Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: DropTest.java Sprache: JAVA

/*
* Copyright (c) 2015, 2016, 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 8081431 8080069 8167128 8199623
* @summary Test of JShell#drop().
* @build KullaTesting TestingInputStream
* @run testng DropTest
*/

import jdk.jshell.DeclarationSnippet;
import jdk.jshell.Snippet;
import jdk.jshell.MethodSnippet;
import jdk.jshell.VarSnippet;
import org.testng.annotations.Test;

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

@Test
public class DropTest extends KullaTesting {

    public void testDrop() {
        Snippet var = varKey(assertEval("int x;"));
        Snippet method = methodKey(assertEval("int mu() { return x * 4; }"));
        Snippet clazz = classKey(assertEval("class C { String v() { return \"#\" + mu(); } }"));
        assertDrop(var,
                ste(var, VALID, DROPPED, true, null),
                ste(method, VALID, RECOVERABLE_DEFINED, false, var));
        assertDrop(method,
                ste(method, RECOVERABLE_DEFINED, DROPPED, true, null),
                ste(clazz, VALID, RECOVERABLE_DEFINED, false, method));
        VarSnippet cc = varKey(assertEval("C c;"));
        assertEvalUnresolvedException("new C();", "C", 1, 0);
        assertVariables();
        assertMethods();
        assertClasses();
        assertActiveKeys();

        method = methodKey(assertEval("int mu() { return x * 4; }",
                added(RECOVERABLE_DEFINED),
                ste(clazz, RECOVERABLE_DEFINED, VALID, false, MAIN_SNIPPET)));
        assertEval("int x = 10;", "10",
                added(VALID),
                ste(method, RECOVERABLE_DEFINED, VALID, false, MAIN_SNIPPET));
        Snippet c0 = varKey(assertEval("C c0 = new C();"));
        assertEval("c0.v();", "\"#40\"");
        assertEval("C c = new C();",
                ste(MAIN_SNIPPET, VALID, VALID, false, null),
                ste(cc, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
        assertEval("c.v();", "\"#40\"");
        assertEval("int mu() { return x * 3; }",
                ste(MAIN_SNIPPET, VALID, VALID, false, null),
                ste(method, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
        assertEval("c.v();", "\"#30\"");
        assertEval("class C { String v() { return \"@\" + mu(); } }",
                ste(MAIN_SNIPPET, VALID, VALID, false, null),
                ste(clazz, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
        assertEval("c0.v();", "\"@30\"");
        assertDrop(c0,
                ste(c0, VALID, DROPPED, true, null));
        assertEval("c = new C();");
        assertEval("c.v();", "\"@30\"");

        assertVariables();
        assertMethods();
        assertClasses();
        assertActiveKeys();
    }

    public void testDropImport() {
        Snippet imp = importKey(assertEval("import java.util.*;"));
        Snippet decl = varKey(
                assertEval("List list = Arrays.asList(1, 2, 3);", "[1, 2, 3]"));
        assertEval("list;", "[1, 2, 3]");
        assertDrop(imp,
                DiagCheck.DIAG_OK,
                DiagCheck.DIAG_ERROR,
                ste(imp, VALID, DROPPED, true, null),
                ste(decl, VALID, RECOVERABLE_NOT_DEFINED, true, imp));
        assertDeclareFail("list;", "compiler.err.cant.resolve.location");
    }

    public void testDropStatement() {
        Snippet x = key(assertEval("if (true);"));
        assertDrop(x, ste(x, VALID, DROPPED, true, null));
    }

    public void testDropVarToMethod() {
        Snippet x = varKey(assertEval("int x;"));
        DeclarationSnippet method = methodKey(assertEval("double mu() { return x * 4; }"));
        assertEval("x == 0;", "true");
        assertEval("mu() == 0.0;", "true");

        assertDrop(x,
                ste(x, VALID, DROPPED, true, null),
                ste(method, VALID, RECOVERABLE_DEFINED, false, x));
        assertUnresolvedDependencies1(method, RECOVERABLE_DEFINED, "variable x");
        assertEvalUnresolvedException("mu();", "mu", 1, 0);

        assertVariables();
        assertMethods();
        assertActiveKeys();
    }

    public void testDropMethodToMethod() {
        Snippet a = methodKey(assertEval("double a() { return 2; }"));
        DeclarationSnippet b = methodKey(assertEval("double b() { return a() * 10; }"));
        assertEval("double c() { return b() * 3; }");
        DeclarationSnippet d = methodKey(assertEval("double d() { return c() + 1000; }"));
        assertEval("d();", "1060.0");
        assertDrop(a,
                ste(a, VALID, DROPPED, true, null),
                ste(b, VALID, RECOVERABLE_DEFINED, false, a));
        assertUnresolvedDependencies1(b, RECOVERABLE_DEFINED, "method a()");
        assertUnresolvedDependencies(d, 0);
        assertEvalUnresolvedException("d();", "b", 1, 0);
        assertMethods();
        assertActiveKeys();
    }

    public void testDropClassToMethod() {
        Snippet c = classKey(assertEval("class C { int f() { return 7; } }"));
        DeclarationSnippet m = methodKey(assertEval("int m() { return new C().f(); }"));
        assertDrop(c,
                ste(c, VALID, DROPPED, true, null),
                ste(m, VALID, RECOVERABLE_DEFINED, false, c));
        assertUnresolvedDependencies1(m, RECOVERABLE_DEFINED, "class C");
        assertEvalUnresolvedException("m();", "m", 1, 0);
        assertActiveKeys();
    }

    public void testDropVarToClass() {
        Snippet x = varKey(assertEval("int x;"));
        DeclarationSnippet a = classKey(assertEval("class A { double a = 4 * x; }"));
        assertDrop(x,
                DiagCheck.DIAG_OK,
                DiagCheck.DIAG_ERROR,
                ste(x, VALID, DROPPED, true, null),
                ste(a, VALID, RECOVERABLE_DEFINED, false, x));
        assertEval("A foo() { return null; }");
        assertUnresolvedDependencies1(a, RECOVERABLE_DEFINED, "variable x");
        assertEvalUnresolvedException("new A();", "A", 1, 0);
        assertVariables();
        assertActiveKeys();
    }

    public void testDropMethodToClass() {
        Snippet x = methodKey(assertEval("int x() { return 0; }"));
        DeclarationSnippet a = classKey(assertEval("class A { double a = 4 * x(); }"));
        assertDrop(x,
                DiagCheck.DIAG_OK,
                DiagCheck.DIAG_ERROR,
                ste(x, VALID, DROPPED, true, null),
                ste(a, VALID, RECOVERABLE_DEFINED, false, x));
        assertUnresolvedDependencies1(a, RECOVERABLE_DEFINED, "method x()");
        assertEvalUnresolvedException("new A();", "A", 1, 0);
        assertMethods();
        assertActiveKeys();
    }

    public void testDropClassToClass() {
        Snippet a = classKey(assertEval("class A {}"));
        Snippet b = classKey(assertEval("class B extends A {}"));
        Snippet c = classKey(assertEval("class C extends B {}"));
        Snippet d = classKey(assertEval("class D extends C {}"));
        assertDrop(a,
                DiagCheck.DIAG_OK,
                DiagCheck.DIAG_ERROR,
                ste(a, VALID, DROPPED, true, null),
                ste(b, VALID, RECOVERABLE_NOT_DEFINED, true, a),
                ste(c, VALID, RECOVERABLE_NOT_DEFINED, true, b),
                ste(d, VALID, RECOVERABLE_NOT_DEFINED, true, c));
        assertUnresolvedDependencies1((DeclarationSnippet) b, RECOVERABLE_NOT_DEFINED, "class A");
        assertDrop(c,
                DiagCheck.DIAG_OK,
                DiagCheck.DIAG_ERROR,
                ste(c, RECOVERABLE_NOT_DEFINED, DROPPED, false, null));
        assertEval("interface A {}", null, null,
                DiagCheck.DIAG_OK,
                DiagCheck.DIAG_ERROR,
                added(VALID));
        assertClasses();
        assertActiveKeys();
    }

    public void testDropNoUpdate() {
        String as1 = "class A {}";
        String as2 = "class A extends java.util.ArrayList {}";
        Snippet a = classKey(assertEval(as1, added(VALID)));
        Snippet b = classKey(assertEval("class B extends A {}", added(VALID)));
        Snippet ax = classKey(assertEval(as2,
                ste(MAIN_SNIPPET, VALID, VALID, true, null),
                ste(a, VALID, OVERWRITTEN, false, MAIN_SNIPPET),
                ste(b, VALID, VALID, true, MAIN_SNIPPET)));
        ax = classKey(assertEval(as1,
                ste(MAIN_SNIPPET, VALID, VALID, true, null),
                ste(ax, VALID, OVERWRITTEN, false, MAIN_SNIPPET),
                ste(b, VALID, VALID, true, MAIN_SNIPPET)));
        assertDrop(b,
                ste(b, VALID, DROPPED, true, null));
        ax = classKey(assertEval(as2,
                ste(MAIN_SNIPPET, VALID, VALID, true, null),
                ste(ax, VALID, OVERWRITTEN, false, MAIN_SNIPPET)));
        assertEval(as1,
                ste(MAIN_SNIPPET, VALID, VALID, true, null),
                ste(ax, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
    }

    // 8199623
    public void testTwoForkedDrop() {
        MethodSnippet p = methodKey(assertEval("void p() throws Exception { ((String) null).toString(); }"));
        MethodSnippet n = methodKey(assertEval("void n() throws Exception { try { p(); } catch (Exception ex) { throw new RuntimeException(\"bar\", ex); }}"));
        MethodSnippet m = methodKey(assertEval("void m() { try { n(); } catch (Exception ex) { throw new RuntimeException(\"foo\", ex); }}"));
        MethodSnippet c = methodKey(assertEval("void c() throws Throwable { p(); }"));
        assertDrop(p,
                ste(p, VALID, DROPPED, true, null),
                ste(n, VALID, RECOVERABLE_DEFINED, false, p),
                ste(c, VALID, RECOVERABLE_DEFINED, false, p));
        assertActiveKeys();
    }
}

¤ Dauer der Verarbeitung: 0.16 Sekunden (vorverarbeitet) ¤

Download des Quellennavigators
Download des sprechenden Kalenders
in der Quellcodebibliothek suchen

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.