Test Physical Web metadata serialization

chrome/android/javatests/src/org/chromium/chrome/browser/physicalweb/UrlInfoTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/physicalweb/UrlInfoTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/physicalweb/UrlInfoTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/physicalweb/UrlInfoTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..3f29bcfeb6b55643fbea68ac94654cc004a9c409
--- /dev/null
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/physicalweb/UrlInfoTest.java
@@ -0,0 +1,43 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.physicalweb;
+
+import android.test.suitebuilder.annotation.SmallTest;
+
+import junit.framework.TestCase;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+/**
+ * Tests for {@link UrlInfo}.
+ */
+public class UrlInfoTest extends TestCase {
+    private static final String URL = "https://example.com";
+    UrlInfo mReferenceUrlInfo = null;
+    JSONObject mReferenceJsonObject = null;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        mReferenceUrlInfo = new UrlInfo(URL, 99.5, 42);
+        // Because we can't print JSON sorted by keys, the order is important here.
+        mReferenceJsonObject = new JSONObject("{"
+                + "    \"url\": \"" + URL + "\","
+                + "    \"distance\": 99.5,"
+                + "    \"scan_timestamp\": 42"
+                + "}");
+    }
+
+    @SmallTest
+    public void testJsonSerializeWorks() throws JSONException {
+        assertEquals(mReferenceJsonObject.toString(), mReferenceUrlInfo.jsonSerialize().toString());
+    }
+
+    @SmallTest
+    public void testJsonDeserializeWorks() throws JSONException {
+        assertEquals(mReferenceUrlInfo, UrlInfo.jsonDeserialize(mReferenceJsonObject));
+    }
+}