#!/usr/bin/env python
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"""
Verify that the time 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 = '       Total  SConscripts        SCons     commands\n'

lines = []

line_fmt = '   11.123456    22.234567    33.345678    44.456789    %s\n'

for i in range(9):
    logfile_name = 'foo-%s.log' % i
    test.fake_logfile(logfile_name)
    lines.append(line_fmt % logfile_name)

expect3 = [header] + lines[-3:]
expect5 = [header] + lines[-5:]

test.run(arguments = 'time -t 3 foo-*.log', stdout = ''.join(expect3))

test.run(arguments = 'time --tail 5 foo-*.log', stdout = ''.join(expect5))

test.pass_test()

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