if(TUTORIAL_ENABLE_IPO)
   include(CheckIPOSupported)
   check_ipo_supported(RESULT result OUTPUT output)
@@ -25,5 +25,9 @@ endif()
 
 # TODO7: Conditional on the value of BUILD_TESTING, enable testing and add the
 #        Tests subdirectory to the project
+if(BUILD_TESTING)
+  enable_testing()
+  add_subdirectory(Tests)
+endif()
 
 add_subdirectory(MathFunctions)

Step8/CMakePresets.json

@@ -7,6 +7,9 @@
       "description": "Preset to use with the tutorial",
       "binaryDir": "${sourceDir}/build",
       "cacheVariables": {
+        "CMAKE_CXX_COMPILER":"g++-13",
+        "CMAKE_EXPORT_COMPILE_COMMANDS":"ON",
+
         "TUTORIAL_USE_STD_SQRT": "OFF",
         "TUTORIAL_ENABLE_IPO": "OFF"
       }

Step8/Tests/CMakeLists.txt

@@ -1,13 +1,25 @@
 # TODO1: Add an executable target for the tests
-
+add_executable(TestMath)
 # TODO2: Add the TestMathFunctions.cxx file to the test target's sources
-
+target_sources(TestMath
+    PRIVATE
+    TestMathFunctions.cxx)
 # TODO3: Add the MathFunctions library to the test target's link libraries
-
+target_link_libraries(TestMath
+    PRIVATE
+    MathFunctions)
 # TODO4: Write a function that takes a single operation name as an argument.
 #        The function will call add_test() with the operation name as the NAME
 #        of the test, and a COMMAND of the form: <TestTarget> <operation name>
-
-
+function(MathFunctionTest op)
+    add_test(
+        NAME ${op}
+        COMMAND TestMath ${op}
+    )
+endfunction(MathFunctionTest op)
 # TODO5: Call the function for all four supported operations:
 #          add, mul, sqrt, sub
+MathFunctionTest(add)
+MathFunctionTest(mul)
+MathFunctionTest(sqrt)
+MathFunctionTest(sub)