/*

 * 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.

 *

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 */

/*

 * @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 -> {

                });

    }

}