gecko-dev/mobile/android/base/tests/testJarReader.java.in

#filter substitution
package @ANDROID_PACKAGE_NAME@.tests;

import java.lang.ClassLoader;
import java.io.InputStream;
import java.lang.reflect.Method;

/**
 * A basic jar reader test. Tests reading a png from fennec's apk, as well
 * as loading some invalid jar urls.
 */
public class testJarReader extends BaseTest {
    @Override
    protected int getTestType() {
        return TEST_MOCHITEST;
    }

    public void testJarReader() {
        try {
            ClassLoader classLoader = getActivity().getClassLoader();
            Class gjrClass = classLoader.loadClass("org.mozilla.gecko.util.GeckoJarReader");
            Method getStreamMethod = gjrClass.getMethod("getStream", String.class);
            String appPath = getActivity().getApplication().getPackageResourcePath();

            // Test reading a file from a jar url
            String url = "jar:file://" + getActivity().getApplication().getPackageResourcePath() + "!/omni.ja";
            InputStream stream = (InputStream)getStreamMethod.invoke(null, "jar:" + url + "!/chrome/chrome/content/branding/favicon32.png");
            mAsserter.isnot(stream, null, "JarReader returned null for invalid jar file");

            // Test looking for a jar that doesn't exist
            url = "jar:file://" + getActivity().getApplication().getPackageResourcePath() + "2!/omni.ja";
            stream = (InputStream)getStreamMethod.invoke(null, "jar:" + url + "!/chrome/chrome/content/branding/favicon32.png");
            mAsserter.is(stream, null, "JarReader returned null for invalid jar file");

            // Test looking for an non-existant file in a jar
            url = "jar:file://" + getActivity().getApplication().getPackageResourcePath() + "2!/omni.ja";
            stream = (InputStream)getStreamMethod.invoke(null, "jar:" + url + "!/chrome/chrome/content/branding/nonexistant_file.png");
            mAsserter.is(stream, null, "JarReader returned null for non-existant file in jar");

            // Test looking for an jar with an invalid url
            url = "jar:file://" + getActivity().getApplication().getPackageResourcePath() + "2!!/omni.ja";
            stream = (InputStream)getStreamMethod.invoke(null, "jar:" + url + "!/chrome/chrome/content/branding/nonexistant_file.png");
            mAsserter.is(stream, null, "JarReader returned null for bar jar url");
        } catch (java.lang.ClassNotFoundException ex) {
            mAsserter.is(false, true, "Error getting class");
            return;
        } catch (java.lang.NoSuchMethodException ex) {
            mAsserter.is(false, true, "Error getting method");
            return;
        } catch (java.lang.IllegalAccessException ex) {
            mAsserter.is(false, true, "Error calling method");
            return;
        } catch (java.lang.reflect.InvocationTargetException ex) {
            mAsserter.is(false, true, "Invocation target exception " + ex.getTargetException());
            return;
        }
    }

    private String getData(InputStream stream) {
        return new java.util.Scanner(stream).useDelimiter("\\A").next();
    }

}