upstream/mercurial-mirror Files · tests/test-atomictempfile.py

parsers.c: remove warning: 'size' may be used uninitialized in this function...

parsers.c: remove warning: 'size' may be used uninitialized in this function Some compilers / compiler options (such as gcc 4.7) would emit warnings: mercurial/parsers.c: In function 'pack_dirstate': mercurial/parsers.c:306:18: warning: 'size' may be used uninitialized in this function [-Wmaybe-uninitialized] mercurial/parsers.c:306:12: warning: 'mode' may be used uninitialized in this function [-Wmaybe-uninitialized] It is apparently not smart enough to figure out how the 'err' arithmetics makes sure that it can't happen. 'err' is now replaced with simple checks and goto. That might also help the optimizer when it is inlining getintat().

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             test-atomictempfile.py
        
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      import os

      import glob

      from mercurial.util import atomictempfile

      # basic usage

      def test1_simple():

          if os.path.exists('foo'):

              os.remove('foo')

          file = atomictempfile('foo')

          (dir, basename) = os.path.split(file._tempname)

          assert not os.path.isfile('foo')

          assert basename in glob.glob('.foo-*')

          file.write('argh\n')

          file.close()

          assert os.path.isfile('foo')

          assert basename not in glob.glob('.foo-*')

          print 'OK'

      # discard() removes the temp file without making the write permanent

      def test2_discard():

          if os.path.exists('foo'):

              os.remove('foo')

          file = atomictempfile('foo')

          (dir, basename) = os.path.split(file._tempname)

          file.write('yo\n')

          file.discard()

          assert not os.path.isfile('foo')

          assert basename not in os.listdir('.')

          print 'OK'

      # if a programmer screws up and passes bad args to atomictempfile, they

      # get a plain ordinary TypeError, not infinite recursion

      def test3_oops():

          try:

              file = atomictempfile()

          except TypeError:

              print "OK"

          else:

              print "expected TypeError"

      if __name__ == '__main__':

          test1_simple()

          test2_discard()

          test3_oops()

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				import os
				import glob
				from mercurial.util import atomictempfile

				# basic usage
				def test1_simple():
				if os.path.exists('foo'):
				os.remove('foo')
				file = atomictempfile('foo')
				(dir, basename) = os.path.split(file._tempname)
				assert not os.path.isfile('foo')
				assert basename in glob.glob('.foo-*')

				file.write('argh\n')
				file.close()

				assert os.path.isfile('foo')
				assert basename not in glob.glob('.foo-*')
				print 'OK'

				# discard() removes the temp file without making the write permanent
				def test2_discard():
				if os.path.exists('foo'):
				os.remove('foo')
				file = atomictempfile('foo')
				(dir, basename) = os.path.split(file._tempname)

				file.write('yo\n')
				file.discard()

				assert not os.path.isfile('foo')
				assert basename not in os.listdir('.')
				print 'OK'

				# if a programmer screws up and passes bad args to atomictempfile, they
				# get a plain ordinary TypeError, not infinite recursion
				def test3_oops():
				try:
				file = atomictempfile()
				except TypeError:
				print "OK"
				else:
				print "expected TypeError"

				if __name__ == '__main__':
				test1_simple()
				test2_discard()
				test3_oops()