Test cmd_execute with negative exit code

CMakeLists.txt

@@ -177,6 +177,7 @@ file(GLOB VCPKG_TEST_INCLUDES CONFIGURE_DEPENDS "include/vcpkg-test/*.h")
 
 set(VCPKG_FUZZ_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/vcpkg-fuzz/main.cpp")
 set(TLS12_DOWNLOAD_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/tls12-download.c")
+set(CLOSES_EXIT_MINUS_ONE_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/closes-exit-minus-one.c")
 set(CLOSES_STDIN_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/closes-stdin.c")
 set(CLOSES_STDOUT_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/closes-stdout.c")
 set(READS_STDIN_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/reads-stdin.c")
@@ -500,7 +501,7 @@ if (BUILD_TESTING)
         target_link_libraries(vcpkg-test PRIVATE log)
     endif()
 
-    add_dependencies(vcpkg-test reads-stdin closes-stdin closes-stdout test-editor)
+    add_dependencies(vcpkg-test reads-stdin closes-exit-minus-one closes-stdin closes-stdout test-editor)
 
     if(CMAKE_VERSION GREATER_EQUAL "3.16")
         target_precompile_headers(vcpkg-test REUSE_FROM vcpkglib)
@@ -534,6 +535,11 @@ if(VCPKG_BUILD_TLS12_DOWNLOADER)
 endif()
 
 if (BUILD_TESTING)
+# === Target: closes-exit-minus-one ===
+
+add_executable(closes-exit-minus-one ${CLOSES_EXIT_MINUS_ONE_SOURCES} "${CMAKE_CURRENT_SOURCE_DIR}/src/vcpkg.manifest")
+set_property(TARGET closes-exit-minus-one PROPERTY PDB_NAME "closes-exit-minus-one${VCPKG_PDB_SUFFIX}")
+
 # === Target: closes-stdin ===
 
 add_executable(closes-stdin ${CLOSES_STDIN_SOURCES} "${CMAKE_CURRENT_SOURCE_DIR}/src/vcpkg.manifest")
@@ -585,7 +591,7 @@ if(CLANG_FORMAT)
         COMMAND "${CLANG_FORMAT}" -i -verbose ${VCPKG_TEST_INCLUDES}
 
         COMMAND "${CLANG_FORMAT}" -i -verbose ${VCPKG_FUZZ_SOURCES} ${TLS12_DOWNLOAD_SOURCES}
-            ${CLOSES_STDIN_SOURCES} ${CLOSES_STDOUT_SOURCES} ${READS_STDIN_SOURCES}
+            ${CLOSES_STDIN_SOURCES} ${CLOSES_STDOUT_SOURCES} ${READS_STDIN_SOURCES} ${CLOSES_EXIT_MINUS_ONE_SOURCES}
             ${TEST_EDITOR_SOURCES} ${TEST_SCRIPT_ASSET_CACHE_SOURCES}
     )
 endif()

src/closes-exit-minus-one.c

@@ -0,0 +1,10 @@
+#if defined(_WIN32)
+#include <Windows.h>
+int main(void)
+{
+    TerminateProcess(GetCurrentProcess(), 0xFFFFFFFF);
+    return -1;
+}
+#else
+int main(void) { return -1; }
+#endif

src/vcpkg-test/system.process.cpp

@@ -41,6 +41,38 @@ TEST_CASE ("captures-output", "[system.process]")
     REQUIRE(run.output == expected);
 }
 
+TEST_CASE ("closes-exit-minus-one cmd_execute", "[system.process]")
+{
+    auto test_program = Path(get_exe_path_of_current_process().parent_path()) / "closes-exit-minus-one";
+    ProcessLaunchSettings settings;
+    auto return_value = cmd_execute(Command{test_program}, settings).value_or_exit(VCPKG_LINE_INFO);
+#ifdef _WIN32
+    REQUIRE(return_value == 0xFFFFFFFFul);
+#else  // ^^^ _WIN32 / !_WIN32 vvv
+    if (WIFEXITED(return_value))
+    {
+        REQUIRE(WEXITSTATUS(return_value) == 0x000000FFul);
+    }
+    else
+    {
+        FAIL();
+    }
+#endif // ^^^ _WIN32
+}
+
+TEST_CASE ("closes-exit-minus-one cmd_execute_and_capture_output", "[system.process]")
+{
+    auto test_program = Path(get_exe_path_of_current_process().parent_path()) / "closes-exit-minus-one";
+    RedirectedProcessLaunchSettings settings;
+    settings.stdin_content = "this is some input that will be intentionally not read";
+    auto run = cmd_execute_and_capture_output(Command{test_program}, settings).value_or_exit(VCPKG_LINE_INFO);
+#ifdef _WIN32
+    REQUIRE(run.exit_code == 0xFFFFFFFFul);
+#else  // ^^^ _WIN32 / !_WIN32 vvv
+    REQUIRE(run.exit_code == 0x000000FFul);
+#endif // ^^^ _WIN32
+}
+
 TEST_CASE ("no closes-stdin crash", "[system.process]")
 {
     auto test_program = Path(get_exe_path_of_current_process().parent_path()) / "closes-stdin";