old_contents: #!/usr/bin/env python
  #
  # Copyright (c) 2001, 2002 Steven Knight
  #
  # 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__"
  
  import TestSCons
  import os.path
  
  test = TestSCons.TestSCons()
  
  test.subdir('subdir')
  
  test.write('build.py', r"""
  import sys
  contents = open(sys.argv[2], 'rb').read()
  file = open(sys.argv[1], 'wb')
  file.write(contents)
  file.close()
  """)
  
  test.write('SConstruct', """
  B = Builder(name = "B", action = "python build.py $TARGETS $SOURCES")
  env = Environment(BUILDERS = [B])
  env.B(target = 'subdir/f1.out', source = 'subdir/f1.in')
  env.B(target = 'subdir/f2.out', source = 'subdir/f2.in')
  env.B(target = 'subdir/f3.out', source = 'subdir/f3.in')
  env.B(target = 'subdir/f4.out', source = 'subdir/f4.in')
  """)
  
  test.write(['subdir', 'f1.in'], "f1.in\n")
  test.write(['subdir', 'f2.in'], "f2.in\n")
  test.write(['subdir', 'f3.in'], "f3.in\n")
  test.write(['subdir', 'f4.in'], "f4.in\n")
  
  test.run(arguments = 'subdir')
  print test.stdout()
  print test.stderr()
  
  test.fail_test(test.read(['subdir', 'f1.out']) != "f1.in\n")
  test.fail_test(test.read(['subdir', 'f2.out']) != "f2.in\n")
  test.fail_test(test.read(['subdir', 'f3.out']) != "f3.in\n")
  test.fail_test(test.read(['subdir', 'f4.out']) != "f4.in\n")
  
  test.up_to_date(arguments = 'subdir')
  
  test.pass_test()
  
new_contents: #!/usr/bin/env python
  #
  # Copyright (c) 2001, 2002 Steven Knight
  #
  # 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__"
  
  import TestSCons
  import os.path
  
  test = TestSCons.TestSCons()
  
  test.subdir('subdir')
  
  test.write('build.py', r"""
  import sys
  contents = open(sys.argv[2], 'rb').read()
  file = open(sys.argv[1], 'wb')
  file.write(contents)
  file.close()
  """)
  
  test.write('SConstruct', """
  B = Builder(name = "B", action = "python build.py $TARGETS $SOURCES")
  env = Environment(BUILDERS = [B])
  env.B(target = 'subdir/f1.out', source = 'subdir/f1.in')
  env.B(target = 'subdir/f2.out', source = 'subdir/f2.in')
  env.B(target = 'subdir/f3.out', source = 'subdir/f3.in')
  env.B(target = 'subdir/f4.out', source = 'subdir/f4.in')
  """)
  
  test.write(['subdir', 'f1.in'], "f1.in\n")
  test.write(['subdir', 'f2.in'], "f2.in\n")
  test.write(['subdir', 'f3.in'], "f3.in\n")
  test.write(['subdir', 'f4.in'], "f4.in\n")
  
  test.run(arguments = 'subdir')
  
  test.fail_test(test.read(['subdir', 'f1.out']) != "f1.in\n")
  test.fail_test(test.read(['subdir', 'f2.out']) != "f2.in\n")
  test.fail_test(test.read(['subdir', 'f3.out']) != "f3.in\n")
  test.fail_test(test.read(['subdir', 'f4.out']) != "f4.in\n")
  
  test.up_to_date(arguments = 'subdir')
  
  test.pass_test()
  
subject: Remove left-over debug prints in test/subdir.py.