Task One, Perl

2 files changed, 62 insertions, 0 deletions

diff --git a/challenge-266/lance-wicks/perl/lib/UCW.pm b/challenge-266/lance-wicks/perl/lib/UCW.pm
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+++ b/challenge-266/lance-wicks/perl/lib/UCW.pm
@@ -0,0 +1,38 @@
+package UCW;
+
+=pod
+
+> A word is uncommon if it appears exactly once
+> in one of the sentences and doesn’t appear in
+> other sentence.
+
+Example 1
+
+Input: $line1 = 'Mango is sweet'
+       $line2 = 'Mango is sour'
+Output: ('sweet', 'sour')
+=cut
+
+sub words {
+    my $self  = shift;
+    my $line1 = shift;
+    my $line2 = shift;
+
+    my @line1_words = split( /\s+/, $line1 );
+    my @line2_words = split( /\s+/, $line2 );
+
+    my %words;
+    for ( @line1_words, @line2_words ) {
+        $words{$_}++;
+    }
+
+    my @words;
+    for ( keys %words ) {
+        if ( $words{$_} == 1 ) {
+            push @words, $_;
+        }
+    }
+    return [ sort @words ];
+}
+
+1;
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diff --git a/challenge-266/lance-wicks/perl/t/01-ucw.t b/challenge-266/lance-wicks/perl/t/01-ucw.t
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+++ b/challenge-266/lance-wicks/perl/t/01-ucw.t
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+use Test2::V0 -target => 'UCW';
+
+subtest 'Example 1' => sub {
+    my $line1 = 'Mango is sweet';
+    my $line2 = 'Mango is sour';
+
+    is $CLASS->words( $line1, $line2 ), [ 'sour', 'sweet' ];
+};
+
+subtest 'Example 2' => sub {
+    my $line1 = 'Mango Mango';
+    my $line2 = 'Orange';
+
+    is $CLASS->words( $line1, $line2 ), ['Orange'];
+};
+
+subtest 'Example 3' => sub {
+    my $line1 = 'Mango is Mango';
+    my $line2 = 'Orange is Orange';
+
+    is $CLASS->words( $line1, $line2 ), [];
+};
+
+done_testing;
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