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epoger@google.comec3ed6a2011-07-28 14:26:00 +00001/*
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 */
tfarina@chromium.orge4fafb12013-12-12 21:11:12 +00007
reed@google.com0e190d02011-01-25 23:36:05 +00008#include "Test.h"
9#include "SkRefDict.h"
10
11class TestRC : public SkRefCnt {
robertphillips@google.coma22e2112012-08-16 14:58:06 +000012public:
13 SK_DECLARE_INST_COUNT(TestRC)
14private:
15 typedef SkRefCnt INHERITED;
reed@google.com0e190d02011-01-25 23:36:05 +000016};
17
tfarina@chromium.orge4fafb12013-12-12 21:11:12 +000018DEF_TEST(RefDict, reporter) {
reed@google.com0e190d02011-01-25 23:36:05 +000019 TestRC data0, data1;
20 SkRefDict dict;
21
22 REPORTER_ASSERT(reporter, NULL == dict.find(NULL));
23 REPORTER_ASSERT(reporter, NULL == dict.find("foo"));
24 REPORTER_ASSERT(reporter, NULL == dict.find("bar"));
25
26 dict.set("foo", &data0);
27 REPORTER_ASSERT(reporter, &data0 == dict.find("foo"));
28 REPORTER_ASSERT(reporter, 2 == data0.getRefCnt());
29
30 dict.set("foo", &data0);
31 REPORTER_ASSERT(reporter, &data0 == dict.find("foo"));
32 REPORTER_ASSERT(reporter, 2 == data0.getRefCnt());
33
34 dict.set("foo", &data1);
35 REPORTER_ASSERT(reporter, &data1 == dict.find("foo"));
36 REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
37 REPORTER_ASSERT(reporter, 2 == data1.getRefCnt());
38
39 dict.set("foo", NULL);
40 REPORTER_ASSERT(reporter, NULL == dict.find("foo"));
41 REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
42 REPORTER_ASSERT(reporter, 1 == data1.getRefCnt());
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, 2 == data0.getRefCnt());
49 REPORTER_ASSERT(reporter, 2 == data1.getRefCnt());
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, 1 == data0.getRefCnt());
55 REPORTER_ASSERT(reporter, 3 == data1.getRefCnt());
56
57 dict.removeAll();
58 REPORTER_ASSERT(reporter, NULL == dict.find("foo"));
59 REPORTER_ASSERT(reporter, NULL == dict.find("bar"));
reed@google.com3636ed52011-01-25 23:50:57 +000060 REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
61 REPORTER_ASSERT(reporter, 1 == data1.getRefCnt());
62
63 {
64 SkRefDict d;
65 REPORTER_ASSERT(reporter, NULL == d.find("foo"));
66 REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
67 d.set("foo", &data0);
68 REPORTER_ASSERT(reporter, &data0 == d.find("foo"));
69 REPORTER_ASSERT(reporter, 2 == data0.getRefCnt());
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, 1 == data0.getRefCnt());
reed@google.com0e190d02011-01-25 23:36:05 +000074}