Initial Commit

database/perl/lib/Test/Deep/Number.pm

@@ -0,0 +1,80 @@
+use strict;
+use warnings;
+
+package Test::Deep::Number;
+
+use Test::Deep::Cmp;
+
+use Scalar::Util;
+
+sub init
+{
+  my $self = shift;
+
+  $self->{val} = shift(@_) + 0;
+  $self->{tolerance} = shift;
+}
+
+sub descend
+{
+  my $self = shift;
+  my $got = shift;
+  $self->data->{got_string} = $got;
+  {
+    no warnings 'numeric';
+    $got += 0;
+  }
+
+  $self->data->{got} = $got;
+  if (defined(my $tolerance = $self->{tolerance}))
+  {
+    return abs($got - $self->{val}) <= $tolerance;
+  }
+  else
+  {
+    return $got == $self->{val};
+  }
+}
+
+sub diag_message
+{
+  my $self = shift;
+
+  my $where = shift;
+
+  return "Comparing $where as a number";
+}
+
+sub renderGot
+{
+  my $self = shift;
+  my $val = shift;
+
+  my $got_string = $self->data->{got_string};
+  if ("$val" ne "$got_string")
+  {
+    $got_string = $self->SUPER::renderGot($got_string);
+    return "$val ($got_string)"
+  }
+  else
+  {
+    return $val;
+  }
+}
+sub renderExp
+{
+  my $self = shift;
+
+  my $exp = $self->{val};
+
+  if (defined(my $tolerance = $self->{tolerance}))
+  {
+    return "$exp +/- $tolerance";
+  }
+  else
+  {
+    return $exp;
+  }
+}
+
+1;