11 files changed, 286 insertions, 0 deletions
diff --git a/source/test/CMakeLists.txt b/source/test/CMakeLists.txt
new file mode 100644
index 0000000..740981e
--- /dev/null
+++ b/source/test/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(unittests)
diff --git a/source/test/integration/fetch_content/.gitignore b/source/test/integration/fetch_content/.gitignore
new file mode 100644
index 0000000..84c048a
--- /dev/null
+++ b/source/test/integration/fetch_content/.gitignore
@@ -0,0 +1 @@
+/build/
diff --git a/source/test/integration/fetch_content/CMakeLists.txt b/source/test/integration/fetch_content/CMakeLists.txt
new file mode 100644
index 0000000..efa83d0
--- /dev/null
+++ b/source/test/integration/fetch_content/CMakeLists.txt
@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 3.16)
+set(NAME kit-integration-fetch-content)
+project(${NAME} C)
+
+include(FetchContent)
+FetchContent_Declare(
+  kit
+  GIT_REPOSITORY https://github.com/automainint/kit.git
+  GIT_TAG dev)
+set(KIT_ENABLE_TESTING OFF)
+FetchContent_MakeAvailable(kit)
+
+add_executable(${NAME})
+target_sources(${NAME} PRIVATE main.c)
+target_link_libraries(${NAME} PRIVATE kit::kit)
+
+enable_testing()
+add_test(NAME ${NAME}-run COMMAND ${NAME})
+set_tests_properties(${NAME}-run PROPERTIES TIMEOUT "15")
diff --git a/source/test/integration/fetch_content/main.c b/source/test/integration/fetch_content/main.c
new file mode 100644
index 0000000..c9dc882
--- /dev/null
+++ b/source/test/integration/fetch_content/main.c
@@ -0,0 +1,5 @@
+#include <kit/async_function.h>
+
+int main() {
+  return 0;
+}
diff --git a/source/test/integration/find_package/.gitignore b/source/test/integration/find_package/.gitignore
new file mode 100644
index 0000000..0ba45dd
--- /dev/null
+++ b/source/test/integration/find_package/.gitignore
@@ -0,0 +1,2 @@
+/build/
+/install/
diff --git a/source/test/integration/find_package/CMakeLists.txt b/source/test/integration/find_package/CMakeLists.txt
new file mode 100644
index 0000000..f21cdae
--- /dev/null
+++ b/source/test/integration/find_package/CMakeLists.txt
@@ -0,0 +1,34 @@
+cmake_minimum_required(VERSION 3.16)
+set(NAME kit-integration-find-package)
+project(${NAME}-root)
+
+include(ExternalProject)
+
+ExternalProject_Add(
+  kit
+  GIT_REPOSITORY  https://github.com/automainint/kit.git
+  GIT_TAG         dev
+  CMAKE_ARGS
+  -D CMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_SOURCE_DIR}/install
+  -D KIT_ENABLE_TESTING=OFF)
+
+ExternalProject_Add(
+  ${NAME}
+  SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/source
+  CMAKE_ARGS
+  -D CMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_SOURCE_DIR}/install)
+
+ExternalProject_Add_StepDependencies(${NAME} build kit)
+
+include(GNUInstallDirs)
+
+enable_testing()
+
+add_test(
+  NAME ${NAME}-run
+  COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/install/${CMAKE_INSTALL_BINDIR}/${NAME}${CMAKE_EXECUTABLE_SUFFIX})
+
+set_tests_properties(
+  ${NAME}-run
+  PROPERTIES
+  TIMEOUT "15")
diff --git a/source/test/integration/find_package/source/CMakeLists.txt b/source/test/integration/find_package/source/CMakeLists.txt
new file mode 100644
index 0000000..2dc34a1
--- /dev/null
+++ b/source/test/integration/find_package/source/CMakeLists.txt
@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.16)
+set(NAME kit-integration-find-package)
+project(${NAME} C)
+
+find_package(kit REQUIRED)
+
+add_executable(${NAME})
+target_sources(${NAME} PRIVATE main.c)
+target_link_libraries(${NAME} PRIVATE kit::kit)
+install(TARGETS ${NAME} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
diff --git a/source/test/integration/find_package/source/main.c b/source/test/integration/find_package/source/main.c
new file mode 100644
index 0000000..c9dc882
--- /dev/null
+++ b/source/test/integration/find_package/source/main.c
@@ -0,0 +1,5 @@
+#include <kit/async_function.h>
+
+int main() {
+  return 0;
+}
diff --git a/source/test/unittests/CMakeLists.txt b/source/test/unittests/CMakeLists.txt
new file mode 100644
index 0000000..d5cc573
--- /dev/null
+++ b/source/test/unittests/CMakeLists.txt
@@ -0,0 +1,4 @@
+target_sources(
+  ${KIT_TEST_SUITE}
+    PRIVATE
+      async_function.test.c main.test.c)
diff --git a/source/test/unittests/async_function.test.c b/source/test/unittests/async_function.test.c
new file mode 100644
index 0000000..1f50445
--- /dev/null
+++ b/source/test/unittests/async_function.test.c
@@ -0,0 +1,200 @@
+#include "../../kit/async_function.h"
+
+#define KIT_TEST_FILE async_function_test
+#include "../../kit_test/test.h"
+
+CORO(int, test_foo) {
+  AF_RETURN(42);
+}
+CORO_END
+
+CORO(int, test_bar) {
+  AF_YIELD_VOID;
+  AF_RETURN(42);
+}
+CORO_END
+
+CORO(int, test_gen, int i; int min; int max;) {
+  for (af i = af min; af i < af max; af i++) AF_YIELD(af i);
+  AF_RETURN(af max);
+}
+CORO_END
+
+CORO_VOID(test_task) {
+  AF_YIELD_VOID;
+  AF_YIELD_VOID;
+  AF_RETURN_VOID;
+}
+CORO_END
+
+CORO_VOID(test_nest_task, AF_TYPE(test_task) promise;) {
+  AF_INIT(af promise, test_task);
+  AF_AWAIT(af promise);
+  AF_AWAIT(af promise);
+  AF_AWAIT(af promise);
+}
+CORO_END
+
+CORO(int, test_nest_generator, AF_TYPE(test_gen) promise;) {
+  AF_INIT(af promise, test_gen, .min = 1, .max = 3);
+  AF_YIELD_AWAIT(af promise);
+}
+CORO_END
+
+CORO(int, test_join_multiple, AF_TYPE(test_bar) promises[3];) {
+  for (int i = 0; i < 3; i++)
+    AF_INIT(af promises[i], test_bar, .return_value = 0);
+  AF_RESUME_AND_JOIN_ALL(af promises);
+  AF_RETURN(af promises[0].return_value +
+            af promises[1].return_value +
+            af promises[2].return_value);
+}
+CORO_END
+
+CORO(int, test_await_multiple, AF_TYPE(test_bar) promises[3];) {
+  for (int i = 0; i < 3; i++)
+    AF_INIT(af promises[i], test_bar, .return_value = 0);
+  AF_AWAIT_ALL(af promises);
+  AF_RETURN(af promises[0].return_value +
+            af promises[1].return_value +
+            af promises[2].return_value);
+}
+CORO_END
+
+void test_execute_lazy(void *_, void *coro, int request) {
+  if (request == af_request_resume)
+    return;
+  AF_EXECUTE(coro);
+}
+
+void test_execute_immediate(void *_, void *coro, int request) {
+  if (request == af_request_join)
+    return;
+  AF_EXECUTE(coro);
+}
+
+TEST("coroutine create") {
+  AF_CREATE(promise, test_foo);
+  REQUIRE(!AF_FINISHED(promise));
+}
+
+TEST("coroutine init") {
+  AF_TYPE(test_foo) promise;
+  AF_INIT(promise, test_foo);
+  REQUIRE(!AF_FINISHED(promise));
+}
+
+TEST("coroutine init with value") {
+  AF_TYPE(test_foo) promise;
+  AF_INIT(promise, test_foo, .return_value = 42);
+  REQUIRE(promise.return_value == 42);
+  REQUIRE(!AF_FINISHED(promise));
+}
+
+TEST("coroutine resume") {
+  AF_CREATE(promise, test_foo, .return_value = -1);
+  AF_RESUME(promise);
+  REQUIRE(promise.return_value == -1);
+  REQUIRE(!AF_FINISHED(promise));
+}
+
+TEST("coroutine resume and join") {
+  AF_CREATE(promise, test_foo);
+  REQUIRE(AF_RESUME_AND_JOIN(promise) == 42);
+  REQUIRE(AF_FINISHED(promise));
+}
+
+TEST("coroutine resume and join manually") {
+  AF_CREATE(promise, test_foo);
+  AF_RESUME(promise);
+  REQUIRE(AF_JOIN(promise) == 42);
+  REQUIRE(AF_FINISHED(promise));
+}
+
+TEST("coroutine suspend") {
+  AF_CREATE(promise, test_bar, .return_value = 0);
+  REQUIRE(AF_RESUME_AND_JOIN(promise) == 0);
+  REQUIRE(AF_RESUME_AND_JOIN(promise) == 42);
+}
+
+TEST("coroutine generator") {
+  AF_CREATE(promise, test_gen, .min = 10, .max = 15);
+  for (int i = 0; i <= 5; i++)
+    REQUIRE(AF_RESUME_AND_JOIN(promise) == 10 + i);
+}
+
+TEST("coroutine status finished") {
+  AF_CREATE(promise, test_bar);
+  REQUIRE(!AF_FINISHED(promise));
+  AF_RESUME_AND_JOIN(promise);
+  REQUIRE(!AF_FINISHED(promise));
+  AF_RESUME_AND_JOIN(promise);
+  REQUIRE(AF_FINISHED(promise));
+}
+
+TEST("coroutine task") {
+  AF_CREATE(promise, test_task);
+  AF_RESUME_AND_JOIN(promise);
+  REQUIRE(!AF_FINISHED(promise));
+  AF_RESUME_AND_JOIN(promise);
+  REQUIRE(!AF_FINISHED(promise));
+  AF_RESUME_AND_JOIN(promise);
+  REQUIRE(AF_FINISHED(promise));
+}
+
+TEST("coroutine nested task") {
+  AF_CREATE(promise, test_nest_task);
+  AF_RESUME_AND_JOIN(promise);
+  REQUIRE(!AF_FINISHED(promise));
+  AF_RESUME_AND_JOIN(promise);
+  REQUIRE(!AF_FINISHED(promise));
+  AF_RESUME_AND_JOIN(promise);
+  REQUIRE(AF_FINISHED(promise));
+}
+
+TEST("coroutine nested generator") {
+  AF_CREATE(promise, test_nest_generator);
+  REQUIRE(AF_RESUME_AND_JOIN(promise) == 1);
+  REQUIRE(AF_RESUME_AND_JOIN(promise) == 2);
+  REQUIRE(AF_RESUME_AND_JOIN(promise) == 3);
+  REQUIRE(!AF_FINISHED(promise));
+  AF_RESUME_AND_JOIN(promise);
+  REQUIRE(AF_FINISHED(promise));
+}
+
+TEST("coroutine join multiple") {
+  AF_CREATE(promise, test_join_multiple);
+  REQUIRE(AF_RESUME_AND_JOIN(promise) == 0);
+  REQUIRE(AF_FINISHED(promise));
+}
+
+TEST("coroutine await multiple") {
+  AF_CREATE(promise, test_await_multiple);
+  REQUIRE(AF_RESUME_AND_JOIN(promise) == 0);
+  REQUIRE(AF_RESUME_AND_JOIN(promise) == 42 * 3);
+  REQUIRE(AF_FINISHED(promise));
+}
+
+TEST("coroutine custom execution context lazy") {
+  AF_CREATE(promise, test_foo, .return_value = 0);
+  AF_EXECUTION_CONTEXT(promise, .state = NULL,
+                       .execute = test_execute_lazy);
+  AF_RESUME(promise);
+  REQUIRE(promise.return_value == 0);
+  REQUIRE(!AF_FINISHED(promise));
+  AF_JOIN(promise);
+  REQUIRE(promise.return_value == 42);
+  REQUIRE(AF_FINISHED(promise));
+}
+
+TEST("coroutine custom execution context immediate") {
+  AF_CREATE(promise, test_foo, .return_value = 0);
+  AF_EXECUTION_CONTEXT(promise, .state = NULL,
+                       .execute = test_execute_immediate);
+  AF_RESUME(promise);
+  REQUIRE(promise.return_value == 42);
+  REQUIRE(AF_FINISHED(promise));
+  AF_JOIN(promise);
+  REQUIRE(promise.return_value == 42);
+  REQUIRE(AF_FINISHED(promise));
+}
diff --git a/source/test/unittests/main.test.c b/source/test/unittests/main.test.c
new file mode 100644
index 0000000..b072c67
--- /dev/null
+++ b/source/test/unittests/main.test.c
@@ -0,0 +1,5 @@
+#include "../../kit_test/test.h"
+
+int main(int argc, char **argv) {
+  return kit_run_tests(argc, argv);
+}