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
|
/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkMakeUnique.h"
#include "SkVptr.h"
#include "Test.h"
namespace {
struct Base {
virtual ~Base() = default;
virtual size_t val() const = 0;
};
struct SubclassA : public Base {
SubclassA(size_t val) : fVal(val) {}
size_t val() const override { return fVal; }
size_t fVal;
};
struct SubclassB : public Base {
SubclassB() {}
size_t val() const override { return 42; }
};
}
DEF_TEST(Vptr, r) {
std::unique_ptr<Base> a = skstd::make_unique<SubclassA>(21),
b = skstd::make_unique<SubclassB>(),
c = skstd::make_unique<SubclassA>(22),
d = skstd::make_unique<SubclassB>();
// These 4 objects all have unique identities.
REPORTER_ASSERT(r, a != b);
REPORTER_ASSERT(r, a != c);
REPORTER_ASSERT(r, a != d);
REPORTER_ASSERT(r, b != c);
REPORTER_ASSERT(r, b != d);
REPORTER_ASSERT(r, c != d);
// Only b and d have the same val().
REPORTER_ASSERT(r, a->val() != b->val());
REPORTER_ASSERT(r, a->val() != c->val());
REPORTER_ASSERT(r, a->val() != d->val());
REPORTER_ASSERT(r, b->val() != c->val());
REPORTER_ASSERT(r, b->val() == d->val());
REPORTER_ASSERT(r, c->val() != d->val());
// SkVptr() returns the same value for objects of the same concrete type.
REPORTER_ASSERT(r, SkVptr(*a) == SkVptr(*c));
REPORTER_ASSERT(r, SkVptr(*b) == SkVptr(*d));
REPORTER_ASSERT(r, SkVptr(*a) != SkVptr(*b));
}
|
