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|
#! /usr/bin/perl
#---------------------------------------------------------------------
# 20-unicode.t
#---------------------------------------------------------------------
use 5.008;
use strict;
use warnings;
use utf8;
use Test::More;
# Load Test::Differences, if available:
BEGIN {
# SUGGEST PREREQ: Test::Differences
if (eval "use Test::Differences; 1") {
# Not all versions of Test::Differences support changing the style:
eval { Test::Differences::unified_diff() }
} else {
*eq_or_diff = \&is; # Just use "is" instead
}
} # end BEGIN
use Text::Wrapper;
my $generate = (@ARGV and $ARGV[0] eq 'print');
if ($generate) {
open(OUT, '>:utf8', '/tmp/20-unicode.t') or die;
print OUT "\n__DATA__\n";
} else {
plan tests => 4;
}
#---------------------------------------------------------------------
# Now try each set of parameters and compare it to the expected result:
# (Or, if invoked as '20-unicode.t print', print out the actual
# results and parameters in the required format.)
my ($name, $text, @args);
while (<DATA>) {
print OUT $_ if $generate;
if (/^\* (.+)/) {
$name = $1;
defined($_ = <DATA>) or die;
print OUT $_ if $generate;
@args = eval $_;
$text = '';
} elsif ($_ eq "===\n") {
# Read the expected results:
my $expected = '';
while (<DATA>) {
last if $_ eq "---\n";
$expected .= $_;
}
# Remove single line breaks, and condense double line breaks into one:
$text =~ s/\n(?=\S)/ /g;
$text =~ s/\n /\n/g;
my $w = Text::Wrapper->new(@args);
my $result = $w->wrap($text);
if ($generate) { print OUT "$result---\n" }
else {
# Make Unicode characters visible in output:
for ($result, $expected) {
s/([\xA0\x{100}-\x{feff}])/ sprintf '{%X}', ord $1 /eg;
}
eq_or_diff($result, $expected, $name)
}
undef $name;
@args = ();
} elsif (/^#/) {
# comment
} else {
$text .= $_;
}
} # end forever
#---------------------------------------------------------------------
# Here are test cases.
# Don't forget to change the count in the "plan tests" line.
__DATA__
* unusual spaces
(columns => 40)
Fourscore and seven years ago our fathers brought forth on this continent a new nation, conceived in liberty and dedicated to the proposition that all men are created equal.
===
Fourscore and seven years ago our
fathers brought forth on this continent
a new nation, conceived in liberty and
dedicated to the proposition that all
men are created equal.
---
* break after dashes
(columns => 40, wrap_after => "-\x{2013}\x{2014}")
Fourscore and seven years ago our-fathers brought forth on this
continent—a new nation, conceived in liberty and–dedicated to the
proposition that all men are created equal.
===
Fourscore and seven years ago our-
fathers brought forth on this continent—
a new nation, conceived in liberty and–
dedicated to the proposition that all
men are created equal.
---
* do not break after dashes
(columns => 40)
Fourscore and seven years ago our-fathers brought forth on this
continent—a new nation, conceived in liberty and–dedicated to the
proposition that all men are created equal.
===
Fourscore and seven years ago our-
fathers brought forth on this
continent—a new nation, conceived in
liberty and–dedicated to the proposition
that all men are created equal.
---
* "zero-width" spaces
(columns => 40)
Fourscoreandsevenyearsagoourfathersbroughtforthonthiscontinentanewnation,conceivedinlibertyanddedicatedtothepropositionthatallmenarecreatedequal.
===
Fourscoreandsevenyearsagoour
fathersbroughtforthonthiscontinent
anewnation,conceivedinlibertyand
dedicatedtothepropositionthatall
menarecreatedequal.
---
# Local Variables:
# compile-command: "perl 20-unicode.t print"
# End:
|
