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package scala.collection.convert
import java.{util => ju, lang => jl}
import ju.{concurrent => juc}
import org.junit.Test
import org.junit.experimental.runners.Enclosed
import org.junit.runner.RunWith
import collection.convert.ImplicitConversions._
import scala.collection.JavaConverters._
import scala.collection.{mutable, concurrent}
@RunWith(classOf[Enclosed])
object NullSafetyTest {
/*
* Pertinent: SI-9113
* Tests to insure that wrappers return null instead of wrapping it as a collection
*/
class ToScala {
@Test def testIteratorWrapping(): Unit = {
val nullJIterator: ju.Iterator[AnyRef] = null
val iterator: Iterator[AnyRef] = nullJIterator
assert(iterator == null)
}
@Test def testEnumerationWrapping(): Unit = {
val nullJEnumeration: ju.Enumeration[AnyRef] = null
val enumeration: Iterator[AnyRef] = nullJEnumeration
assert(enumeration == null)
}
@Test def testIterableWrapping(): Unit = {
val nullJIterable: jl.Iterable[AnyRef] = null
val iterable: Iterable[AnyRef] = nullJIterable
assert(iterable == null)
}
@Test def testCollectionWrapping(): Unit = {
val nullJCollection: ju.Collection[AnyRef] = null
val collection: Iterable[AnyRef] = nullJCollection
assert(collection == null)
}
@Test def testBufferWrapping(): Unit = {
val nullJList: ju.List[AnyRef] = null
val buffer: mutable.Buffer[AnyRef] = nullJList
assert(buffer == null)
}
@Test def testSetWrapping(): Unit = {
val nullJSet: ju.Set[AnyRef] = null
val set: mutable.Set[AnyRef] = nullJSet
assert(set == null)
}
@Test def testMapWrapping(): Unit = {
val nullJMap: ju.Map[AnyRef, AnyRef] = null
val map: mutable.Map[AnyRef, AnyRef] = nullJMap
assert(map == null)
}
@Test def testConcurrentMapWrapping(): Unit = {
val nullJConMap: juc.ConcurrentMap[AnyRef, AnyRef] = null
val conMap: concurrent.Map[AnyRef, AnyRef] = nullJConMap
assert(conMap == null)
}
@Test def testDictionaryWrapping(): Unit = {
val nullJDict: ju.Dictionary[AnyRef, AnyRef] = null
val dict: mutable.Map[AnyRef, AnyRef] = nullJDict
assert(dict == null)
}
@Test def testPropertyWrapping(): Unit = {
val nullJProps: ju.Properties = null
val props: mutable.Map[String, String] = nullJProps
assert(props == null)
}
@Test def testIteratorDecoration(): Unit = {
val nullJIterator: ju.Iterator[AnyRef] = null
assert(nullJIterator.asScala == null)
}
@Test def testEnumerationDecoration(): Unit = {
val nullJEnumeration: ju.Enumeration[AnyRef] = null
assert(nullJEnumeration.asScala == null)
}
@Test def testIterableDecoration(): Unit = {
val nullJIterable: jl.Iterable[AnyRef] = null
assert(nullJIterable.asScala == null)
}
@Test def testCollectionDecoration(): Unit = {
val nullJCollection: ju.Collection[AnyRef] = null
assert(nullJCollection.asScala == null)
}
@Test def testBufferDecoration(): Unit = {
val nullJBuffer: ju.List[AnyRef] = null
assert(nullJBuffer.asScala == null)
}
@Test def testSetDecoration(): Unit = {
val nullJSet: ju.Set[AnyRef] = null
assert(nullJSet.asScala == null)
}
@Test def testMapDecoration(): Unit = {
val nullJMap: ju.Map[AnyRef, AnyRef] = null
assert(nullJMap.asScala == null)
}
@Test def testConcurrentMapDecoration(): Unit = {
val nullJConMap: juc.ConcurrentMap[AnyRef, AnyRef] = null
assert(nullJConMap.asScala == null)
}
@Test def testDictionaryDecoration(): Unit = {
val nullJDict: ju.Dictionary[AnyRef, AnyRef] = null
assert(nullJDict.asScala == null)
}
@Test def testPropertiesDecoration(): Unit = {
val nullJProperties: ju.Properties = null
assert(nullJProperties.asScala == null)
}
}
class ToJava {
@Test def testIteratorWrapping(): Unit = {
val nullIterator: Iterator[AnyRef] = null
val jIterator: ju.Iterator[AnyRef] = nullIterator
assert(jIterator == null)
}
@Test def testEnumerationWrapping(): Unit = {
val nullEnumeration: Iterator[AnyRef] = null
val enumeration: ju.Iterator[AnyRef] = nullEnumeration
assert(enumeration == null)
}
@Test def testIterableWrapping(): Unit = {
val nullIterable: Iterable[AnyRef] = null
val iterable: jl.Iterable[AnyRef] = asJavaIterable(nullIterable)
assert(iterable == null)
}
@Test def testCollectionWrapping(): Unit = {
val nullCollection: Iterable[AnyRef] = null
val collection: ju.Collection[AnyRef] = nullCollection
assert(collection == null)
}
@Test def testBufferWrapping(): Unit = {
val nullList: mutable.Buffer[AnyRef] = null
val buffer: ju.List[AnyRef] = nullList
assert(buffer == null)
}
@Test def testSetWrapping(): Unit = {
val nullSet: mutable.Set[AnyRef] = null
val set: ju.Set[AnyRef] = nullSet
assert(set == null)
}
@Test def testMapWrapping(): Unit = {
val nullMap: mutable.Map[AnyRef, AnyRef] = null
val map: ju.Map[AnyRef, AnyRef] = nullMap
assert(map == null)
}
@Test def testConcurrentMapWrapping(): Unit = {
val nullConMap: concurrent.Map[AnyRef, AnyRef] = null
val conMap: juc.ConcurrentMap[AnyRef, AnyRef] = nullConMap
assert(conMap == null)
}
@Test def testDictionaryWrapping(): Unit = {
val nullDict: mutable.Map[AnyRef, AnyRef] = null
val dict: ju.Dictionary[AnyRef, AnyRef] = nullDict
assert(dict == null)
}
// Implicit conversion to ju.Properties is not available
@Test def testIteratorDecoration(): Unit = {
val nullIterator: Iterator[AnyRef] = null
assert(nullIterator.asJava == null)
}
@Test def testEnumerationDecoration(): Unit = {
val nullEnumeration: Iterator[AnyRef] = null
assert(nullEnumeration.asJavaEnumeration == null)
}
@Test def testIterableDecoration(): Unit = {
val nullIterable: Iterable[AnyRef] = null
assert(nullIterable.asJava == null)
}
@Test def testCollectionDecoration(): Unit = {
val nullCollection: Iterable[AnyRef] = null
assert(nullCollection.asJavaCollection == null)
}
@Test def testBufferDecoration(): Unit = {
val nullBuffer: mutable.Buffer[AnyRef] = null
assert(nullBuffer.asJava == null)
}
@Test def testSetDecoration(): Unit = {
val nullSet: Set[AnyRef] = null
assert(nullSet.asJava == null)
}
@Test def testMapDecoration(): Unit = {
val nullMap: mutable.Map[AnyRef, AnyRef] = null
assert(nullMap.asJava == null)
}
@Test def testConcurrentMapDecoration(): Unit = {
val nullConMap: concurrent.Map[AnyRef, AnyRef] = null
assert(nullConMap.asJava == null)
}
@Test def testDictionaryDecoration(): Unit = {
val nullDict: mutable.Map[AnyRef, AnyRef] = null
assert(nullDict.asJavaDictionary == null)
}
// Decorator conversion to ju.Properties is not available
}
}
|
