old_contents: #!/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 we get the expected error message when we use a "build"
  command without arguments and there are no default targets (because they
  explicitly called Default(None) in the SConstruct file).
  """
  
  import TestSCons
  
  test = TestSCons.TestSCons(combine=1)
  
  test.write('SConstruct', """\
  Command('foo.out', 'foo.in', Copy('$TARGET', '$SOURCE'))
  Default(None)
  Command('1', [], Touch('$TARGET'))
  Command('2', [], Touch('$TARGET'))
  """)
  
  test.write('foo.in', "foo.in 1\n")
  
  
  
  scons = test.start(arguments = '-Q --interactive')
  
  scons.send("build\n")
  
  scons.send("build foo.out\n")
  
  scons.send("build 1\n")
  
  #scons.stdin.close()
  #print scons.stdout.read()
  
  test.wait_for(test.workpath('1'))
  
  test.must_match(test.workpath('foo.out'), "foo.in 1\n")
  
  
  
  test.write('foo.in', "foo.in 2\n")
  
  # Verify that "scons" can be used as a synonmyn for the "build" command.
  scons.send("scons\n")
  
  scons.send("scons foo.out\n")
  
  scons.send("build 2\n")
  
  test.wait_for(test.workpath('2'))
  
  test.must_match(test.workpath('foo.out'), "foo.in 2\n")
  
  
  
  scons.send("build\n")
  
  scons.send("build foo.out\n")
  
  expect_stdout = """\
  scons>>> scons: *** No targets specified and no Default() targets found.  Stop.
  scons>>> Copy("foo.out", "foo.in")
  scons>>> Touch("1")
  scons>>> scons: *** No targets specified and no Default() targets found.  Stop.
  scons>>> Copy("foo.out", "foo.in")
  scons>>> Touch("2")
  scons>>> scons: *** No targets specified and no Default() targets found.  Stop.
  scons>>> scons: `foo.out' is up to date.
  scons>>> 
  """
  
  test.finish(scons, stdout = expect_stdout)
  
  
  
  test.pass_test()
  
new_contents: #!/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 we get the expected error message when we use a "build"
  command without arguments and there are no default targets (because they
  explicitly called Default(None) in the SConstruct file).
  """
  
  import TestSCons
  
  test = TestSCons.TestSCons(combine=1)
  
  test.write('SConstruct', """\
  Command('foo.out', 'foo.in', Copy('$TARGET', '$SOURCE'))
  Default(None)
  Command('1', [], Touch('$TARGET'))
  Command('2', [], Touch('$TARGET'))
  """)
  
  test.write('foo.in', "foo.in 1\n")
  
  
  
  scons = test.start(arguments = '-Q --interactive')
  
  scons.send("build\n")
  
  scons.send("build foo.out\n")
  
  scons.send("build 1\n")
  
  test.wait_for(test.workpath('1'))
  
  test.must_match(test.workpath('foo.out'), "foo.in 1\n")
  
  
  
  test.write('foo.in', "foo.in 2\n")
  
  # Verify that "scons" can be used as a synonmyn for the "build" command.
  scons.send("scons\n")
  
  scons.send("scons foo.out\n")
  
  scons.send("build 2\n")
  
  test.wait_for(test.workpath('2'))
  
  test.must_match(test.workpath('foo.out'), "foo.in 2\n")
  
  
  
  scons.send("build\n")
  
  scons.send("build foo.out\n")
  
  expect_stdout = """\
  scons>>> scons: *** No targets specified and no Default() targets found.  Stop.
  scons>>> Copy("foo.out", "foo.in")
  scons>>> Touch("1")
  scons>>> scons: *** No targets specified and no Default() targets found.  Stop.
  scons>>> Copy("foo.out", "foo.in")
  scons>>> Touch("2")
  scons>>> scons: *** No targets specified and no Default() targets found.  Stop.
  scons>>> scons: `foo.out' is up to date.
  scons>>> 
  """
  
  test.finish(scons, stdout = expect_stdout)
  
  
  
  test.pass_test()
  
subject: Remove left-over commented-out lines.