Merge topic 'findiconv-module'

95646591 FindIconv: Add the FindIconv module.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1530

4 files changed, 80 insertions, 0 deletions

diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 4a7b8c9..a61864f 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -1433,6 +1433,10 @@ ${CMake_BINARY_DIR}/bin/cmake -DDIR=dev -P ${CMake_SOURCE_DIR}/Utilities/Release
     add_subdirectory(GoogleTest)
   endif()
 
+  if(CMake_TEST_FindIconv)
+    add_subdirectory(FindIconv)
+  endif()
+
   if(CMake_TEST_FindICU)
     add_subdirectory(FindICU)
   endif()
diff --git a/Tests/FindIconv/CMakeLists.txt b/Tests/FindIconv/CMakeLists.txt
new file mode 100644
index 0000000..b205b80
--- /dev/null
+++ b/Tests/FindIconv/CMakeLists.txt
@@ -0,0 +1,10 @@
+add_test(NAME FindIconv.Test COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindIconv/Test"
+  "${CMake_BINARY_DIR}/Tests/FindIconv/Test"
+  ${build_generator_args}
+  --build-project TestFindIconv
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
diff --git a/Tests/FindIconv/Test/CMakeLists.txt b/Tests/FindIconv/Test/CMakeLists.txt
new file mode 100644
index 0000000..c59adb3
--- /dev/null
+++ b/Tests/FindIconv/Test/CMakeLists.txt
@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.10)
+project(TestFindIconv CXX)
+include(CTest)
+
+find_package(Iconv REQUIRED)
+
+add_executable(test_iconv_tgt main.cxx)
+target_link_libraries(test_iconv_tgt Iconv::Iconv)
+add_test(NAME test_iconv_tgt COMMAND test_iconv_tgt)
+
+add_executable(test_iconv_var main.cxx)
+target_include_directories(test_iconv_var PRIVATE ${Iconv_INCLUDE_DIRS})
+target_link_libraries(test_iconv_var PRIVATE ${Iconv_LIBRARIES})
+add_test(NAME test_iconv_var COMMAND test_iconv_var)
diff --git a/Tests/FindIconv/Test/main.cxx b/Tests/FindIconv/Test/main.cxx
new file mode 100644
index 0000000..415ee37
--- /dev/null
+++ b/Tests/FindIconv/Test/main.cxx
@@ -0,0 +1,52 @@
+extern "C" {
+#include <iconv.h>
+}
+#include <array>
+#include <cstddef>
+#include <cstdlib>
+#include <iostream>
+#include <string>
+#include <system_error>
+
+class iconv_desc
+{
+private:
+  iconv_t iconvd_;
+
+public:
+  iconv_desc(const std::string& tocode, const std::string& fromcode)
+  {
+    iconvd_ = iconv_open(tocode.c_str(), fromcode.c_str());
+    if (iconvd_ == reinterpret_cast<iconv_t>(-1))
+      throw std::system_error(errno, std::system_category());
+  }
+
+  ~iconv_desc() { iconv_close(iconvd_); }
+
+  operator iconv_t() { return this->iconvd_; }
+};
+
+int main()
+{
+  try {
+    auto conv_d = iconv_desc{ "ISO-8859-1", "UTF-8" };
+    auto from_str = std::array<char, 10>{ u8"a\xC3\xA4o\xC3\xB6u\xC3\xBC" };
+    auto to_str = std::array<char, 7>{};
+
+    auto from_str_ptr = from_str.data();
+    auto from_len = from_str.size();
+    auto to_str_ptr = to_str.data();
+    auto to_len = to_str.size();
+    const auto iconv_ret =
+      iconv(conv_d, &from_str_ptr, &from_len, &to_str_ptr, &to_len);
+    if (iconv_ret == static_cast<std::size_t>(-1))
+      throw std::system_error(errno, std::system_category());
+    std::cout << '\'' << from_str.data() << "\' converted to \'"
+              << to_str.data() << '\'' << std::endl;
+    return EXIT_SUCCESS;
+  } catch (const std::system_error& ex) {
+    std::cerr << "ERROR: " << ex.code() << '\n'
+              << ex.code().message() << std::endl;
+  }
+  return EXIT_FAILURE;
+}