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1 | #!/usr/bin/perl |
2 | |
3 | use strict; |
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4 | use warnings; |
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5 | |
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6 | use Test::More tests => 25; |
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7 | |
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8 | use Try::Tiny; |
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9 | |
10 | sub _eval { |
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11 | local $@; |
12 | local $Test::Builder::Level = $Test::Builder::Level + 2; |
13 | return ( scalar(eval { $_[0]->(); 1 }), $@ ); |
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14 | } |
15 | |
16 | |
17 | sub lives_ok (&$) { |
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18 | my ( $code, $desc ) = @_; |
19 | local $Test::Builder::Level = $Test::Builder::Level + 1; |
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20 | |
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21 | my ( $ok, $error ) = _eval($code); |
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22 | |
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23 | ok($ok, $desc ); |
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24 | |
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25 | diag "error: $@" unless $ok; |
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26 | } |
27 | |
28 | sub throws_ok (&$$) { |
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29 | my ( $code, $regex, $desc ) = @_; |
30 | local $Test::Builder::Level = $Test::Builder::Level + 1; |
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31 | |
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32 | my ( $ok, $error ) = _eval($code); |
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33 | |
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34 | if ( $ok ) { |
35 | fail($desc); |
36 | } else { |
37 | like($error || '', $regex, $desc ); |
38 | } |
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39 | } |
40 | |
41 | |
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42 | my $prev; |
43 | |
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44 | lives_ok { |
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45 | try { |
46 | die "foo"; |
47 | }; |
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48 | } "basic try"; |
49 | |
50 | throws_ok { |
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51 | try { |
52 | die "foo"; |
53 | } catch { die $_ }; |
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54 | } qr/foo/, "rethrow"; |
55 | |
56 | |
57 | { |
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58 | local $@ = "magic"; |
59 | is( try { 42 }, 42, "try block evaluated" ); |
60 | is( $@, "magic", '$@ untouched' ); |
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61 | } |
62 | |
63 | { |
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64 | local $@ = "magic"; |
65 | is( try { die "foo" }, undef, "try block died" ); |
66 | is( $@, "magic", '$@ untouched' ); |
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67 | } |
68 | |
69 | { |
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70 | local $@ = "magic"; |
71 | like( (try { die "foo" } catch { $_ }), qr/foo/, "catch block evaluated" ); |
72 | is( $@, "magic", '$@ untouched' ); |
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73 | } |
74 | |
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75 | is( scalar(try { "foo", "bar", "gorch" }), "gorch", "scalar context try" ); |
76 | is_deeply( [ try {qw(foo bar gorch)} ], [qw(foo bar gorch)], "list context try" ); |
77 | |
78 | is( scalar(try { die } catch { "foo", "bar", "gorch" }), "gorch", "scalar context catch" ); |
79 | is_deeply( [ try { die } catch {qw(foo bar gorch)} ], [qw(foo bar gorch)], "list context catch" ); |
80 | |
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81 | |
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82 | { |
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83 | my ($sub) = catch { my $a = $_; }; |
84 | is(ref($sub), 'Try::Tiny::Catch', 'Checking catch subroutine scalar reference is correctly blessed'); |
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85 | } |
86 | |
87 | { |
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88 | my ($sub) = finally { my $a = $_; }; |
89 | is(ref($sub), 'Try::Tiny::Finally', 'Checking finally subroutine scalar reference is correctly blessed'); |
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90 | } |
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91 | |
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92 | lives_ok { |
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93 | try { |
94 | die "foo"; |
95 | } catch { |
96 | my $err = shift; |
97 | |
98 | try { |
99 | like $err, qr/foo/; |
100 | } catch { |
101 | fail("shouldn't happen"); |
102 | }; |
103 | |
104 | pass "got here"; |
105 | } |
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106 | } "try in try catch block"; |
107 | |
108 | throws_ok { |
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109 | try { |
110 | die "foo"; |
111 | } catch { |
112 | my $err = shift; |
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113 | |
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114 | try { } catch { }; |
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115 | |
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116 | die "rethrowing $err"; |
117 | } |
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118 | } qr/rethrowing foo/, "rethrow with try in catch block"; |
119 | |
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120 | |
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121 | sub Evil::DESTROY { |
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122 | eval { "oh noes" }; |
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123 | } |
124 | |
125 | sub Evil::new { bless { }, $_[0] } |
126 | |
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127 | { |
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128 | local $@ = "magic"; |
129 | local $_ = "other magic"; |
130 | |
131 | try { |
132 | my $object = Evil->new; |
133 | die "foo"; |
134 | } catch { |
135 | pass("catch invoked"); |
136 | local $TODO = "i don't think we can ever make this work sanely, maybe with SIG{__DIE__}" if $] < 5.014; |
137 | like($_, qr/foo/); |
138 | }; |
139 | |
140 | is( $@, "magic", '$@ untouched' ); |
141 | is( $_, "other magic", '$_ untouched' ); |
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142 | } |
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143 | |
144 | { |
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145 | my ( $caught, $prev ); |
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146 | |
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147 | { |
148 | local $@; |
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149 | |
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150 | eval { die "bar\n" }; |
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151 | |
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152 | is( $@, "bar\n", 'previous value of $@' ); |
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153 | |
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154 | try { |
155 | die { |
156 | prev => $@, |
157 | } |
158 | } catch { |
159 | $caught = $_; |
160 | $prev = $@; |
161 | } |
162 | } |
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163 | |
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164 | is_deeply( $caught, { prev => "bar\n" }, 'previous value of $@ available for capture' ); |
165 | is( $prev, "bar\n", 'previous value of $@ also available in catch block' ); |
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166 | } |