1 | #!./perl |
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2 | |
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3 | # |
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4 | # various typeglob tests |
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5 | # |
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6 | |
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7 | BEGIN { |
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8 | chdir 't' if -d 't'; |
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9 | @INC = '../lib'; |
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10 | } |
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11 | |
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12 | use warnings; |
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13 | |
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14 | print "1..48\n"; |
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15 | |
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16 | # type coersion on assignment |
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17 | $foo = 'foo'; |
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18 | $bar = *main::foo; |
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19 | $bar = $foo; |
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20 | print ref(\$bar) eq 'SCALAR' ? "ok 1\n" : "not ok 1\n"; |
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21 | $foo = *main::bar; |
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22 | |
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23 | # type coersion (not) on misc ops |
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24 | |
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25 | if ($foo) { |
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26 | print ref(\$foo) eq 'GLOB' ? "ok 2\n" : "not ok 2\n"; |
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27 | } |
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28 | |
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29 | unless ($foo =~ /abcd/) { |
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30 | print ref(\$foo) eq 'GLOB' ? "ok 3\n" : "not ok 3\n"; |
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31 | } |
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32 | |
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33 | if ($foo eq '*main::bar') { |
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34 | print ref(\$foo) eq 'GLOB' ? "ok 4\n" : "not ok 4\n"; |
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35 | } |
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36 | |
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37 | # type coersion on substitutions that match |
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38 | $a = *main::foo; |
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39 | $b = $a; |
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40 | $a =~ s/^X//; |
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41 | print ref(\$a) eq 'GLOB' ? "ok 5\n" : "not ok 5\n"; |
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42 | $a =~ s/^\*//; |
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43 | print $a eq 'main::foo' ? "ok 6\n" : "not ok 6\n"; |
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44 | print ref(\$b) eq 'GLOB' ? "ok 7\n" : "not ok 7\n"; |
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45 | |
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46 | # typeglobs as lvalues |
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47 | substr($foo, 0, 1) = "XXX"; |
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48 | print ref(\$foo) eq 'SCALAR' ? "ok 8\n" : "not ok 8\n"; |
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49 | print $foo eq 'XXXmain::bar' ? "ok 9\n" : "not ok 9\n"; |
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50 | |
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51 | # returning glob values |
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52 | sub foo { |
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53 | local($bar) = *main::foo; |
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54 | $foo = *main::bar; |
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55 | return ($foo, $bar); |
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56 | } |
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57 | |
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58 | ($fuu, $baa) = foo(); |
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59 | if (defined $fuu) { |
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60 | print ref(\$fuu) eq 'GLOB' ? "ok 10\n" : "not ok 10\n"; |
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61 | } |
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62 | |
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63 | if (defined $baa) { |
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64 | print ref(\$baa) eq 'GLOB' ? "ok 11\n" : "not ok 11\n"; |
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65 | } |
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66 | |
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67 | # nested package globs |
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68 | # NOTE: It's probably OK if these semantics change, because the |
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69 | # fact that %X::Y:: is stored in %X:: isn't documented. |
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70 | # (I hope.) |
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71 | |
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72 | { package Foo::Bar; no warnings 'once'; $test=1; } |
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73 | print exists $Foo::{'Bar::'} ? "ok 12\n" : "not ok 12\n"; |
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74 | print $Foo::{'Bar::'} eq '*Foo::Bar::' ? "ok 13\n" : "not ok 13\n"; |
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75 | |
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76 | # test undef operator clearing out entire glob |
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77 | $foo = 'stuff'; |
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78 | @foo = qw(more stuff); |
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79 | %foo = qw(even more random stuff); |
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80 | undef *foo; |
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81 | print +($foo || @foo || %foo) ? "not ok" : "ok", " 14\n"; |
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82 | |
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83 | # test warnings from assignment of undef to glob |
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84 | { |
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85 | my $msg; |
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86 | local $SIG{__WARN__} = sub { $msg = $_[0] }; |
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87 | use warnings; |
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88 | *foo = 'bar'; |
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89 | print $msg ? "not ok" : "ok", " 15\n"; |
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90 | *foo = undef; |
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91 | print $msg ? "ok" : "not ok", " 16\n"; |
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92 | } |
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93 | |
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94 | # test *glob{THING} syntax |
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95 | $x = "ok 17\n"; |
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96 | @x = ("ok 18\n"); |
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97 | %x = ("ok 19" => "\n"); |
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98 | sub x { "ok 20\n" } |
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99 | print ${*x{SCALAR}}, @{*x{ARRAY}}, %{*x{HASH}}, &{*x{CODE}}; |
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100 | format x = |
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101 | ok 21 |
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102 | . |
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103 | print ref *x{FORMAT} eq "FORMAT" ? "ok 21\n" : "not ok 21\n"; |
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104 | *x = *STDOUT; |
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105 | print *{*x{GLOB}} eq "*main::STDOUT" ? "ok 22\n" : "not ok 22\n"; |
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106 | print {*x{IO}} "ok 23\n"; |
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107 | |
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108 | { |
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109 | my $warn; |
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110 | local $SIG{__WARN__} = sub { |
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111 | $warn .= $_[0]; |
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112 | }; |
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113 | my $val = *x{FILEHANDLE}; |
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114 | print {*x{IO}} ($warn =~ /is deprecated/ ? "ok 24\n" : "not ok 24\n"); |
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115 | |
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116 | } |
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117 | |
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118 | # test if defined() doesn't create any new symbols |
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119 | |
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120 | { |
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121 | my $test = 24; |
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122 | |
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123 | my $a = "SYM000"; |
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124 | print "not " if defined *{$a}; |
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125 | ++$test; print "ok $test\n"; |
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126 | |
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127 | print "not " if defined @{$a} or defined *{$a}; |
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128 | ++$test; print "ok $test\n"; |
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129 | |
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130 | print "not " if defined %{$a} or defined *{$a}; |
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131 | ++$test; print "ok $test\n"; |
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132 | |
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133 | print "not " if defined ${$a} or defined *{$a}; |
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134 | ++$test; print "ok $test\n"; |
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135 | |
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136 | print "not " if defined &{$a} or defined *{$a}; |
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137 | ++$test; print "ok $test\n"; |
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138 | |
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139 | *{$a} = sub { print "ok $test\n" }; |
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140 | print "not " unless defined &{$a} and defined *{$a}; |
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141 | ++$test; &{$a}; |
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142 | } |
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143 | |
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144 | # although it *should* if you're talking about magicals |
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145 | |
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146 | { |
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147 | my $test = 30; |
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148 | |
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149 | my $a = "]"; |
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150 | print "not " unless defined ${$a}; |
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151 | ++$test; print "ok $test\n"; |
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152 | print "not " unless defined *{$a}; |
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153 | ++$test; print "ok $test\n"; |
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154 | |
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155 | $a = "1"; |
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156 | "o" =~ /(o)/; |
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157 | print "not " unless ${$a}; |
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158 | ++$test; print "ok $test\n"; |
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159 | print "not " unless defined *{$a}; |
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160 | ++$test; print "ok $test\n"; |
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161 | $a = "2"; |
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162 | print "not " if ${$a}; |
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163 | ++$test; print "ok $test\n"; |
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164 | print "not " unless defined *{$a}; |
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165 | ++$test; print "ok $test\n"; |
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166 | $a = "1x"; |
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167 | print "not " if defined ${$a}; |
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168 | ++$test; print "ok $test\n"; |
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169 | print "not " if defined *{$a}; |
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170 | ++$test; print "ok $test\n"; |
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171 | $a = "11"; |
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172 | "o" =~ /(((((((((((o)))))))))))/; |
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173 | print "not " unless ${$a}; |
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174 | ++$test; print "ok $test\n"; |
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175 | print "not " unless defined *{$a}; |
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176 | ++$test; print "ok $test\n"; |
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177 | } |
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178 | |
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179 | |
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180 | # [ID 20010526.001] localized glob loses value when assigned to |
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181 | |
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182 | $j=1; %j=(a=>1); @j=(1); local *j=*j; *j = sub{}; |
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183 | |
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184 | print $j == 1 ? "ok 41\n" : "not ok 41\n"; |
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185 | print $j{a} == 1 ? "ok 42\n" : "not ok 42\n"; |
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186 | print $j[0] == 1 ? "ok 43\n" : "not ok 43\n"; |
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187 | |
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188 | # does pp_readline() handle glob-ness correctly? |
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189 | |
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190 | { |
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191 | my $g = *foo; |
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192 | $g = <DATA>; |
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193 | print $g; |
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194 | } |
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195 | |
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196 | { |
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197 | my $w = ''; |
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198 | $SIG{__WARN__} = sub { $w = $_[0] }; |
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199 | sub abc1 (); |
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200 | local *abc1 = sub { }; |
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201 | print $w eq '' ? "ok 45\n" : "not ok 45\n# $w"; |
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202 | sub abc2 (); |
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203 | local *abc2; |
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204 | *abc2 = sub { }; |
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205 | print $w eq '' ? "ok 46\n" : "not ok 46\n# $w"; |
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206 | sub abc3 (); |
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207 | *abc3 = sub { }; |
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208 | print $w =~ /Prototype mismatch/ ? "ok 47\n" : "not ok 47\n# $w"; |
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209 | } |
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210 | |
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211 | { |
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212 | # [17375] rcatline to formerly-defined undef was broken. Fixed in |
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213 | # do_readline by checking SvOK. AMS, 20020918 |
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214 | my $x = "not "; |
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215 | $x = undef; |
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216 | $x .= <DATA>; |
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217 | print $x; |
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218 | } |
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219 | |
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220 | __END__ |
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221 | ok 44 |
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222 | ok 48 |
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