feat: add testing

04-cross-compie/README.md

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+# 第四章：交叉编译
+
+## 编译宏
+- 在cmake时通过-DVIP=ABCDEDF传入对应的值
+```
+target_compile_definitions(main
+    INTERFACE
+    VIP="${VIP}"
+)
+```
+## 编译参数
+```
+target_compile_features()
+```

05-testing/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.16)
+project(main)
+set(CMAKE_CXX_STANDARD 17)
+include(CTest)
+enable_testing()
+add_subdirectory(src)
+
+if(BUILD_TESTING)
+    add_subdirectory(test)
+endif()

05-testing/README.md

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+# 单元测试
+```
+include(CTest)
+enable_testing()
+add_test()
+```
+## 编译运行
+```
+ctest --test-dir build
+# 或者只测试cs开头的数据
+ctest --test-dir build -R "^cs." 
+```
+## 宏macro
+- ${ARGN}是所有传入的可变参数
+```cmake
+macro(my_add_test TEST_NAME)
+    add_executable(${TEST_NAME} ${ARGN}) 
+    add_test(NAME cs.${TEST_NAME} COMMAND ${TEST_NAME})
+    target_link_libraries(${TEST_NAME} PRIVATE gtest gtest_main)
+endmacro()
+```
+
+## 函数function
+```cmake
+function(add_thirdparty)
+    cmake_parse_arguments(DORIS_THIRDPARTY
+        "NOTADD;LIB64"
+        "LIBNAME;WHOLELIBPATH"
+        ""
+        ${ARGN})
+    set(DORIS_THIRDPARTY_NAME ${DORIS_THIRDPARTY_UNPARSED_ARGUMENTS})
+    add_library(${DORIS_THIRDPARTY_NAME} STATIC IMPORTED)
+endfunction()
+```

05-testing/src/CMakeLists.txt

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+add_executable(main main.cpp)

05-testing/src/main.cpp

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+#include <iostream>
+
+int main() {
+
+    std::cout<<"hello world!"<<std::endl;
+
+    return 0;
+}

05-testing/test/CMakeLists.txt

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+ # google test
+ include(FetchContent)
+ FetchContent_Declare(
+         googletest
+         GIT_REPOSITORY https://github.com/google/googletest.git
+         GIT_TAG v1.14.0
+ )
+ FetchContent_MakeAvailable(googletest)
+
+macro(my_add_test TEST_NAME)
+    add_executable(${TEST_NAME} ${ARGN}) 
+    add_test(NAME cs.${TEST_NAME} COMMAND ${TEST_NAME})
+    target_link_libraries(${TEST_NAME} PRIVATE gtest gtest_main)
+endmacro()
+
+my_add_test(test01 gtest_test.cpp)
+add_executable(test02 gtest_test2.cpp)
+target_link_libraries(test02 PRIVATE gtest gtest_main)
+add_test(NAME ee.test02 COMMAND test02)

05-testing/test/gtest_test.cpp

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+#include "gtest/gtest.h"
+
+
+int add(int a, int b) {
+    return a + b;
+}
+
+TEST(AddFunctionTest, PositiveNumbers) {
+    EXPECT_EQ(add(2, 3), 5);
+    EXPECT_EQ(add(0, 0), 0);
+    EXPECT_EQ(add(-1, 1), 0);
+}
+
+

05-testing/test/gtest_test2.cpp

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+#include "gtest/gtest.h"
+
+
+int add(int a, int b) {
+    return a + b;
+}
+
+TEST(AddFunctionTest, PositiveNumbers) {
+    EXPECT_EQ(add(2, 3), 5);
+    EXPECT_EQ(add(0, 0), 0);
+    EXPECT_EQ(add(-1, 1), 0);
+}
+
+