java/lang/PackageTest.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.apache.harmony.luni.tests.java.lang;

import dalvik.annotation.KnownFailure;
import dalvik.annotation.TestTargets;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetNew;
import dalvik.annotation.TestTargetClass;

import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;
import java.lang.annotation.Annotation;

import java.lang.annotation.Annotation;

import tests.support.Support_ClassLoader;
import tests.support.resource.Support_Resources;

@TestTargetClass(Package.class)
public class PackageTest extends junit.framework.TestCase {

    private File resources;

    private String resPath;

    Class clazz;

    Package getTestPackage(String resourceJar, String className)
            throws Exception {

        if ("Dalvik".equals(System.getProperty("java.vm.name"))) {
            resourceJar = resourceJar.substring(0, resourceJar.indexOf(".")) +
                                                                    "_dex.jar";
        }
        Support_Resources.copyFile(resources, "Package", resourceJar);
        URL resourceURL = new URL("file:/" + resPath + "/Package/"
                + resourceJar);

        ClassLoader cl = Support_ClassLoader.getInstance(resourceURL,
                getClass().getClassLoader());

       clazz = cl.loadClass(className);
       return clazz.getPackage();
    }

    @Override
    protected void setUp() {
        resources = Support_Resources.createTempFolder();
        resPath = resources.toString();
        if (resPath.charAt(0) == '/' || resPath.charAt(0) == '\\')
            resPath = resPath.substring(1);
    }

    /**
     * There is a newer version of this class with some actual tests but since
     * the class is not implemented they all fail. For now use the stub test
     * methods.
     */

    /**
     * @tests java.lang.Package#getImplementationVendor()
     * @tests java.lang.Package#getImplementationVersion()
     * @tests java.lang.Package#getSpecificationTitle()
     * @tests java.lang.Package#getSpecificationVendor()
     * @tests java.lang.Package#getSpecificationVersion()
     * @tests java.lang.Package#getImplementationTitle()
     */
    @TestTargets({
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            notes = "",
            method = "getImplementationTitle",
            args = {}
        ),
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            notes = "",
            method = "getImplementationVendor",
            args = {}
        ),
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            notes = "",
            method = "getImplementationVersion",
            args = {}
        ),
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            notes = "",
            method = "getSpecificationTitle",
            args = {}
        ),
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            notes = "",
            method = "getSpecificationVendor",
            args = {}
        ),
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            notes = "",
            method = "getSpecificationVersion",
            args = {}
        )
    })
    @KnownFailure("get methods don't work.")
    public void test_helper_Attributes() throws Exception {

        Package p = getTestPackage("hyts_all_attributes.jar", "p.C");
        assertEquals(
                "Package getImplementationTitle returns a wrong string (1)",
                "p Implementation-Title", p.getImplementationTitle());
        assertEquals(
                "Package getImplementationVendor returns a wrong string (1)",
                "p Implementation-Vendor", p.getImplementationVendor());
        assertEquals(
                "Package getImplementationVersion returns a wrong string (1)",
                "2.2.2", p.getImplementationVersion());
        assertEquals(
                "Package getSpecificationTitle returns a wrong string (1)",
                "p Specification-Title", p.getSpecificationTitle());
        assertEquals(
                "Package getSpecificationVendor returns a wrong string (1)",
                "p Specification-Vendor", p.getSpecificationVendor());
        assertEquals(
                "Package getSpecificationVersion returns a wrong string (1)",
                "2.2.2", p.getSpecificationVersion());

        // No entry for the package
        Package p2 = getTestPackage("hyts_no_entry.jar", "p.C");
        assertEquals(
                "Package getImplementationTitle returns a wrong string (2)",
                "MF Implementation-Title", p2.getImplementationTitle());
        assertEquals(
                "Package getImplementationVendor returns a wrong string (2)",
                "MF Implementation-Vendor", p2.getImplementationVendor());
        assertEquals(
                "Package getImplementationVersion returns a wrong string (2)",
                "5.3.b1", p2.getImplementationVersion());
        assertEquals(
                "Package getSpecificationTitle returns a wrong string (2)",
                "MF Specification-Title", p2.getSpecificationTitle());
        assertEquals(
                "Package getSpecificationVendor returns a wrong string (2)",
                "MF Specification-Vendor", p2.getSpecificationVendor());
        assertEquals(
                "Package getSpecificationVersion returns a wrong string (2)",
                "1.2.3", p2.getSpecificationVersion());

        // No attributes in the package entry
        Package p3 = getTestPackage("hyts_no_attributes.jar", "p.C");
        assertEquals(
                "Package getImplementationTitle returns a wrong string (3)",
                "MF Implementation-Title", p3.getImplementationTitle());
        assertEquals(
                "Package getImplementationVendor returns a wrong string (3)",
                "MF Implementation-Vendor", p3.getImplementationVendor());
        assertEquals(
                "Package getImplementationVersion returns a wrong string (3)",
                "5.3.b1", p3.getImplementationVersion());
        assertEquals(
                "Package getSpecificationTitle returns a wrong string (3)",
                "MF Specification-Title", p3.getSpecificationTitle());
        assertEquals(
                "Package getSpecificationVendor returns a wrong string (3)",
                "MF Specification-Vendor", p3.getSpecificationVendor());
        assertEquals(
                "Package getSpecificationVersion returns a wrong string (3)",
                "1.2.3", p3.getSpecificationVersion());

        // Some attributes in the package entry
        Package p4 = getTestPackage("hyts_some_attributes.jar", "p.C");
        assertEquals(
                "Package getImplementationTitle returns a wrong string (4)",
                "p Implementation-Title", p4.getImplementationTitle());
        assertEquals(
                "Package getImplementationVendor returns a wrong string (4)",
                "MF Implementation-Vendor", p4.getImplementationVendor());
        assertEquals(
                "Package getImplementationVersion returns a wrong string (4)",
                "2.2.2", p4.getImplementationVersion());
        assertEquals(
                "Package getSpecificationTitle returns a wrong string (4)",
                "MF Specification-Title", p4.getSpecificationTitle());
        assertEquals(
                "Package getSpecificationVendor returns a wrong string (4)",
                "p Specification-Vendor", p4.getSpecificationVendor());
        assertEquals(
                "Package getSpecificationVersion returns a wrong string (4)",
                "2.2.2", p4.getSpecificationVersion());

        // subdirectory Package
        Package p5 = getTestPackage("hyts_pq.jar", "p.q.C");
        assertEquals(
                "Package getImplementationTitle returns a wrong string (5)",
                "p Implementation-Title", p5.getImplementationTitle());
        assertEquals(
                "Package getImplementationVendor returns a wrong string (5)",
                "p Implementation-Vendor", p5.getImplementationVendor());
        assertEquals(
                "Package getImplementationVersion returns a wrong string (5)",
                "1.1.3", p5.getImplementationVersion());
        assertEquals(
                "Package getSpecificationTitle returns a wrong string (5)",
                "p Specification-Title", p5.getSpecificationTitle());
        assertEquals(
                "Package getSpecificationVendor returns a wrong string (5)",
                "p Specification-Vendor", p5.getSpecificationVendor());
        assertEquals(
                "Package getSpecificationVersion returns a wrong string (5)",
                "2.2.0.0.0.0.0.0.0.0.0", p5.getSpecificationVersion());
    }

    /**
     * @tests java.lang.Package#getName()
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "getName",
        args = {}
    )
    public void test_getName() throws Exception {
        Package p = getTestPackage("hyts_pq.jar", "p.q.C");
        assertEquals("Package getName returns a wrong string", "p.q", p
                .getName());
    }

    /**
     * @tests java.lang.Package#getPackage(java.lang.String)
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "getPackage",
        args = {java.lang.String.class}
    )
    @KnownFailure("Real package information missing on android.")
    public void test_getPackageLjava_lang_String() throws Exception {
        assertSame("Package getPackage failed for java.lang", Package
                .getPackage("java.lang"), Package.getPackage("java.lang"));

        assertSame("Package getPackage failed for java.lang", Package
                .getPackage("java.lang"), Object.class.getPackage());

        Package p = getTestPackage("hyts_package.jar", "C");
        assertNull("getPackage should return null.", p);
    }

    /**
     * @tests java.lang.Package#getPackages()
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "getPackages",
        args = {}
    )
    @KnownFailure("Package information missing on android")
    public void test_getPackages() throws Exception {
        Package[] pckgs = Package.getPackages();
        boolean found = false;
        for (int i = 0; i < pckgs.length; i++) {
            if (pckgs[i].getName().equals("java.util")) {
                found = true;
                break;
            }
        }
        assertTrue("Package getPackages failed to retrieve a package", found);
    }

    /**
     * @tests java.lang.Package#hashCode()
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "hashCode",
        args = {}
    )
    public void test_hashCode() {
        Package p1 = Package.getPackage("java.lang");
        if (p1 != null) {
            assertEquals(p1.hashCode(), "java.lang".hashCode());
        }
    }

    /**
     * @tests java.lang.Package#isCompatibleWith(java.lang.String)
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "isCompatibleWith",
        args = {java.lang.String.class}
    )
    @KnownFailure("isCompatibleWith returns incorrect value.")
    public void test_isCompatibleWithLjava_lang_String() throws Exception {
        Package p = getTestPackage("hyts_c.jar", "p.C");

        assertTrue("Package isCompatibleWith fails with lower version", p
                .isCompatibleWith("2.1.9.9"));
        assertTrue("Package isCompatibleWith fails with same version (1)", p
                .isCompatibleWith("2.2.0"));
        assertTrue("Package isCompatibleWith fails with same version (2)", p
                .isCompatibleWith("2.2"));
        assertFalse("Package isCompatibleWith fails with higher version", p
                .isCompatibleWith("2.2.0.0.1"));
        try {
            p.isCompatibleWith(null);
            fail("Null version is illegal");
        } catch (NumberFormatException ok) {
        } catch (NullPointerException compatible) {
            /*
             * RI throws NPE instead of NFE...
             */
        }

        try {
            p.isCompatibleWith("");
            fail("Empty version is illegal");
        } catch (NumberFormatException ok) {}
        try {
            p.isCompatibleWith(".");
            fail("'.' version is illegal");
        } catch (NumberFormatException ok) {}
        try {
            p.isCompatibleWith("1.2.");
            fail("'1.2.' version is illegal");
        } catch (NumberFormatException ok) {}
        try {
            p.isCompatibleWith(".9");
            fail("'.9' version is illegal");
        } catch (NumberFormatException ok) {}
        try {
            p.isCompatibleWith("2.4..5");
            fail("'2.4..5' version is illegal");
        } catch (NumberFormatException ok) {}
        try {
            p.isCompatibleWith("20.-4");
            fail("'20.-4' version is illegal");
        } catch (NumberFormatException ok) {}
    }

    /**
     * @tests java.lang.Package#isSealed()
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "isSealed",
        args = {}
    )
    @KnownFailure("isSealed method returns false for sealed package.")
    public void test_isSealed() throws Exception {
        Package p = getTestPackage("hyts_pq.jar", "p.q.C");
        assertTrue("Package isSealed returns wrong boolean", p.isSealed());

        p = String.class.getPackage();
        assertFalse("Package isSealed returns wrong boolean", p.isSealed());
    }

    /**
     * @tests java.lang.Package#isSealed(java.net.URL)
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "isSealed",
        args = {java.net.URL.class}
    )
    @KnownFailure("isSealed method returns false for sealed package.")
    public void test_isSealedLjava_net_URL() throws Exception {
        Package p = getTestPackage("hyts_c.jar", "p.C");
        assertFalse("Package isSealed returns wrong boolean (1)", p
                .isSealed(new URL("file:/" + resPath + "/")));
        assertTrue("Package isSealed returns wrong boolean (2)", p
                .isSealed(new URL("file:/" + resPath + "/Package/hyts_c.jar")));
    }

    /**
     * @tests java.lang.Package#toString()
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "toString",
        args = {}
    )
    public void test_toString() throws Exception {
        Package p = getTestPackage("hyts_c.jar", "p.C");
        assertTrue("Package toString returns wrong string", p.toString()
                .length() > 0);
    }

    @SuppressWarnings("unchecked")
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "getAnnotation",
        args = {java.lang.Class.class}
    )
    @KnownFailure("Class loader can't retrieve information about annotations.")
    public void test_getAnnotation() throws Exception {
        String annotationName = "a.b.PackageAnnotation";
        Package p = getTestPackage("hyts_package.jar", annotationName);
        assertEquals(annotationName,
                p.getAnnotation(clazz).annotationType().getName());
        assertNull(String.class.getPackage().getAnnotation(Deprecated.class));
        assertNull(ExtendTestClass.class.getPackage().
                getAnnotation(Deprecated.class));
    }

    @SuppressWarnings("unchecked")
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "getAnnotations",
        args = {}
    )
    @KnownFailure("Class loader can't retrieve information about annotations.")
    public void test_getAnnotations() throws Exception {
        String annotationName = "a.b.PackageAnnotation";
        Package p = getTestPackage("hyts_package.jar", annotationName);

        Annotation [] annotations = p.getAnnotations();
        assertEquals(1, annotations.length);

        p = String.class.getPackage();
        assertEquals(0, p.getAnnotations().length);
    }

    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "getDeclaredAnnotations",
        args = {}
    )
    @KnownFailure("Class loader can't retrieve information about annotations.")
    public void test_getDeclaredAnnotations() throws Exception {
        String annotationName = "a.b.PackageAnnotation";
        Package p = getTestPackage("hyts_package.jar", annotationName);

        Annotation [] annotations = p.getDeclaredAnnotations();
        assertEquals(1, annotations.length);

        p = String.class.getPackage();
        assertEquals(0, p.getDeclaredAnnotations().length);
    }

    @SuppressWarnings("unchecked")
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "isAnnotationPresent",
        args = {java.lang.Class.class}
    )
    @KnownFailure("Class loader can't retrieve information about annotations.")
    public void test_isAnnotationPresent() throws Exception {
        String annotationName = "a.b.PackageAnnotation";
        Package p = getTestPackage("hyts_package.jar", annotationName);

        assertTrue(p.isAnnotationPresent(clazz));
        assertFalse(p.isAnnotationPresent(Deprecated.class));

        p = String.class.getPackage();
        assertFalse(p.isAnnotationPresent(clazz));
        assertFalse(p.isAnnotationPresent(Deprecated.class));
    }
}