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1 #!/usr/bin/env python | 1 #!/usr/bin/env python |
2 | 2 |
3 # Copyright (c) 2012 Google Inc. All rights reserved. | 3 # Copyright (c) 2012 Google Inc. All rights reserved. |
4 # Use of this source code is governed by a BSD-style license that can be | 4 # Use of this source code is governed by a BSD-style license that can be |
5 # found in the LICENSE file. | 5 # found in the LICENSE file. |
6 | 6 |
7 """ | 7 """ |
8 Verify that relinking a solib doesn't relink a dependent executable if the | 8 Verify that relinking a solib doesn't relink a dependent executable if the |
9 solib's public API hasn't changed. | 9 solib's public API hasn't changed. |
10 """ | 10 """ |
11 | 11 |
12 import os | 12 import os |
13 import sys | 13 import sys |
14 import TestGyp | 14 import TestGyp |
15 | 15 |
16 # NOTE(fischman): This test will not work with other generators because the | 16 # NOTE(fischman): This test will not work with other generators because the |
17 # API-hash-based-mtime-preservation optimization is only implemented in | 17 # API-hash-based-mtime-preservation optimization is only implemented in |
18 # ninja.py. It could be extended to the make.py generator as well pretty | 18 # ninja.py. It could be extended to the make.py generator as well pretty |
19 # easily, probably. | 19 # easily, probably. |
20 # (also, it tests ninja-specific out paths, which would have to be generalized | 20 # (also, it tests ninja-specific out paths, which would have to be generalized |
21 # if this was extended to other generators). | 21 # if this was extended to other generators). |
22 test = TestGyp.TestGyp(formats=['ninja']) | 22 test = TestGyp.TestGyp(formats=['ninja']) |
23 | 23 |
24 # The optimization being tested for is only implemented on linux. | 24 # The optimization being tested for is only implemented on linux and mac. |
25 if sys.platform in ['win32', 'cygwin', 'darwin']: | 25 if sys.platform in ['win32', 'cygwin']: |
26 test.pass_test() | 26 test.pass_test() |
27 sys.exit(0) | 27 sys.exit(0) |
28 | 28 |
29 test.run_gyp('solibs_avoid_relinking.gyp') | 29 test.run_gyp('solibs_avoid_relinking.gyp') |
30 | 30 |
31 # Build the executable, grab its timestamp, touch the solib's source, rebuild | 31 # Build the executable, grab its timestamp, touch the solib's source, rebuild |
32 # executable, ensure timestamp hasn't changed. | 32 # executable, ensure timestamp hasn't changed. |
33 test.build('solibs_avoid_relinking.gyp', 'b') | 33 test.build('solibs_avoid_relinking.gyp', 'b') |
34 test.built_file_must_exist('b') | 34 test.built_file_must_exist('b') |
35 pre_stat = os.stat(test.built_file_path('b')) | 35 pre_stat = os.stat(test.built_file_path('b')) |
36 os.utime(os.path.join(test.workdir, 'solib.cc'), | 36 os.utime(os.path.join(test.workdir, 'solib.cc'), |
37 (pre_stat.st_atime, pre_stat.st_mtime + 100)) | 37 (pre_stat.st_atime, pre_stat.st_mtime + 100)) |
38 test.sleep() | 38 test.sleep() |
39 test.build('solibs_avoid_relinking.gyp', 'b') | 39 test.build('solibs_avoid_relinking.gyp', 'b') |
40 post_stat = os.stat(test.built_file_path('b')) | 40 post_stat = os.stat(test.built_file_path('b')) |
41 | 41 |
42 if pre_stat.st_mtime != post_stat.st_mtime: | 42 if pre_stat.st_mtime != post_stat.st_mtime: |
43 test.fail_test() | 43 test.fail_test() |
44 else: | 44 else: |
45 test.pass_test() | 45 test.pass_test() |
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