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#!perl
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BEGIN {
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unless ($ENV{AUTHOR_TESTING}) {
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require Test::More;
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Test::More::plan(skip_all =>
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'these tests are for testing by the author');
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}
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}
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use strict;
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use warnings;
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use Test::More tests => 3397;
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###############################################################################
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# Read and load configuration file and backend library.
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use Config::Tiny ();
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my $config_file = 't/author-lib.ini';
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my $config = Config::Tiny -> read('t/author-lib.ini')
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or die Config::Tiny -> errstr();
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# Read the library to test.
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our $LIB = $config->{_}->{lib};
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die "No library defined in file '$config_file'"
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unless defined $LIB;
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die "Invalid library name '$LIB' in file '$config_file'"
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unless $LIB =~ /^[A-Za-z]\w*(::\w+)*\z/;
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# Load the library.
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eval "require $LIB";
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die $@ if $@;
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###############################################################################
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can_ok($LIB, "_num");
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use lib "t";
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use Math::BigInt::Lib::TestUtil qw< randstr >;
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# Generate test data.
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my @data;
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push @data, 0 .. 250; # small integers
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for (my $n = 3 ; $n <= 300 ; ++ $n) {
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push @data, "1" . ("0" x $n); # powers of 10
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}
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for (my $n = 1 ; $n <= 300 ; ++ $n) {
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push @data, randstr($n, 10); # random big integers
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}
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# Tolerance for floating point number comparisons.
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my $tol = 2e-15;
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# List context.
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for (my $i = 0 ; $i <= $#data ; ++ $i) {
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my $str = $data[$i];
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my ($x, @got);
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my $test = qq|\$x = $LIB->_new("$str"); |
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. qq|\@got = $LIB->_num(\$x);|;
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diag("\n$test\n\n") if $ENV{AUTHOR_DEBUGGING};
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eval $test;
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is($@, "", "'$test' gives emtpy \$\@");
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subtest "_num() in list context: $test", sub {
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plan tests => 3,
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cmp_ok(scalar @got, "==", 1,
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"'$test' gives one output arg");
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is(ref($got[0]), "",
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"'$test' output arg is a Perl scalar");
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# If output does not use floating point notation, compare the
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# values exactly ...
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if ($got[0] =~ /^\d+\z/) {
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cmp_ok($got[0], "==", $str,
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"'$test' output value is exactly right");
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}
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# ... otherwise compare them approximatly.
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else {
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my $rel_err = abs($got[0] - $str) / $str;
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cmp_ok($rel_err, "<", $tol,
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"'$test' output value is correct within" .
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" a relative error of $tol");
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}
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};
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}
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# Scalar context.
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for (my $i = 0 ; $i <= $#data ; ++ $i) {
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my $str = $data[$i];
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my ($x, $got);
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my $test = qq|\$x = $LIB->_new("$str"); |
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. qq|\$got = $LIB->_num(\$x);|;
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diag("\n$test\n\n") if $ENV{AUTHOR_DEBUGGING};
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eval $test;
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is($@, "", "'$test' gives emtpy \$\@");
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subtest "_num() in scalar context: $test", sub {
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plan tests => 2,
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is(ref($got), "",
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"'$test' output arg is a Perl scalar");
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# If output does not use floating point notation, compare the
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# values exactly ...
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if ($got =~ /^\d+\z/) {
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cmp_ok($got, "==", $str,
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"'$test' output value is exactly right");
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}
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# ... otherwise compare them approximatly.
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else {
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my $rel_err = abs($got - $str) / $str;
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cmp_ok($rel_err, "<", $tol,
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"'$test' output value is correct within" .
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" a relative error of $tol");
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}
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};
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}
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