3 files changed, 62 insertions, 0 deletions
diff --git a/tests/browser_main.cpp b/tests/browser_main.cpp
new file mode 100644
index 00000000..efdce1be
--- /dev/null
+++ b/tests/browser_main.cpp
@@ -0,0 +1,42 @@
+#include <assert.h>
+#include <stdio.h>
+#include <dlfcn.h>
+#include <emscripten.h>
+
+typedef void (*voidfunc)();
+typedef int (*intfunc)();
+
+void *lib_handle;
+voidfunc onefunc;
+intfunc twofunc;
+
+void next(const char *x) {
+  lib_handle = dlopen("themodule.js", RTLD_NOW);
+  assert(lib_handle != NULL);
+
+  onefunc = (voidfunc)dlsym(lib_handle, "one");
+  twofunc = (intfunc)dlsym(lib_handle, "two");
+  assert(onefunc && twofunc);
+
+  assert(twofunc() == 0);
+  onefunc();
+  assert(twofunc() == 1);
+  onefunc();
+  onefunc();
+  assert(twofunc() == 3);
+  onefunc();
+  onefunc();
+  onefunc();
+  onefunc();
+  assert(twofunc() == 7);
+  onefunc();
+  int result = twofunc();
+  REPORT_RESULT();
+}
+
+int main() {
+  emscripten_async_wget("module.js", "themodule.js", next, NULL);
+  
+  return 0;
+}
+
diff --git a/tests/browser_module.cpp b/tests/browser_module.cpp
new file mode 100644
index 00000000..85d724b5
--- /dev/null
+++ b/tests/browser_module.cpp
@@ -0,0 +1,15 @@
+
+int state = 0;
+
+extern "C" {
+
+void one() {
+  state++;
+}
+
+int two() {
+  return state;
+}
+
+}
+
diff --git a/tests/test_browser.py b/tests/test_browser.py
index a0c4dceb..b014b4f6 100644
--- a/tests/test_browser.py
+++ b/tests/test_browser.py
@@ -1404,3 +1404,8 @@ If manually bisecting:
 
   def test_emscripten_async_wget2(self):
     self.btest('http.cpp', expected='0', args=['-I' + path_from_root('tests')])
+
+  def test_module(self):
+    Popen([PYTHON, EMCC, path_from_root('tests', 'browser_module.cpp'), '-o', 'module.js', '-O2', '-s', 'SIDE_MODULE=1', '-s', 'DLOPEN_SUPPORT=1', '-s', 'EXPORTED_FUNCTIONS=["_one", "_two"]']).communicate()
+    self.btest('browser_main.cpp', args=['-O2', '-s', 'MAIN_MODULE=1', '-s', 'DLOPEN_SUPPORT=1'], expected='8')
+