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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
use lib "t";
use testcase "t::pieces";
BEGIN { $^H{"t::pieces/permit"} = 1; }
my $ret;
{
$ret = piecearithexpr "a term";
is( $ret, "(a term)", 'a single term' );
}
# arithexpr vs concat
{
$ret = piecearithexpr "x" . "y";
is( $ret, "(xy)", 'arithexpr consumes concat' );
}
# arithexpr vs comma
{
$ret = join "", "x", piecearithexpr "inside", "y";
is( $ret, "x(inside)y", 'arithexpr stops before comma' );
}
# arithexpr in piece1 can act as entire parens
{
$ret = piecearithexpr( "x" ) . "y";
is( $ret, "(x)y", 'arithexpr treats (PARENS) as entire expression' );
}
# optional arithexpr
{
my $ret1 = piecearithexpr_opt "term";
my $ret2 = piecearithexpr_opt;
is( $ret1, "(term)", 'optional arithexpr with value' );
is( $ret2, undef, 'optional arithexpr empty' );
}
done_testing;
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