EM_ASM_INT and EM_ASM_DOUBLE, which allow input and output values from EM_ASM; fixes #1819

1 files changed, 10 insertions, 2 deletions

diff --git a/tests/test_core.py b/tests/test_core.py
index d7b6cf53..67e316e4 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -3970,7 +3970,7 @@ def process(filename):
       #include <stdio.h>
       #include <emscripten.h>
 
-      int main() {
+      int main(int argc, char **argv) {
         EM_ASM(Module.print('hello dere1'));
         EM_ASM(
           Module.print('hello dere2');
@@ -3981,11 +3981,19 @@ def process(filename):
             Module.print('hello dere' + 4);
           );
         }
+        int sum = 0;
+        for (int i = 0; i < argc*3; i++) {
+          sum += EM_ASM_INT({
+            Module.print('i: ' + [$0, ($1).toFixed(2)]);
+            return $0*2;
+          }, i, double(i)/12);
+        }
+        printf("sum: %d\n", sum);
         return 0;
       }
       '''
 
-    self.do_run(src, 'hello dere1\nhello dere2\nhello dere3\nhello dere4\nhello dere3\nhello dere4\nhello dere3\nhello dere4\n')
+    self.do_run(src, 'hello dere1\nhello dere2\nhello dere3\nhello dere4\nhello dere3\nhello dere4\nhello dere3\nhello dere4\ni: 0,0.00\ni: 1,0.08\ni: 2,0.17\nsum: 6\n')
 
   def test_memorygrowth(self):
     if Settings.USE_TYPED_ARRAYS == 0: return self.skip('memory growth is only supported with typed arrays')