From fe0b16aa222318588f3bfd84e549b4a1528be296 Mon Sep 17 00:00:00 2001
From: Thomas Lively <7121787+tlively@users.noreply.github.com>
Date: Tue, 19 Mar 2019 18:18:20 -0700
Subject: Discover and run unit tests from check.py (#1948)

unittest is Python's standard testing framework, so this change allows
arbitrary tests to be written without introducing any new dependencies
or code in check.py. A new test that was not possible to write before
is also included. It is the first of many.
---
 test/crash/test_features.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 test/crash/test_features.py

(limited to 'test/crash/test_features.py')

diff --git a/test/crash/test_features.py b/test/crash/test_features.py
new file mode 100644
index 000000000..87521d4c0
--- /dev/null
+++ b/test/crash/test_features.py
@@ -0,0 +1,18 @@
+import unittest
+from scripts.test.shared import WASM_OPT, run_process
+
+
+class FeatureValidationTest(unittest.TestCase):
+  def test_simd_type(self):
+    module = """
+    (module
+     (func $foo (param $0 v128) (result v128)
+      (local.get $0)
+     )
+    )
+    """
+    p = run_process(WASM_OPT + ['--mvp-features', '--print'],
+                    input=module, check=False, capture_output=True)
+    self.assertIn("all used types should be allowed", p.stderr)
+    self.assertIn("Fatal: error in validating input", p.stderr)
+    self.assertNotEqual(p.returncode, 0)
-- 
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