#!./perl
-# $RCSfile: pack.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:11 $
+BEGIN {
+ chdir 't' if -d 't';
+ unshift @INC, '../lib' if -d '../lib';
+ require Config; import Config;
+}
-print "1..60\n";
+print "1..98\n";
$format = "c2 x5 C C x s d i l a6";
# Need the expression in here to force ary[5] to be numeric. This avoids
? "ok 6\n" : "not ok 6 $x\n";
my $sum = 129; # ASCII
-$sum = 103 if ($^O eq 'os390'); # An EBCDIC variant.
+$sum = 103 if ($Config{ebcdic} eq 'define');
print +($x = unpack("%32B*", "Now is the time for all good blurfl")) == $sum
? "ok 7\n" : "not ok 7 $x\n";
# 57..60: uuencode/decode
-$in = join "", map { chr } 0..255;
+# Note that first uuencoding known 'text' data and then checking the
+# binary values of the uuencoded version would not be portable between
+# character sets. Uuencoding is meant for encoding binary data, not
+# text data.
+
+$in = pack 'C*', 0 .. 255;
# just to be anal, we do some random tr/`/ /
$uu = <<'EOUU';
print "not " unless unpack('u', $uu) eq $in;
print "ok ", $test++, "\n";
-# Note that first uuencoding known 'text' data and then checking the
-# binary values of the uuencoded version would not be portable between
-# character sets. Uuencoding is meant for encoding binary data, not
-# text data.
+# 61..72: test the ascii template types (A, a, Z)
+
+print "not " unless pack('A*', "foo\0bar\0 ") eq "foo\0bar\0 ";
+print "ok ", $test++, "\n";
+
+print "not " unless pack('A11', "foo\0bar\0 ") eq "foo\0bar\0 ";
+print "ok ", $test++, "\n";
+
+print "not " unless unpack('A*', "foo\0bar \0") eq "foo\0bar";
+print "ok ", $test++, "\n";
+
+print "not " unless unpack('A8', "foo\0bar \0") eq "foo\0bar";
+print "ok ", $test++, "\n";
+
+print "not " unless pack('a*', "foo\0bar\0 ") eq "foo\0bar\0 ";
+print "ok ", $test++, "\n";
+
+print "not " unless pack('a11', "foo\0bar\0 ") eq "foo\0bar\0 \0\0";
+print "ok ", $test++, "\n";
+
+print "not " unless unpack('a*', "foo\0bar \0") eq "foo\0bar \0";
+print "ok ", $test++, "\n";
+
+print "not " unless unpack('a8', "foo\0bar \0") eq "foo\0bar ";
+print "ok ", $test++, "\n";
+
+print "not " unless pack('Z*', "foo\0bar\0 ") eq "foo\0bar\0 ";
+print "ok ", $test++, "\n";
+
+print "not " unless pack('Z11', "foo\0bar\0 ") eq "foo\0bar\0 \0\0";
+print "ok ", $test++, "\n";
+
+print "not " unless unpack('Z*', "foo\0bar \0") eq "foo";
+print "ok ", $test++, "\n";
+
+print "not " unless unpack('Z8', "foo\0bar \0") eq "foo";
+print "ok ", $test++, "\n";
+
+# 73..78: packing native shorts/ints/longs
+
+print "not " unless length(pack("s_", 0)) == $Config{shortsize};
+print "ok ", $test++, "\n";
+
+print "not " unless length(pack("i_", 0)) == $Config{intsize};
+print "ok ", $test++, "\n";
+
+print "not " unless length(pack("l_", 0)) == $Config{longsize};
+print "ok ", $test++, "\n";
+
+print "not " unless length(pack("s_", 0)) <= length(pack("i_", 0));
+print "ok ", $test++, "\n";
+
+print "not " unless length(pack("i_", 0)) <= length(pack("l_", 0));
+print "ok ", $test++, "\n";
+
+print "not " unless length(pack("i_", 0)) == length(pack("i", 0));
+print "ok ", $test++, "\n";
+
+# 79..94: test the limits
+
+# Some possibilities for $Config{byteorder} and $Config{.*size}.
+# Note that CPUs can feature at several places.
+#
+# Config
+#
+# byteorder
+#
+# 1234 x86, vax, (DEC) mips
+# 12345678 alpha
+# 4321 sparc, ppc, hppa, (IRIX) mips, motorola
+# 87654321 sparc, mips, hppa, cray
+#
+# x86 alpha sparc cray
+# shortsize 2 2 2 8
+# intsize 4 4 4 8
+# longsize 4 8 8 8
+#
+
+print "not " unless unpack("c", pack("c", 127)) == 127;
+print "ok ", $test++, "\n";
+
+print "not " unless unpack("c", pack("c", -128)) == -128;
+print "ok ", $test++, "\n";
+
+print "not " unless unpack("C", pack("C", 255)) == 255;
+print "ok ", $test++, "\n";
+
+print "not " unless unpack("s", pack("s", 32767)) == 32767;
+print "ok ", $test++, "\n";
+
+if ($Config{shortsize} == 2) {
+ print "not " unless unpack("s", pack("s", -32768)) == -32768;
+ print "ok ", $test++, "\n";
+} else {
+ if ($Config{shortsize} == 8 && $Config{byteorder} eq '87654321') {
+ print "not " unless unpack("s_", pack("s_", -32768)) == -32768;
+ print "ok ", $test++, "\n";
+ } else {
+ print "ok ", $test++, " # skipped\n";
+ }
+}
+
+print "not " unless unpack("S", pack("S", 65535)) == 65535;
+print "ok ", $test++, "\n";
+
+print "not " unless unpack("i", pack("i", 2147483647)) == 2147483647;
+print "ok ", $test++, "\n";
+
+print "not " unless unpack("i", pack("i", -2147483648)) == -2147483648;
+print "ok ", $test++, "\n";
+
+print "not " unless unpack("I", pack("I", 4294967295)) == 4294967295;
+print "ok ", $test++, "\n";
+
+print "not " unless unpack("l", pack("l", 2147483647)) == 2147483647;
+print "ok ", $test++, "\n";
+
+if ($Config{longsize} == 4 || $Config{byteorder} eq '12345678') {
+ print "not " unless unpack("l", pack("l", -2147483648)) == -2147483648;
+ print "ok ", $test++, "\n";
+} else {
+ if ($Config{shortsize} == 8 && $Config{byteorder} eq '87654321') {
+ print "not "
+ unless unpack("l_", pack("l_", -2147483648)) == -2147483648;
+ print "ok ", $test++, "\n";
+ } else {
+ print "ok ", $test++, " # skipped\n";
+ }
+}
+
+print "not " unless unpack("L", pack("L", 4294967295)) == 4294967295;
+print "ok ", $test++, "\n";
+
+print "not " unless unpack("n", pack("n", 65535)) == 65535;
+print "ok ", $test++, "\n";
+
+if ($Config{shortsize} == 2) {
+ print "not " unless unpack("v", pack("v", 65535)) == 65535;
+ print "ok ", $test++, "\n";
+} else {
+ print "ok ", $test++, " # skipped\n";
+}
+
+print "not " unless unpack("N", pack("N", 4294967295)) == 4294967295;
+print "ok ", $test++, "\n";
+
+if ($Config{longsize} == 4 || $Config{byteorder} eq '12345678') {
+ print "not " unless unpack("V", pack("V", 4294967295)) == 4294967295;
+ print "ok ", $test++, "\n";
+} else {
+ print "ok ", $test++, " # skipped\n";
+}
+
+# 95..98 test the n/v/N/V byteorder
+
+if ($Config{byteorder} =~ /^1234(5678)?$/ ||
+ $Config{byteorder} =~ /^(8765)?4321$/) {
+
+ if ($Config{shortsize} == 2 ||
+ $Config{byteorder} eq '87654321') {
+ print "not " unless pack("n", 0xdead) eq "\xde\xad";
+ print "ok ", $test++, "\n";
+
+ if ($Config{byteorder} ne '87654321') {
+ print "not " unless pack("v", 0xdead) eq "\xad\xde";
+ print "ok ", $test++, "\n";
+ } else {
+ print "ok ", $test++, " # skipped\n";
+ }
+ } else {
+ # shortsize != 2 systems require more thought
+ foreach (95..96) {
+ print "ok ", $test++, " # skipped\n";
+ }
+ }
+
+ if ($Config{longsize} == 4 ||
+ $Config{byteorder} eq '12345678' ||
+ $Config{byteorder} eq '87654321') {
+ print "not " unless pack("N", 0xdeadbeef) eq "\xde\xad\xbe\xef";
+ print "ok ", $test++, "\n";
+
+ if ($Config{byteorder} ne '87654321') {
+ print "not " unless pack("V", 0xdeadbeef) eq "\xef\xbe\xad\xde";
+ print "ok ", $test++, "\n";
+ } else {
+ print "ok ", $test++, " # skipped\n";
+ }
+ } else {
+ # exotic longsize != 2 systems require more thought
+ foreach (97..98) {
+ print "ok ", $test++, " # skipped\n";
+ }
+ }
+} else {
+ # exotic byteorder system require more thought
+ foreach (95..98) {
+ print "ok ", $test++, " # skipped\n";
+ }
+}
projects / p5sagit/p5-mst-13.2.git / blobdiff