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products/sources/formale Sprachen/Java/Openjdk/test/langtools/jdk/jshell/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 4 kB

Quelle RecordsTest.java Sprache: JAVA

/*
* Copyright (c) 2019, 2020, 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 8235474 8236715 8246774
* @summary Tests for evalution of records
* @modules jdk.jshell
* @build KullaTesting TestingInputStream ExpectedDiagnostic
* @run testng RecordsTest
*/

import org.testng.annotations.Test;

import javax.lang.model.SourceVersion;
import jdk.jshell.Snippet.Status;
import jdk.jshell.UnresolvedReferenceException;
import static org.testng.Assert.assertEquals;
import org.testng.annotations.BeforeMethod;

@Test
public class RecordsTest extends KullaTesting {

    public void testRecordClass() {
        assertEval("record R(String s, int i) { }");
        assertEquals(varKey(assertEval("R r = new R(\"r\", 42);")).name(), "r");
        assertEval("r.s()", "\"r\"");
        assertEval("r.i()", "42");
    }

    public void testRecordCorralling() {
        //simple record with a mistake that can be fixed by corralling:
        assertEval("record R1(int i) { int g() { return j; } }", ste(MAIN_SNIPPET, Status.NONEXISTENT, Status.RECOVERABLE_DEFINED, true, null));
        assertEval("R1 r1 = new R1(1);", null, UnresolvedReferenceException.class, DiagCheck.DIAG_OK, DiagCheck.DIAG_OK, added(Status.VALID));
        //record with a concise constructor and a mistake take can be fixed by corralling:
        assertEval("record R2(int i) { public R2 {} int g() { return j; } }", ste(MAIN_SNIPPET, Status.NONEXISTENT, Status.RECOVERABLE_DEFINED, true, null));
        assertEval("R2 r2 = new R2(1);", null, UnresolvedReferenceException.class, DiagCheck.DIAG_OK, DiagCheck.DIAG_OK, added(Status.VALID));
        //record with a full constructor and a mistake take can be fixed by corralling:
        assertEval("record R3(int i) { public R3(int i) {this.i = i;} int g() { return j; } }", ste(MAIN_SNIPPET, Status.NONEXISTENT, Status.RECOVERABLE_DEFINED, true, null));
        assertEval("R3 r3 = new R3(1);", null, UnresolvedReferenceException.class, DiagCheck.DIAG_OK, DiagCheck.DIAG_OK, added(Status.VALID));
        //record with an accessor and a mistake take can be fixed by corralling:
        assertEval("record R4(int i) { public int i() { return i; } int g() { return j; } }", ste(MAIN_SNIPPET, Status.NONEXISTENT, Status.RECOVERABLE_DEFINED, true, null));
        assertEval("R4 r4 = new R4(1);", null, UnresolvedReferenceException.class, DiagCheck.DIAG_OK, DiagCheck.DIAG_OK, added(Status.VALID));
        //record with an accessor with a mistake take can be fixed by corralling:
        assertEval("record R5(int i) { public int i() { return j; } }", ste(MAIN_SNIPPET, Status.NONEXISTENT, Status.RECOVERABLE_DEFINED, true, null));
        assertEval("R5 r5 = new R5(1);", null, UnresolvedReferenceException.class, DiagCheck.DIAG_OK, DiagCheck.DIAG_OK, added(Status.VALID));
    }

    public void testRecordField() {
        assertEquals(varKey(assertEval("String record = \"\";")).name(), "record");
        assertEval("record.length()", "0");
    }

    public void testRecordMethod() {
        assertEquals(methodKey(assertEval("String record(String record) { return record + record; }")).name(), "record");
        assertEval("record(\"r\")", "\"rr\"");
        assertEval("record(\"r\").length()", "2");
    }
}

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