[test] Initial import of an emscripten test suite.

test/emscripten/testcfg.py

Index: test/emscripten/testcfg.py
diff --git a/test/message/testcfg.py b/test/emscripten/testcfg.py
similarity index 55%
copy from test/message/testcfg.py
copy to test/emscripten/testcfg.py
index cfe22f15d70adafc49daefcb68eaa962852132e7..3f0d5ed59b56f4e1f1fc20715cc8ccd182d4f000 100644
--- a/test/message/testcfg.py
+++ b/test/emscripten/testcfg.py
@@ -1,29 +1,6 @@
-# Copyright 2008 the V8 project authors. All rights reserved.
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-#       copyright notice, this list of conditions and the following
-#       disclaimer in the documentation and/or other materials provided
-#       with the distribution.
-#     * Neither the name of Google Inc. nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# Copyright 2015 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
 
 import itertools
 import os
@@ -36,7 +13,6 @@ from testrunner.objects import testcase
 
 FLAGS_PATTERN = re.compile(r"//\s+Flags:(.*)")
 INVALID_FLAGS = ["--enable-slow-asserts"]
-MODULE_PATTERN = re.compile(r"^// MODULE$", flags=re.MULTILINE)
 
 
 class MessageTestSuite(testsuite.TestSuite):
@@ -64,8 +40,6 @@ class MessageTestSuite(testsuite.TestSuite):
     for match in flags_match:
       result += match.strip().split()
     result += context.mode_flags
-    if MODULE_PATTERN.search(source):
-      result.append("--module")
     result = [x for x in result if x not in INVALID_FLAGS]
     result.append(os.path.join(self.root, testcase.path + ".js"))
     return testcase.flags + result
@@ -76,9 +50,7 @@ class MessageTestSuite(testsuite.TestSuite):
       return f.read()
 
   def _IgnoreLine(self, string):
-    """Ignore empty lines, valgrind output, Android output."""
-    if not string: return True
-    if not string.strip(): return True
+    """Ignore valgrind, NaCl and Android output."""
     return (string.startswith("==") or string.startswith("**") or
             string.startswith("ANDROID") or
             # These five patterns appear in normal Native Client output.
@@ -92,10 +64,8 @@ class MessageTestSuite(testsuite.TestSuite):
     expected_path = os.path.join(self.root, testpath + ".out")
     expected_lines = []
     # Can't use utils.ReadLinesFrom() here because it strips whitespace.
-    with open(expected_path) as f:
-      for line in f:
-        if line.startswith("#") or not line.strip(): continue
-        expected_lines.append(line)
+    with open(expected_path) as expected:
+      expected_lines = expected.read().splitlines()
     raw_lines = output.stdout.splitlines()
     actual_lines = [ s for s in raw_lines if not self._IgnoreLine(s) ]
     env = { "basename": os.path.basename(testpath + ".js") }
@@ -103,10 +73,7 @@ class MessageTestSuite(testsuite.TestSuite):
       return True
     for (expected, actual) in itertools.izip_longest(
         expected_lines, actual_lines, fillvalue=''):
-      pattern = re.escape(expected.rstrip() % env)
-      pattern = pattern.replace("\\*", ".*")
-      pattern = "^%s$" % pattern
-      if not re.match(pattern, actual):
+      if expected != actual:
         return True
     return False