stdlib tests: move JVM-only test source files

libraries/stdlib/jvm/test/testUtilsJVM.kt

@@ -0,0 +1,37 @@
+/*
+ * 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 test
+
+import kotlin.test.assertEquals
+
+@JvmVersion
+public actual fun assertTypeEquals(expected: Any?, actual: Any?) {
+    assertEquals(expected?.javaClass, actual?.javaClass)
+}
+
+@JvmVersion
+public actual fun randomInt(limit: Int): Int = (Math.random() * limit).toInt()
+
+@kotlin.jvm.JvmVersion
+private val isJava6 = System.getProperty("java.version").startsWith("1.6.")
+
+@kotlin.jvm.JvmVersion
+internal actual fun String.removeLeadingPlusOnJava6(): String =
+    if (isJava6) removePrefix("+") else this
+
+@kotlin.jvm.JvmVersion
+internal actual fun doubleTotalOrderEquals(a: Double?, b: Double?) = (a as Any?) == b