1 /*
2  * Copyright 2011 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #include "SkRefDict.h"
9 #include "Test.h"
10 
11 class TestRC : public SkRefCnt {
12 public:
13 
14 private:
15     typedef SkRefCnt INHERITED;
16 };
17 
DEF_TEST(RefDict,reporter)18 DEF_TEST(RefDict, reporter) {
19     TestRC    data0, data1;
20     SkRefDict dict;
21 
22     REPORTER_ASSERT(reporter, nullptr == dict.find(nullptr));
23     REPORTER_ASSERT(reporter, nullptr == dict.find("foo"));
24     REPORTER_ASSERT(reporter, nullptr == dict.find("bar"));
25 
26     dict.set("foo", &data0);
27     REPORTER_ASSERT(reporter, &data0 == dict.find("foo"));
28     REPORTER_ASSERT(reporter, !data0.unique());
29 
30     dict.set("foo", &data0);
31     REPORTER_ASSERT(reporter, &data0 == dict.find("foo"));
32     REPORTER_ASSERT(reporter, !data0.unique());
33 
34     dict.set("foo", &data1);
35     REPORTER_ASSERT(reporter, &data1 == dict.find("foo"));
36     REPORTER_ASSERT(reporter, data0.unique());
37     REPORTER_ASSERT(reporter, !data1.unique());
38 
39     dict.set("foo", nullptr);
40     REPORTER_ASSERT(reporter, nullptr == dict.find("foo"));
41     REPORTER_ASSERT(reporter, data0.unique());
42     REPORTER_ASSERT(reporter, data1.unique());
43 
44     dict.set("foo", &data0);
45     dict.set("bar", &data1);
46     REPORTER_ASSERT(reporter, &data0 == dict.find("foo"));
47     REPORTER_ASSERT(reporter, &data1 == dict.find("bar"));
48     REPORTER_ASSERT(reporter, !data0.unique());
49     REPORTER_ASSERT(reporter, !data1.unique());
50 
51     dict.set("foo", &data1);
52     REPORTER_ASSERT(reporter, &data1 == dict.find("foo"));
53     REPORTER_ASSERT(reporter, &data1 == dict.find("bar"));
54     REPORTER_ASSERT(reporter, data0.unique());
55     REPORTER_ASSERT(reporter, !data1.unique());
56 
57     dict.removeAll();
58     REPORTER_ASSERT(reporter, nullptr == dict.find("foo"));
59     REPORTER_ASSERT(reporter, nullptr == dict.find("bar"));
60     REPORTER_ASSERT(reporter, data0.unique());
61     REPORTER_ASSERT(reporter, data1.unique());
62 
63     {
64         SkRefDict d;
65         REPORTER_ASSERT(reporter, nullptr == d.find("foo"));
66         REPORTER_ASSERT(reporter, data0.unique());
67         d.set("foo", &data0);
68         REPORTER_ASSERT(reporter, &data0 == d.find("foo"));
69         REPORTER_ASSERT(reporter, !data0.unique());
70         // let d go out of scope still with a ref on data0
71     }
72     // be sure d's destructor lowered data0's owner count back to 1
73     REPORTER_ASSERT(reporter, data0.unique());
74 }
75