#!./perl
-print "1..8\n";
+BEGIN {
+ chdir 't' if -d 't';
+ @INC = qw(. ../lib); # ../lib needed for test.deparse
+ require "test.pl";
+}
+
+plan tests => 35;
# compile time evaluation
# 'A' 65 ASCII
# 'A' 193 EBCDIC
-if (ord('A') == 65 || ord('A') == 193) {print "ok 1\n";} else {print "not ok 1\n";}
-print "not " unless ord(chr(500)) == 500;
-print "ok 2\n";
+ok(ord('A') == 65 || ord('A') == 193, "ord('A') is ".ord('A'));
+
+is(ord(chr(500)), 500, "compile time chr 500");
# run time evaluation
$x = 'ABC';
-if (ord($x) == 65 || ord($x) == 193) {print "ok 3\n";} else {print "not ok 3\n";}
-if (chr 65 eq 'A' || chr 193 eq 'A') {print "ok 4\n";} else {print "not ok 4\n";}
+ok(ord($x) == 65 || ord($x) == 193, "ord('$x') is ".ord($x));
-print "not " unless ord(chr(500)) == 500;
-print "ok 5\n";
+ok(chr 65 eq 'A' || chr 193 eq 'A', "chr can produce 'A'");
$x = 500;
-print "not " unless ord(chr($x)) == $x;
-print "ok 6\n";
+is(ord(chr($x)), $x, "runtime chr $x");
-print "not " unless ord("\x{1234}") == 0x1234;
-print "ok 7\n";
+is(ord("\x{1234}"), 0x1234, 'compile time ord \x{....}');
$x = "\x{1234}";
-print "not " unless ord($x) == 0x1234;
-print "ok 8\n";
+is(ord($x), 0x1234, 'runtime ord \x{....}');
+
+{
+ no warnings 'utf8'; # avoid Unicode warnings
+# The following code points are some interesting steps.
+ is(ord(chr( 0x100)), 0x100, '0x0100');
+ is(ord(chr( 0x3FF)), 0x3FF, 'last two-byte char in UTF-EBCDIC');
+ is(ord(chr( 0x400)), 0x400, 'first three-byte char in UTF-EBCDIC');
+ is(ord(chr( 0x7FF)), 0x7FF, 'last two-byte char in UTF-8');
+ is(ord(chr( 0x800)), 0x800, 'first three-byte char in UTF-8');
+ is(ord(chr( 0xFFF)), 0xFFF, '0x0FFF');
+ is(ord(chr( 0x1000)), 0x1000, '0x1000');
+ is(ord(chr( 0x3FFF)), 0x3FFF, 'last three-byte char in UTF-EBCDIC');
+ is(ord(chr( 0x4000)), 0x4000, 'first four-byte char in UTF-EBCDIC');
+ is(ord(chr( 0xCFFF)), 0xCFFF, '0xCFFF');
+ is(ord(chr( 0xD000)), 0xD000, '0xD000');
+ is(ord(chr( 0xD7FF)), 0xD7FF, '0xD7FF');
+ is(ord(chr( 0xD800)), 0xD800, 'surrogate begin (not strict utf-8)');
+ is(ord(chr( 0xDFFF)), 0xDFFF, 'surrogate end (not strict utf-8)');
+ is(ord(chr( 0xE000)), 0xE000, '0xE000');
+ is(ord(chr( 0xFDD0)), 0xFDD0, 'first additional noncharacter in BMP');
+ is(ord(chr( 0xFDEF)), 0xFDEF, 'last additional noncharacter in BMP');
+ is(ord(chr( 0xFFFE)), 0xFFFE, '0xFFFE');
+ is(ord(chr( 0xFFFF)), 0xFFFF, 'last three-byte char in UTF-8');
+ is(ord(chr( 0x10000)), 0x10000, 'first four-byte char in UTF-8');
+ is(ord(chr( 0x3FFFF)), 0x3FFFF, 'last four-byte char in UTF-EBCDIC');
+ is(ord(chr( 0x40000)), 0x40000, 'first five-byte char in UTF-EBCDIC');
+ is(ord(chr( 0xFFFFF)), 0xFFFFF, '0xFFFFF');
+ is(ord(chr(0x100000)), 0x100000, '0x100000');
+ is(ord(chr(0x10FFFF)), 0x10FFFF, 'Unicode last code point');
+ is(ord(chr(0x110000)), 0x110000, '0x110000');
+ is(ord(chr(0x1FFFFF)), 0x1FFFFF, 'last four-byte char in UTF-8');
+ is(ord(chr(0x200000)), 0x200000, 'first five-byte char in UTF-8');
+}