add docs and testing for mem init file being async

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/mem_init.cpp b/tests/mem_init.cpp
new file mode 100644
index 00000000..e642bfc9
--- /dev/null
+++ b/tests/mem_init.cpp
@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <emscripten.h>
+
+extern "C" {
+
+int noted = 0;
+
+void EMSCRIPTEN_KEEPALIVE note(int n) {
+  EM_ASM_({ Module.print([$0, $1]) }, n, noted);
+  noted = noted | n;
+  EM_ASM_({ Module.print(['noted is now', $0]) }, noted);
+  if (noted == 3) {
+    int result = noted;
+    REPORT_RESULT();
+  }
+}
+
+}
+
+int main() {
+  EM_ASM( myJSCallback() ); // calls a global JS func
+  return 0;
+}
+