my $test_count = -1;
foreach my $test (@tests) {
- $test_count++;
- next if $test_count % $num_test_files != $::TEST_CHUNK;
-
- my ($testname, $bytes, $allowed_uv, $needed_to_discern_len) = @$test;
-
- my $length = length $bytes;
- my $initially_overlong = $testname =~ /overlong/;
- my $initially_orphan = $testname =~ /orphan/;
- my $will_overflow = $allowed_uv < 0;
-
- my $uv_string = sprintf(($allowed_uv < 0x100) ? "%02X" : "%04X", $allowed_uv);
- my $display_bytes = display_bytes($bytes);
-
- my $controlling_warning_category;
- my $utf8n_flag_to_warn;
- my $utf8n_flag_to_disallow;
- my $uvchr_flag_to_warn;
- my $uvchr_flag_to_disallow;
-
- # We want to test that the independent flags are actually independent.
- # For example, that a surrogate doesn't trigger a non-character warning,
- # and conversely, turning off an above-Unicode flag doesn't suppress a
- # surrogate warning. Earlier versions of this file used nested loops to
- # test all possible combinations. But that creates lots of tests, making
- # this run too long. What is now done instead is to use the complement of
- # the category we are testing to greatly reduce the combinatorial
- # explosion. For example, if we have a surrogate and we aren't expecting
- # a warning about it, we set all the flags for non-surrogates to raise
- # warnings. If one shows up, it indicates the flags aren't independent.
- my $utf8n_flag_to_warn_complement;
- my $utf8n_flag_to_disallow_complement;
- my $uvchr_flag_to_warn_complement;
- my $uvchr_flag_to_disallow_complement;
-
- # Many of the code points being tested are middling in that if code point
- # edge cases work, these are very likely to as well. Because this test
- # file takes a while to execute, we skip testing the edge effects of code
- # points deemed middling, while testing their basics and continuing to
- # fully test the non-middling code points.
- my $skip_most_tests = 0;
-
- my $cp_message_qr; # Pattern that matches the message raised when
- # that message contains the problematic code
- # point. The message is the same (currently) both
- # when going from/to utf8.
- my $non_cp_trailing_text; # The suffix text when the message doesn't
- # contain a code point. (This is a result of
- # some sort of malformation that means we
- # can't get an exact code poin
- my $extended_cp_message_qr = qr/\QCode point 0x$uv_string is not Unicode,\E
- \Q requires a Perl extension, and so is not\E
- \Q portable\E/x;
- my $extended_non_cp_trailing_text
- = "is a Perl extension, and so is not portable";
-
- # What bytes should have been used to specify a code point that has been
- # specified as an overlong.
- my $correct_bytes_for_overlong;
-
- # Is this test malformed from the beginning? If so, we know to generally
- # expect that the tests will show it isn't valid.
- my $initially_malformed = 0;
-
- if ($initially_overlong || $initially_orphan) {
- $non_cp_trailing_text = "if you see this, there is an error";
- $cp_message_qr = qr/\Q$non_cp_trailing_text\E/;
- $initially_malformed = 1;
- $utf8n_flag_to_warn = 0;
- $utf8n_flag_to_disallow = 0;
-
- $utf8n_flag_to_warn_complement = $::UTF8_WARN_SURROGATE;
- $utf8n_flag_to_disallow_complement = $::UTF8_DISALLOW_SURROGATE;
- if (! $will_overflow && $allowed_uv <= 0x10FFFF) {
- $utf8n_flag_to_warn_complement |= $::UTF8_WARN_SUPER;
- $utf8n_flag_to_disallow_complement |= $::UTF8_DISALLOW_SUPER;
- if (($allowed_uv & 0xFFFF) != 0xFFFF) {
- $utf8n_flag_to_warn_complement |= $::UTF8_WARN_NONCHAR;
- $utf8n_flag_to_disallow_complement |= $::UTF8_DISALLOW_NONCHAR;
- }
- }
- if (! is_extended_utf8($bytes)) {
- $utf8n_flag_to_warn_complement |= $::UTF8_WARN_PERL_EXTENDED;
- $utf8n_flag_to_disallow_complement |= $::UTF8_DISALLOW_PERL_EXTENDED;
- }
-
- $controlling_warning_category = 'utf8';
-
- if ($initially_overlong) {
- if (! defined $needed_to_discern_len) {
- $needed_to_discern_len = overlong_discern_len($bytes);
- }
- $correct_bytes_for_overlong = display_bytes_no_quotes(chr $allowed_uv);
- }
- }
- elsif($will_overflow || $allowed_uv > 0x10FFFF) {
-
- # Set the SUPER flags; later, we test for PERL_EXTENDED as well.
- $utf8n_flag_to_warn = $::UTF8_WARN_SUPER;
- $utf8n_flag_to_disallow = $::UTF8_DISALLOW_SUPER;
- $uvchr_flag_to_warn = $::UNICODE_WARN_SUPER;
- $uvchr_flag_to_disallow = $::UNICODE_DISALLOW_SUPER;;
-
- # Below, we add the flags for non-perl_extended to the code points
- # that don't fit that category. Special tests are done for this
- # category in the inner loop.
- $utf8n_flag_to_warn_complement = $::UTF8_WARN_NONCHAR
- |$::UTF8_WARN_SURROGATE;
- $utf8n_flag_to_disallow_complement = $::UTF8_DISALLOW_NONCHAR
- |$::UTF8_DISALLOW_SURROGATE;
- $uvchr_flag_to_warn_complement = $::UNICODE_WARN_NONCHAR
- |$::UNICODE_WARN_SURROGATE;
- $uvchr_flag_to_disallow_complement = $::UNICODE_DISALLOW_NONCHAR
- |$::UNICODE_DISALLOW_SURROGATE;
- $controlling_warning_category = 'non_unicode';
-
- if ($will_overflow) { # This is realy a malformation
- $non_cp_trailing_text = "if you see this, there is an error";
- $cp_message_qr = qr/\Q$non_cp_trailing_text\E/;
- $initially_malformed = 1;
- if (! defined $needed_to_discern_len) {
- $needed_to_discern_len = overflow_discern_len($length);
- }
- }
- elsif (requires_extended_utf8($allowed_uv)) {
- $cp_message_qr = $extended_cp_message_qr;
- $non_cp_trailing_text = $extended_non_cp_trailing_text;
- $needed_to_discern_len = 1 unless defined $needed_to_discern_len;
- }
- else {
- $cp_message_qr = qr/\QCode point 0x$uv_string is not Unicode,\E
- \Q may not be portable\E/x;
- $non_cp_trailing_text = "is for a non-Unicode code point, may not"
- . " be portable";
- $utf8n_flag_to_warn_complement |= $::UTF8_WARN_PERL_EXTENDED;
- $utf8n_flag_to_disallow_complement
- |= $::UTF8_DISALLOW_PERL_EXTENDED;
- $uvchr_flag_to_warn_complement |= $::UNICODE_WARN_PERL_EXTENDED;
- $uvchr_flag_to_disallow_complement
- |= $::UNICODE_DISALLOW_PERL_EXTENDED;
- }
- }
- elsif ($allowed_uv >= 0xD800 && $allowed_uv <= 0xDFFF) {
- $cp_message_qr = qr/UTF-16 surrogate U\+$uv_string/;
- $non_cp_trailing_text = "is for a surrogate";
- $needed_to_discern_len = 2 unless defined $needed_to_discern_len;
- $skip_most_tests = 1 if $allowed_uv > 0xD800 && $allowed_uv < 0xDFFF;
-
- $utf8n_flag_to_warn = $::UTF8_WARN_SURROGATE;
- $utf8n_flag_to_disallow = $::UTF8_DISALLOW_SURROGATE;
- $uvchr_flag_to_warn = $::UNICODE_WARN_SURROGATE;
- $uvchr_flag_to_disallow = $::UNICODE_DISALLOW_SURROGATE;;
-
- $utf8n_flag_to_warn_complement = $::UTF8_WARN_NONCHAR
- |$::UTF8_WARN_SUPER
- |$::UTF8_WARN_PERL_EXTENDED;
- $utf8n_flag_to_disallow_complement = $::UTF8_DISALLOW_NONCHAR
- |$::UTF8_DISALLOW_SUPER
- |$::UTF8_DISALLOW_PERL_EXTENDED;
- $uvchr_flag_to_warn_complement = $::UNICODE_WARN_NONCHAR
- |$::UNICODE_WARN_SUPER
- |$::UNICODE_WARN_PERL_EXTENDED;
- $uvchr_flag_to_disallow_complement = $::UNICODE_DISALLOW_NONCHAR
- |$::UNICODE_DISALLOW_SUPER
- |$::UNICODE_DISALLOW_PERL_EXTENDED;
- $controlling_warning_category = 'surrogate';
- }
- elsif ( ($allowed_uv >= 0xFDD0 && $allowed_uv <= 0xFDEF)
- || ($allowed_uv & 0xFFFE) == 0xFFFE)
- {
- $cp_message_qr = qr/\QUnicode non-character U+$uv_string\E
- \Q is not recommended for open interchange\E/x;
- $non_cp_trailing_text = "if you see this, there is an error";
- $needed_to_discern_len = $length unless defined $needed_to_discern_len;
- if ( ($allowed_uv > 0xFDD0 && $allowed_uv < 0xFDEF)
- || ($allowed_uv > 0xFFFF && $allowed_uv < 0x10FFFE))
- {
- $skip_most_tests = 1;
- }
-
- $utf8n_flag_to_warn = $::UTF8_WARN_NONCHAR;
- $utf8n_flag_to_disallow = $::UTF8_DISALLOW_NONCHAR;
- $uvchr_flag_to_warn = $::UNICODE_WARN_NONCHAR;
- $uvchr_flag_to_disallow = $::UNICODE_DISALLOW_NONCHAR;;
-
- $utf8n_flag_to_warn_complement = $::UTF8_WARN_SURROGATE
- |$::UTF8_WARN_SUPER
- |$::UTF8_WARN_PERL_EXTENDED;
- $utf8n_flag_to_disallow_complement = $::UTF8_DISALLOW_SURROGATE
- |$::UTF8_DISALLOW_SUPER
- |$::UTF8_DISALLOW_PERL_EXTENDED;
- $uvchr_flag_to_warn_complement = $::UNICODE_WARN_SURROGATE
- |$::UNICODE_WARN_SUPER
- |$::UNICODE_WARN_PERL_EXTENDED;
- $uvchr_flag_to_disallow_complement = $::UNICODE_DISALLOW_SURROGATE
- |$::UNICODE_DISALLOW_SUPER
- |$::UNICODE_DISALLOW_PERL_EXTENDED;
-
- $controlling_warning_category = 'nonchar';
- }
- else {
- die "Can't figure out what type of warning to test for $testname"
- }
-
- die 'Didn\'t set $needed_to_discern_len for ' . $testname
- unless defined $needed_to_discern_len;
-
- # We try various combinations of malformations that can occur
- foreach my $short (0, 1) {
- next if $skip_most_tests && $short;
- foreach my $unexpected_noncont (0, 1) {
- next if $skip_most_tests && $unexpected_noncont;
- foreach my $overlong (0, 1) {
- next if $overlong && $skip_most_tests;
- next if $initially_overlong && ! $overlong;
-
- # If we're creating an overlong, it can't be longer than the
- # maximum length, so skip if we're already at that length.
- next if (! $initially_overlong && $overlong)
- && $length >= $::max_bytes;
-
- my $this_cp_message_qr = $cp_message_qr;
- my $this_non_cp_trailing_text = $non_cp_trailing_text;
-
- foreach my $malformed_allow_type (0..2) {
- # 0 don't allow this malformation; ignored if no malformation
- # 1 allow, with REPLACEMENT CHARACTER returned
- # 2 allow, with intended code point returned. All malformations
- # other than overlong can't determine the intended code point,
- # so this isn't valid for them.
- next if $malformed_allow_type == 2
- && ($will_overflow || $short || $unexpected_noncont);
- next if $skip_most_tests && $malformed_allow_type;
-
- # Here we are in the innermost loop for malformations. So we
- # know which ones are in effect. Can now change the input to be
- # appropriately malformed. We also can set up certain other
- # things now, like whether we expect a return flag from this
- # malformation, and which flag.
-
- my $this_bytes = $bytes;
- my $this_length = $length;
- my $this_expected_len = $length;
- my $this_needed_to_discern_len = $needed_to_discern_len;
-
- my @malformation_names;
- my @expected_malformation_warnings;
- my @expected_malformation_return_flags;
-
- # Contains the flags for any allowed malformations. Currently no
- # combinations of on/off are tested for. It's either all are
- # allowed, or none are.
- my $allow_flags = 0;
- my $overlong_is_in_perl_extended_utf8 = 0;
- my $dont_use_overlong_cp = 0;
-
- if ($initially_orphan) {
- next if $overlong || $short || $unexpected_noncont;
- }
-
- if ($overlong) {
- if (! $initially_overlong) {
- my $new_expected_len;
-
- # To force this malformation, we convert the original start
- # byte into a continuation byte with the same data bits as
- # originally. ...
- my $start_byte = substr($this_bytes, 0, 1);
- my $converted_to_continuation_byte
- = start_byte_to_cont($start_byte);
-
- # ... Then we prepend it with a known overlong sequence.
- # This should evaluate to the exact same code point as the
- # original. We try to avoid an overlong using Perl
- # extended UTF-8. The code points are the highest
- # representable as overlongs on the respective platform
- # without using extended UTF-8.
- if (native_to_I8($start_byte) lt "\xFC") {
- $start_byte = I8_to_native("\xFC");
- $new_expected_len = 6;
- }
- elsif (! isASCII && native_to_I8($start_byte) lt "\xFE") {
+ $test_count++;
+ next if $test_count % $num_test_files != $::TEST_CHUNK;
+
+ my ($testname, $bytes, $allowed_uv, $needed_to_discern_len) = @$test;
+
+ my $length = length $bytes;
+ my $initially_overlong = $testname =~ /overlong/;
+ my $initially_orphan = $testname =~ /orphan/;
+ my $will_overflow = $allowed_uv < 0;
+
+ my $uv_string = sprintf(($allowed_uv < 0x100) ? "%02X" : "%04X", $allowed_uv);
+ my $display_bytes = display_bytes($bytes);
+
+ my $controlling_warning_category;
+ my $utf8n_flag_to_warn;
+ my $utf8n_flag_to_disallow;
+ my $uvchr_flag_to_warn;
+ my $uvchr_flag_to_disallow;
+
+ # We want to test that the independent flags are actually independent.
+ # For example, that a surrogate doesn't trigger a non-character warning,
+ # and conversely, turning off an above-Unicode flag doesn't suppress a
+ # surrogate warning. Earlier versions of this file used nested loops to
+ # test all possible combinations. But that creates lots of tests, making
+ # this run too long. What is now done instead is to use the complement of
+ # the category we are testing to greatly reduce the combinatorial
+ # explosion. For example, if we have a surrogate and we aren't expecting
+ # a warning about it, we set all the flags for non-surrogates to raise
+ # warnings. If one shows up, it indicates the flags aren't independent.
+ my $utf8n_flag_to_warn_complement;
+ my $utf8n_flag_to_disallow_complement;
+ my $uvchr_flag_to_warn_complement;
+ my $uvchr_flag_to_disallow_complement;
+
+ # Many of the code points being tested are middling in that if code point
+ # edge cases work, these are very likely to as well. Because this test
+ # file takes a while to execute, we skip testing the edge effects of code
+ # points deemed middling, while testing their basics and continuing to
+ # fully test the non-middling code points.
+ my $skip_most_tests = 0;
+
+ my $cp_message_qr; # Pattern that matches the message raised when
+ # that message contains the problematic code
+ # point. The message is the same (currently) both
+ # when going from/to utf8.
+ my $non_cp_trailing_text; # The suffix text when the message doesn't
+ # contain a code point. (This is a result of
+ # some sort of malformation that means we
+ # can't get an exact code poin
+ my $extended_cp_message_qr = qr/\QCode point 0x$uv_string is not Unicode,\E
+ \Q requires a Perl extension, and so is not\E
+ \Q portable\E/x;
+ my $extended_non_cp_trailing_text
+ = "is a Perl extension, and so is not portable";
+
+ # What bytes should have been used to specify a code point that has been
+ # specified as an overlong.
+ my $correct_bytes_for_overlong;
+
+ # Is this test malformed from the beginning? If so, we know to generally
+ # expect that the tests will show it isn't valid.
+ my $initially_malformed = 0;
+
+ if ($initially_overlong || $initially_orphan) {
+ $non_cp_trailing_text = "if you see this, there is an error";
+ $cp_message_qr = qr/\Q$non_cp_trailing_text\E/;
+ $initially_malformed = 1;
+ $utf8n_flag_to_warn = 0;
+ $utf8n_flag_to_disallow = 0;
+
+ $utf8n_flag_to_warn_complement = $::UTF8_WARN_SURROGATE;
+ $utf8n_flag_to_disallow_complement = $::UTF8_DISALLOW_SURROGATE;
+ if (! $will_overflow && $allowed_uv <= 0x10FFFF) {
+ $utf8n_flag_to_warn_complement |= $::UTF8_WARN_SUPER;
+ $utf8n_flag_to_disallow_complement |= $::UTF8_DISALLOW_SUPER;
+ if (($allowed_uv & 0xFFFF) != 0xFFFF) {
+ $utf8n_flag_to_warn_complement |= $::UTF8_WARN_NONCHAR;
+ $utf8n_flag_to_disallow_complement |= $::UTF8_DISALLOW_NONCHAR;
+ }
+ }
+ if (! is_extended_utf8($bytes)) {
+ $utf8n_flag_to_warn_complement |= $::UTF8_WARN_PERL_EXTENDED;
+ $utf8n_flag_to_disallow_complement |= $::UTF8_DISALLOW_PERL_EXTENDED;
+ }
- # FE is not extended UTF-8 on EBCDIC
- $start_byte = I8_to_native("\xFE");
- $new_expected_len = 7;
- }
- else { # Must use extended UTF-8. On ASCII platforms, we
- # could express some overlongs here starting with
- # \xFE, but there's no real reason to do so.
- $overlong_is_in_perl_extended_utf8 = 1;
- $start_byte = I8_to_native("\xFF");
- $new_expected_len = $::max_bytes;
- $this_cp_message_qr = $extended_cp_message_qr;
-
- # The warning that gets raised doesn't include the
- # code point in the message if the code point can be
- # expressed without using extended UTF-8, but the
- # particular overlong sequence used is in extended
- # UTF-8. To do otherwise would be confusing to the
- # user, as it would claim the code point requires
- # extended, when it doesn't.
- $dont_use_overlong_cp = 1
- unless requires_extended_utf8($allowed_uv);
- $this_non_cp_trailing_text
- = $extended_non_cp_trailing_text;
- }
+ $controlling_warning_category = 'utf8';
- # Splice in the revise continuation byte, preceded by the
- # start byte and the proper number of the lowest
- # continuation bytes.
- $this_bytes = $start_byte
- . ($native_lowest_continuation_chr
- x ( $new_expected_len
- - 1
- - length($this_bytes)))
- . $converted_to_continuation_byte
- . substr($this_bytes, 1);
- $this_length = length($this_bytes);
- $this_needed_to_discern_len = $new_expected_len
- - ( $this_expected_len
- - $this_needed_to_discern_len);
- $this_expected_len = $new_expected_len;
- }
- }
-
- if ($short) {
+ if ($initially_overlong) {
+ if (! defined $needed_to_discern_len) {
+ $needed_to_discern_len = overlong_discern_len($bytes);
+ }
+ $correct_bytes_for_overlong = display_bytes_no_quotes(chr $allowed_uv);
+ }
+ }
+ elsif($will_overflow || $allowed_uv > 0x10FFFF) {
+
+ # Set the SUPER flags; later, we test for PERL_EXTENDED as well.
+ $utf8n_flag_to_warn = $::UTF8_WARN_SUPER;
+ $utf8n_flag_to_disallow = $::UTF8_DISALLOW_SUPER;
+ $uvchr_flag_to_warn = $::UNICODE_WARN_SUPER;
+ $uvchr_flag_to_disallow = $::UNICODE_DISALLOW_SUPER;;
+
+ # Below, we add the flags for non-perl_extended to the code points
+ # that don't fit that category. Special tests are done for this
+ # category in the inner loop.
+ $utf8n_flag_to_warn_complement = $::UTF8_WARN_NONCHAR
+ |$::UTF8_WARN_SURROGATE;
+ $utf8n_flag_to_disallow_complement = $::UTF8_DISALLOW_NONCHAR
+ |$::UTF8_DISALLOW_SURROGATE;
+ $uvchr_flag_to_warn_complement = $::UNICODE_WARN_NONCHAR
+ |$::UNICODE_WARN_SURROGATE;
+ $uvchr_flag_to_disallow_complement = $::UNICODE_DISALLOW_NONCHAR
+ |$::UNICODE_DISALLOW_SURROGATE;
+ $controlling_warning_category = 'non_unicode';
+
+ if ($will_overflow) { # This is realy a malformation
+ $non_cp_trailing_text = "if you see this, there is an error";
+ $cp_message_qr = qr/\Q$non_cp_trailing_text\E/;
+ $initially_malformed = 1;
+ if (! defined $needed_to_discern_len) {
+ $needed_to_discern_len = overflow_discern_len($length);
+ }
+ }
+ elsif (requires_extended_utf8($allowed_uv)) {
+ $cp_message_qr = $extended_cp_message_qr;
+ $non_cp_trailing_text = $extended_non_cp_trailing_text;
+ $needed_to_discern_len = 1 unless defined $needed_to_discern_len;
+ }
+ else {
+ $cp_message_qr = qr/\QCode point 0x$uv_string is not Unicode,\E
+ \Q may not be portable\E/x;
+ $non_cp_trailing_text = "is for a non-Unicode code point, may not"
+ . " be portable";
+ $utf8n_flag_to_warn_complement |= $::UTF8_WARN_PERL_EXTENDED;
+ $utf8n_flag_to_disallow_complement
+ |= $::UTF8_DISALLOW_PERL_EXTENDED;
+ $uvchr_flag_to_warn_complement |= $::UNICODE_WARN_PERL_EXTENDED;
+ $uvchr_flag_to_disallow_complement
+ |= $::UNICODE_DISALLOW_PERL_EXTENDED;
+ }
+ }
+ elsif ($allowed_uv >= 0xD800 && $allowed_uv <= 0xDFFF) {
+ $cp_message_qr = qr/UTF-16 surrogate U\+$uv_string/;
+ $non_cp_trailing_text = "is for a surrogate";
+ $needed_to_discern_len = 2 unless defined $needed_to_discern_len;
+ $skip_most_tests = 1 if $allowed_uv > 0xD800 && $allowed_uv < 0xDFFF;
+
+ $utf8n_flag_to_warn = $::UTF8_WARN_SURROGATE;
+ $utf8n_flag_to_disallow = $::UTF8_DISALLOW_SURROGATE;
+ $uvchr_flag_to_warn = $::UNICODE_WARN_SURROGATE;
+ $uvchr_flag_to_disallow = $::UNICODE_DISALLOW_SURROGATE;;
+
+ $utf8n_flag_to_warn_complement = $::UTF8_WARN_NONCHAR
+ |$::UTF8_WARN_SUPER
+ |$::UTF8_WARN_PERL_EXTENDED;
+ $utf8n_flag_to_disallow_complement = $::UTF8_DISALLOW_NONCHAR
+ |$::UTF8_DISALLOW_SUPER
+ |$::UTF8_DISALLOW_PERL_EXTENDED;
+ $uvchr_flag_to_warn_complement = $::UNICODE_WARN_NONCHAR
+ |$::UNICODE_WARN_SUPER
+ |$::UNICODE_WARN_PERL_EXTENDED;
+ $uvchr_flag_to_disallow_complement = $::UNICODE_DISALLOW_NONCHAR
+ |$::UNICODE_DISALLOW_SUPER
+ |$::UNICODE_DISALLOW_PERL_EXTENDED;
+ $controlling_warning_category = 'surrogate';
+ }
+ elsif ( ($allowed_uv >= 0xFDD0 && $allowed_uv <= 0xFDEF)
+ || ($allowed_uv & 0xFFFE) == 0xFFFE)
+ {
+ $cp_message_qr = qr/\QUnicode non-character U+$uv_string\E
+ \Q is not recommended for open interchange\E/x;
+ $non_cp_trailing_text = "if you see this, there is an error";
+ $needed_to_discern_len = $length unless defined $needed_to_discern_len;
+ if ( ($allowed_uv > 0xFDD0 && $allowed_uv < 0xFDEF)
+ || ($allowed_uv > 0xFFFF && $allowed_uv < 0x10FFFE))
+ {
+ $skip_most_tests = 1;
+ }
- # To force this malformation, just tell the test to not look
- # as far as it should into the input.
- $this_length--;
- $this_expected_len--;
+ $utf8n_flag_to_warn = $::UTF8_WARN_NONCHAR;
+ $utf8n_flag_to_disallow = $::UTF8_DISALLOW_NONCHAR;
+ $uvchr_flag_to_warn = $::UNICODE_WARN_NONCHAR;
+ $uvchr_flag_to_disallow = $::UNICODE_DISALLOW_NONCHAR;;
+
+ $utf8n_flag_to_warn_complement = $::UTF8_WARN_SURROGATE
+ |$::UTF8_WARN_SUPER
+ |$::UTF8_WARN_PERL_EXTENDED;
+ $utf8n_flag_to_disallow_complement = $::UTF8_DISALLOW_SURROGATE
+ |$::UTF8_DISALLOW_SUPER
+ |$::UTF8_DISALLOW_PERL_EXTENDED;
+ $uvchr_flag_to_warn_complement = $::UNICODE_WARN_SURROGATE
+ |$::UNICODE_WARN_SUPER
+ |$::UNICODE_WARN_PERL_EXTENDED;
+ $uvchr_flag_to_disallow_complement = $::UNICODE_DISALLOW_SURROGATE
+ |$::UNICODE_DISALLOW_SUPER
+ |$::UNICODE_DISALLOW_PERL_EXTENDED;
+
+ $controlling_warning_category = 'nonchar';
+ }
+ else {
+ die "Can't figure out what type of warning to test for $testname"
+ }
+
+ die 'Didn\'t set $needed_to_discern_len for ' . $testname
+ unless defined $needed_to_discern_len;
+
+ # We try various combinations of malformations that can occur
+ foreach my $short (0, 1) {
+ next if $skip_most_tests && $short;
+ foreach my $unexpected_noncont (0, 1) {
+ next if $skip_most_tests && $unexpected_noncont;
+ foreach my $overlong (0, 1) {
+ next if $overlong && $skip_most_tests;
+ next if $initially_overlong && ! $overlong;
+
+ # If we're creating an overlong, it can't be longer than the
+ # maximum length, so skip if we're already at that length.
+ next if (! $initially_overlong && $overlong)
+ && $length >= $::max_bytes;
+
+ my $this_cp_message_qr = $cp_message_qr;
+ my $this_non_cp_trailing_text = $non_cp_trailing_text;
+
+ foreach my $malformed_allow_type (0..2) {
+ # 0 don't allow this malformation; ignored if no malformation
+ # 1 allow, with REPLACEMENT CHARACTER returned
+ # 2 allow, with intended code point returned. All malformations
+ # other than overlong can't determine the intended code point,
+ # so this isn't valid for them.
+ next if $malformed_allow_type == 2
+ && ($will_overflow || $short || $unexpected_noncont);
+ next if $skip_most_tests && $malformed_allow_type;
+
+ # Here we are in the innermost loop for malformations. So we
+ # know which ones are in effect. Can now change the input to be
+ # appropriately malformed. We also can set up certain other
+ # things now, like whether we expect a return flag from this
+ # malformation, and which flag.
+
+ my $this_bytes = $bytes;
+ my $this_length = $length;
+ my $this_expected_len = $length;
+ my $this_needed_to_discern_len = $needed_to_discern_len;
+
+ my @malformation_names;
+ my @expected_malformation_warnings;
+ my @expected_malformation_return_flags;
+
+ # Contains the flags for any allowed malformations. Currently no
+ # combinations of on/off are tested for. It's either all are
+ # allowed, or none are.
+ my $allow_flags = 0;
+ my $overlong_is_in_perl_extended_utf8 = 0;
+ my $dont_use_overlong_cp = 0;
+
+ if ($initially_orphan) {
+ next if $overlong || $short || $unexpected_noncont;
+ }
- $allow_flags |= $::UTF8_ALLOW_SHORT if $malformed_allow_type;
- }
+ if ($overlong) {
+ if (! $initially_overlong) {
+ my $new_expected_len;
+
+ # To force this malformation, we convert the original start
+ # byte into a continuation byte with the same data bits as
+ # originally. ...
+ my $start_byte = substr($this_bytes, 0, 1);
+ my $converted_to_continuation_byte
+ = start_byte_to_cont($start_byte);
+
+ # ... Then we prepend it with a known overlong sequence.
+ # This should evaluate to the exact same code point as the
+ # original. We try to avoid an overlong using Perl
+ # extended UTF-8. The code points are the highest
+ # representable as overlongs on the respective platform
+ # without using extended UTF-8.
+ if (native_to_I8($start_byte) lt "\xFC") {
+ $start_byte = I8_to_native("\xFC");
+ $new_expected_len = 6;
+ }
+ elsif (! isASCII && native_to_I8($start_byte) lt "\xFE") {
+
+ # FE is not extended UTF-8 on EBCDIC
+ $start_byte = I8_to_native("\xFE");
+ $new_expected_len = 7;
+ }
+ else { # Must use extended UTF-8. On ASCII platforms, we
+ # could express some overlongs here starting with
+ # \xFE, but there's no real reason to do so.
+ $overlong_is_in_perl_extended_utf8 = 1;
+ $start_byte = I8_to_native("\xFF");
+ $new_expected_len = $::max_bytes;
+ $this_cp_message_qr = $extended_cp_message_qr;
+
+ # The warning that gets raised doesn't include the
+ # code point in the message if the code point can be
+ # expressed without using extended UTF-8, but the
+ # particular overlong sequence used is in extended
+ # UTF-8. To do otherwise would be confusing to the
+ # user, as it would claim the code point requires
+ # extended, when it doesn't.
+ $dont_use_overlong_cp = 1
+ unless requires_extended_utf8($allowed_uv);
+ $this_non_cp_trailing_text
+ = $extended_non_cp_trailing_text;
+ }
+
+ # Splice in the revise continuation byte, preceded by the
+ # start byte and the proper number of the lowest
+ # continuation bytes.
+ $this_bytes = $start_byte
+ . ($native_lowest_continuation_chr
+ x ( $new_expected_len
+ - 1
+ - length($this_bytes)))
+ . $converted_to_continuation_byte
+ . substr($this_bytes, 1);
+ $this_length = length($this_bytes);
+ $this_needed_to_discern_len = $new_expected_len
+ - ( $this_expected_len
+ - $this_needed_to_discern_len);
+ $this_expected_len = $new_expected_len;
+ }
+ }
- if ($unexpected_noncont) {
+ if ($short) {
- # To force this malformation, change the final continuation
- # byte into a start byte.
- my $pos = ($short) ? -2 : -1;
- substr($this_bytes, $pos, 1) = $known_start_byte;
- $this_expected_len--;
- }
+ # To force this malformation, just tell the test to not look
+ # as far as it should into the input.
+ $this_length--;
+ $this_expected_len--;
- # The whole point of a test that is malformed from the beginning
- # is to test for that malformation. If we've modified things so
- # much that we don't have enough information to detect that
- # malformation, there's no point in testing.
- next if $initially_malformed
- && $this_expected_len < $this_needed_to_discern_len;
-
- # Here, we've transformed the input with all of the desired
- # non-overflow malformations. We are now in a position to
- # construct any potential warnings for those malformations. But
- # it's a pain to get the detailed messages exactly right, so for
- # now XXX, only do so for those that return an explicit code
- # point.
-
- if ($initially_orphan) {
- push @malformation_names, "orphan continuation";
- push @expected_malformation_return_flags,
- $::UTF8_GOT_CONTINUATION;
- $allow_flags |= $::UTF8_ALLOW_CONTINUATION
- if $malformed_allow_type;
- push @expected_malformation_warnings, qr/unexpected continuation/;
- }
+ $allow_flags |= $::UTF8_ALLOW_SHORT if $malformed_allow_type;
+ }
- if ($overlong) {
- push @malformation_names, 'overlong';
- push @expected_malformation_return_flags, $::UTF8_GOT_LONG;
+ if ($unexpected_noncont) {
- # If one of the other malformation types is also in effect, we
- # don't know what the intended code point was.
- if ($short || $unexpected_noncont || $will_overflow) {
- push @expected_malformation_warnings, qr/overlong/;
- }
- else {
- my $wrong_bytes = display_bytes_no_quotes(
- substr($this_bytes, 0, $this_length));
- if (! defined $correct_bytes_for_overlong) {
- $correct_bytes_for_overlong
- = display_bytes_no_quotes($bytes);
- }
- my $prefix = ( $allowed_uv > 0x10FFFF
- || ! isASCII && $allowed_uv < 256)
- ? "0x"
- : "U+";
- push @expected_malformation_warnings,
- qr/\QMalformed UTF-8 character: $wrong_bytes\E
- \Q (overlong; instead use\E
- \Q $correct_bytes_for_overlong to\E
- \Q represent $prefix$uv_string)/x;
- }
+ # To force this malformation, change the final continuation
+ # byte into a start byte.
+ my $pos = ($short) ? -2 : -1;
+ substr($this_bytes, $pos, 1) = $known_start_byte;
+ $this_expected_len--;
+ }
- if ($malformed_allow_type == 2) {
- $allow_flags |= $::UTF8_ALLOW_LONG_AND_ITS_VALUE;
- }
- elsif ($malformed_allow_type) {
- $allow_flags |= $::UTF8_ALLOW_LONG;
- }
- }
- if ($short) {
- push @malformation_names, 'short';
- push @expected_malformation_return_flags, $::UTF8_GOT_SHORT;
- push @expected_malformation_warnings, qr/too short/;
- }
- if ($unexpected_noncont) {
- push @malformation_names, 'unexpected non-continuation';
- push @expected_malformation_return_flags,
- $::UTF8_GOT_NON_CONTINUATION;
- $allow_flags |= $::UTF8_ALLOW_NON_CONTINUATION
- if $malformed_allow_type;
- push @expected_malformation_warnings,
- qr/unexpected non-continuation byte/;
- }
+ # The whole point of a test that is malformed from the beginning
+ # is to test for that malformation. If we've modified things so
+ # much that we don't have enough information to detect that
+ # malformation, there's no point in testing.
+ next if $initially_malformed
+ && $this_expected_len < $this_needed_to_discern_len;
+
+ # Here, we've transformed the input with all of the desired
+ # non-overflow malformations. We are now in a position to
+ # construct any potential warnings for those malformations. But
+ # it's a pain to get the detailed messages exactly right, so for
+ # now XXX, only do so for those that return an explicit code
+ # point.
+
+ if ($initially_orphan) {
+ push @malformation_names, "orphan continuation";
+ push @expected_malformation_return_flags,
+ $::UTF8_GOT_CONTINUATION;
+ $allow_flags |= $::UTF8_ALLOW_CONTINUATION
+ if $malformed_allow_type;
+ push @expected_malformation_warnings, qr/unexpected continuation/;
+ }
- # The overflow malformation is done differently than other
- # malformations. It comes from manually typed tests in the test
- # array. We now make it be treated like one of the other
- # malformations. But some has to be deferred until the inner loop
- my $overflow_msg_pattern;
- if ($will_overflow) {
- push @malformation_names, 'overflow';
+ if ($overlong) {
+ push @malformation_names, 'overlong';
+ push @expected_malformation_return_flags, $::UTF8_GOT_LONG;
- $overflow_msg_pattern = display_bytes_no_quotes(
- substr($this_bytes, 0, $this_expected_len));
- $overflow_msg_pattern = qr/\QMalformed UTF-8 character:\E
- \Q $overflow_msg_pattern\E
- \Q (overflows)\E/x;
- push @expected_malformation_return_flags, $::UTF8_GOT_OVERFLOW;
- $allow_flags |= $::UTF8_ALLOW_OVERFLOW if $malformed_allow_type;
- }
-
- # And we can create the malformation-related text for the the test
- # names we eventually will generate.
- my $malformations_name = "";
- if (@malformation_names) {
- $malformations_name .= "dis" unless $malformed_allow_type;
- $malformations_name .= "allowed ";
- $malformations_name .= "malformation";
- $malformations_name .= "s" if @malformation_names > 1;
- $malformations_name .= ": ";
- $malformations_name .= join "/", @malformation_names;
- $malformations_name = " ($malformations_name)";
- }
+ # If one of the other malformation types is also in effect, we
+ # don't know what the intended code point was.
+ if ($short || $unexpected_noncont || $will_overflow) {
+ push @expected_malformation_warnings, qr/overlong/;
+ }
+ else {
+ my $wrong_bytes = display_bytes_no_quotes(
+ substr($this_bytes, 0, $this_length));
+ if (! defined $correct_bytes_for_overlong) {
+ $correct_bytes_for_overlong
+ = display_bytes_no_quotes($bytes);
+ }
+ my $prefix = ( $allowed_uv > 0x10FFFF
+ || ! isASCII && $allowed_uv < 256)
+ ? "0x"
+ : "U+";
+ push @expected_malformation_warnings,
+ qr/\QMalformed UTF-8 character: $wrong_bytes\E
+ \Q (overlong; instead use\E
+ \Q $correct_bytes_for_overlong to\E
+ \Q represent $prefix$uv_string)/x;
+ }
- # Done setting up the malformation related stuff
+ if ($malformed_allow_type == 2) {
+ $allow_flags |= $::UTF8_ALLOW_LONG_AND_ITS_VALUE;
+ }
+ elsif ($malformed_allow_type) {
+ $allow_flags |= $::UTF8_ALLOW_LONG;
+ }
+ }
+ if ($short) {
+ push @malformation_names, 'short';
+ push @expected_malformation_return_flags, $::UTF8_GOT_SHORT;
+ push @expected_malformation_warnings, qr/too short/;
+ }
+ if ($unexpected_noncont) {
+ push @malformation_names, 'unexpected non-continuation';
+ push @expected_malformation_return_flags,
+ $::UTF8_GOT_NON_CONTINUATION;
+ $allow_flags |= $::UTF8_ALLOW_NON_CONTINUATION
+ if $malformed_allow_type;
+ push @expected_malformation_warnings,
+ qr/unexpected non-continuation byte/;
+ }
- { # First test the isFOO calls
- use warnings; # XXX no warnings 'deprecated'; # Make sure these don't raise warnings
- undef @warnings_gotten;
+ # The overflow malformation is done differently than other
+ # malformations. It comes from manually typed tests in the test
+ # array. We now make it be treated like one of the other
+ # malformations. But some has to be deferred until the inner loop
+ my $overflow_msg_pattern;
+ if ($will_overflow) {
+ push @malformation_names, 'overflow';
+
+ $overflow_msg_pattern = display_bytes_no_quotes(
+ substr($this_bytes, 0, $this_expected_len));
+ $overflow_msg_pattern = qr/\QMalformed UTF-8 character:\E
+ \Q $overflow_msg_pattern\E
+ \Q (overflows)\E/x;
+ push @expected_malformation_return_flags, $::UTF8_GOT_OVERFLOW;
+ $allow_flags |= $::UTF8_ALLOW_OVERFLOW if $malformed_allow_type;
+ }
- my $ret = test_isUTF8_CHAR($this_bytes, $this_length);
- my $ret_flags
- = test_isUTF8_CHAR_flags($this_bytes, $this_length, 0);
- if ($malformations_name) {
- is($ret, 0, "For $testname$malformations_name: isUTF8_CHAR() returns 0");
- is($ret_flags, 0, " And isUTF8_CHAR_flags() returns 0");
- }
- else {
- is($ret, $this_length, "For $testname: isUTF8_CHAR() returns"
- . " expected length: $this_length");
- is($ret_flags, $this_length,
- " And isUTF8_CHAR_flags(...,0) returns expected"
- . " length: $this_length");
- }
- is(scalar @warnings_gotten, 0,
- " And neither isUTF8_CHAR() nor isUTF8_CHAR()_flags"
- . " generated any warnings")
- or output_warnings(@warnings_gotten);
-
- undef @warnings_gotten;
- $ret = test_isSTRICT_UTF8_CHAR($this_bytes, $this_length);
- if ($malformations_name) {
- is($ret, 0, " And isSTRICT_UTF8_CHAR() returns 0");
- }
- else {
- my $expected_ret
- = ( $testname =~ /surrogate|non-character/
- || $allowed_uv > 0x10FFFF)
- ? 0
- : $this_length;
- is($ret, $expected_ret,
- " And isSTRICT_UTF8_CHAR() returns expected"
- . " length: $expected_ret");
- $ret = test_isUTF8_CHAR_flags($this_bytes, $this_length,
- $::UTF8_DISALLOW_ILLEGAL_INTERCHANGE);
- is($ret, $expected_ret,
- " And isUTF8_CHAR_flags('"
- . "DISALLOW_ILLEGAL_INTERCHANGE') acts like"
- . " isSTRICT_UTF8_CHAR");
- }
- is(scalar @warnings_gotten, 0,
- " And neither isSTRICT_UTF8_CHAR() nor"
- . " isUTF8_CHAR_flags generated any warnings")
- or output_warnings(@warnings_gotten);
-
- undef @warnings_gotten;
- $ret = test_isC9_STRICT_UTF8_CHAR($this_bytes, $this_length);
- if ($malformations_name) {
- is($ret, 0, " And isC9_STRICT_UTF8_CHAR() returns 0");
- }
- else {
- my $expected_ret = ( $testname =~ /surrogate/
- || $allowed_uv > 0x10FFFF)
- ? 0
- : $this_expected_len;
- is($ret, $expected_ret, " And isC9_STRICT_UTF8_CHAR()"
- . " returns expected length:"
- . " $expected_ret");
- $ret = test_isUTF8_CHAR_flags($this_bytes, $this_length,
- $::UTF8_DISALLOW_ILLEGAL_C9_INTERCHANGE);
- is($ret, $expected_ret,
- " And isUTF8_CHAR_flags('"
- . "DISALLOW_ILLEGAL_C9_INTERCHANGE') acts like"
- . " isC9_STRICT_UTF8_CHAR");
- }
- is(scalar @warnings_gotten, 0,
- " And neither isC9_STRICT_UTF8_CHAR() nor"
- . " isUTF8_CHAR_flags generated any warnings")
- or output_warnings(@warnings_gotten);
+ # And we can create the malformation-related text for the the test
+ # names we eventually will generate.
+ my $malformations_name = "";
+ if (@malformation_names) {
+ $malformations_name .= "dis" unless $malformed_allow_type;
+ $malformations_name .= "allowed ";
+ $malformations_name .= "malformation";
+ $malformations_name .= "s" if @malformation_names > 1;
+ $malformations_name .= ": ";
+ $malformations_name .= join "/", @malformation_names;
+ $malformations_name = " ($malformations_name)";
+ }
- foreach my $disallow_type (0..2) {
- # 0 is don't disallow this type of code point
- # 1 is do disallow
- # 2 is do disallow, but only code points requiring
- # perl-extended-UTF8
+ # Done setting up the malformation related stuff
- my $disallow_flags;
- my $expected_ret;
+ { # First test the isFOO calls
+ use warnings; # XXX no warnings 'deprecated'; # Make sure these don't raise warnings
+ undef @warnings_gotten;
- if ($malformations_name) {
+ my $ret = test_isUTF8_CHAR($this_bytes, $this_length);
+ my $ret_flags
+ = test_isUTF8_CHAR_flags($this_bytes, $this_length, 0);
+ if ($malformations_name) {
+ is($ret, 0, "For $testname$malformations_name: isUTF8_CHAR() returns 0");
+ is($ret_flags, 0, " And isUTF8_CHAR_flags() returns 0");
+ }
+ else {
+ is($ret, $this_length, "For $testname: isUTF8_CHAR() returns"
+ . " expected length: $this_length");
+ is($ret_flags, $this_length,
+ " And isUTF8_CHAR_flags(...,0) returns expected"
+ . " length: $this_length");
+ }
+ is(scalar @warnings_gotten, 0,
+ " And neither isUTF8_CHAR() nor isUTF8_CHAR()_flags"
+ . " generated any warnings")
+ or output_warnings(@warnings_gotten);
+
+ undef @warnings_gotten;
+ $ret = test_isSTRICT_UTF8_CHAR($this_bytes, $this_length);
+ if ($malformations_name) {
+ is($ret, 0, " And isSTRICT_UTF8_CHAR() returns 0");
+ }
+ else {
+ my $expected_ret
+ = ( $testname =~ /surrogate|non-character/
+ || $allowed_uv > 0x10FFFF)
+ ? 0
+ : $this_length;
+ is($ret, $expected_ret,
+ " And isSTRICT_UTF8_CHAR() returns expected"
+ . " length: $expected_ret");
+ $ret = test_isUTF8_CHAR_flags($this_bytes, $this_length,
+ $::UTF8_DISALLOW_ILLEGAL_INTERCHANGE);
+ is($ret, $expected_ret,
+ " And isUTF8_CHAR_flags('"
+ . "DISALLOW_ILLEGAL_INTERCHANGE') acts like"
+ . " isSTRICT_UTF8_CHAR");
+ }
+ is(scalar @warnings_gotten, 0,
+ " And neither isSTRICT_UTF8_CHAR() nor"
+ . " isUTF8_CHAR_flags generated any warnings")
+ or output_warnings(@warnings_gotten);
+
+ undef @warnings_gotten;
+ $ret = test_isC9_STRICT_UTF8_CHAR($this_bytes, $this_length);
+ if ($malformations_name) {
+ is($ret, 0, " And isC9_STRICT_UTF8_CHAR() returns 0");
+ }
+ else {
+ my $expected_ret = ( $testname =~ /surrogate/
+ || $allowed_uv > 0x10FFFF)
+ ? 0
+ : $this_expected_len;
+ is($ret, $expected_ret, " And isC9_STRICT_UTF8_CHAR()"
+ . " returns expected length:"
+ . " $expected_ret");
+ $ret = test_isUTF8_CHAR_flags($this_bytes, $this_length,
+ $::UTF8_DISALLOW_ILLEGAL_C9_INTERCHANGE);
+ is($ret, $expected_ret,
+ " And isUTF8_CHAR_flags('"
+ . "DISALLOW_ILLEGAL_C9_INTERCHANGE') acts like"
+ . " isC9_STRICT_UTF8_CHAR");
+ }
+ is(scalar @warnings_gotten, 0,
+ " And neither isC9_STRICT_UTF8_CHAR() nor"
+ . " isUTF8_CHAR_flags generated any warnings")
+ or output_warnings(@warnings_gotten);
+
+ foreach my $disallow_type (0..2) {
+ # 0 is don't disallow this type of code point
+ # 1 is do disallow
+ # 2 is do disallow, but only code points requiring
+ # perl-extended-UTF8
+
+ my $disallow_flags;
+ my $expected_ret;
+
+ if ($malformations_name) {
+
+ # Malformations are by default disallowed, so testing
+ # with $disallow_type equal to 0 is sufficicient.
+ next if $disallow_type;
+
+ $disallow_flags = 0;
+ $expected_ret = 0;
+ }
+ elsif ($disallow_type == 1) {
+ $disallow_flags = $utf8n_flag_to_disallow;
+ $expected_ret = 0;
+ }
+ elsif ($disallow_type == 2) {
+ next if ! requires_extended_utf8($allowed_uv);
+ $disallow_flags = $::UTF8_DISALLOW_PERL_EXTENDED;
+ $expected_ret = 0;
+ }
+ else { # type is 0
+ $disallow_flags = $utf8n_flag_to_disallow_complement;
+ $expected_ret = $this_length;
+ }
+
+ $ret = test_isUTF8_CHAR_flags($this_bytes, $this_length,
+ $disallow_flags);
+ is($ret, $expected_ret,
+ " And isUTF8_CHAR_flags($display_bytes,"
+ . " $disallow_flags) returns $expected_ret")
+ or diag "The flags mean "
+ . flags_to_text($disallow_flags,
+ \@utf8n_flags_to_text);
+ is(scalar @warnings_gotten, 0,
+ " And isUTF8_CHAR_flags(...) generated"
+ . " no warnings")
+ or output_warnings(@warnings_gotten);
+
+ # Test partial character handling, for each byte not a
+ # full character
+ my $did_test_partial = 0;
+ for (my $j = 1; $j < $this_length - 1; $j++) {
+ $did_test_partial = 1;
+ my $partial = substr($this_bytes, 0, $j);
+ my $ret_should_be;
+ my $comment;
+ if ($disallow_type || $malformations_name) {
+ $ret_should_be = 0;
+ $comment = "disallowed";
+
+ # The number of bytes required to tell if a
+ # sequence has something wrong is the smallest of
+ # all the things wrong with it. We start with the
+ # number for this type of code point, if that is
+ # disallowed; or the whole length if not. The
+ # latter is what a couple of the malformations
+ # require.
+ my $needed_to_tell = ($disallow_type)
+ ? $this_needed_to_discern_len
+ : $this_expected_len;
+
+ # Then we see if the malformations that are
+ # detectable early in the string are present.
+ if ($overlong) {
+ my $dl = overlong_discern_len($this_bytes);
+ $needed_to_tell = $dl if $dl < $needed_to_tell;
+ }
+ if ($will_overflow) {
+ my $dl = overflow_discern_len($length);
+ $needed_to_tell = $dl if $dl < $needed_to_tell;
+ }
- # Malformations are by default disallowed, so testing
- # with $disallow_type equal to 0 is sufficicient.
- next if $disallow_type;
+ if ($j < $needed_to_tell) {
+ $ret_should_be = 1;
+ $comment .= ", but need $needed_to_tell"
+ . " bytes to discern:";
+ }
+ }
+ else {
+ $ret_should_be = 1;
+ $comment = "allowed";
+ }
- $disallow_flags = 0;
- $expected_ret = 0;
- }
- elsif ($disallow_type == 1) {
- $disallow_flags = $utf8n_flag_to_disallow;
- $expected_ret = 0;
- }
- elsif ($disallow_type == 2) {
- next if ! requires_extended_utf8($allowed_uv);
- $disallow_flags = $::UTF8_DISALLOW_PERL_EXTENDED;
- $expected_ret = 0;
- }
- else { # type is 0
- $disallow_flags = $utf8n_flag_to_disallow_complement;
- $expected_ret = $this_length;
- }
+ undef @warnings_gotten;
- $ret = test_isUTF8_CHAR_flags($this_bytes, $this_length,
- $disallow_flags);
- is($ret, $expected_ret,
- " And isUTF8_CHAR_flags($display_bytes,"
- . " $disallow_flags) returns $expected_ret")
+ $ret = test_is_utf8_valid_partial_char_flags($partial,
+ $j, $disallow_flags);
+ is($ret, $ret_should_be,
+ " And is_utf8_valid_partial_char_flags("
+ . display_bytes($partial)
+ . ", $disallow_flags), $comment: returns"
+ . " $ret_should_be")
or diag "The flags mean "
- . flags_to_text($disallow_flags,
- \@utf8n_flags_to_text);
- is(scalar @warnings_gotten, 0,
- " And isUTF8_CHAR_flags(...) generated"
- . " no warnings")
- or output_warnings(@warnings_gotten);
-
- # Test partial character handling, for each byte not a
- # full character
- my $did_test_partial = 0;
- for (my $j = 1; $j < $this_length - 1; $j++) {
- $did_test_partial = 1;
- my $partial = substr($this_bytes, 0, $j);
- my $ret_should_be;
- my $comment;
- if ($disallow_type || $malformations_name) {
- $ret_should_be = 0;
- $comment = "disallowed";
-
- # The number of bytes required to tell if a
- # sequence has something wrong is the smallest of
- # all the things wrong with it. We start with the
- # number for this type of code point, if that is
- # disallowed; or the whole length if not. The
- # latter is what a couple of the malformations
- # require.
- my $needed_to_tell = ($disallow_type)
- ? $this_needed_to_discern_len
- : $this_expected_len;
-
- # Then we see if the malformations that are
- # detectable early in the string are present.
- if ($overlong) {
- my $dl = overlong_discern_len($this_bytes);
- $needed_to_tell = $dl if $dl < $needed_to_tell;
- }
- if ($will_overflow) {
- my $dl = overflow_discern_len($length);
- $needed_to_tell = $dl if $dl < $needed_to_tell;
- }
-
- if ($j < $needed_to_tell) {
- $ret_should_be = 1;
- $comment .= ", but need $needed_to_tell"
- . " bytes to discern:";
- }
- }
- else {
- $ret_should_be = 1;
- $comment = "allowed";
- }
+ . flags_to_text($disallow_flags, \@utf8n_flags_to_text);
+ }
+
+ if ($did_test_partial) {
+ is(scalar @warnings_gotten, 0,
+ " And is_utf8_valid_partial_char_flags()"
+ . " generated no warnings for any of the lengths")
+ or output_warnings(@warnings_gotten);
+ }
+ }
+ }
- undef @warnings_gotten;
-
- $ret = test_is_utf8_valid_partial_char_flags($partial,
- $j, $disallow_flags);
- is($ret, $ret_should_be,
- " And is_utf8_valid_partial_char_flags("
- . display_bytes($partial)
- . ", $disallow_flags), $comment: returns"
- . " $ret_should_be")
- or diag "The flags mean "
- . flags_to_text($disallow_flags, \@utf8n_flags_to_text);
- }
+ # Now test the to/from UTF-8 calls. There are several orthogonal
+ # variables involved. We test most possible combinations
- if ($did_test_partial) {
- is(scalar @warnings_gotten, 0,
- " And is_utf8_valid_partial_char_flags()"
- . " generated no warnings for any of the lengths")
- or output_warnings(@warnings_gotten);
- }
- }
+ foreach my $do_disallow (0, 1) {
+ if ($do_disallow) {
+ next if $initially_overlong || $initially_orphan;
+ }
+ else {
+ next if $skip_most_tests;
}
- # Now test the to/from UTF-8 calls. There are several orthogonal
- # variables involved. We test most possible combinations
-
- foreach my $do_disallow (0, 1) {
- if ($do_disallow) {
- next if $initially_overlong || $initially_orphan;
- }
- else {
- next if $skip_most_tests;
- }
-
- # This tests three functions. utf8n_to_uvchr_error,
- # utf8n_to_uvchr_msgs, and uvchr_to_utf8_flags. But only the
- # first two are variants of each other. We use a loop
- # 'which_func' to determine which of these. uvchr_to_utf8_flags
- # is done separately at the end of each iteration, only when
- # which_func is 0. which_func is numeric in part so we don't
- # have to type in the function name and risk misspelling it
- # somewhere, and also it sets whether we are expecting warnings
- # or not in certain places. The _msgs() version of the function
- # expects warnings even if lexical ones are turned off, so by
- # making its which_func == 1, we can say we want warnings;
- # whereas the other one with the value 0, doesn't get them.
- for my $which_func (0, 1) {
- my $func = ($which_func)
- ? 'utf8n_to_uvchr_msgs'
- : 'utf8n_to_uvchr_error';
+ # This tests three functions. utf8n_to_uvchr_error,
+ # utf8n_to_uvchr_msgs, and uvchr_to_utf8_flags. But only the
+ # first two are variants of each other. We use a loop
+ # 'which_func' to determine which of these. uvchr_to_utf8_flags
+ # is done separately at the end of each iteration, only when
+ # which_func is 0. which_func is numeric in part so we don't
+ # have to type in the function name and risk misspelling it
+ # somewhere, and also it sets whether we are expecting warnings
+ # or not in certain places. The _msgs() version of the function
+ # expects warnings even if lexical ones are turned off, so by
+ # making its which_func == 1, we can say we want warnings;
+ # whereas the other one with the value 0, doesn't get them.
+ for my $which_func (0, 1) {
+ my $func = ($which_func)
+ ? 'utf8n_to_uvchr_msgs'
+ : 'utf8n_to_uvchr_error';
# We classify the warnings into certain "interesting" types,
# described later
or diag "Call was: " . uvchr_display_call($eval_text);
}
}
- }
}
}
}
}
}
+ }
}
done_testing;
https://perl5.git.perl.org / perl5.git / commitdiff