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Diffstat (limited to 'test/Parallel/duplicate-target.py')
-rw-r--r-- | test/Parallel/duplicate-target.py | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/test/Parallel/duplicate-target.py b/test/Parallel/duplicate-target.py new file mode 100644 index 0000000..5d4f5e1 --- /dev/null +++ b/test/Parallel/duplicate-target.py @@ -0,0 +1,74 @@ +#!/usr/bin/env python +# +# __COPYRIGHT__ +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY +# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE +# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# + +__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__" + +""" +Verify that, when a file is specified multiple times in a target +list, we still build all of the necessary targets. + +This used to cause a target to "disappear" from the DAG when its reference +count dropped below 0, because we were subtracting the duplicated target +mutiple times even though we'd only visit it once. This was particularly +hard to track down because the DAG itself (when printed with --tree=prune, +for example) doesn't show the duplication in the *target* list. +""" + +import TestSCons + +_python_ = TestSCons._python_ + +test = TestSCons.TestSCons() + +test.subdir('work') + +tar_output = test.workpath('work.tar') + +test.write(['work', 'copy.py'], """\ +import sys +import time +time.sleep(int(sys.argv[1])) +open(sys.argv[2], 'wb').write(open(sys.argv[3], 'rb').read()) +""") + +test.write(['work', 'SConstruct'], """\ +env = Environment() +out1 = File('f1.out') +out2 = File('f2.out') +env.Command([out1, out1], 'f1.in', r'%(_python_)s copy.py 3 $TARGET $SOURCE') +env.Command([out2, out2], 'f2.in', r'%(_python_)s copy.py 3 $TARGET $SOURCE') + +env.Tar(r'%(tar_output)s', Dir('.')) +""" % locals()) + +test.write(['work', 'f1.in'], "work/f1.in\n") +test.write(['work', 'f2.in'], "work/f2.in\n") + +test.run(chdir = 'work', arguments = tar_output + ' -j2') + +test.must_match(['work', 'f1.out'], "work/f1.in\n") +test.must_match(['work', 'f2.out'], "work/f2.in\n") +test.must_exist(tar_output) + +test.pass_test() |