From e8fbc27bb8213e8bc971fbce5f4c90f2e391293a Mon Sep 17 00:00:00 2001
From: Nicholas Clark <nick@ccl4.org>
Date: Mon, 14 Mar 2011 11:03:55 +0000
Subject: Convert the remainder of t/op/numconvert.t to test.pl, strict and
 warnings.

---
 t/op/numconvert.t | 49 ++++++++++++++++++++++---------------------------
 1 file changed, 22 insertions(+), 27 deletions(-)

(limited to 't/op/numconvert.t')

diff --git a/t/op/numconvert.t b/t/op/numconvert.t
index 758369e563..bfdb4880b2 100644
--- a/t/op/numconvert.t
+++ b/t/op/numconvert.t
@@ -41,7 +41,7 @@ BEGIN {
     require './test.pl';
 }
 
-use strict 'vars';
+use strict;
 
 my $max_chain = $ENV{PERL_TEST_NUMCONVERTS} || 2;
 
@@ -69,7 +69,7 @@ my $num = 0;
 $num += 10**$_ - 4**$_ for 1.. $max_chain;
 $num *= $st_t;
 $num += $::additional_tests;
-print "1..$num\n";		# In fact 15 times more subsubtests...
+plan(tests => $num);		# In fact 15 times more subsubtests...
 
 my $max_uv = ~0;
 my $max_iv = int($max_uv/2);
@@ -88,7 +88,7 @@ my @list = (1, $yet_smaller_than_iv, $smaller_than_iv, $max_iv, $max_iv + 1,
 unshift @list, (reverse map -$_, @list), 0; # 15 elts
 @list = map "$_", @list; # Normalize
 
-print "# @list\n";
+note("@list");
 
 # need to special case ++ for max_uv, as ++ "magic" on a string gives
 # another string, whereas ++ magic on a string used as a number gives
@@ -111,9 +111,6 @@ my @opnames = split //, "-+UINPuinp";
 
 # @list = map { 2->($_), 3->($_), 4->($_), 5->($_),  } @list; # Prepare input
 
-#print "@list\n";
-#print "'@ops'\n";
-
 my $test = 1;
 my $nok;
 for my $num_chain (1..$max_chain) {
@@ -123,7 +120,6 @@ for my $num_chain (1..$max_chain) {
   #@ops = ([]) unless $num_chain;
   #@ops = ([6, 4]);
 
-  # print "'@ops'\n";
   for my $op (@ops) {
     for my $first (2..5) {
       for my $last (2..5) {
@@ -175,14 +171,14 @@ for my $num_chain (1..$max_chain) {
 		if ($curop == 5) {
 		  $inpt = "$inpt"; # P 5
 		} elsif ($curop == 6) {
-		  $max_uv & $inpt; # u 6
+		  my $dummy = $max_uv & $inpt; # u 6
 		} else {
-		  use integer; $inpt + $zero;
+		  use integer; my $dummy = $inpt + $zero;
 		}
 	      } elsif ($curop == 8) {
-		$inpt + $zero;	# n 8
+		my $dummy = $inpt + $zero;	# n 8
 	      } else {
-		$inpt . "";	# p 9
+		my $dummy = $inpt . "";	# p 9
 	      }
 	    }
 
@@ -198,13 +194,14 @@ for my $num_chain (1..$max_chain) {
 	    push @ans, $inpt;
 	  }
 	  if ($ans[0] ne $ans[1]) {
-	    print "# '$ans[0]' ne '$ans[1]',\t$num\t=> @opnames[$first,@{$curops[0]},$last] vs @opnames[$first,@{$curops[1]},$last]\n";
+	    my $diag = "'$ans[0]' ne '$ans[1]',\t$num\t=> @opnames[$first,@{$curops[0]},$last] vs @opnames[$first,@{$curops[1]},$last]";
+	    my $excuse;
 	    # XXX ought to check that "+" was in the list of opnames
 	    if ((($ans[0] eq $max_uv_pp) and ($ans[1] eq $max_uv_p1))
 		or (($ans[1] eq $max_uv_pp) and ($ans[0] eq $max_uv_p1))) {
 	      # string ++ versus numeric ++. Tolerate this little
 	      # bit of insanity
-	      print "# ok, as string ++ of max_uv is \"$max_uv_pp\", numeric is $max_uv_p1\n"
+	      $excuse = "ok, as string ++ of max_uv is \"$max_uv_pp\", numeric is $max_uv_p1";
 	    } elsif ($opnames[$last] eq 'I' and $ans[1] eq "-1"
 		     and $ans[0] eq $max_uv_p1_as_iv) {
               # Max UV plus 1 is NV. This NV may stringify in E notation.
@@ -218,12 +215,12 @@ for my $num_chain (1..$max_chain) {
               # But each step of conversion is correct. So it's not an error.
               # (Only shows up for 64 bit UVs and NVs with 64 bit mantissas,
               #  and on Crays (64 bit integers, 48 bit mantissas) IIRC)
-	      print "# ok, \"$max_uv_p1\" correctly converts to IV \"$max_uv_p1_as_iv\"\n";
+	      $excuse = "ok, \"$max_uv_p1\" correctly converts to IV \"$max_uv_p1_as_iv\"";
 	    } elsif ($opnames[$last] eq 'U' and $ans[1] eq ~0
 		     and $ans[0] eq $max_uv_p1_as_uv) {
               # as aboce
-	      print "# ok, \"$max_uv_p1\" correctly converts to UV \"$max_uv_p1_as_uv\"\n";
-	    } elsif (grep {/^N$/} @opnames[@{$curops[0]}]
+	      $excuse = "ok, \"$max_uv_p1\" correctly converts to UV \"$max_uv_p1_as_uv\"";
+	    } elsif (grep {defined $_ && /^N$/} @opnames[@{$curops[0]}]
 		     and $ans[0] == $ans[1] and $ans[0] <= ~0
                      # First must be in E notation (ie not just digits) and
                      # second must still be an integer.
@@ -236,19 +233,18 @@ for my $num_chain (1..$max_chain) {
                      # I can't remember why there isn't symmetry in this
                      # exception, ie why only the first ops are tested for 'N'
                      and $ans[0] != /^-?\d+$/ and $ans[1] !~ /^-?\d+$/) {
-	      print "# ok, numerically equal - notation changed due to adding zero\n";
+	      $excuse = "ok, numerically equal - notation changed due to adding zero";
 	    } else {
 	      $nok++,
+	      diag($diag);
+	    }
+	    if ($excuse) {
+	      note($diag);
+	      note($excuse);
 	    }
 	  }
 	}
-        if ($nok) {
-          print "not ok $test\n";
-        } else {
-          print "ok $test\n";
-        }
-	#print $txt if $nok;
-	$test++;
+	ok($nok == 0);
       }
     }
   }
@@ -257,11 +253,10 @@ for my $num_chain (1..$max_chain) {
 # Tests that use test.pl start here.
 BEGIN { $::additional_tests = 4 }
 
-curr_test($test);
-
 ok(-0.0 eq "0", 'negative zero stringifies as 0');
 ok(!-0.0, "neg zero is boolean false");
-my $nz = -0.0; "$nz";
+my $nz = -0.0;
+{ my $dummy = "$nz"; }
 ok(!$nz, 'previously stringified -0.0 is boolean false');
 $nz = -0.0;
 is sprintf("%+.f", - -$nz), sprintf("%+.f", - -$nz),
-- 
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