diff options
Diffstat (limited to 't/pragma/warn/pp')
| -rw-r--r-- | t/pragma/warn/pp | 48 |
1 files changed, 44 insertions, 4 deletions
diff --git a/t/pragma/warn/pp b/t/pragma/warn/pp index 7a3b28991c..9baf9c14b0 100644 --- a/t/pragma/warn/pp +++ b/t/pragma/warn/pp @@ -25,14 +25,21 @@ Explicit blessing to '' (assuming package main) bless \[], ""; - Constant subroutine %s undefined <<< - Constant subroutine (anonymous) undefined <<< + Constant subroutine %s undefined <<<TODO + Constant subroutine (anonymous) undefined <<<TODO + + Mandatory Warnings + ------------------ + Malformed UTF-8 character __END__ # pp.c use warning 'substr' ; $a = "ab" ; -$a = substr($a, 4,5) +$a = substr($a, 4,5); +no warning 'substr' ; +$a = "ab" ; +$a = substr($a, 4,5); EXPECT substr outside of string at - line 4. ######## @@ -41,6 +48,8 @@ use warning 'substr' ; $a = "ab" ; $b = \$a ; substr($b, 1,1) = "ab" ; +no warning 'substr' ; +substr($b, 1,1) = "ab" ; EXPECT Attempt to use reference as lvalue in substr at - line 5. ######## @@ -53,6 +62,8 @@ EXPECT # pp.c use warning 'unsafe' ; my $a = { 1,2,3}; +no warning 'unsafe' ; +my $b = { 1,2,3}; EXPECT Odd number of elements in hash assignment at - line 3. ######## @@ -60,6 +71,9 @@ Odd number of elements in hash assignment at - line 3. use warning 'unsafe' ; my @a = unpack ("A,A", "22") ; my $a = pack ("A,A", 1,2) ; +no warning 'unsafe' ; +my @b = unpack ("A,A", "22") ; +my $b = pack ("A,A", 1,2) ; EXPECT Invalid type in unpack: ',' at - line 3. Invalid type in pack: ',' at - line 4. @@ -67,7 +81,9 @@ Invalid type in pack: ',' at - line 4. # pp.c use warning 'uninitialized' ; my $a = undef ; -my $b = $$a +my $b = $$a; +no warning 'uninitialized' ; +my $c = $$a; EXPECT Use of uninitialized value at - line 4. ######## @@ -75,11 +91,35 @@ Use of uninitialized value at - line 4. use warning 'unsafe' ; sub foo { my $a = "a"; return $a . $a++ . $a++ } my $a = pack("p", &foo) ; +no warning 'unsafe' ; +my $b = pack("p", &foo) ; EXPECT Attempt to pack pointer to temporary value at - line 4. ######## # pp.c use warning 'unsafe' ; bless \[], "" ; +no warning 'unsafe' ; +bless \[], "" ; EXPECT Explicit blessing to '' (assuming package main) at - line 3. +######## +# pp.c +use utf8 ; +$_ = "\x80 \xff" ; +reverse ; +EXPECT +Malformed UTF-8 character at - line 4. +######## +# pp.c +use warning 'utf8' ; +use utf8 ; +$_ = "\x80 \xff" ; +reverse ; +no warning 'utf8' ; +$_ = "\x80 \xff" ; +reverse ; +EXPECT +\x80 will produce malformed UTF-8 character; use \x{80} for that at - line 4. +\xff will produce malformed UTF-8 character; use \x{ff} for that at - line 4. +Malformed UTF-8 character at - line 5. |