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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 => 14389;
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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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# Read the reference type(s) the library uses.
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our $REF = $config->{_}->{ref};
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die "No reference type defined in file '$config_file'"
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unless defined $REF;
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die "Invalid reference type '$REF' in file '$config_file'"
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unless $REF =~ /^[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, '_sqrt');
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my @data;
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# Small numbers.
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for (my $x = 0; $x <= 2500 ; ++ $x) {
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push @data, [ $x, int sqrt $x ];
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}
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# Powers of ten and nearby cases, e.g.,
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#
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# 9999 ** (1/2) => 99
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# 10000 ** (1/2) => 100
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# 10001 ** (1/2) => 100
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{
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my $max = 100;
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my $entry;
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for (my $e = 1 ; $e <= int($max / 2); ++ $e) {
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$entry = [ ("9" x ($e * 2)), "9" x $e ];
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push @data, $entry if length("@$entry") < $max;
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$entry = [ "1" . ("0" x ($e * 2)), "1" . ("0" x $e) ];
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push @data, $entry if length("@$entry") < $max;
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$entry = [ "1" . ("0" x ($e * 2 - 1)) . "1", "1" . ("0" x $e) ];
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push @data, $entry if length("@$entry") < $max;
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}
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}
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# Add data in data file.
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(my $datafile = $0) =~ s/\.t/.dat/;
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open DATAFILE, $datafile or die "$datafile: can't open file for reading: $!";
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while (<DATAFILE>) {
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s/\s+\z//;
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next if /^#/;
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push @data, [ /^(\d+):(\d+)$/ ];
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}
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close DATAFILE or die "$datafile: can't close file after reading: $!";
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# List context.
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for (my $i = 0 ; $i <= $#data ; ++ $i) {
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my ($in0, $out0) = @{ $data[$i] };
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my ($x, @got);
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my $test = qq|\$x = $LIB->_new("$in0"); |
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. qq|\@got = $LIB->_sqrt(\$x);|;
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diag("\n$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 "_sqrt() in list context: $test", sub {
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plan tests => 6,
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cmp_ok(scalar @got, "==", 1,
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"'$test' gives one output arg");
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is(ref($got[0]), $REF,
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"'$test' output arg is a $REF");
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is($LIB->_check($got[0]), 0,
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"'$test' output is valid");
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is($LIB->_str($got[0]), $out0,
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"'$test' output arg has the right value");
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is(ref($x), $REF,
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"'$test' first input arg is still a $REF");
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ok($LIB->_str($x) eq $out0 || $LIB->_str($x) eq $in0,
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"'$test' input arg has the correct value");
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};
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}
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# Scalar context.
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for (my $i = 0 ; $i <= $#data ; ++ $i) {
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my ($in0, $out0) = @{ $data[$i] };
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my ($x, $got);
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my $test = qq|\$x = $LIB->_new("$in0"); |
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. qq|\$got = $LIB->_sqrt(\$x);|;
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diag("\n$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 "_sqrt() in scalar context: $test", sub {
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plan tests => 5,
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is(ref($got), $REF,
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"'$test' output arg is a $REF");
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is($LIB->_check($got), 0,
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"'$test' output is valid");
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is($LIB->_str($got), $out0,
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"'$test' output arg has the right value");
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is(ref($x), $REF,
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"'$test' first input arg is still a $REF");
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ok($LIB->_str($x) eq $out0 || $LIB->_str($x) eq $in0,
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"'$test' input arg has the correct value");
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};
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}
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