fix testcase errors on macOS.

Author: treefrogframework

src/test/sharedmemoryhash/sharedmemoryhash.cpp

@@ -196,7 +196,7 @@ void TestSharedMemoryHash::testAlloc4()
         smhash.set(key, "hoge", seconds);
         QVERIFY(!smhash.get(key).isEmpty());  // not empty
         qDebug() << "smhash.get(" << key << ") =" << smhash.get(key);
-        Tf::msleep(seconds * 1000 + 1);
+        Tf::msleep(seconds * 1000 + 20);
         auto val = smhash.get(key);
         QCOMPARE(val, QByteArray());  // timeout, empty
     }

src/tsharedmemorykvs.cpp

@@ -83,16 +83,13 @@ TSharedMemoryKvs::~TSharedMemoryKvs()
 */
 bool TSharedMemoryKvs::initialize(const QString &name, const QString &options)
 {
-    hash_header_t hashheader;
-
     TSharedMemoryKvsDriver::initialize(name, options);
     TSharedMemoryKvsDriver driver;
-    driver.open(name, QString(), QString(), QString(), 0, options);
-    hash_header_t *header = (hash_header_t *)driver.origin();
 
-    void *ptr = driver.malloc(sizeof(hashheader));
-    Q_ASSERT(ptr == header);
-    std::memcpy(header, &hashheader, sizeof(hashheader));
+    driver.open(name, QString(), QString(), QString(), 0, options);
+    void *ptr = driver.malloc(sizeof(hash_header_t));
+    hash_header_t *header = new (ptr) hash_header_t{};  // Initialize with the default constructor
+    Q_ASSERT(header == (hash_header_t *)driver.origin());
     ptr = driver.calloc(header->tableSize, sizeof(uintptr_t));
     header->setHashg(ptr);
     Q_ASSERT(ptr);