add refdict class, for holding a dictionary of reference-counted objects

-- experimental



git-svn-id: http://skia.googlecode.com/svn/trunk@730 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 52 insertions, 0 deletions

diff --git a/tests/RefDictTest.cpp b/tests/RefDictTest.cpp
new file mode 100644
index 0000000000..61f64e9a2c
--- /dev/null
+++ b/tests/RefDictTest.cpp
@@ -0,0 +1,52 @@
+#include "Test.h"
+#include "SkRefDict.h"
+
+class TestRC : public SkRefCnt {
+};
+
+static void TestRefDict(skiatest::Reporter* reporter) {
+    TestRC    data0, data1;
+    SkRefDict dict;
+
+    REPORTER_ASSERT(reporter, NULL == dict.find(NULL));
+    REPORTER_ASSERT(reporter, NULL == dict.find("foo"));
+    REPORTER_ASSERT(reporter, NULL == dict.find("bar"));
+
+    dict.set("foo", &data0);
+    REPORTER_ASSERT(reporter, &data0 == dict.find("foo"));
+    REPORTER_ASSERT(reporter, 2 == data0.getRefCnt());
+
+    dict.set("foo", &data0);
+    REPORTER_ASSERT(reporter, &data0 == dict.find("foo"));
+    REPORTER_ASSERT(reporter, 2 == data0.getRefCnt());
+
+    dict.set("foo", &data1);
+    REPORTER_ASSERT(reporter, &data1 == dict.find("foo"));
+    REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
+    REPORTER_ASSERT(reporter, 2 == data1.getRefCnt());
+
+    dict.set("foo", NULL);
+    REPORTER_ASSERT(reporter, NULL == dict.find("foo"));
+    REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
+    REPORTER_ASSERT(reporter, 1 == data1.getRefCnt());
+
+    dict.set("foo", &data0);
+    dict.set("bar", &data1);
+    REPORTER_ASSERT(reporter, &data0 == dict.find("foo"));
+    REPORTER_ASSERT(reporter, &data1 == dict.find("bar"));
+    REPORTER_ASSERT(reporter, 2 == data0.getRefCnt());
+    REPORTER_ASSERT(reporter, 2 == data1.getRefCnt());
+
+    dict.set("foo", &data1);
+    REPORTER_ASSERT(reporter, &data1 == dict.find("foo"));
+    REPORTER_ASSERT(reporter, &data1 == dict.find("bar"));
+    REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
+    REPORTER_ASSERT(reporter, 3 == data1.getRefCnt());
+
+    dict.removeAll();
+    REPORTER_ASSERT(reporter, NULL == dict.find("foo"));
+    REPORTER_ASSERT(reporter, NULL == dict.find("bar"));
+}
+
+#include "TestClassDef.h"
+DEFINE_TESTCLASS("RefDict", RefDictTestClass, TestRefDict)