1 files changed, 4 insertions, 0 deletions
diff --git a/check.py b/check.py
index d53bdfcb1..c9a44a4b0 100755
--- a/check.py
+++ b/check.py
@@ -295,6 +295,10 @@ for wast in tests:
     if os.path.exists('a.wast'): os.unlink('a.wast')
     subprocess.check_call(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     assert os.path.exists('a.wast')
+    expected = open(os.path.join('test', wast + '.fromBinary')).read()
+    actual = open('a.wast').read()
+    if actual != expected:
+      fail(actual, expected)
 
 print '\n[ checking example testcases... ]\n'