-#!./perl
+#!./perl -w
BEGIN {
chdir '..' if -d '../pod' && -d '../t';
@INC = 'lib';
+ require './t/test.pl';
+ plan(28);
}
-use Test::More tests => 7;
-
-BEGIN { use_ok('diagnostics') }
+BEGIN {
+ my $w;
+ $SIG{__WARN__} = sub { $w = shift };
+ use_ok('diagnostics');
+ is $w, undef, 'no warnings when loading diagnostics.pm';
+}
require base;
'base'->import(qw(I::do::not::exist));
};
-like( $@, qr/^Base class package "I::do::not::exist" is empty/);
+like( $@, qr/^Base class package "I::do::not::exist" is empty/,
+ 'diagnostics not tripped up by "use base qw(Dont::Exist)"');
-# Test for %.0f patterns in perldiag, added in 5.11.0
-close STDERR;
-open STDERR, ">", \my $warning
+open *whatever, ">", \my $warning
or die "Couldn't redirect STDERR to var: $!";
+my $old_stderr = *STDERR{IO};
+*STDERR = *whatever{IO};
+
+# Test for %.0f patterns in perldiag, added in 5.11.0
warn('gmtime(nan) too large');
like $warning, qr/\(W overflow\) You called/, '%0.f patterns';
$warning = '';
warn
'Lexing code attempted to stuff non-Latin-1 character into Latin-1 input';
-like $warning, qr/using lex_stuff_pvn or similar/, 'L<foo|bar/baz>';
+like $warning, qr/lex_stuff_pvn or similar/, 'L<foo|bar/baz>';
# Multiple messages with the same description
seek STDERR, 0,0;
$warning = '';
-warn 'Code point 0x%X is not Unicode, may not be portable';
-like $warning, qr/W utf8/,
+warn 'Code point 0xBEE5 is not Unicode, may not be portable';
+like $warning, qr/S utf8/,
'Message sharing its description with the following message';
# Periods at end of entries in perldiag.pod get matched correctly
$warning = '';
warn "Execution of -e aborted due to compilation errors.\n";
like $warning, qr/The final summary message/, 'Periods at end of line';
+
+# Test for %d/%u
+seek STDERR, 0,0;
+$warning = '';
+warn "Bad arg length for us, is 4, should be 42";
+like $warning, qr/In C parlance/, '%u works';
+
+# Test for %X
+seek STDERR, 0,0;
+$warning = '';
+warn "Unicode surrogate U+C0FFEE is illegal in UTF-8";
+like $warning, qr/You had a UTF-16 surrogate/, '%X';
+
+# Test for %p
+seek STDERR, 0,0;
+$warning = '';
+warn "Slab leaked from cv fadedc0ffee";
+like $warning, qr/bookkeeping of op trees/, '%p';
+
+# Strip S<>
+seek STDERR, 0,0;
+$warning = '';
+warn "syntax error";
+like $warning, qr/cybernetic version of 20 questions/s, 'strip S<>';
+
+# Errors ending with dots
+seek STDERR, 0,0;
+$warning = '';
+warn "I had compilation errors.\n";
+like $warning, qr/final summary message/, 'dotty errors';
+
+# Multiline errors
+seek STDERR, 0,0;
+$warning = '';
+warn "Attempt to reload weapon aborted.\nCompilation failed in require";
+like $warning,
+ qr/You tried to load a file.*Perl could not compile/s,
+ 'multiline errors';
+
+# Multiline entry in perldiag.pod
+seek STDERR, 0,0;
+$warning = '';
+warn "Using just the first character returned by \\N{} in character class in regex; marked by <-- HERE in m/%s/";
+like $warning,
+ qr/A charnames handler may return a sequence/s,
+ 'multi-line entries in perldiag.pod match';
+
+# ; at end of entry in perldiag.pod
+seek STDERR, 0,0;
+$warning = '';
+warn "Perl folding rules are not up-to-date for 0xA; please use the perlbug utility to report; in regex; marked by <-- HERE in m/\ <-- HERE q/";
+like $warning,
+ qr/You used a regular expression with case-insensitive matching/s,
+ '; works at the end of entries in perldiag.pod';
+
+# Differences in spaces in warnings (Why not be nice and accept them?)
+seek STDERR, 0,0;
+$warning = '';
+warn "Assignment to both a list and a scalar\n";
+like $warning,
+ qr/2nd and 3rd/s,
+ 'spaces in warnings are matched lightly';
+
+# Differences in spaces in warnings with a period at the end
+seek STDERR, 0,0;
+$warning = '';
+warn "perl: warning: Setting locale failed.\n";
+like $warning,
+ qr/The whole warning/s,
+ 'spaces in warnings with periods at the end are matched lightly';
+
+# Wrapped links
+seek STDERR, 0,0;
+$warning = '';
+warn "Argument \"%s\" treated as 0 in increment (++)";
+like $warning,
+ qr/Auto-increment.*Auto-decrement/s,
+ 'multiline links are not truncated';
+
+{
+# Find last warning in perldiag.pod, and last items if any
+ my $lw;
+ my $inlast;
+ my $item;
+
+ open(my $f, '<', "pod/perldiag.pod")
+ or die "failed to open pod/perldiag.pod for reading: $!";
+
+ while (<$f>) {
+ if ( /^=item\s+(.*)/) {
+ $lw = $1;
+ } elsif (/^=back/) {
+ $inlast = 1;
+ } elsif ($inlast) {
+ # Skip headings
+ next if /^=/;
+
+ # Strip specials
+ $_ =~ s/\w<(.*?)>/$1/g;
+
+ # And whitespace
+ $_ =~ s/(^\s+|\s+$)//g;
+
+ if ($_) {
+ $item = $_;
+
+ last;
+ }
+ }
+ }
+ close($f);
+
+ ok($item, "(sanity...) found an item to check with ($item)");
+ seek STDERR, 0,0;
+ $warning = '';
+ warn $lw;
+ ok($warning, '(sanity...) got a warning');
+ unlike $warning,
+ qr/\Q$item\E/,
+ "Junk after =back doesn't show up in last warning";
+}
+
+*STDERR = $old_stderr;
+
+# These tests use a panic under the hope that the description is not likely
+# to change.
+@runperl_args = (
+ switches => [ '-Ilib', '-Mdiagnostics' ],
+ stderr => 1,
+ nolib => 1, # -I../lib would go outside the build dir
+);
+$subs =
+ "sub foo{bar()}sub bar{baz()}sub baz{die q _panic: gremlins_}foo()";
+is runperl(@runperl_args, prog => $subs),
+ << 'EOT', 'internal error with backtrace';
+panic: gremlins at -e line 1 (#1)
+ (P) An internal error.
+
+Uncaught exception from user code:
+ panic: gremlins at -e line 1.
+ main::baz() called at -e line 1
+ main::bar() called at -e line 1
+ main::foo() called at -e line 1
+EOT
+is runperl(@runperl_args, prog => $subs =~ s/panic\K/k/r),
+ << 'EOU', 'user error with backtrace';
+Uncaught exception from user code:
+ panick: gremlins at -e line 1.
+ main::baz() called at -e line 1
+ main::bar() called at -e line 1
+ main::foo() called at -e line 1
+EOU
+is runperl(@runperl_args, prog => 'die q _panic: gremlins_'),
+ << 'EOV', 'no backtrace from top-level internal error';
+panic: gremlins at -e line 1 (#1)
+ (P) An internal error.
+
+Uncaught exception from user code:
+ panic: gremlins at -e line 1.
+EOV
+is runperl(@runperl_args, prog => 'die q _panick: gremlins_'),
+ << 'EOW', 'no backtrace from top-level user error';
+Uncaught exception from user code:
+ panick: gremlins at -e line 1.
+EOW
+like runperl(
+ @runperl_args,
+ prog => $subs =~
+ s[q _panic: gremlins_]
+ [qq _Attempt to reload foo aborted.\\nCompilation failed in require_]r,
+ ),
+ qr/Uncaught exception from user code:
+ Attempt to reload foo aborted\.
+ Compilation failed in require at -e line \d+\.
+ main::baz\(\) called at -e line \d+
+ main::bar\(\) called at -e line \d+
+ main::foo\(\) called at -e line \d+
+/, 'backtrace from multiline error';
+is runperl(@runperl_args, prog => 'BEGIN { die q _panic: gremlins_ }'),
+ << 'EOX', 'BEGIN{die} does not suppress diagnostics';
+panic: gremlins at -e line 1.
+BEGIN failed--compilation aborted at -e line 1 (#1)
+ (P) An internal error.
+
+Uncaught exception from user code:
+ panic: gremlins at -e line 1.
+ BEGIN failed--compilation aborted at -e line 1.
+EOX
https://perl5.git.perl.org / perl5.git / blobdiff