1 files changed, 125 insertions, 0 deletions
diff --git a/sax/tests/saxtests/src/android/sax/ExpatPerformanceTest.java b/sax/tests/saxtests/src/android/sax/ExpatPerformanceTest.java
new file mode 100644
index 0000000..892c490
--- /dev/null
+++ b/sax/tests/saxtests/src/android/sax/ExpatPerformanceTest.java
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed 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 android.sax;
+
+import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.LargeTest;
+import android.util.Log;
+import android.util.Xml;
+import org.kxml2.io.KXmlParser;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.DefaultHandler;
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+import com.android.frameworks.saxtests.R;
+
+public class ExpatPerformanceTest extends AndroidTestCase {
+
+    private static final String TAG = ExpatPerformanceTest.class.getSimpleName();
+
+    private byte[] mXmlBytes;
+
+    @Override
+    public void setUp() throws Exception {
+        super.setUp();
+        InputStream in = mContext.getResources().openRawResource(R.raw.youtube);
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        byte[] buffer = new byte[1024];
+        int length;
+        while ((length = in.read(buffer)) != -1) {
+            out.write(buffer, 0, length);
+        }
+        mXmlBytes = out.toByteArray();
+
+        Log.i("***", "File size: " + (mXmlBytes.length / 1024) + "k");
+    }
+
+    @LargeTest
+    public void testPerformance() throws Exception {
+//        try {
+//            Debug.startMethodTracing("expat3");
+//        for (int i = 0; i < 1; i++) {
+            runJavaPullParser();
+            runSax();
+            runExpatPullParser();
+//        }
+//    } finally {
+//            Debug.stopMethodTracing();
+//        }
+    }
+
+    private InputStream newInputStream() {
+        return new ByteArrayInputStream(mXmlBytes);
+    }
+
+    private void runSax() throws IOException, SAXException {
+        long start = System.currentTimeMillis();
+        Xml.parse(newInputStream(), Xml.Encoding.UTF_8, new DefaultHandler());
+        long elapsed = System.currentTimeMillis() - start;
+        Log.i(TAG, "expat SAX: " + elapsed + "ms");
+    }
+
+    private void runExpatPullParser() throws XmlPullParserException, IOException {
+        long start = System.currentTimeMillis();
+        XmlPullParser pullParser = Xml.newPullParser();
+        pullParser.setInput(newInputStream(), "UTF-8");
+        withPullParser(pullParser);
+        long elapsed = System.currentTimeMillis() - start;
+        Log.i(TAG, "expat pull: " + elapsed + "ms");
+    }
+
+    private void runJavaPullParser() throws XmlPullParserException, IOException {
+        XmlPullParser pullParser;
+        long start = System.currentTimeMillis();
+        pullParser = new KXmlParser();
+        pullParser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
+        pullParser.setInput(newInputStream(), "UTF-8");
+        withPullParser(pullParser);
+        long elapsed = System.currentTimeMillis() - start;
+        Log.i(TAG, "java pull parser: " + elapsed + "ms");
+    }
+
+    private static void withPullParser(XmlPullParser pullParser)
+            throws IOException, XmlPullParserException {
+        int eventType = pullParser.next();
+        while (eventType != XmlPullParser.END_DOCUMENT) {
+            switch (eventType) {
+                case XmlPullParser.START_TAG:
+                    pullParser.getName();
+//                        int nattrs = pullParser.getAttributeCount();
+//                        for (int i = 0; i < nattrs; ++i) {
+//                            pullParser.getAttributeName(i);
+//                            pullParser.getAttributeValue(i);
+//                        }
+                    break;
+                case XmlPullParser.END_TAG:
+                    pullParser.getName();
+                    break;
+                case XmlPullParser.TEXT:
+                    pullParser.getText();
+                    break;
+            }
+            eventType = pullParser.next();
+        }
+    }
+}