add wasm-backend globals testcase

3 files changed, 27 insertions, 1 deletions

diff --git a/check.py b/check.py
index 07ff9b072..97fe1b886 100755
--- a/check.py
+++ b/check.py
@@ -307,7 +307,7 @@ if has_emcc:
 
   print '\n[ checking emcc WASM_BACKEND testcases... ]\n'
 
-  for c in ['hello_world.cpp', 'hello_num.cpp']:
+  for c in ['hello_world.cpp', 'hello_num.cpp', 'globals.cpp']:
     print '..', c
     base = c.replace('.cpp', '').replace('.c', '')
     expected = open(os.path.join('test', 'wasm_backend', base + '.txt')).read()
diff --git a/test/wasm_backend/globals.cpp b/test/wasm_backend/globals.cpp
new file mode 100644
index 000000000..9a2f1bcc8
--- /dev/null
+++ b/test/wasm_backend/globals.cpp
@@ -0,0 +1,21 @@
+#include <emscripten.h>
+
+char c = 10;
+short s = 20;
+int i = 55;
+
+void print(int v) {
+  int *x = (int*)8;
+  *x = v;
+  EM_ASM({
+    Module.print("print: " + HEAP32[8>>2]);
+  });
+}
+
+int main() {
+  print(1);
+  print(c);
+  print(s);
+  print(i);
+}
+
diff --git a/test/wasm_backend/globals.txt b/test/wasm_backend/globals.txt
new file mode 100644
index 000000000..56248691d
--- /dev/null
+++ b/test/wasm_backend/globals.txt
@@ -0,0 +1,5 @@
+print: 1
+print: 10
+print: 20
+print: 55
+