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1 | use strict; |
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2 | use warnings; |
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3 | |
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4 | use Test::More tests => 25; |
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5 | use Try::Tiny; |
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6 | |
7 | sub _eval { |
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8 | local $@; |
9 | local $Test::Builder::Level = $Test::Builder::Level + 2; |
10 | return ( scalar(eval { $_[0]->(); 1 }), $@ ); |
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11 | } |
12 | |
13 | |
14 | sub lives_ok (&$) { |
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15 | my ( $code, $desc ) = @_; |
16 | local $Test::Builder::Level = $Test::Builder::Level + 1; |
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17 | |
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18 | my ( $ok, $error ) = _eval($code); |
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19 | |
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20 | ok($ok, $desc ); |
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21 | |
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22 | diag "error: $@" unless $ok; |
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23 | } |
24 | |
25 | sub throws_ok (&$$) { |
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26 | my ( $code, $regex, $desc ) = @_; |
27 | local $Test::Builder::Level = $Test::Builder::Level + 1; |
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28 | |
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29 | my ( $ok, $error ) = _eval($code); |
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30 | |
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31 | if ( $ok ) { |
32 | fail($desc); |
33 | } else { |
34 | like($error || '', $regex, $desc ); |
35 | } |
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36 | } |
37 | |
38 | |
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39 | my $prev; |
40 | |
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41 | lives_ok { |
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42 | try { |
43 | die "foo"; |
44 | }; |
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45 | } "basic try"; |
46 | |
47 | throws_ok { |
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48 | try { |
49 | die "foo"; |
50 | } catch { die $_ }; |
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51 | } qr/foo/, "rethrow"; |
52 | |
53 | |
54 | { |
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55 | local $@ = "magic"; |
56 | is( try { 42 }, 42, "try block evaluated" ); |
57 | is( $@, "magic", '$@ untouched' ); |
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58 | } |
59 | |
60 | { |
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61 | local $@ = "magic"; |
62 | is( try { die "foo" }, undef, "try block died" ); |
63 | is( $@, "magic", '$@ untouched' ); |
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64 | } |
65 | |
66 | { |
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67 | local $@ = "magic"; |
68 | like( (try { die "foo" } catch { $_ }), qr/foo/, "catch block evaluated" ); |
69 | is( $@, "magic", '$@ untouched' ); |
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70 | } |
71 | |
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72 | is( scalar(try { "foo", "bar", "gorch" }), "gorch", "scalar context try" ); |
73 | is_deeply( [ try {qw(foo bar gorch)} ], [qw(foo bar gorch)], "list context try" ); |
74 | |
75 | is( scalar(try { die } catch { "foo", "bar", "gorch" }), "gorch", "scalar context catch" ); |
76 | is_deeply( [ try { die } catch {qw(foo bar gorch)} ], [qw(foo bar gorch)], "list context catch" ); |
77 | |
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78 | |
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79 | { |
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80 | my ($sub) = catch { my $a = $_; }; |
81 | is(ref($sub), 'Try::Tiny::Catch', 'Checking catch subroutine scalar reference is correctly blessed'); |
d864c889 |
82 | } |
83 | |
84 | { |
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85 | my ($sub) = finally { my $a = $_; }; |
86 | is(ref($sub), 'Try::Tiny::Finally', 'Checking finally subroutine scalar reference is correctly blessed'); |
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87 | } |
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88 | |
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89 | lives_ok { |
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90 | try { |
91 | die "foo"; |
92 | } catch { |
93 | my $err = shift; |
94 | |
95 | try { |
96 | like $err, qr/foo/; |
97 | } catch { |
98 | fail("shouldn't happen"); |
99 | }; |
100 | |
101 | pass "got here"; |
102 | } |
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103 | } "try in try catch block"; |
104 | |
105 | throws_ok { |
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106 | try { |
107 | die "foo"; |
108 | } catch { |
109 | my $err = shift; |
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110 | |
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111 | try { } catch { }; |
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112 | |
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113 | die "rethrowing $err"; |
114 | } |
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115 | } qr/rethrowing foo/, "rethrow with try in catch block"; |
116 | |
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117 | |
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118 | sub Evil::DESTROY { |
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119 | eval { "oh noes" }; |
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120 | } |
121 | |
122 | sub Evil::new { bless { }, $_[0] } |
123 | |
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124 | { |
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125 | local $@ = "magic"; |
126 | local $_ = "other magic"; |
127 | |
128 | try { |
129 | my $object = Evil->new; |
130 | die "foo"; |
131 | } catch { |
132 | pass("catch invoked"); |
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133 | local $TODO = "i don't think we can ever make this work sanely, maybe with SIG{__DIE__}" if "$]" < 5.014; |
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134 | like($_, qr/foo/); |
135 | }; |
136 | |
137 | is( $@, "magic", '$@ untouched' ); |
138 | is( $_, "other magic", '$_ untouched' ); |
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139 | } |
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140 | |
141 | { |
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142 | my ( $caught, $prev ); |
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143 | |
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144 | { |
145 | local $@; |
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146 | |
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147 | eval { die "bar\n" }; |
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148 | |
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149 | is( $@, "bar\n", 'previous value of $@' ); |
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150 | |
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151 | try { |
152 | die { |
153 | prev => $@, |
154 | } |
155 | } catch { |
156 | $caught = $_; |
157 | $prev = $@; |
158 | } |
159 | } |
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160 | |
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161 | is_deeply( $caught, { prev => "bar\n" }, 'previous value of $@ available for capture' ); |
162 | is( $prev, "bar\n", 'previous value of $@ also available in catch block' ); |
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163 | } |