Restore kotlin-stdlib-jre7/8 libraries

libraries/stdlib/jre8/test/collections/IterableTest.kt

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2010-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package kotlin.jdk8.collections.test
+
+import org.junit.Test
+import kotlin.test.*
+import java.util.function.*
+
+class IterableTest {
+
+    val data = listOf("foo", "bar")
+    val iterable = Iterable { data.iterator() }
+
+    @Test fun spliterator() {
+        val spliterator = iterable.spliterator()
+
+        assertEquals(-1, spliterator.exactSizeIfKnown)
+        val expected = data.toMutableList()
+        spliterator.forEachRemaining {
+            assertEquals(expected.removeAt(0), it)
+        }
+    }
+
+    @Test fun forEach() {
+        val expected = data.toMutableList()
+        iterable.forEach(Consumer {
+            assertEquals(expected.removeAt(0), it)
+        })
+    }
+
+    @Test fun forEachRemaining() {
+        val expected = data.toMutableList()
+        val iterator = iterable.iterator()
+        iterator.forEachRemaining(Consumer {
+            assertEquals(expected.removeAt(0), it)
+        })
+    }
+
+}