text: #!/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__"
  
  import TestSCons
  
  test = TestSCons.TestSCons()
  
  test.subdir('src')
  
  test.write('SConstruct',"""
  VariantDir('var1', 'src', duplicate=0)
  VariantDir('var2', 'src', duplicate=1)
  SConscript('src/SConscript')
  SConscript('var1/SConscript')
  SConscript('var2/SConscript')
  """)
  
  test.write('src/SConscript',"""
  def build(target, source, env):
      for t in target:
          with open(str(t), "wt") as f:
              f.write(str(t))
  
  def emitter(target, source, env):
      target.append(str(target[0])+".foo")
      return target,source
  
  def emit1(t, s, e): return (t + ['emit.1'], s)
  def emit2(t, s, e): return (t + ['emit.2'], s)
  
  foo = Builder(action=build, emitter=emitter)
  bar = Builder(action=build, emitter='$EMITTERS')
  
  env=Environment(BUILDERS={ 'foo': foo, 'bar': bar },
                  EMITTERS=[emit1, emit2])
  env.foo('f.out', 'f.in')
  env.foo(File('g.out'), 'g.in')
  env.bar('h.out', 'h.in')
  """)
  
  test.write(['src', 'f.in'], 'f.in')
  test.write(['src', 'g.in'], 'g.in')
  test.write(['src', 'h.in'], 'h.in')
  
  # Do 'src' last so that creation of the emitter files in there doesn't
  # interfere with searching for them in the VariantDirs.
  
  test.run(arguments='var2')
  
  test.must_exist(test.workpath('var2', 'f.out'))
  test.must_exist(test.workpath('var2', 'f.out.foo'))
  test.must_exist(test.workpath('var2', 'g.out'))
  test.must_exist(test.workpath('var2', 'g.out.foo'))
  test.must_exist(test.workpath('var2', 'h.out'))
  test.must_exist(test.workpath('var2', 'emit.1'))
  test.must_exist(test.workpath('var2', 'emit.2'))
  
  test.run(arguments = 'var1')
  
  test.must_exist(test.workpath('var1', 'f.out'))
  test.must_exist(test.workpath('var1', 'f.out.foo'))
  test.must_exist(test.workpath('var1', 'g.out'))
  test.must_exist(test.workpath('var1', 'g.out.foo'))
  test.must_exist(test.workpath('var1', 'h.out'))
  test.must_exist(test.workpath('var1', 'emit.1'))
  test.must_exist(test.workpath('var1', 'emit.2'))
  
  test.run(arguments = 'src')
  
  test.must_exist(test.workpath('src', 'f.out'))
  test.must_exist(test.workpath('src', 'f.out.foo'))
  test.must_exist(test.workpath('src', 'g.out'))
  test.must_exist(test.workpath('src', 'g.out.foo'))
  test.must_exist(test.workpath('src', 'h.out'))
  test.must_exist(test.workpath('src', 'emit.1'))
  test.must_exist(test.workpath('src', 'emit.2'))
  
  test.pass_test()
  
  # Local Variables:
  # tab-width:4
  # indent-tabs-mode:nil
  # End:
  # vim: set expandtab tabstop=4 shiftwidth=4:
  