ability to run tests in evented I/O mode

This adds `--test-evented-io` as a CLI parameter.

see #3117

1 files changed, 6 insertions, 0 deletions

diff --git a/src/main.cpp b/src/main.cpp
index 991b46b320..78bdbe1541 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -135,6 +135,7 @@ static int print_full_usage(const char *arg0, FILE *file, int return_code) {
         "  --test-name-prefix [text]    add prefix to all tests\n"
         "  --test-cmd [arg]             specify test execution command one arg at a time\n"
         "  --test-cmd-bin               appends test binary path to test cmd args\n"
+        "  --test-evented-io            runs the test in evented I/O mode\n"
     , arg0);
     return return_code;
 }
@@ -428,6 +429,7 @@ int main(int argc, char **argv) {
     ZigList<CFile *> c_source_files = {0};
     const char *test_filter = nullptr;
     const char *test_name_prefix = nullptr;
+    bool test_evented_io = false;
     size_t ver_major = 0;
     size_t ver_minor = 0;
     size_t ver_patch = 0;
@@ -709,6 +711,8 @@ int main(int argc, char **argv) {
                 cur_pkg = cur_pkg->parent;
             } else if (strcmp(arg, "-ffunction-sections") == 0) {
                 function_sections = true;
+            } else if (strcmp(arg, "--test-evented-io") == 0) {
+                test_evented_io = true;
             } else if (i + 1 >= argc) {
                 fprintf(stderr, "Expected another argument after %s\n", arg);
                 return print_error_usage(arg0);
@@ -1059,6 +1063,7 @@ int main(int argc, char **argv) {
         g->want_stack_check = want_stack_check;
         g->want_sanitize_c = want_sanitize_c;
         g->want_single_threaded = want_single_threaded;
+        g->test_is_evented = test_evented_io;
         Buf *builtin_source = codegen_generate_builtin_source(g);
         if (fwrite(buf_ptr(builtin_source), 1, buf_len(builtin_source), stdout) != buf_len(builtin_source)) {
             fprintf(stderr, "unable to write to stdout: %s\n", strerror(ferror(stdout)));
@@ -1232,6 +1237,7 @@ int main(int argc, char **argv) {
             if (test_filter) {
                 codegen_set_test_filter(g, buf_create_from_str(test_filter));
             }
+            g->test_is_evented = test_evented_io;
 
             if (test_name_prefix) {
                 codegen_set_test_name_prefix(g, buf_create_from_str(test_name_prefix));