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#!perl
use strict;
use warnings;
use Test::More tests => 4;
BEGIN {
use_ok('Math::Symbolic');
}
if ($ENV{TEST_YAPP_PARSER}) {
require Math::Symbolic::Parser::Yapp;
$Math::Symbolic::Parser = Math::Symbolic::Parser::Yapp->new();
}
use Math::Symbolic::ExportConstants qw/:all/;
my $tree;
my $str;
undef $@;
eval <<'HERE';
$tree = Math::Symbolic->parse_from_string('sinh(2)');
HERE
$str = $tree->to_string();
$str =~ s/\s+//g;
ok( ( !$@ and $str eq 'sinh(2)' ), "Parsing hyperbolic sine" );
undef $@;
eval <<'HERE';
$tree = Math::Symbolic->parse_from_string('cosh(2)');
HERE
$str = $tree->to_string();
$str =~ s/\s+//g;
ok( ( !$@ and $str eq 'cosh(2)' ), 'Parsing hyperbolic cosine' );
undef $@;
eval <<'HERE';
$tree = Math::Symbolic->parse_from_string(
'tan(log(cosh(2),sin(2*1*3+1*3)*sinh(0)))'
);
HERE
$str = $tree->to_string();
$str =~ s/\s+//g;
ok(
( !$@ and $str eq 'tan(log(cosh(2),(sin(((2*1)*3)+(1*3)))*(sinh(0))))' ),
'Parsing more complicated string involving sinh/cosh/tan.'
);
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