forked from Raku/roast
/
BUILD.t
141 lines (118 loc) · 3.26 KB
/
BUILD.t
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
use v6;
use lib 't/spec/packages';
use Test;
use Test::Util;
plan 14;
# L<S12/Semantics of C<bless>/The default BUILD and BUILDALL>
{
my Str $calls = '';
my Str $gather = '';
my Int $parent-counter = 0;
my Int $child-counter = 0;
class Parent {
submethod BUILD (:$a) {
$parent-counter++;
$calls ~= "Parent";
$gather ~= "Parent(a): ($a)";
}
}
class Child is Parent {
submethod BUILD (:$a, :$b) {
$child-counter++;
$calls ~= " | Child";
$gather ~= " | Child(a, b): ($a, $b)";
}
}
my $obj = Child.new(:b(5), :a(7));
is $parent-counter, 1, "Called Parent's BUILD method once";
is $child-counter, 1, "Called Child's BUILD method once";
is $calls, 'Parent | Child',
'submethods were called in right order (Parent first)';
is $gather, 'Parent(a): (7) | Child(a, b): (7, 5)',
'submethods were called with the correct arguments';
}
# assigning to attributes during BUILD
# multiple inheritance
{
my $initlist = '';
sub reg($x) { $initlist ~= $x };
class A_Parent1 {
submethod BUILD() {
reg('A_Parent1');
}
}
class A_Parent2 {
submethod BUILD() {
reg('A_Parent2');
}
}
class A_Child is A_Parent1 is A_Parent2 {
submethod BUILD() {
reg('A_Child');
}
}
class A_GrandChild is A_Child {
submethod BUILD() {
reg('A_GrandChild');
}
}
my $x;
lives-ok { $x = A_GrandChild.new() },
"can call child's methods in parent's BUILD";
ok ?($initlist eq 'A_Parent1A_Parent2A_ChildA_GrandChild'
| 'A_Parent2A_Parent1A_ChildA_GrandChild'),
'initilized called in the right order (MI)';
}
# RT #63900
{
# I think this test is obsolete given the above tests, but maybe I'm missing something
my %counter;
class RT63900_P {
submethod BUILD {
%counter{ 'BUILD' }++;
}
}
class RT63900_C is RT63900_P {
}
my $c = RT63900_C.new();
is %counter<BUILD>, 1, 'BUILD called once';
}
#?rakudo todo 'method BUILD should warn RT #124642'
{
is_run
'class Foo { method BUILD() { ... } }',
{ out => '', err => /BUILD/ & /submethod/ },
'method BUILD produces a compile-time warning';
}
# RT #95340
{
class C { has %!p; submethod BUILD(:%!p) {} };
lives-ok { C.new }, 'can call BUILD without providing a value for a !-twigiled named parameter';
}
# RT #123407
{
lives-ok {
role A { has $!a; submethod BUILD(:$!a) {}}; class B does A {}; B.new
}, 'BUILD provided by role can use attributes in signature';
}
# RT #128393
{
class Foo {
submethod BUILD { fail "noway" }
}
dies-ok { Foo.new }, "Foo.new dies when sunk";
ok Foo.new // "ok", "Foo.new can be caught as a Failure";
}
# RT #104980
{
class rt104980 {
has str $.x;
has int8 $.y;
method BUILD(:$!x, :$!y) { }
};
my str $s = 'foo';
my int8 $i = 42;
is-deeply rt104980.new(:x<foo>,:y(42)).x, $s, "BUILD with a native typed attribute (str)";
is-deeply rt104980.new(:x<foo>,:y(42)).y, $i, "BUILD with a native typed attribute (int8)";
}
# vim: ft=perl6