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-rw-r--r--third_party/python/gyp/test/win/gyptest-link-pgo.py75
1 files changed, 75 insertions, 0 deletions
diff --git a/third_party/python/gyp/test/win/gyptest-link-pgo.py b/third_party/python/gyp/test/win/gyptest-link-pgo.py
new file mode 100644
index 0000000000..d742047ac3
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+++ b/third_party/python/gyp/test/win/gyptest-link-pgo.py
@@ -0,0 +1,75 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2013 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 PGO is working properly.
+"""
+
+import TestGyp
+
+import os
+import sys
+
+if sys.platform == 'win32':
+ test = TestGyp.TestGyp(formats=['msvs', 'ninja'])
+
+ CHDIR = 'linker-flags'
+ test.run_gyp('pgo.gyp', chdir=CHDIR)
+
+ def IsPGOAvailable():
+ """Returns true if the Visual Studio available here supports PGO."""
+ test.build('pgo.gyp', 'gen_linker_option', chdir=CHDIR)
+ tmpfile = test.read(test.built_file_path('linker_options.txt', chdir=CHDIR))
+ return any(line.find('PGOPTIMIZE') for line in tmpfile)
+
+ # Test generated build files look fine.
+ if test.format == 'ninja':
+ ninja = test.built_file_path('obj/test_pgo_instrument.ninja', chdir=CHDIR)
+ test.must_contain(ninja, '/LTCG:PGINSTRUMENT')
+ test.must_contain(ninja, 'test_pgo.pgd')
+ ninja = test.built_file_path('obj/test_pgo_optimize.ninja', chdir=CHDIR)
+ test.must_contain(ninja, '/LTCG:PGOPTIMIZE')
+ test.must_contain(ninja, 'test_pgo.pgd')
+ ninja = test.built_file_path('obj/test_pgo_update.ninja', chdir=CHDIR)
+ test.must_contain(ninja, '/LTCG:PGUPDATE')
+ test.must_contain(ninja, 'test_pgo.pgd')
+ elif test.format == 'msvs':
+ LTCG_FORMAT = '<LinkTimeCodeGeneration>%s</LinkTimeCodeGeneration>'
+ vcproj = test.workpath('linker-flags/test_pgo_instrument.vcxproj')
+ test.must_contain(vcproj, LTCG_FORMAT % 'PGInstrument')
+ test.must_contain(vcproj, 'test_pgo.pgd')
+ vcproj = test.workpath('linker-flags/test_pgo_optimize.vcxproj')
+ test.must_contain(vcproj, LTCG_FORMAT % 'PGOptimization')
+ test.must_contain(vcproj, 'test_pgo.pgd')
+ vcproj = test.workpath('linker-flags/test_pgo_update.vcxproj')
+ test.must_contain(vcproj, LTCG_FORMAT % 'PGUpdate')
+ test.must_contain(vcproj, 'test_pgo.pgd')
+
+ # When PGO is available, try building binaries with PGO.
+ if IsPGOAvailable():
+ pgd_path = test.built_file_path('test_pgo.pgd', chdir=CHDIR)
+
+ # Test if 'PGInstrument' generates PGD (Profile-Guided Database) file.
+ if os.path.exists(pgd_path):
+ test.unlink(pgd_path)
+ test.must_not_exist(pgd_path)
+ test.build('pgo.gyp', 'test_pgo_instrument', chdir=CHDIR)
+ test.must_exist(pgd_path)
+
+ # Test if 'PGOptimize' works well
+ test.build('pgo.gyp', 'test_pgo_optimize', chdir=CHDIR)
+ test.must_contain_any_line(test.stdout(), ['profiled functions'])
+
+ # Test if 'PGUpdate' works well
+ test.build('pgo.gyp', 'test_pgo_update', chdir=CHDIR)
+ # With 'PGUpdate', linker should not complain that sources are changed after
+ # the previous training run.
+ test.touch(test.workpath('linker-flags/inline_test_main.cc'))
+ test.unlink(test.built_file_path('test_pgo_update.exe', chdir=CHDIR))
+ test.build('pgo.gyp', 'test_pgo_update', chdir=CHDIR)
+ test.must_contain_any_line(test.stdout(), ['profiled functions'])
+
+ test.pass_test()