1 files changed, 51 insertions, 0 deletions
diff --git a/scripts/test/wasm2asm.py b/scripts/test/wasm2asm.py
new file mode 100755
index 000000000..4f9c2ab3a
--- /dev/null
+++ b/scripts/test/wasm2asm.py
@@ -0,0 +1,51 @@
+#!/usr/bin/env python2
+
+import os
+
+from support import run_command
+from shared import (WASM2ASM, MOZJS, NODEJS, fail_if_not_identical, tests)
+
+
+def test_wasm2asm():
+  print '\n[ checking wasm2asm testcases... ]\n'
+
+  # tests with i64s, invokes, etc.
+  blacklist = ['atomics.wast', 'address.wast']
+  spec_tests = [os.path.join('spec', t) for t in
+                sorted(os.listdir(os.path.join('test', 'spec')))]
+  for wasm in tests + spec_tests:
+    if not wasm.endswith('.wast') or os.path.basename(wasm) in blacklist:
+      continue
+
+    asm = os.path.basename(wasm).replace('.wast', '.2asm.js')
+    expected_file = os.path.join('test', asm)
+    if not os.path.exists(expected_file):
+      continue
+
+    print '..', wasm
+
+    cmd = WASM2ASM + [os.path.join('test', wasm)]
+    out = run_command(cmd)
+
+    # verify output
+    expected = open(expected_file).read()
+    fail_if_not_identical(out, expected)
+
+    open('a.2asm.js', 'w').write(out)
+
+    if NODEJS:
+      # verify asm.js is valid js
+      out = run_command([NODEJS, 'a.2asm.js'])
+      fail_if_not_identical(out, '')
+
+    if MOZJS:
+      # verify asm.js validates
+      # check only subset of err because mozjs emits timing info
+      out = run_command([MOZJS, '-w', 'a.2asm.js'],
+                        expected_err='Successfully compiled asm.js code',
+                        err_contains=True)
+      fail_if_not_identical(out, '')
+
+
+if __name__ == "__main__":
+  test_wasm2asm()