Commit | Line | Data |
---|---|---|
b13fd70a RGS |
1 | #!perl |
2 | ||
cf1e28d2 NC |
3 | print "1..39\n"; |
4 | my $test = 0; | |
5 | ||
6 | sub failed { | |
9924e635 | 7 | my ($got, $expected, $name) = @_; |
cf1e28d2 | 8 | |
9924e635 | 9 | print "not ok $test - $name\n"; |
cf1e28d2 NC |
10 | my @caller = caller(1); |
11 | print "# Failed test at $caller[1] line $caller[2]\n"; | |
12 | if (defined $got) { | |
13 | print "# Got '$got'\n"; | |
14 | } else { | |
15 | print "# Got undef\n"; | |
16 | } | |
17 | print "# Expected $expected\n"; | |
18 | return; | |
b13fd70a RGS |
19 | } |
20 | ||
cf1e28d2 NC |
21 | sub like { |
22 | my ($got, $pattern) = @_; | |
23 | $test = $test + 1; | |
24 | if (defined $got && $got =~ $pattern) { | |
25 | print "ok $test\n"; | |
26 | # Principle of least surprise - maintain the expected interface, even | |
27 | # though we aren't using it here (yet). | |
28 | return 1; | |
29 | } | |
9924e635 | 30 | failed($got, $pattern, $name); |
cf1e28d2 NC |
31 | } |
32 | ||
33 | sub is { | |
34 | my ($got, $expect) = @_; | |
35 | $test = $test + 1; | |
36 | if (defined $expect) { | |
37 | if (defined $got && $got eq $expect) { | |
38 | print "ok $test\n"; | |
39 | return 1; | |
40 | } | |
9924e635 | 41 | failed($got, "'$expect'", $name); |
cf1e28d2 NC |
42 | } else { |
43 | if (!defined $got) { | |
44 | print "ok $test\n"; | |
45 | return 1; | |
46 | } | |
9924e635 | 47 | failed($got, 'undef', $name); |
cf1e28d2 NC |
48 | } |
49 | } | |
b13fd70a RGS |
50 | |
51 | sub f($$_) { my $x = shift; is("@_", $x) } | |
52 | ||
53 | $foo = "FOO"; | |
54 | my $bar = "BAR"; | |
55 | $_ = 42; | |
56 | ||
57 | f("FOO xy", $foo, "xy"); | |
58 | f("BAR zt", $bar, "zt"); | |
59 | f("FOO 42", $foo); | |
60 | f("BAR 42", $bar); | |
61 | f("y 42", substr("xy",1,1)); | |
62 | f("1 42", ("abcdef" =~ /abc/)); | |
63 | f("not undef 42", $undef || "not undef"); | |
64 | f(" 42", -f "no_such_file"); | |
65 | f("FOOBAR 42", ($foo . $bar)); | |
66 | f("FOOBAR 42", ($foo .= $bar)); | |
67 | f("FOOBAR 42", $foo); | |
68 | ||
69 | eval q{ f("foo") }; | |
70 | like( $@, qr/Not enough arguments for main::f at/ ); | |
71 | eval q{ f(1,2,3,4) }; | |
72 | like( $@, qr/Too many arguments for main::f at/ ); | |
73 | ||
236b555a RGS |
74 | { |
75 | my $_ = "quarante-deux"; | |
76 | $foo = "FOO"; | |
77 | $bar = "BAR"; | |
78 | f("FOO quarante-deux", $foo); | |
79 | f("BAR quarante-deux", $bar); | |
80 | f("y quarante-deux", substr("xy",1,1)); | |
81 | f("1 quarante-deux", ("abcdef" =~ /abc/)); | |
82 | f("not undef quarante-deux", $undef || "not undef"); | |
83 | f(" quarante-deux", -f "no_such_file"); | |
84 | f("FOOBAR quarante-deux", ($foo . $bar)); | |
85 | f("FOOBAR quarante-deux", ($foo .= $bar)); | |
86 | f("FOOBAR quarante-deux", $foo); | |
87 | } | |
88 | ||
b13fd70a RGS |
89 | &f(""); # no error |
90 | ||
236b555a RGS |
91 | sub g(_) { is(shift, $expected) } |
92 | ||
93 | $expected = "foo"; | |
94 | g("foo"); | |
95 | g($expected); | |
96 | $_ = $expected; | |
97 | g(); | |
3cd0a11a | 98 | g; |
236b555a RGS |
99 | undef $expected; &g; # $_ not passed |
100 | { $expected = my $_ = "bar"; g() } | |
f00d1d61 RGS |
101 | |
102 | eval q{ sub wrong1 (_$); wrong1(1,2) }; | |
103 | like( $@, qr/Malformed prototype for main::wrong1/, 'wrong1' ); | |
104 | ||
105 | eval q{ sub wrong2 ($__); wrong2(1,2) }; | |
106 | like( $@, qr/Malformed prototype for main::wrong2/, 'wrong2' ); | |
5df4b323 | 107 | |
3d899d64 NC |
108 | sub opt ($;_) { |
109 | is($_[0], "seen"); | |
110 | is($_[1], undef, "; has precedence over _"); | |
111 | } | |
112 | ||
5df4b323 | 113 | opt("seen"); |
bfd79223 | 114 | |
cb40c25d | 115 | sub unop (_) { is($_[0], 11, "unary op") } |
bfd79223 | 116 | unop 11, 22; # takes only the first parameter into account |
cb40c25d RGS |
117 | |
118 | sub mymkdir (_;$) { is("@_", $expected, "mymkdir") } | |
119 | $expected = $_ = "mydir"; mymkdir(); | |
120 | mymkdir($expected = "foo"); | |
121 | $expected = "foo 493"; mymkdir foo => 0755; | |
6a8363ef RGS |
122 | |
123 | # $_ says modifiable, it's not passed by copy | |
124 | ||
125 | sub double(_) { $_[0] *= 2 } | |
126 | $_ = 21; | |
127 | double(); | |
128 | is( $_, 42, '$_ is modifiable' ); | |
129 | { | |
130 | my $_ = 22; | |
131 | double(); | |
132 | is( $_, 44, 'my $_ is modifiable' ); | |
133 | } |