restore installation test

Author: dietmarkuehl

examples/intro-2-hello-async.cpp

@@ -24,11 +24,11 @@ int main() {
          ex::when_all(
              timer.run(),
              ex::when_all(
-                 timer.resume_after(3s)
+                 timer.resume_after(30ms)
                      | ex::then([] { std::cout << "h\n"; return std::string("hello"); }),
-                 timer.resume_after(1s)
+                 timer.resume_after(10ms)
                      | ex::then([] { std::cout << ",\n"; return std::string(", "); }),
-                 timer.resume_after(2s)
+                 timer.resume_after(20ms)
                      | ex::then([] { std::cout << "w\n"; return std::string("world"); })
              ) | ex::then([](auto const& s1, auto const& s2, auto const& s3) { return s1 + s2 + s3; })
          )

examples/intro-timer.hpp

@@ -123,8 +123,8 @@ struct intro::timer {
 
     auto run() { return run_sender{this}; }
 
-    template <typename T>
-    auto resume_after(std::chrono::duration<T> d) {
+    template <typename T, typename P>
+    auto resume_after(std::chrono::duration<T, P> d) {
         auto ms(std::chrono::duration_cast<std::chrono::milliseconds>(d));
         return sender{this, ms};
     }

tests/beman/execution/CMakeLists.txt

@@ -100,3 +100,26 @@ foreach(test ${execution_tests})
   target_link_libraries(${TEST_EXE} PRIVATE beman::execution)
   add_test(NAME ${TEST_EXE} COMMAND $<TARGET_FILE:${TEST_EXE}>)
 endforeach()
+
+if(NOT PROJECT_IS_TOP_LEVEL AND BEMAN_EXECUTION_ENABLE_TESTING)
+  # test if the targets are findable from the build directory
+  # cmake-format: off
+  add_test(NAME find-package-test
+    COMMAND ${CMAKE_CTEST_COMMAND}
+      # --verbose
+      --output-on-failure
+      -C $<CONFIG>
+      --build-and-test
+          "${CMAKE_CURRENT_SOURCE_DIR}"
+          "${CMAKE_CURRENT_BINARY_DIR}/find-package-test"
+      --build-generator ${CMAKE_GENERATOR}
+      --build-makeprogram ${CMAKE_MAKE_PROGRAM}
+      --build-options
+          "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
+          "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
+          "-DCMAKE_BUILD_TYPE=$<CONFIG>"
+          "-DCMAKE_PREFIX_PATH=${CMAKE_PREFIX_PATH}"
+          # TODO(CK): Needed too? "--config $<CONFIG>"
+  )
+  # cmake-format: on
+endif()