/*

 * 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 simple regression test

 * @build KullaTesting TestingInputStream

 * @run testng SimpleRegressionTest

 */

import java.util.List;

import javax.tools.Diagnostic;

import jdk.jshell.Snippet;

import jdk.jshell.VarSnippet;

import jdk.jshell.SnippetEvent;

import org.testng.annotations.Test;

import static org.testng.Assert.assertEquals;

import static jdk.jshell.Snippet.SubKind.TEMP_VAR_EXPRESSION_SUBKIND;

import static jdk.jshell.Snippet.Status.VALID;

@Test

public class SimpleRegressionTest extends KullaTesting {

    public void testSnippetMemberAssignment() {

        assertEval("class C { int y; }");

        assertEval("C c = new C();");

        assertVarKeyMatch("c.y = 4;", true, "$1", TEMP_VAR_EXPRESSION_SUBKIND, "int", added(VALID));

    }

    public void testUserTakesTempVarName() {

        assertEval("int $2 = 4;");

        assertEval("String $1;");

        assertVarKeyMatch("1234;", true, "$3", TEMP_VAR_EXPRESSION_SUBKIND, "int", added(VALID));

    }

    public void testCompileThrow() {

        assertEvalException("throw new Exception();");

    }

    public void testMultiSnippetDependencies() {

        List<SnippetEvent> events = assertEval("int a = 3, b = a+a, c = b *100;",

                DiagCheck.DIAG_OK, DiagCheck.DIAG_OK,

                chain(added(VALID)),

                chain(added(VALID)),

                chain(added(VALID)));

        assertEquals(events.get(0).value(), "3");

        assertEquals(events.get(1).value(), "6");

        assertEquals(events.get(2).value(), "600");

        assertEval("c;", "600");

    }

    public void testNotStmtCannotResolve() {

        assertDeclareFail("dfasder;", new ExpectedDiagnostic("compiler.err.cant.resolve.location", 0, 7, 0, -1, -1, Diagnostic.Kind.ERROR));

    }

    public void testNotStmtIncomparable() {

        assertDeclareFail("true == 5.0;", new ExpectedDiagnostic("compiler.err.incomparable.types", 0, 11, 5, -1, -1, Diagnostic.Kind.ERROR));

    }

    public void testStringAdd() {

        assertEval("String s = \"a\" + \"b\";", "\"ab\"");

    }

    public void testExprSanity() {

        assertEval("int x = 3;", "3");

        assertEval("int y = 4;", "4");

        assertEval("x + y;", "7");

        assertActiveKeys();

    }

    public void testGenericMethodCrash() {

        assertDeclareWarn1("<T> void f(T...a) {}", (ExpectedDiagnostic) null);

        Snippet sn = methodKey(assertEval("<R> R n(R x) { return x; }", added(VALID)));

        VarSnippet sne = varKey(assertEval("n(5)", added(VALID)));

        assertEquals(sne.typeName(), "Integer");

    }

}