/*

 * Copyright (c) 2015, 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

 * @summary Testing IllegalStateException.

 * @build KullaTesting TestingInputStream JShellStateClosedTest

 * @run testng JShellStateClosedTest

 */

import java.util.function.Consumer;

import jdk.jshell.DeclarationSnippet;

import jdk.jshell.PersistentSnippet;

import jdk.jshell.Snippet;

import jdk.jshell.VarSnippet;

import org.testng.annotations.Test;

import static org.testng.Assert.fail;

@Test

public class JShellStateClosedTest extends KullaTesting {

    private void testStateClosedException(Runnable action) {

        getState().close();

        try {

            action.run();

            fail("Exception expected");

        } catch (IllegalStateException e) {

            // Expected

        }

    }

    public void testClasses() {

        testStateClosedException(() -> getState().types());

    }

    public void testVariables() {

        testStateClosedException(() -> getState().variables());

    }

    public void testMethods() {

        testStateClosedException(() -> getState().methods());

    }

    public void testKeys() {

        testStateClosedException(() -> getState().snippets());

    }

    public void testEval() {

        testStateClosedException(() -> getState().eval("int a;"));

    }

    private void testStateClosedException(Consumer<Snippet> action) {

        Snippet k = varKey(assertEval("int a;"));

        getState().close();

        try {

            action.accept(k);

            fail("IllegalStateException expected since closed");

        } catch (IllegalStateException e) {

            // Expected

        }

    }

    private void testStateClosedWithoutException(Consumer<Snippet> action) {

        Snippet k = varKey(assertEval("int a;"));

        getState().close();

        try {

            action.accept(k);

        } catch (IllegalStateException e) {

            fail("Expected no IllegalStateException even though closed");

        }

    }

    public void testStatus() {

        testStateClosedWithoutException((key) -> getState().status(key));

    }

    public void testVarValue() {

        testStateClosedException((key) -> getState().varValue((VarSnippet) key));

    }

    public void testDrop() {

        testStateClosedException((key) -> getState().drop((PersistentSnippet) key));

    }

    public void testUnresolved() {

        testStateClosedWithoutException((key) -> getState().unresolvedDependencies((DeclarationSnippet) key));

    }

    public void testDiagnostics() {

        testStateClosedWithoutException((key) -> getState().diagnostics(key));

    }

}