Add test

Author: sbc100

tests/other/test_runtime_keepalive.cpp

@@ -0,0 +1,28 @@
+#include <emscripten.h>
+#include <stdio.h>
+
+int main() {
+  EM_ASM({
+    Module["onExit"] = () => { out("onExit"); };
+    runtimeKeepalivePush();
+    out("runtimeKeepalivePush done");
+    counter = 0;
+    function timerCallback() {
+      if (counter < 5) {
+        runtimeKeepalivePush();
+        out("runtimeKeepalivePush done");
+      } else {
+        runtimeKeepalivePop();
+        out("runtimeKeepalivePop done");
+      }
+      counter += 1;
+      callUserCallback(() => {
+        out("in user callback: " + counter);
+      }, 0);
+      setTimeout(timerCallback, 0);
+    }
+    setTimeout(timerCallback, 0);
+  });
+  puts("returning from main");
+  return 0;
+}

tests/other/test_runtime_keepalive.out

@@ -0,0 +1,25 @@
+runtimeKeepalivePush done
+returning from main
+runtimeKeepalivePush done
+in user callback: 1
+runtimeKeepalivePush done
+in user callback: 2
+runtimeKeepalivePush done
+in user callback: 3
+runtimeKeepalivePush done
+in user callback: 4
+runtimeKeepalivePush done
+in user callback: 5
+runtimeKeepalivePop done
+in user callback: 6
+runtimeKeepalivePop done
+in user callback: 7
+runtimeKeepalivePop done
+in user callback: 8
+runtimeKeepalivePop done
+in user callback: 9
+runtimeKeepalivePop done
+in user callback: 10
+runtimeKeepalivePop done
+in user callback: 11
+onExit

tests/test_other.py

@@ -10104,3 +10104,9 @@ def test_shell_Oz(self):
       return self.skipTest('no shell to test')
     self.run_process([EMCC, path_from_root('tests', 'hello_world.c'), '-Oz'])
     self.assertContained('hello, world!', self.run_js('a.out.js', engine=config.V8_ENGINE))
+
+  def test_runtime_keepalive(self):
+    self.uses_es6 = True
+    self.set_setting('DEFAULT_LIBRARY_FUNCS_TO_INCLUDE', ['$runtimeKeepalivePush', '$runtimeKeepalivePop', '$callUserCallback'])
+    self.set_setting('EXIT_RUNTIME')
+    self.do_other_test('test_runtime_keepalive.cpp')