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+#!/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 the obj subcommand only prints results for the last number
+of files specified with the -t and --tail options.
+"""
+
+import TestSCons_time
+
+test = TestSCons_time.TestSCons_time()
+
+
+header = ' pre-read post-read pre-build post-build\n'
+
+lines = []
+
+line_fmt = ' 1501%(i)s 1502%(i)s 1503%(i)s 1504%(i)s %(logfile_name)s\n'
+
+for i in xrange(9):
+ logfile_name = 'foo-%s.log' % i
+ test.fake_logfile(logfile_name, i)
+ lines.append(line_fmt % locals())
+
+expect3 = ''.join([header] + lines[-3:])
+expect5 = ''.join([header] + lines[-5:])
+
+test.run(arguments = 'obj -t 3 Node.FS foo-*.log', stdout = expect3)
+
+test.run(arguments = 'obj --tail 5 Node.FS foo-*.log', stdout = expect5)
+
+test.pass_test()