1 files changed, 68 insertions, 0 deletions
diff --git a/test/update-spec-tests.py b/test/update-spec-tests.py
new file mode 100755
index 00000000..803878fc
--- /dev/null
+++ b/test/update-spec-tests.py
@@ -0,0 +1,68 @@
+#!/usr/bin/env python
+#
+# Copyright 2016 WebAssembly Community Group participants
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import argparse
+import os
+import sys
+
+SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
+TEST_DIR = SCRIPT_DIR
+REPO_ROOT_DIR = os.path.dirname(SCRIPT_DIR)
+TESTSUITE_DIR = os.path.join(REPO_ROOT_DIR, 'third_party', 'testsuite')
+SPEC_TEST_DIR = os.path.join(TEST_DIR, 'interp', 'spec')
+
+
+def GetFilesWithExtension(src_dir, want_ext):
+  result = []
+  for filename in os.listdir(src_dir):
+    name, ext = os.path.splitext(filename)
+    if ext == want_ext:
+      result.append(name)
+  return result
+
+
+def main(args):
+  parser = argparse.ArgumentParser()
+  parser.add_argument('-v', '--verbose', help='print more diagnotic messages.',
+                      action='store_true')
+  options = parser.parse_args(args)
+
+  testsuite_tests = set(GetFilesWithExtension(TESTSUITE_DIR, '.wast'))
+  spec_tests = set(GetFilesWithExtension(SPEC_TEST_DIR, '.txt'))
+
+  for removed_test_name in spec_tests - testsuite_tests:
+    test_filename = os.path.join(SPEC_TEST_DIR, removed_test_name + '.txt')
+    if options.verbose:
+      print 'Removing %s' % test_filename
+    os.remove(test_filename)
+
+  for added_test_name in testsuite_tests - spec_tests:
+    wast_filename = os.path.join(os.path.relpath(TESTSUITE_DIR, REPO_ROOT_DIR),
+                                 added_test_name + '.wast')
+    test_filename = os.path.join(SPEC_TEST_DIR, added_test_name + '.txt')
+    if options.verbose:
+      print 'Adding %s' % test_filename
+    with open(test_filename, 'w') as f:
+      if added_test_name.endswith('.fail'):
+        f.write(';;; ERROR: 1\n')
+      f.write(';;; TOOL: run-interp-spec\n')
+      f.write(';;; STDIN_FILE: %s\n' % wast_filename)
+
+  return 0
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv[1:]))