Quelle ClassesTest.java Sprache: JAVA

/*
* Copyright (c) 2015, 2022, 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 8145239 8129559 8080354 8189248 8010319 8246353 8247456 8282160 8292755
* @summary Tests for EvaluationState.classes
* @build KullaTesting TestingInputStream ExpectedDiagnostic
* @run testng ClassesTest
*/

import java.util.ArrayList;
import java.util.List;

import javax.tools.Diagnostic;

import jdk.jshell.Snippet;
import jdk.jshell.TypeDeclSnippet;
import jdk.jshell.VarSnippet;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import jdk.jshell.Diag;
import jdk.jshell.Snippet.Status;
import static java.util.stream.Collectors.toList;
import static jdk.jshell.Snippet.Status.VALID;
import static jdk.jshell.Snippet.Status.RECOVERABLE_NOT_DEFINED;
import static jdk.jshell.Snippet.Status.RECOVERABLE_DEFINED;
import static jdk.jshell.Snippet.Status.DROPPED;
import static jdk.jshell.Snippet.Status.REJECTED;
import static jdk.jshell.Snippet.Status.OVERWRITTEN;
import static jdk.jshell.Snippet.Status.NONEXISTENT;
import static jdk.jshell.Snippet.SubKind.*;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;

@Test
public class ClassesTest extends KullaTesting {

    public void noClasses() {
        assertNumberOfActiveClasses(0);
    }

    public void testSignature1() {
        TypeDeclSnippet c1 = classKey(assertEval("class A extends B {}", added(RECOVERABLE_NOT_DEFINED)));
        assertTypeDeclSnippet(c1, "A", RECOVERABLE_NOT_DEFINED, CLASS_SUBKIND, 1, 0);
        TypeDeclSnippet c2 = classKey(assertEval("@interface A { Class f() default B.class; }",
                ste(MAIN_SNIPPET, RECOVERABLE_NOT_DEFINED, RECOVERABLE_NOT_DEFINED, false, null),
                ste(c1, RECOVERABLE_NOT_DEFINED, OVERWRITTEN, false, MAIN_SNIPPET)));
        assertTypeDeclSnippet(c2, "A", RECOVERABLE_NOT_DEFINED, ANNOTATION_TYPE_SUBKIND, 1, 0);
        TypeDeclSnippet c3 = classKey(assertEval("enum A {; private A(B b) {} }",
                ste(MAIN_SNIPPET, RECOVERABLE_NOT_DEFINED, RECOVERABLE_NOT_DEFINED, false, null),
                ste(c2, RECOVERABLE_NOT_DEFINED, OVERWRITTEN, false, MAIN_SNIPPET)));
        assertTypeDeclSnippet(c3, "A", RECOVERABLE_NOT_DEFINED, ENUM_SUBKIND, 1, 0);
        TypeDeclSnippet c4 = classKey(assertEval("interface A extends B {}",
                ste(MAIN_SNIPPET, RECOVERABLE_NOT_DEFINED, RECOVERABLE_NOT_DEFINED, false, null),
                ste(c3, RECOVERABLE_NOT_DEFINED, OVERWRITTEN, false, MAIN_SNIPPET)));
        assertTypeDeclSnippet(c4, "A", RECOVERABLE_NOT_DEFINED, INTERFACE_SUBKIND, 1, 0);
        TypeDeclSnippet c5 = classKey(assertEval("class A { void f(B b) {} }",
                ste(MAIN_SNIPPET, RECOVERABLE_NOT_DEFINED, RECOVERABLE_NOT_DEFINED, false, null),
                ste(c4, RECOVERABLE_NOT_DEFINED, OVERWRITTEN, false, MAIN_SNIPPET)));
        assertTypeDeclSnippet(c5, "A", RECOVERABLE_NOT_DEFINED, CLASS_SUBKIND, 1, 0);
    }

    public void testSignature2() {
        TypeDeclSnippet c1 = (TypeDeclSnippet) assertDeclareFail("class A { void f() { return g(); } }", "compiler.err.prob.found.req");
        assertTypeDeclSnippet(c1, "A", REJECTED, CLASS_SUBKIND, 0, 2);
        TypeDeclSnippet c2 = classKey(assertEval("class A { int f() { return g(); } }",
                ste(c1, NONEXISTENT, RECOVERABLE_DEFINED, true, null)));
        assertTypeDeclSnippet(c2, "A", RECOVERABLE_DEFINED, CLASS_SUBKIND, 1, 0);
        assertDrop(c2,
                ste(c2, RECOVERABLE_DEFINED, DROPPED, true, null));
    }

    public void classDeclaration() {
        assertEval("class A { }");
        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"));
    }

    public void interfaceDeclaration() {
        assertEval("interface A { }");
        assertClasses(clazz(KullaTesting.ClassType.INTERFACE, "A"));
    }

    public void annotationDeclaration() {
        assertEval("@interface A { }");
        assertClasses(clazz(KullaTesting.ClassType.ANNOTATION, "A"));
    }

    public void enumDeclaration() {
        assertEval("enum A { }");
        assertClasses(clazz(KullaTesting.ClassType.ENUM, "A"));
    }

    public void classesDeclaration() {
        assertEval("interface A { }");
        assertEval("class B implements A { }");
        assertEval("interface C extends A { }");
        assertEval("enum D implements C { }");
        assertEval("@interface E { }");
        assertClasses(
                clazz(KullaTesting.ClassType.INTERFACE, "A"),
                clazz(KullaTesting.ClassType.CLASS, "B"),
                clazz(KullaTesting.ClassType.INTERFACE, "C"),
                clazz(KullaTesting.ClassType.ENUM, "D"),
                clazz(KullaTesting.ClassType.ANNOTATION, "E"));
        assertActiveKeys();
    }

    public void classesRedeclaration1() {
        Snippet a = classKey(assertEval("class A { }"));
        Snippet b = classKey(assertEval("interface B { }"));
        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"), clazz(KullaTesting.ClassType.INTERFACE, "B"));
        assertActiveKeys();

        assertEval("interface A { }",
                ste(MAIN_SNIPPET, VALID, VALID, true, null),
                ste(a, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
        assertClasses(clazz(KullaTesting.ClassType.INTERFACE, "A"),
                clazz(KullaTesting.ClassType.INTERFACE, "B"));
        assertActiveKeys();

        assertEval("interface B { } //again",
                ste(MAIN_SNIPPET, VALID, VALID, false, null),
                ste(b, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
        assertClasses(clazz(KullaTesting.ClassType.INTERFACE, "A"),
                clazz(KullaTesting.ClassType.INTERFACE, "B"));
        assertActiveKeys();
    }

    public void classesRedeclaration2() {
        assertEval("class A { }");
        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"));
        assertActiveKeys();

        Snippet b = classKey(assertEval("class B extends A { }"));
        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"),
                clazz(KullaTesting.ClassType.CLASS, "B"));
        assertActiveKeys();

        Snippet c = classKey(assertEval("class C extends B { }"));
        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"),
                clazz(KullaTesting.ClassType.CLASS, "B"), clazz(KullaTesting.ClassType.CLASS, "C"));
        assertActiveKeys();

        assertEval("interface B { }",
                DiagCheck.DIAG_OK,
                DiagCheck.DIAG_ERROR,
                ste(MAIN_SNIPPET, VALID, VALID, true, null),
                ste(b, VALID, OVERWRITTEN, false, MAIN_SNIPPET),
                ste(c, VALID, RECOVERABLE_NOT_DEFINED, true, MAIN_SNIPPET));
        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"),
                clazz(KullaTesting.ClassType.INTERFACE, "B"), clazz(KullaTesting.ClassType.CLASS, "C"));
        assertEval("new C();",
                DiagCheck.DIAG_ERROR,
                DiagCheck.DIAG_ERROR,
                added(REJECTED));
        assertActiveKeys();
    }

    //8154496: test3 update: sig change should false
    public void classesRedeclaration3() {
        Snippet a = classKey(assertEval("class A { }"));
        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"));
        assertActiveKeys();

        Snippet test1 = methodKey(assertEval("A test() { return null; }"));
        Snippet test2 = methodKey(assertEval("void test(A a) { }"));
        Snippet test3 = methodKey(assertEval("void test(int n) {A a;}"));
        assertActiveKeys();

        assertEval("interface A { }",
                ste(MAIN_SNIPPET, VALID, VALID, true, null),
                ste(test1, VALID, VALID, true, MAIN_SNIPPET),
                ste(test2, VALID, VALID, true, MAIN_SNIPPET),
                ste(test3, VALID, VALID, true, MAIN_SNIPPET),
                ste(a, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
        assertClasses(clazz(KullaTesting.ClassType.INTERFACE, "A"));
        assertMethods(method("()A", "test"), method("(A)void", "test"), method("(int)void", "test"));
        assertActiveKeys();
    }

    public void classesCyclic1() {
        Snippet b = classKey(assertEval("class B extends A { }",
                added(RECOVERABLE_NOT_DEFINED)));
        Snippet a = classKey(assertEval("class A extends B { }", DiagCheck.DIAG_IGNORE, DiagCheck.DIAG_IGNORE,
                added(REJECTED)));
        /***
        assertDeclareFail("class A extends B { }", "****",
                added(REJECTED),
                ste(b, RECOVERABLE_NOT_DEFINED, RECOVERABLE_NOT_DEFINED, false, MAIN_SNIPPET));
        ***/
        // It is random which one it shows up in, but cyclic error should be there
        List<Diag> diagsA = getState().diagnostics(a).collect(toList());
        List<Diag> diagsB = getState().diagnostics(b).collect(toList());
        List<Diag> diags;
        if (diagsA.isEmpty()) {
            diags = diagsB;
        } else {
            diags = diagsA;
            assertTrue(diagsB.isEmpty());
        }
        assertEquals(diags.size(), 1, "Expected one error");
        assertEquals(diags.get(0).getCode(), "compiler.err.cyclic.inheritance", "Expected cyclic inheritance error");
        assertActiveKeys();
    }

    public void classesCyclic2() {
        Snippet d = classKey(assertEval("class D extends E { }", added(RECOVERABLE_NOT_DEFINED)));
        assertEval("class E { D d; }",
                added(VALID),
                ste(d, RECOVERABLE_NOT_DEFINED, VALID, true, MAIN_SNIPPET));
        assertActiveKeys();
    }

    public void classesCyclic3() {
        Snippet outer = classKey(assertEval("class Outer { class Inner extends Foo { } }",
                added(RECOVERABLE_NOT_DEFINED)));
        Snippet foo = classKey(assertEval("class Foo { } ",
                added(VALID),
                ste(outer, RECOVERABLE_NOT_DEFINED, VALID, true, MAIN_SNIPPET)));
        assertEval(" class Foo extends Outer { }",
                ste(MAIN_SNIPPET, VALID, VALID, true, null),
                ste(foo, VALID, OVERWRITTEN, false, MAIN_SNIPPET),
                ste(outer, VALID, VALID, true, MAIN_SNIPPET));
        assertActiveKeys();
    }

    public void classesIgnoredModifiers() {
        assertEval("public interface A { }");
        assertEval("static class B implements A { }");
        assertEval("static interface C extends A { }");
        assertActiveKeys();
    }

    public void classesIgnoredModifiersAnnotation() {
        assertEval("public @interface X { }");
        assertEval("@X public interface A { }");
        assertEval("@X static class B implements A { }");
        assertEval("@X static interface C extends A { }");
        assertActiveKeys();
    }

    public void classesIgnoredModifiersOtherModifiers() {
        assertEval("strictfp public interface A { }");
        assertEval("strictfp static class B implements A { }");
        assertEval("strictfp static interface C extends A { }");
        assertActiveKeys();
    }

    public void ignoreModifierSpaceIssue() {
        assertEval("interface I { void f(); } ");
        // there should not be a space between 'I' and '{' to reproduce the failure
        assertEval("class C implements I{ public void f() {}}");
        assertClasses(clazz(KullaTesting.ClassType.CLASS, "C"), clazz(KullaTesting.ClassType.INTERFACE, "I"));
        assertActiveKeys();
    }

    @DataProvider(name = "innerClasses")
    public Object[][] innerClasses() {
        List<Object[]> list = new ArrayList<>();
        for (ClassType outerClassType : ClassType.values()) {
            for (ClassType innerClassType : ClassType.values()) {
                list.add(new Object[]{outerClassType, innerClassType});
            }
        }
        return list.toArray(new Object[list.size()][]);
    }

    @Test(dataProvider = "innerClasses")
    public void innerClasses(ClassType outerClassType, ClassType innerClassType) {
        String source =
                outerClassType + " A {" + (outerClassType == ClassType.ENUM ? ";" : "") +
                innerClassType + " B { }" +
                "}";
        assertEval(source);
        assertNumberOfActiveClasses(1);
        assertActiveKeys();
    }

    public void testInnerClassesCrash() {
        Snippet a = classKey(assertEval("class A { class B extends A {} }"));
        Snippet a2 = classKey(assertEval("class A { interface I1 extends I2 {} interface I2 {} }",
                ste(MAIN_SNIPPET, VALID, VALID, true, null),
                ste(a, VALID, OVERWRITTEN, false, MAIN_SNIPPET)));
        assertEval("class A { A a = new A() {}; }",
                ste(MAIN_SNIPPET, VALID, VALID, true, null),
                ste(a2, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
    }

    public void testInnerClassesCrash1() {
        assertEval("class A { class B extends A {} B getB() { return new B();} }");
        assertEquals(varKey(assertEval("A a = new A();")).name(), "a");
        VarSnippet variableKey = varKey(assertEval("a.getB();"));
        assertEquals(variableKey.typeName(), "A.B");
    }

    public void testInnerClassesCrash2() {
        assertEval("class A { interface I1 extends I2 {} interface I2 {} I1 x; }");
        assertEquals(varKey(assertEval("A a = new A();")).name(), "a");
        VarSnippet variableKey = varKey(assertEval("a.x;"));
        assertEquals(variableKey.typeName(), "A.I1");
    }

    public void testCircular() {
        assertEval("import java.util.function.Supplier;");
        TypeDeclSnippet aClass =
                classKey(assertEval("public class A {\n" +
                                    " private class SomeClass {}\n" +
                                    " public Supplier m() {\n" +
                                    " return new B<>(this);\n" +
                                    " }\n" +
                                    "}",
                                   added(RECOVERABLE_DEFINED)));
        assertEval("public class B implements Supplier {\n" +
                   " public B(A a) {}\n" +
                   " public T get() {return null;}\n" +
                   "}",
                   added(VALID),
                   ste(aClass, Status.RECOVERABLE_DEFINED, Status.VALID, false, null));
        assertEval("new A()");
    }

    public void testCircular8282160() {
        TypeDeclSnippet classKey = classKey(assertEval("""
                                                       class B {
                                                           C c;
                                                           public void run() {}
                                                       }
                                                       """,
                                                       added(RECOVERABLE_NOT_DEFINED)));
        assertEval("""
                   class C extends B {
                       @Override
                       public void run() {}
                   }
                   """,
                   added(VALID),
                   ste(classKey, Status.RECOVERABLE_NOT_DEFINED, Status.VALID, true, null));
    }

    public void testDefaultMethodInInterface() {
        assertEvalFail("""
                       interface C {
                           public void run() {
                               try {
                                   throw IllegalStateException();
                               } catch (Throwable t) {
                                   throw new RuntimeException(t);
                               }
                           }
                       }
                       """);
    }

}

quality98%

¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤

*© Formatika GbR, Deutschland

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

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.