assert that data is not empty

platform/projectModel-impl/src/com/intellij/configurationStore/DefaultStateSerializer.kt

@@ -21,7 +21,7 @@ import com.intellij.openapi.util.JDOMUtil
 import com.intellij.util.ReflectionUtil
 import org.jdom.Element
 
-private val LOG = Logger.getInstance("#com.intellij.openapi.components.impl.stores.DefaultStateSerializer")
+internal val LOG = Logger.getInstance("#com.intellij.configurationStore")
 
 fun <T> deserializeState(stateElement: Element?, stateClass: Class<T>, mergeInto: T?): T? {
   @Suppress("DEPRECATION", "UNCHECKED_CAST")

platform/projectModel-impl/src/com/intellij/configurationStore/SchemeManagerIprProvider.kt

@@ -53,8 +53,8 @@ class SchemeManagerIprProvider(private val subStateTagName: String) : StreamProv
   }
 
   override fun write(fileSpec: String, content: ByteArray, size: Int, roamingType: RoamingType) {
-    val name = PathUtilRt.getFileName(fileSpec)
-    nameToData.put(name, ArrayUtil.realloc(content, size))
+    LOG.assertTrue(content.isNotEmpty())
+    nameToData.put(PathUtilRt.getFileName(fileSpec), ArrayUtil.realloc(content, size))
   }
 
   fun load(state: Element?, nameGetter: ((Element) -> String)? = null) {