add refcnt helper to metadata

add unittests for metadata



git-svn-id: http://skia.googlecode.com/svn/trunk@1019 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 112 insertions, 0 deletions

diff --git a/tests/MetaDataTest.cpp b/tests/MetaDataTest.cpp
new file mode 100644
index 0000000000..70829d49d7
--- /dev/null
+++ b/tests/MetaDataTest.cpp
@@ -0,0 +1,112 @@
+#include "Test.h"
+#include "SkMetaData.h"
+
+static void test_ptrs(skiatest::Reporter* reporter) {
+    SkRefCnt ref;
+    REPORTER_ASSERT(reporter, 1 == ref.getRefCnt());
+
+    {
+        SkMetaData md0, md1;
+        const char name[] = "refcnt";
+
+        md0.setRefCnt(name, &ref);
+        REPORTER_ASSERT(reporter, md0.findRefCnt(name));
+        REPORTER_ASSERT(reporter, md0.hasRefCnt(name, &ref));
+        REPORTER_ASSERT(reporter, 2 == ref.getRefCnt());
+
+        md1 = md0;
+        REPORTER_ASSERT(reporter, md1.findRefCnt(name));
+        REPORTER_ASSERT(reporter, md1.hasRefCnt(name, &ref));
+        REPORTER_ASSERT(reporter, 3 == ref.getRefCnt());
+
+        REPORTER_ASSERT(reporter, md0.removeRefCnt(name));
+        REPORTER_ASSERT(reporter, !md0.findRefCnt(name));
+        REPORTER_ASSERT(reporter, !md0.hasRefCnt(name, &ref));
+        REPORTER_ASSERT(reporter, 2 == ref.getRefCnt());
+    }
+    REPORTER_ASSERT(reporter, 1 == ref.getRefCnt());
+}
+
+static void TestMetaData(skiatest::Reporter* reporter) {
+    SkMetaData  m1;
+    
+    REPORTER_ASSERT(reporter, !m1.findS32("int"));
+    REPORTER_ASSERT(reporter, !m1.findScalar("scalar"));
+    REPORTER_ASSERT(reporter, !m1.findString("hello"));
+    REPORTER_ASSERT(reporter, !m1.removeS32("int"));
+    REPORTER_ASSERT(reporter, !m1.removeScalar("scalar"));
+    REPORTER_ASSERT(reporter, !m1.removeString("hello"));
+    REPORTER_ASSERT(reporter, !m1.removeString("true"));
+    REPORTER_ASSERT(reporter, !m1.removeString("false"));
+    
+    m1.setS32("int", 12345);
+    m1.setScalar("scalar", SK_Scalar1 * 42);
+    m1.setString("hello", "world");
+    m1.setPtr("ptr", &m1);
+    m1.setBool("true", true);
+    m1.setBool("false", false);
+    
+    int32_t     n;
+    SkScalar    s;
+    
+    m1.setScalar("scalar", SK_Scalar1/2);
+    
+    REPORTER_ASSERT(reporter, m1.findS32("int", &n) && n == 12345);
+    REPORTER_ASSERT(reporter, m1.findScalar("scalar", &s) && s == SK_Scalar1/2);
+    REPORTER_ASSERT(reporter, !strcmp(m1.findString("hello"), "world"));
+    REPORTER_ASSERT(reporter, m1.hasBool("true", true));
+    REPORTER_ASSERT(reporter, m1.hasBool("false", false));
+    
+    SkMetaData::Iter iter(m1);
+    const char* name;
+    
+    static const struct {
+        const char*         fName;
+        SkMetaData::Type    fType;
+        int                 fCount;
+    } gElems[] = {
+        { "int",    SkMetaData::kS32_Type,      1 },
+        { "scalar", SkMetaData::kScalar_Type,   1 },
+        { "ptr",    SkMetaData::kPtr_Type,      1 },
+        { "hello",  SkMetaData::kString_Type,   sizeof("world") },
+        { "true",   SkMetaData::kBool_Type,     1 },
+        { "false",  SkMetaData::kBool_Type,     1 }
+    };
+    
+    int                 loop = 0;
+    int count;
+    SkMetaData::Type    t;
+    while ((name = iter.next(&t, &count)) != NULL)
+    {
+        int match = 0;
+        for (unsigned i = 0; i < SK_ARRAY_COUNT(gElems); i++)
+        {
+            if (!strcmp(name, gElems[i].fName))
+            {
+                match += 1;
+                REPORTER_ASSERT(reporter, gElems[i].fType == t);
+                REPORTER_ASSERT(reporter, gElems[i].fCount == count);
+            }
+        }
+        REPORTER_ASSERT(reporter, match == 1);
+        loop += 1;
+    }
+    REPORTER_ASSERT(reporter, loop == SK_ARRAY_COUNT(gElems));
+    
+    REPORTER_ASSERT(reporter, m1.removeS32("int"));
+    REPORTER_ASSERT(reporter, m1.removeScalar("scalar"));
+    REPORTER_ASSERT(reporter, m1.removeString("hello"));
+    REPORTER_ASSERT(reporter, m1.removeBool("true"));
+    REPORTER_ASSERT(reporter, m1.removeBool("false"));
+    
+    REPORTER_ASSERT(reporter, !m1.findS32("int"));
+    REPORTER_ASSERT(reporter, !m1.findScalar("scalar"));
+    REPORTER_ASSERT(reporter, !m1.findString("hello"));
+    REPORTER_ASSERT(reporter, !m1.findBool("true"));
+    REPORTER_ASSERT(reporter, !m1.findBool("false"));
+
+    test_ptrs(reporter);
+}
+
+#include "TestClassDef.h"
+DEFINE_TESTCLASS("MetaData", TestMetaDataClass, TestMetaData)