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Commit 4f6db741 authored by Peter Li's avatar Peter Li Committed by Automerger Merge Worker
Browse files

Merge "Add unit test to test data overflow when using BinaryXmlSerializer"... 

Merge "Add unit test to test data overflow when using BinaryXmlSerializer" into udc-dev am: 1a6f5550

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/27431144



Change-Id: Ic2405eee107e52495dc38755f924de36162a4ce4
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents aa29cd85 1a6f5550

core/tests/coretests/src/android/util/BinaryXmlTest.java

+50 −0
Original line number Diff line number Diff line
@@ -24,6 +24,8 @@ import static android.util.XmlTest.doVerifyRead; 
import static android.util.XmlTest.doVerifyWrite;



import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertThrows;

import static org.junit.Assert.fail;

import static org.xmlpull.v1.XmlPullParser.START_TAG;



import android.os.PersistableBundle;
@@ -41,12 +43,15 @@ import java.io.ByteArrayOutputStream; 
import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.nio.charset.StandardCharsets;



@RunWith(AndroidJUnit4.class)

public class BinaryXmlTest {

    private static final int MAX_UNSIGNED_SHORT = 65_535;



    /**

     * Verify that we can write and read large numbers of interned

     * {@link String} values.
@@ -170,4 +175,49 @@ public class BinaryXmlTest { 
            }

        }

    }



    @Test

    public void testAttributeBytes_BinaryDataOverflow() throws Exception {

        final TypedXmlSerializer out = Xml.newBinarySerializer();

        final ByteArrayOutputStream os = new ByteArrayOutputStream();

        out.setOutput(os, StandardCharsets.UTF_8.name());



        final byte[] testBytes = new byte[MAX_UNSIGNED_SHORT + 1];

        assertThrows(IOException.class,

                () -> out.attributeBytesHex(/* namespace */ null, /* name */ "attributeBytesHex",

                        testBytes));



        assertThrows(IOException.class,

                () -> out.attributeBytesBase64(/* namespace */ null, /* name */

                        "attributeBytesBase64", testBytes));

    }



    @Test

    public void testAttributeBytesHex_MaximumBinaryData() throws Exception {

        final TypedXmlSerializer out = Xml.newBinarySerializer();

        final ByteArrayOutputStream os = new ByteArrayOutputStream();

        out.setOutput(os, StandardCharsets.UTF_8.name());



        final byte[] testBytes = new byte[MAX_UNSIGNED_SHORT];

        try {

            out.attributeBytesHex(/* namespace */ null, /* name */ "attributeBytesHex", testBytes);

        } catch (Exception e) {

            fail("testAttributeBytesHex fails with exception: " + e.toString());

        }

    }



    @Test

    public void testAttributeBytesBase64_MaximumBinaryData() throws Exception {

        final TypedXmlSerializer out = Xml.newBinarySerializer();

        final ByteArrayOutputStream os = new ByteArrayOutputStream();

        out.setOutput(os, StandardCharsets.UTF_8.name());



        final byte[] testBytes = new byte[MAX_UNSIGNED_SHORT];

        try {

            out.attributeBytesBase64(/* namespace */ null, /* name */ "attributeBytesBase64",

                    testBytes);

        } catch (Exception e) {

            fail("testAttributeBytesBase64 fails with exception: " + e.toString());

        }

    }

}