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Commit c1d6b6f6 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 am: 4f6db741

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



Change-Id: I86e58eb59006467bc969f8d4c5886281e046c463
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 93489379 4f6db741

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());

        }

    }

}