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packfileconstanttable.t
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packfileconstanttable.t
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#!./parrot
# Copyright (C) 2009-2010, Parrot Foundation.
=head1 NAME
t/pmc/packfileconstanttable.t - test the PackfileConstantTable PMC
=head1 SYNOPSIS
% make test_prep
% prove t/pmc/packfileconstanttable.t
=head1 DESCRIPTION
Tests the PackfileConstantTable PMC.
=cut
# Having some known data would be helpful, here. For now, just make sure
# the values returned from get_type look right, and that the corresponding
# fetches for the found types don't crash.
.include 't/pmc/testlib/packfile_common.pir'
.sub 'main' :main
.include 'test_more.pir'
'plan'(17)
'test_sanity'()
'test_counts'()
'test_get'()
'test_set'()
'test_get_or_create'()
'test_subs_intact'()
.end
# sanity check we have a PackfileConstantTable
.sub 'test_sanity'
.local pmc pbc, pftable
.local string name
push_eh load_error
pbc = _pbc()
pop_eh
pftable = _get_consttable(pbc)
isa_ok(pftable, "PackfileConstantTable")
.return ()
load_error:
.get_results($P0)
pop_eh
report_load_error($P0, "PackfileConstantTable")
.return()
.end
# PackfileConstantTable.elements
.sub 'test_counts'
.local pmc pf, pftable
.local int size
push_eh load_error
pf = _pbc()
pop_eh
pftable = _get_consttable(pf)
# Make sure the mark vtable is exercised and the content survives
sweep 1
size = pftable.'pmc_count'()
ok(size, "PackfileConstantTable.pmc_count returns non-zero")
size = pftable.'str_count'()
ok(size, "PackfileConstantTable.str_count returns non-zero")
size = pftable.'num_count'()
ok(size, "PackfileConstantTable.num_count returns non-zero")
.return ()
load_error:
.get_results($P0)
pop_eh
report_load_error($P0, "PackfileConstantTable.elements returns non-zero")
.return()
.end
# PackfileConstantTable.get_*_keyed_int
.sub 'test_get'
.local pmc pf, pftable
.local int size, i
push_eh load_error
pf = _pbc()
pop_eh
pftable = _get_consttable(pf)
size = pftable.'num_count'()
i = 0
num_loop:
$N0 = pftable[i]
inc i
if i < size goto num_loop
size = pftable.'str_count'()
i = 0
str_loop:
$S0 = pftable[i]
inc i
if i < size goto str_loop
size = pftable.'pmc_count'()
i = 0
pmc_loop:
$P0 = pftable[i]
inc i
if i < size goto pmc_loop
done:
ok(1, 'PackfileConstantTable.get_*_int works')
.return()
load_error:
.get_results($P0)
pop_eh
report_load_error($P0, 'PackfileConstantTable.get_*_int works')
.return()
.end
# Test setting constants into PackfileConstantTable
.sub 'test_set'
.local pmc ct
.local int size
ct = new ['PackfileConstantTable']
# Initial PackfileConstantTable is empty
$I0 = ct.'num_count'()
$I1 = ct.'str_count'()
$I2 = ct.'pmc_count'()
size = $I0 + $I1
size += $I2
is(size, 0, "Empty PackfileConstantTable created")
ct[0] = "string"
$I0 = ct.'str_count'()
is($I0, 1, "String element added")
ct[0] = 1.0
$I0 = ct.'num_count'()
is($I0, 1, "Number elements added")
$P0 = new 'Integer'
$P0 = 42
ct[0] = $P0
$I0 = ct.'pmc_count'()
is($I0, 1, "PMC elements added")
.end
.sub 'test_get_or_create'
.local pmc pfc
pfc = new 'PackfileConstantTable'
$I1 = pfc.'get_or_create_constant'('foo')
$I2 = pfc.'get_or_create_constant'('foo')
is($I1, $I2, "get_or_create_constant returs same string value for same key")
$I2 = pfc.'get_or_create_constant'('bar')
$I0 = $I1 != $I2
ok($I0, "get_or_create_constant returs different string values for different keys")
$I1 = pfc.'get_or_create_constant'(1.0)
$I2 = pfc.'get_or_create_constant'(1.0)
is($I1, $I2, "get_or_create_constant returs same number value for same key")
$I2 = pfc.'get_or_create_constant'(42.1)
$I0 = $I1 != $I2
ok($I0, "get_or_create_constant returs different number values for different keys")
$P0 = new ['FixedIntegerArray']
$P0 = 1
$P0[0] = 42
$P1 = new ['FixedIntegerArray']
$P1 = 1
$P1[0] = 42
$P2 = new ['FixedIntegerArray']
$P2 = 1
$P2[0] = 84
$I0 = pfc.'get_or_create_constant'($P0)
$I1 = pfc.'get_or_create_constant'($P1)
is($I0, $I1, "get_or_create_constant returns same index for equal PMCs")
$I2 = pfc.'get_or_create_constant'($P2)
isnt($I0, $I2, "get_or_create_constant returns different index for different PMCs")
.end
.sub 'test_subs_intact'
.local pmc pf, ct
push_eh load_error
pf = _pbc()
pop_eh
ct = _get_consttable(pf)
# force a GC run
sweep 1
.local pmc sub
sub = ct[0]
# validate assumption that ct[0] is a sub
$S0 = typeof sub
is($S0, 'Sub', 'First entry in constant table is a sub')
# sub will perform I/O, mock output fh
$P0 = getinterp
$P1 = new ['StringHandle']
$P1.'open'('','w')
$P2 = $P0.'stdout_handle'($P1)
sub()
$P0.'stdout_handle'($P2) # restore normal output handle
# if we're still here (no segfault), we pass
ok(1, "Can call Sub from PackfileConstantTable")
.return ()
load_error:
.get_results($P0)
pop_eh
report_load_error($P0, "Can call Sub from PackfileConstantTable")
.return()
.end
.sub '_get_consttable'
.param pmc pf
.local pmc dir, it
dir = pf.'get_directory'()
it = iter dir
loop:
unless it goto done
$S0 = shift it
$P0 = dir[$S0]
$I0 = isa $P0, 'PackfileConstantTable'
unless $I0 goto loop
.return ($P0)
done:
die "Can't find ConstantTable in Packfile!"
.return ()
.end
# Local Variables:
# mode: pir
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4 ft=pir: