import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

media/webrtc/trunk/tools/gyp/test/win/gyptest-cl-function-level-linking.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2012 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""
+Make sure function-level linking setting is extracted properly.
+"""
+
+import TestGyp
+
+import sys
+
+if sys.platform == 'win32':
+  test = TestGyp.TestGyp(formats=['msvs', 'ninja'])
+
+  CHDIR = 'compiler-flags'
+  test.run_gyp('function-level-linking.gyp', chdir=CHDIR)
+  test.build('function-level-linking.gyp', test.ALL, chdir=CHDIR)
+
+  def CheckForSectionString(binary, search_for, should_exist):
+    output = test.run_dumpbin('/headers', binary)
+    if should_exist and search_for not in output:
+      print 'Did not find "%s" in %s' % (search_for, binary)
+      test.fail_test()
+    elif not should_exist and search_for in output:
+      print 'Found "%s" in %s (and shouldn\'t have)' % (search_for, binary)
+      test.fail_test()
+
+  def Object(proj, obj):
+    sep = '.' if test.format == 'ninja' else '\\'
+    return 'obj\\%s%s%s' % (proj, sep, obj)
+
+  look_for = '''COMDAT; sym= "int __cdecl comdat_function'''
+
+  # When function level linking is on, the functions should be listed as
+  # separate comdat entries.
+
+  CheckForSectionString(
+      test.built_file_path(Object('test_fll_on', 'function-level-linking.obj'),
+                           chdir=CHDIR),
+      look_for,
+      should_exist=True)
+
+  CheckForSectionString(
+      test.built_file_path(Object('test_fll_off', 'function-level-linking.obj'),
+                           chdir=CHDIR),
+      look_for,
+      should_exist=False)
+
+  test.pass_test()