--- /dev/null
+#!/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__"
+
+"""
+Test various combinations of build_dir when the source directory is,
+or is not, underneath the SConstruct directory.
+"""
+
+import TestSCons
+
+test = TestSCons.TestSCons()
+
+test.subdir('work', ['work', 'sub'], 'other')
+
+test.write(['work', 'SConscript'], """\
+f = Command("file.out", "file.in", Copy("$TARGET", "$SOURCE"))
+Default(f)
+""")
+
+test.write(['work', 'file.in'], "work/file.in\n")
+
+
+
+test.write(['work', 'sub', 'SConstruct'], """\
+SConscript('../SConscript', build_dir='build1')
+""")
+
+test.run(chdir='work/sub')
+
+test.must_match(['work', 'sub', 'build1', 'file.out'], "work/file.in\n")
+
+
+
+test.write(['work', 'sub', 'SConstruct'], """
+SConscript('../SConscript', build_dir='../build2')
+""")
+
+test.run(chdir='work/sub')
+
+test.must_match(['work', 'build2', 'file.out'], "work/file.in\n")
+
+
+
+test.write(['work', 'sub', 'SConstruct'], """
+SConscript('../SConscript', build_dir='../../build3')
+""")
+
+test.run(chdir='work/sub')
+
+test.must_match(['build3', 'file.out'], "work/file.in\n")
+
+
+
+test.write(['work', 'SConstruct'], """
+SConscript('../other/SConscript', build_dir='build4')
+""")
+
+test.write(['other', 'SConscript'], """\
+f = Command("file.out", "file.in", Copy("$TARGET", "$SOURCE"))
+Default(f)
+""")
+
+test.write(['other', 'file.in'], "other/file.in\n")
+
+test.run(chdir='work')
+
+test.must_match(['work', 'build4', 'file.out'], "other/file.in\n")
+
+
+
+test.pass_test()