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author | Pascal Rigaux <pixel@mandriva.com> | 2004-03-31 14:13:46 +0000 |
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committer | Pascal Rigaux <pixel@mandriva.com> | 2004-03-31 14:13:46 +0000 |
commit | 492dd716bdbd866fc28eacfe5082910dfa9e7590 (patch) | |
tree | 15bad6962ad73c62835002aadf44dd2163c69282 /perl_checker.src/test/syntax_restrictions.t | |
parent | 5a13ba64777f14718ae20e4bca2a80f39304c367 (diff) | |
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add tests for perl_checker
Diffstat (limited to 'perl_checker.src/test/syntax_restrictions.t')
-rw-r--r-- | perl_checker.src/test/syntax_restrictions.t | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/perl_checker.src/test/syntax_restrictions.t b/perl_checker.src/test/syntax_restrictions.t new file mode 100644 index 0000000..6c336be --- /dev/null +++ b/perl_checker.src/test/syntax_restrictions.t @@ -0,0 +1,52 @@ +$xxx <<= 2 don't use "<<=", use the expanded version instead + +m@xxx@ don't use m@...@, replace @ with / ! , or | + +qx(xxx) don't use qx{...}, use `...` instead + +not $xxx don't use "not", use "!" instead + +$1 =~ /xxx/ do not use the result of a match (eg: $1) to match another pattern + +$xxx =~ "yyy" use a regexp, not a string + +xxx() =~ s/xxx/yyy/ you can only use s/// on a variable + +$1 =~ /xxx/ do not use the result of a match (eg: $1) to match another pattern + +grep /xxx/, @l always use "grep" with a block (eg: grep { ... } @list) + +for (@l) {} write "foreach" instead of "for" + +foreach ($xxx = 0; $xxx < 9; $xxx++) {} write "for" instead of "foreach" + +foreach $xxx (@l) {} don't use for without "my"ing the iteration variable + +foreach ($xxx) {} you are using the special fpons trick to locally set $_ with a value, for this please use "for" instead of "foreach" + +unless ($xxx) {} else {} don't use "else" with "unless" (replace "unless" with "if") + +unless ($xxx) {} elsif ($yyy) {} don't use "elsif" with "unless" (replace "unless" with "if") + +zzz() unless $xxx || $yyy; don't use "unless" when the condition is complex, use "if" instead + +$$xxx{yyy} for complex dereferencing, use "->" + +wantarray please use wantarray() instead of wantarray + +eval please use "eval $_" instead of "eval" + +$xxx !~ s/xxx/yyy/ use =~ instead of !~ and negate the return value + +pkg::nop $xxx; use parentheses around argument (otherwise it might cause syntax errors if the package is "require"d and not "use"d + +new foo $xxx you must parenthesize parameters: "new Class(...)" instead of "new Class ..." + +*xxx = *yyy "*xxx = *yyy" is better written "*xxx = \&yyy" + +$_xxx = 1 variable $_xxx must not be used + (variable with name _XXX are reserved for unused variables) + +sub f2 { my ($x, $_y) = @_; $x } not enough parameters +f2(@l); # ok +f2(xxx()); # bad |