--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/lang/invoke/condy/CondyTypeValidationTest.java	Fri Sep 08 10:46:46 2017 -0700
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8186046
+ * @summary Test invalid name in name and type
+ * @library /lib/testlibrary/bytecode /java/lang/invoke/common
+ * @build jdk.experimental.bytecode.BasicClassBuilder test.java.lang.invoke.lib.InstructionHelper
+ * @run testng/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 CondyTypeValidationTest
+ */
+
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+import test.java.lang.invoke.lib.InstructionHelper;
+
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static java.lang.invoke.MethodType.methodType;
+
+public class CondyTypeValidationTest {
+    static final MethodHandles.Lookup L = MethodHandles.lookup();
+    static final String BSM_TYPE = methodType(Object.class, MethodHandles.Lookup.class, String.class, Object.class)
+            .toMethodDescriptorString();
+
+    @DataProvider
+    public Object[][] invalidTypesProvider() throws Exception {
+        return Stream.of(
+//                         ByteCode API checks for the following invalid types
+//                         "",
+//                         "[",
+//                         "A",
+//                         "a",
+                "L/java/lang/Object",
+                Stream.generate(() -> "[").limit(256).collect(Collectors.joining("", "", "I")))
+                .map(e -> new Object[]{e}).toArray(Object[][]::new);
+    }
+
+    @Test(dataProvider = "invalidTypesProvider", expectedExceptions = ClassFormatError.class)
+    public void testInvalidTypes(String type) throws Exception {
+        MethodHandle mh = InstructionHelper.ldcDynamicConstant(
+                L, "name", type,
+                "bsm", BSM_TYPE,
+                S -> {
+                });
+    }
+
+    @DataProvider
+    public Object[][] validTypesProvider() throws Exception {
+        List<String> t = new ArrayList<>(List.of("B", "C", "D", "F", "I", "J", "Ljava/lang/Object;", "S", "Z"));
+        int l = t.size();
+        for (int i = 0; i < l; i++) {
+            t.add("[" + t.get(i));
+        }
+
+        return t.stream()
+                .map(e -> new Object[]{e}).toArray(Object[][]::new);
+    }
+
+    @Test(dataProvider = "validTypesProvider")
+    public void testValidTypes(String type) throws Exception {
+        MethodHandle mh = InstructionHelper.ldcDynamicConstant(
+                L, "name", type,
+                "bsm", BSM_TYPE,
+                S -> {
+                });
+    }
+}