1 | #
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2 | # t/test.pl - most of Test::More functionality without the fuss
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3 | #
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4 |
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5 | $Level = 1;
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6 | my $test = 1;
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7 | my $planned;
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8 | my $noplan;
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9 |
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10 | $TODO = 0;
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11 | $NO_ENDING = 0;
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12 |
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13 | sub plan {
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14 | my $n;
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15 | if (@_ == 1) {
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16 | $n = shift;
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17 | if ($n eq 'no_plan') {
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18 | undef $n;
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19 | $noplan = 1;
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20 | }
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21 | } else {
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22 | my %plan = @_;
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23 | $n = $plan{tests};
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24 | }
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25 | print STDOUT "1..$n\n" unless $noplan;
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26 | $planned = $n;
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27 | }
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28 |
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29 | END {
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30 | my $ran = $test - 1;
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31 | if (!$NO_ENDING) {
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32 | if (defined $planned && $planned != $ran) {
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33 | print STDERR
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34 | "# Looks like you planned $planned tests but ran $ran.\n";
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35 | } elsif ($noplan) {
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36 | print "1..$ran\n";
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37 | }
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38 | }
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39 | }
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40 |
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41 | # Use this instead of "print STDERR" when outputing failure diagnostic
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42 | # messages
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43 | sub _diag {
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44 | return unless @_;
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45 | my @mess = map { /^#/ ? "$_\n" : "# $_\n" }
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46 | map { split /\n/ } @_;
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47 | my $fh = $TODO ? *STDOUT : *STDERR;
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48 | print $fh @mess;
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49 |
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50 | }
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51 |
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52 | sub skip_all {
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53 | if (@_) {
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54 | print STDOUT "1..0 # Skipped: @_\n";
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55 | } else {
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56 | print STDOUT "1..0\n";
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57 | }
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58 | exit(0);
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59 | }
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60 |
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61 | sub _ok {
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62 | my ($pass, $where, $name, @mess) = @_;
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63 | # Do not try to microoptimize by factoring out the "not ".
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64 | # VMS will avenge.
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65 | my $out;
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66 | if ($name) {
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67 | # escape out '#' or it will interfere with '# skip' and such
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68 | $name =~ s/#/\\#/g;
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69 | $out = $pass ? "ok $test - $name" : "not ok $test - $name";
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70 | } else {
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71 | $out = $pass ? "ok $test" : "not ok $test";
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72 | }
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73 |
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74 | $out .= " # TODO $TODO" if $TODO;
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75 | print STDOUT "$out\n";
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76 |
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77 | unless ($pass) {
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78 | _diag "# Failed $where\n";
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79 | }
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80 |
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81 | # Ensure that the message is properly escaped.
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82 | _diag @mess;
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83 |
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84 | $test++;
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85 |
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86 | return $pass;
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87 | }
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88 |
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89 | sub _where {
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90 | my @caller = caller($Level);
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91 | return "at $caller[1] line $caller[2]";
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92 | }
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93 |
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94 | # DON'T use this for matches. Use like() instead.
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95 | sub ok ($@) {
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96 | my ($pass, $name, @mess) = @_;
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97 | _ok($pass, _where(), $name, @mess);
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98 | }
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99 |
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100 | sub _q {
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101 | my $x = shift;
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102 | return 'undef' unless defined $x;
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103 | my $q = $x;
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104 | $q =~ s/\\/\\\\/g;
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105 | $q =~ s/'/\\'/g;
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106 | return "'$q'";
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107 | }
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108 |
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109 | sub _qq {
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110 | my $x = shift;
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111 | return defined $x ? '"' . display ($x) . '"' : 'undef';
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112 | };
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113 |
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114 | # keys are the codes \n etc map to, values are 2 char strings such as \n
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115 | my %backslash_escape;
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116 | foreach my $x (split //, 'nrtfa\\\'"') {
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117 | $backslash_escape{ord eval "\"\\$x\""} = "\\$x";
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118 | }
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119 | # A way to display scalars containing control characters and Unicode.
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120 | # Trying to avoid setting $_, or relying on local $_ to work.
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121 | sub display {
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122 | my @result;
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123 | foreach my $x (@_) {
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124 | if (defined $x and not ref $x) {
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125 | my $y = '';
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126 | foreach my $c (unpack("U*", $x)) {
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127 | if ($c > 255) {
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128 | $y .= sprintf "\\x{%x}", $c;
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129 | } elsif ($backslash_escape{$c}) {
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130 | $y .= $backslash_escape{$c};
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131 | } else {
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132 | my $z = chr $c; # Maybe we can get away with a literal...
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133 | $z = sprintf "\\%03o", $c if $z =~ /[[:^print:]]/;
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134 | $y .= $z;
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135 | }
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136 | }
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137 | $x = $y;
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138 | }
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139 | return $x unless wantarray;
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140 | push @result, $x;
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141 | }
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142 | return @result;
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143 | }
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144 |
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145 | sub is ($$@) {
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146 | my ($got, $expected, $name, @mess) = @_;
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147 |
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148 | my $pass;
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149 | if( !defined $got || !defined $expected ) {
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150 | # undef only matches undef
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151 | $pass = !defined $got && !defined $expected;
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152 | }
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153 | else {
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154 | $pass = $got eq $expected;
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155 | }
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156 |
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157 | unless ($pass) {
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158 | unshift(@mess, "# got "._q($got)."\n",
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159 | "# expected "._q($expected)."\n");
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160 | }
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161 | _ok($pass, _where(), $name, @mess);
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162 | }
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163 |
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164 | sub isnt ($$@) {
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165 | my ($got, $isnt, $name, @mess) = @_;
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166 |
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167 | my $pass;
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168 | if( !defined $got || !defined $isnt ) {
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169 | # undef only matches undef
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170 | $pass = defined $got || defined $isnt;
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171 | }
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172 | else {
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173 | $pass = $got ne $isnt;
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174 | }
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175 |
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176 | unless( $pass ) {
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177 | unshift(@mess, "# it should not be "._q($got)."\n",
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178 | "# but it is.\n");
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179 | }
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180 | _ok($pass, _where(), $name, @mess);
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181 | }
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182 |
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183 | sub cmp_ok ($$$@) {
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184 | my($got, $type, $expected, $name, @mess) = @_;
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185 |
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186 | my $pass;
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187 | {
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188 | local $^W = 0;
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189 | local($@,$!); # don't interfere with $@
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190 | # eval() sometimes resets $!
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191 | $pass = eval "\$got $type \$expected";
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192 | }
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193 | unless ($pass) {
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194 | # It seems Irix long doubles can have 2147483648 and 2147483648
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195 | # that stringify to the same thing but are acutally numerically
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196 | # different. Display the numbers if $type isn't a string operator,
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197 | # and the numbers are stringwise the same.
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198 | # (all string operators have alphabetic names, so tr/a-z// is true)
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199 | # This will also show numbers for some uneeded cases, but will
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200 | # definately be helpful for things such as == and <= that fail
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201 | if ($got eq $expected and $type !~ tr/a-z//) {
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202 | unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
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203 | }
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204 | unshift(@mess, "# got "._q($got)."\n",
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205 | "# expected $type "._q($expected)."\n");
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206 | }
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207 | _ok($pass, _where(), $name, @mess);
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208 | }
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209 |
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210 | # Check that $got is within $range of $expected
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211 | # if $range is 0, then check it's exact
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212 | # else if $expected is 0, then $range is an absolute value
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213 | # otherwise $range is a fractional error.
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214 | # Here $range must be numeric, >= 0
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215 | # Non numeric ranges might be a useful future extension. (eg %)
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216 | sub within ($$$@) {
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217 | my ($got, $expected, $range, $name, @mess) = @_;
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218 | my $pass;
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219 | if (!defined $got or !defined $expected or !defined $range) {
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220 | # This is a fail, but doesn't need extra diagnostics
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221 | } elsif ($got !~ tr/0-9// or $expected !~ tr/0-9// or $range !~ tr/0-9//) {
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222 | # This is a fail
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223 | unshift @mess, "# got, expected and range must be numeric\n";
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224 | } elsif ($range < 0) {
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225 | # This is also a fail
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226 | unshift @mess, "# range must not be negative\n";
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227 | } elsif ($range == 0) {
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228 | # Within 0 is ==
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229 | $pass = $got == $expected;
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230 | } elsif ($expected == 0) {
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231 | # If expected is 0, treat range as absolute
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232 | $pass = ($got <= $range) && ($got >= - $range);
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233 | } else {
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234 | my $diff = $got - $expected;
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235 | $pass = abs ($diff / $expected) < $range;
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236 | }
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237 | unless ($pass) {
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238 | if ($got eq $expected) {
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239 | unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
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240 | }
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241 | unshift@mess, "# got "._q($got)."\n",
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242 | "# expected "._q($expected)." (within "._q($range).")\n";
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243 | }
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244 | _ok($pass, _where(), $name, @mess);
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245 | }
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246 |
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247 | # Note: this isn't quite as fancy as Test::More::like().
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248 |
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249 | sub like ($$@) { like_yn (0,@_) }; # 0 for -
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250 | sub unlike ($$@) { like_yn (1,@_) }; # 1 for un-
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251 |
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252 | sub like_yn ($$$@) {
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253 | my ($flip, $got, $expected, $name, @mess) = @_;
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254 | my $pass;
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255 | $pass = $got =~ /$expected/ if !$flip;
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256 | $pass = $got !~ /$expected/ if $flip;
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257 | unless ($pass) {
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258 | unshift(@mess, "# got '$got'\n",
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259 | "# expected /$expected/\n");
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260 | }
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261 | local $Level = 2;
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262 | _ok($pass, _where(), $name, @mess);
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263 | }
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264 |
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265 | sub pass {
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266 | _ok(1, '', @_);
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267 | }
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268 |
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269 | sub fail {
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270 | _ok(0, _where(), @_);
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271 | }
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272 |
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273 | sub curr_test {
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274 | $test = shift if @_;
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275 | return $test;
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276 | }
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277 |
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278 | sub next_test {
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279 | $test++;
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280 | }
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281 |
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282 | # Note: can't pass multipart messages since we try to
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283 | # be compatible with Test::More::skip().
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284 | sub skip {
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285 | my $why = shift;
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286 | my $n = @_ ? shift : 1;
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287 | for (1..$n) {
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288 | print STDOUT "ok $test # skip: $why\n";
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289 | $test++;
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290 | }
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291 | local $^W = 0;
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292 | last SKIP;
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293 | }
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294 |
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295 | sub todo_skip {
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296 | my $why = shift;
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297 | my $n = @_ ? shift : 1;
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298 |
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299 | for (1..$n) {
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300 | print STDOUT "not ok $test # TODO & SKIP: $why\n";
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301 | $test++;
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302 | }
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303 | local $^W = 0;
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304 | last TODO;
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305 | }
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306 |
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307 | sub eq_array {
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308 | my ($ra, $rb) = @_;
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309 | return 0 unless $#$ra == $#$rb;
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310 | for my $i (0..$#$ra) {
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311 | next if !defined $ra->[$i] && !defined $rb->[$i];
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312 | return 0 if !defined $ra->[$i];
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313 | return 0 if !defined $rb->[$i];
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314 | return 0 unless $ra->[$i] eq $rb->[$i];
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315 | }
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316 | return 1;
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317 | }
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318 |
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319 | sub eq_hash {
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320 | my ($orig, $suspect) = @_;
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321 | my $fail;
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322 | while (my ($key, $value) = each %$suspect) {
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323 | # Force a hash recompute if this perl's internals can cache the hash key.
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324 | $key = "" . $key;
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325 | if (exists $orig->{$key}) {
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326 | if ($orig->{$key} ne $value) {
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327 | print STDOUT "# key ", _qq($key), " was ", _qq($orig->{$key}),
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328 | " now ", _qq($value), "\n";
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329 | $fail = 1;
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330 | }
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331 | } else {
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332 | print STDOUT "# key ", _qq($key), " is ", _qq($value),
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333 | ", not in original.\n";
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334 | $fail = 1;
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335 | }
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336 | }
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337 | foreach (keys %$orig) {
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338 | # Force a hash recompute if this perl's internals can cache the hash key.
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339 | $_ = "" . $_;
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340 | next if (exists $suspect->{$_});
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341 | print STDOUT "# key ", _qq($_), " was ", _qq($orig->{$_}), " now missing.\n";
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342 | $fail = 1;
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343 | }
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344 | !$fail;
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345 | }
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346 |
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347 | sub require_ok ($) {
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348 | my ($require) = @_;
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349 | eval <<REQUIRE_OK;
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350 | require $require;
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351 | REQUIRE_OK
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352 | _ok(!$@, _where(), "require $require");
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353 | }
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354 |
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355 | sub use_ok ($) {
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356 | my ($use) = @_;
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357 | eval <<USE_OK;
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358 | use $use;
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359 | USE_OK
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360 | _ok(!$@, _where(), "use $use");
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361 | }
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362 |
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363 | # runperl - Runs a separate perl interpreter.
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364 | # Arguments :
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365 | # switches => [ command-line switches ]
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366 | # nolib => 1 # don't use -I../lib (included by default)
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367 | # prog => one-liner (avoid quotes)
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368 | # progs => [ multi-liner (avoid quotes) ]
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369 | # progfile => perl script
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370 | # stdin => string to feed the stdin
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371 | # stderr => redirect stderr to stdout
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372 | # args => [ command-line arguments to the perl program ]
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373 | # verbose => print the command line
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374 |
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375 | my $is_mswin = $^O eq 'MSWin32';
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376 | my $is_netware = $^O eq 'NetWare';
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377 | my $is_macos = $^O eq 'MacOS';
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378 | my $is_vms = $^O eq 'VMS';
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379 |
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380 | sub _quote_args {
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381 | my ($runperl, $args) = @_;
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382 |
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383 | foreach (@$args) {
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384 | # In VMS protect with doublequotes because otherwise
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385 | # DCL will lowercase -- unless already doublequoted.
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386 | $_ = q(").$_.q(") if $is_vms && !/^\"/ && length($_) > 0;
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387 | $$runperl .= ' ' . $_;
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388 | }
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389 | }
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390 |
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391 | sub _create_runperl { # Create the string to qx in runperl().
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392 | my %args = @_;
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393 | my $runperl = $^X =~ m/\s/ ? qq{"$^X"} : $^X;
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394 | #- this allows, for example, to set PERL_RUNPERL_DEBUG=/usr/bin/valgrind
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395 | if ($ENV{PERL_RUNPERL_DEBUG}) {
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396 | $runperl = "$ENV{PERL_RUNPERL_DEBUG} $runperl";
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397 | }
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398 | unless ($args{nolib}) {
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399 | if ($is_macos) {
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400 | $runperl .= ' -I::lib';
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401 | # Use UNIX style error messages instead of MPW style.
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402 | $runperl .= ' -MMac::err=unix' if $args{stderr};
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403 | }
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404 | else {
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405 | $runperl .= ' "-I../lib"'; # doublequotes because of VMS
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406 | }
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407 | }
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408 | if ($args{switches}) {
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409 | local $Level = 2;
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410 | die "test.pl:runperl(): 'switches' must be an ARRAYREF " . _where()
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411 | unless ref $args{switches} eq "ARRAY";
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412 | _quote_args(\$runperl, $args{switches});
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413 | }
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414 | if (defined $args{prog}) {
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415 | die "test.pl:runperl(): both 'prog' and 'progs' cannot be used " . _where()
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416 | if defined $args{progs};
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417 | $args{progs} = [$args{prog}]
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418 | }
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419 | if (defined $args{progs}) {
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420 | die "test.pl:runperl(): 'progs' must be an ARRAYREF " . _where()
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421 | unless ref $args{progs} eq "ARRAY";
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422 | foreach my $prog (@{$args{progs}}) {
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423 | if ($is_mswin || $is_netware || $is_vms) {
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424 | $runperl .= qq ( -e "$prog" );
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425 | }
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426 | else {
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427 | $runperl .= qq ( -e '$prog' );
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428 | }
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429 | }
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430 | } elsif (defined $args{progfile}) {
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431 | $runperl .= qq( "$args{progfile}");
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432 | } else {
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433 | # You probaby didn't want to be sucking in from the upstream stdin
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434 | die "test.pl:runperl(): none of prog, progs, progfile, args, "
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435 | . " switches or stdin specified"
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436 | unless defined $args{args} or defined $args{switches}
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437 | or defined $args{stdin};
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438 | }
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439 | if (defined $args{stdin}) {
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440 | # so we don't try to put literal newlines and crs onto the
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441 | # command line.
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442 | $args{stdin} =~ s/\n/\\n/g;
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443 | $args{stdin} =~ s/\r/\\r/g;
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444 |
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445 | if ($is_mswin || $is_netware || $is_vms) {
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446 | $runperl = qq{$^X -e "print qq(} .
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447 | $args{stdin} . q{)" | } . $runperl;
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448 | }
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449 | elsif ($is_macos) {
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450 | # MacOS can only do two processes under MPW at once;
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451 | # the test itself is one; we can't do two more, so
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452 | # write to temp file
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453 | my $stdin = qq{$^X -e 'print qq(} . $args{stdin} . qq{)' > teststdin; };
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454 | if ($args{verbose}) {
|
---|
455 | my $stdindisplay = $stdin;
|
---|
456 | $stdindisplay =~ s/\n/\n\#/g;
|
---|
457 | print STDERR "# $stdindisplay\n";
|
---|
458 | }
|
---|
459 | `$stdin`;
|
---|
460 | $runperl .= q{ < teststdin };
|
---|
461 | }
|
---|
462 | else {
|
---|
463 | $runperl = qq{$^X -e 'print qq(} .
|
---|
464 | $args{stdin} . q{)' | } . $runperl;
|
---|
465 | }
|
---|
466 | }
|
---|
467 | if (defined $args{args}) {
|
---|
468 | _quote_args(\$runperl, $args{args});
|
---|
469 | }
|
---|
470 | $runperl .= ' 2>&1' if $args{stderr} && !$is_macos;
|
---|
471 | $runperl .= " \xB3 Dev:Null" if !$args{stderr} && $is_macos;
|
---|
472 | if ($args{verbose}) {
|
---|
473 | my $runperldisplay = $runperl;
|
---|
474 | $runperldisplay =~ s/\n/\n\#/g;
|
---|
475 | print STDERR "# $runperldisplay\n";
|
---|
476 | }
|
---|
477 | return $runperl;
|
---|
478 | }
|
---|
479 |
|
---|
480 | sub runperl {
|
---|
481 | die "test.pl:runperl() does not take a hashref"
|
---|
482 | if ref $_[0] and ref $_[0] eq 'HASH';
|
---|
483 | my $runperl = &_create_runperl;
|
---|
484 | my $result = `$runperl`;
|
---|
485 | $result =~ s/\n\n/\n/ if $is_vms; # XXX pipes sometimes double these
|
---|
486 | return $result;
|
---|
487 | }
|
---|
488 |
|
---|
489 | *run_perl = \&runperl; # Nice alias.
|
---|
490 |
|
---|
491 | sub DIE {
|
---|
492 | print STDERR "# @_\n";
|
---|
493 | exit 1;
|
---|
494 | }
|
---|
495 |
|
---|
496 | # A somewhat safer version of the sometimes wrong $^X.
|
---|
497 | my $Perl;
|
---|
498 | sub which_perl {
|
---|
499 | unless (defined $Perl) {
|
---|
500 | $Perl = $^X;
|
---|
501 |
|
---|
502 | # VMS should have 'perl' aliased properly
|
---|
503 | return $Perl if $^O eq 'VMS';
|
---|
504 |
|
---|
505 | my $exe;
|
---|
506 | eval "require Config; Config->import";
|
---|
507 | if ($@) {
|
---|
508 | warn "test.pl had problems loading Config: $@";
|
---|
509 | $exe = '';
|
---|
510 | } else {
|
---|
511 | $exe = $Config{_exe};
|
---|
512 | }
|
---|
513 | $exe = '' unless defined $exe;
|
---|
514 |
|
---|
515 | # This doesn't absolutize the path: beware of future chdirs().
|
---|
516 | # We could do File::Spec->abs2rel() but that does getcwd()s,
|
---|
517 | # which is a bit heavyweight to do here.
|
---|
518 |
|
---|
519 | if ($Perl =~ /^perl\Q$exe\E$/i) {
|
---|
520 | my $perl = "perl$exe";
|
---|
521 | eval "require File::Spec";
|
---|
522 | if ($@) {
|
---|
523 | warn "test.pl had problems loading File::Spec: $@";
|
---|
524 | $Perl = "./$perl";
|
---|
525 | } else {
|
---|
526 | $Perl = File::Spec->catfile(File::Spec->curdir(), $perl);
|
---|
527 | }
|
---|
528 | }
|
---|
529 |
|
---|
530 | # Build up the name of the executable file from the name of
|
---|
531 | # the command.
|
---|
532 |
|
---|
533 | if ($Perl !~ /\Q$exe\E$/i) {
|
---|
534 | $Perl .= $exe;
|
---|
535 | }
|
---|
536 |
|
---|
537 | warn "which_perl: cannot find $Perl from $^X" unless -f $Perl;
|
---|
538 |
|
---|
539 | # For subcommands to use.
|
---|
540 | $ENV{PERLEXE} = $Perl;
|
---|
541 | }
|
---|
542 | return $Perl;
|
---|
543 | }
|
---|
544 |
|
---|
545 | sub unlink_all {
|
---|
546 | foreach my $file (@_) {
|
---|
547 | 1 while unlink $file;
|
---|
548 | print STDERR "# Couldn't unlink '$file': $!\n" if -f $file;
|
---|
549 | }
|
---|
550 | }
|
---|
551 |
|
---|
552 |
|
---|
553 | my $tmpfile = "misctmp000";
|
---|
554 | 1 while -f ++$tmpfile;
|
---|
555 | END { unlink_all $tmpfile }
|
---|
556 |
|
---|
557 | #
|
---|
558 | # _fresh_perl
|
---|
559 | #
|
---|
560 | # The $resolve must be a subref that tests the first argument
|
---|
561 | # for success, or returns the definition of success (e.g. the
|
---|
562 | # expected scalar) if given no arguments.
|
---|
563 | #
|
---|
564 |
|
---|
565 | sub _fresh_perl {
|
---|
566 | my($prog, $resolve, $runperl_args, $name) = @_;
|
---|
567 |
|
---|
568 | $runperl_args ||= {};
|
---|
569 | $runperl_args->{progfile} = $tmpfile;
|
---|
570 | $runperl_args->{stderr} = 1;
|
---|
571 |
|
---|
572 | open TEST, ">$tmpfile" or die "Cannot open $tmpfile: $!";
|
---|
573 |
|
---|
574 | # VMS adjustments
|
---|
575 | if( $^O eq 'VMS' ) {
|
---|
576 | $prog =~ s#/dev/null#NL:#;
|
---|
577 |
|
---|
578 | # VMS file locking
|
---|
579 | $prog =~ s{if \(-e _ and -f _ and -r _\)}
|
---|
580 | {if (-e _ and -f _)}
|
---|
581 | }
|
---|
582 |
|
---|
583 | print TEST $prog;
|
---|
584 | close TEST or die "Cannot close $tmpfile: $!";
|
---|
585 |
|
---|
586 | my $results = runperl(%$runperl_args);
|
---|
587 | my $status = $?;
|
---|
588 |
|
---|
589 | # Clean up the results into something a bit more predictable.
|
---|
590 | $results =~ s/\n+$//;
|
---|
591 | $results =~ s/at\s+misctmp\d+\s+line/at - line/g;
|
---|
592 | $results =~ s/of\s+misctmp\d+\s+aborted/of - aborted/g;
|
---|
593 |
|
---|
594 | # bison says 'parse error' instead of 'syntax error',
|
---|
595 | # various yaccs may or may not capitalize 'syntax'.
|
---|
596 | $results =~ s/^(syntax|parse) error/syntax error/mig;
|
---|
597 |
|
---|
598 | if ($^O eq 'VMS') {
|
---|
599 | # some tests will trigger VMS messages that won't be expected
|
---|
600 | $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
|
---|
601 |
|
---|
602 | # pipes double these sometimes
|
---|
603 | $results =~ s/\n\n/\n/g;
|
---|
604 | }
|
---|
605 |
|
---|
606 | my $pass = $resolve->($results);
|
---|
607 | unless ($pass) {
|
---|
608 | _diag "# PROG: \n$prog\n";
|
---|
609 | _diag "# EXPECTED:\n", $resolve->(), "\n";
|
---|
610 | _diag "# GOT:\n$results\n";
|
---|
611 | _diag "# STATUS: $status\n";
|
---|
612 | }
|
---|
613 |
|
---|
614 | # Use the first line of the program as a name if none was given
|
---|
615 | unless( $name ) {
|
---|
616 | ($first_line, $name) = $prog =~ /^((.{1,50}).*)/;
|
---|
617 | $name .= '...' if length $first_line > length $name;
|
---|
618 | }
|
---|
619 |
|
---|
620 | _ok($pass, _where(), "fresh_perl - $name");
|
---|
621 | }
|
---|
622 |
|
---|
623 | #
|
---|
624 | # fresh_perl_is
|
---|
625 | #
|
---|
626 | # Combination of run_perl() and is().
|
---|
627 | #
|
---|
628 |
|
---|
629 | sub fresh_perl_is {
|
---|
630 | my($prog, $expected, $runperl_args, $name) = @_;
|
---|
631 | local $Level = 2;
|
---|
632 | _fresh_perl($prog,
|
---|
633 | sub { @_ ? $_[0] eq $expected : $expected },
|
---|
634 | $runperl_args, $name);
|
---|
635 | }
|
---|
636 |
|
---|
637 | #
|
---|
638 | # fresh_perl_like
|
---|
639 | #
|
---|
640 | # Combination of run_perl() and like().
|
---|
641 | #
|
---|
642 |
|
---|
643 | sub fresh_perl_like {
|
---|
644 | my($prog, $expected, $runperl_args, $name) = @_;
|
---|
645 | local $Level = 2;
|
---|
646 | _fresh_perl($prog,
|
---|
647 | sub { @_ ?
|
---|
648 | $_[0] =~ (ref $expected ? $expected : /$expected/) :
|
---|
649 | $expected },
|
---|
650 | $runperl_args, $name);
|
---|
651 | }
|
---|
652 |
|
---|
653 | sub can_ok ($@) {
|
---|
654 | my($proto, @methods) = @_;
|
---|
655 | my $class = ref $proto || $proto;
|
---|
656 |
|
---|
657 | unless( @methods ) {
|
---|
658 | return _ok( 0, _where(), "$class->can(...)" );
|
---|
659 | }
|
---|
660 |
|
---|
661 | my @nok = ();
|
---|
662 | foreach my $method (@methods) {
|
---|
663 | local($!, $@); # don't interfere with caller's $@
|
---|
664 | # eval sometimes resets $!
|
---|
665 | eval { $proto->can($method) } || push @nok, $method;
|
---|
666 | }
|
---|
667 |
|
---|
668 | my $name;
|
---|
669 | $name = @methods == 1 ? "$class->can('$methods[0]')"
|
---|
670 | : "$class->can(...)";
|
---|
671 |
|
---|
672 | _ok( !@nok, _where(), $name );
|
---|
673 | }
|
---|
674 |
|
---|
675 | sub isa_ok ($$;$) {
|
---|
676 | my($object, $class, $obj_name) = @_;
|
---|
677 |
|
---|
678 | my $diag;
|
---|
679 | $obj_name = 'The object' unless defined $obj_name;
|
---|
680 | my $name = "$obj_name isa $class";
|
---|
681 | if( !defined $object ) {
|
---|
682 | $diag = "$obj_name isn't defined";
|
---|
683 | }
|
---|
684 | elsif( !ref $object ) {
|
---|
685 | $diag = "$obj_name isn't a reference";
|
---|
686 | }
|
---|
687 | else {
|
---|
688 | # We can't use UNIVERSAL::isa because we want to honor isa() overrides
|
---|
689 | local($@, $!); # eval sometimes resets $!
|
---|
690 | my $rslt = eval { $object->isa($class) };
|
---|
691 | if( $@ ) {
|
---|
692 | if( $@ =~ /^Can't call method "isa" on unblessed reference/ ) {
|
---|
693 | if( !UNIVERSAL::isa($object, $class) ) {
|
---|
694 | my $ref = ref $object;
|
---|
695 | $diag = "$obj_name isn't a '$class' it's a '$ref'";
|
---|
696 | }
|
---|
697 | } else {
|
---|
698 | die <<WHOA;
|
---|
699 | WHOA! I tried to call ->isa on your object and got some weird error.
|
---|
700 | This should never happen. Please contact the author immediately.
|
---|
701 | Here's the error.
|
---|
702 | $@
|
---|
703 | WHOA
|
---|
704 | }
|
---|
705 | }
|
---|
706 | elsif( !$rslt ) {
|
---|
707 | my $ref = ref $object;
|
---|
708 | $diag = "$obj_name isn't a '$class' it's a '$ref'";
|
---|
709 | }
|
---|
710 | }
|
---|
711 |
|
---|
712 | _ok( !$diag, _where(), $name );
|
---|
713 | }
|
---|
714 |
|
---|
715 | 1;
|
---|