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select.t
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select.t
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#!./parrot
# Copyright (C) 2010-2011, Parrot Foundation.
=head1 NAME
t/dynpmc/select.t - tests the Select PMC
=head1 SYNOPSIS
% prove t/dynpmc/select.t
=head1 DESCRIPTION
Tests the Select PMC: a PMC for monitoring multiple file handles, waiting for
it to become ready for an I/O operation.
=cut
.sub main :main
.include 'test_more.pir'
.include 'iglobals.pasm'
load_bytecode 'osutils.pbc'
plan(14)
.local pmc interp
interp = getinterp
.local pmc config
config = interp[.IGLOBALS_CONFIG_HASH]
.local string osname
osname = config['osname']
if osname == 'MSWin32' goto todo_all
if osname == 'msys' goto todo_all
goto tests
todo_all:
skip(14, 'Behavior of select() is undefined on Windows')
goto end
tests:
test_load()
test_update()
test_read()
test_write()
test_select()
end:
.end
.sub 'test_load'
$P0 = loadlib 'select'
$I0 = defined $P0
ok($I0, "Loaded 'select' library")
.end
.sub 'test_update'
$P9 = new 'String'
$P9 = 'FH1'
$P0 = new ['FileHandle']
$P0.'open'('README.pod')
$P1 = new ['Select']
$P1.'update'($P0, $P9, 5)
$P3 = new ['FileHandle']
$P3.'open'('README.pod')
$P9 = new 'String'
$P9 = 'FH2'
$P1.'update'($P3, $P9, 5)
$I1 = $P0.'handle'()
$I2 = $P3.'handle'()
if $I1 > $I2 goto a
$I1 = $I2
a:
$I0 = $P1.'max_fd'()
is($I0, $I1, 'Check maximum number of file handles')
$P2 = $P1.'fd_map'()
$I3 = $P2
is($I3, 2, 'Two file handles in Select PMC')
$I0 = $P0.'handle'()
$S0 = $P2[$I0]
is($S0, 'FH1', 'Check fd_map() for FH1')
$I0 = $P3.'handle'()
$S0 = $P2[$I0]
is($S0, 'FH2', 'Check fd_map for FH2')
$P1.'remove'($P0)
$I3 = $P2
is($I3, 1, 'One file handle in Select PMC')
$P6 = $P1.'can_read'(1)
.end
.sub 'test_read'
$P9 = new 'String'
$P9 = 'FH1'
$P0 = new ['FileHandle']
$P0.'open'('README.pod')
$P1 = new ['Select']
$P1.'update'($P0, $P9, 5)
$P6 = $P1.'can_read'(1)
$I0 = $P6
is($I0, 1, 'Test can_read() for README.pod')
$P6 = $P1.'can_write'(0)
$I0 = $P6
is($I0, 0, 'Test can_write() for README.pod')
.end
.sub 'test_write'
$S0 = 'README2'
$P9 = new 'String'
$P9 = 'FH1'
$P0 = new ['FileHandle']
$P0.'open'($S0, 'w')
$P1 = new ['Select']
$P1.'update'($P0, $P9, 2)
sweep 1
$P9 = new 'String'
$P9 = 'FH2'
$P6 = $P1.'can_write'(1)
$I0 = $P6
is($I0, 1, 'Test can_write() for README2')
$P2 = $P6[0]
is($P2, "FH1", 'can_write() returned the correct payload')
$P6 = $P1.'can_read'(0)
$I0 = $P6
is($I0, 0, 'Test can_read() for README2')
unlink($S0)
.end
.sub 'test_select'
$S0 = 'README2'
$P9 = new 'String'
$P9 = 'FH1'
$P0 = new ['FileHandle']
$P0.'open'('README.pod', 'r')
$P1 = new ['Select']
$P1.'update'($P0, $P9, 5)
$P9 = new 'String'
$P9 = 'FH2'
$P0 = new ['FileHandle']
$P0.'open'($S0, 'w')
$P1.'update'($P0, $P9, 6)
$P6 = $P1.'select'(1)
$P7 = $P6[0]
$I0 = $P7
is($I0, 1, 'Test can_read() for README2 (array index)')
$P7 = $P6[1]
$I0 = $P7
is($I0, 1, 'Test can_write() for README2 (array index)')
$P7 = $P6[2]
$I0 = $P7
is($I0, 0, 'Test has_exception() for README2 (array index)', 'varies across OSes' :named('todo'))
unlink($S0)
.end
# Local Variables:
# mode: pir
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4 ft=pir: