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# -*- Mode: CPerl -*-
# File: t/common.plt
# Description: re-usable test subs; requires Test::More
BEGIN { $| = 1; }
use strict;
# isok($label,@_) -- prints helpful label
sub isok {
local $Test::Builder::Level = $Test::Builder::Level + 1;
my $label = shift;
if (@_==1) {
ok($_[0],$label);
} elsif (@_==2) {
is($_[0],$_[1], $label);
} else {
die("isok(): expected 1 or 2 non-label arguments, but got ", scalar(@_));
}
}
# skipok($label,$skip_if_true,@_) -- prints helpful label
# skipok($label,$skip_if_true,\&CODE) -- prints helpful label
sub skipok {
local $Test::Builder::Level = $Test::Builder::Level + 1;
my ($label,$skip_if_true) = splice(@_,0,2);
if ($skip_if_true) {
subtest $label => sub { plan skip_all => $skip_if_true; };
} else {
if (@_==1 && ref($_[0]) && ref($_[0]) eq 'CODE') {
isok($label, $_[0]->());
} else {
isok($label,@_);
}
}
}
# skipordo($label,$skip_if_true,sub { ok ... },@args_for_sub)
sub skipordo {
local $Test::Builder::Level = $Test::Builder::Level + 1;
my ($label,$skip_if_true) = splice(@_,0,2);
if ($skip_if_true) {
subtest $label => sub { plan skip_all => $skip_if_true; };
} else {
$_[0]->(@_[1..$#_]);
}
}
# ulistok($label,\@got,\@expect)
# --> ok() for unsorted lists
sub ulistok {
local $Test::Builder::Level = $Test::Builder::Level + 1;
my ($label,$l1,$l2) = @_;
is_deeply([sort @$l1],[sort @$l2],$label);
}
# matchpdl($a,$b) : returns pdl identity check, including BAD
sub matchpdl {
my ($a,$b) = map {PDL->topdl($_)->setnantobad} @_[0,1];
return ($a==$b)->setbadtoval(0) | ($a->isbad & $b->isbad) | ($a->isfinite->not & $b->isfinite->not);
}
# matchpdl($a,$b,$eps) : returns pdl approximation check, including BAD
sub matchpdla {
my ($a,$b) = map {$_->setnantobad} @_[0,1];
my $eps = $_[2];
$eps = 1e-5 if (!defined($eps));
return $a->approx($b,$eps)->setbadtoval(0) | ($a->isbad & $b->isbad) | ($a->isfinite->not & $b->isfinite->not);
}
# cmp_dims($got_pdl,$expect_pdl)
sub cmp_dims {
my ($p1,$p2) = @_;
return $p1->ndims==$p2->ndims && all(pdl(PDL::long(),[$p1->dims])==pdl(PDL::long(),[$p2->dims]));
}
sub pdlstr {
my $a = shift;
return '(undef)' if (!defined($a));
my $typ = UNIVERSAL::can($a,'type') ? $a->type : 'NOTYPE';
my $str = "($typ) $a";
#$str =~ s/\n/ /g;
return $str;
}
sub labstr {
my ($label,$ok,$got,$want) = @_;
$label .= "\n : got=".pdlstr($got)."\n : wanted=".pdlstr($want) if (!$ok);
return $label;
}
# pdlok($label, $got, $want)
sub pdlok {
local $Test::Builder::Level = $Test::Builder::Level + 1;
my ($label,$got,$want) = @_;
$got = PDL->topdl($got) if (defined($got));
$want = PDL->topdl($want) if (defined($want));
my $ok = (defined($got) && defined($want)
&& cmp_dims($got,$want)
&& all(matchpdl($want,$got))
);
isok(labstr($label,$ok,$got,$want), $ok);
}
# pdlok_nodims($label, $got, $want)
# + ignores dimensions
sub pdlok_nodims {
local $Test::Builder::Level = $Test::Builder::Level + 1;
my ($label,$got,$want) = @_;
$got = PDL->topdl($got) if (defined($got));
$want = PDL->topdl($want) if (defined($want));
my $ok = (defined($got) && defined($want)
#&& cmp_dims($got,$want)
&& all(matchpdl($want,$got)));
isok(labstr($label,$ok,$got,$want), $ok);
}
# pdlapprox($label, $got, $want, $eps=1e-5)
sub pdlapprox {
local $Test::Builder::Level = $Test::Builder::Level + 1;
my ($label,$got,$want,$eps) = @_;
$got = PDL->topdl($got) if (defined($got));
$want = PDL->topdl($want) if (defined($want));
$eps = 1e-5 if (!defined($eps));
my $ok = (defined($got) && defined($want)
&& cmp_dims($got,$want)
&& all(matchpdla($want,$got,$eps)));
isok(labstr($label,$ok,$got,$want), $ok)
or diag "got=$got\nwant=$want";
}
print "loaded ", __FILE__, "\n";
1;
|
