diff -r 000000000000 -r 6474c204b198 mobile/android/base/tests/testInputUrlBar.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/tests/testInputUrlBar.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,128 @@
+package org.mozilla.gecko.tests;
+
+import org.mozilla.gecko.Actions;
+import org.mozilla.gecko.Element;
+import org.mozilla.gecko.R;
+
+import android.widget.EditText;
+
+/**
+ * Basic test of text editing within the editing mode.
+ * - Enter some text, move the cursor around, and modifying some text.
+ * - Check that all edit entry text is selected after switching about:home tabs.
+ */
+public final class testInputUrlBar extends BaseTest {
+    private Element mUrlBarEditElement;
+    private EditText mUrlBarEditView;
+
+    public void testInputUrlBar() {
+        blockForGeckoReady();
+
+        startEditingMode();
+        assertUrlBarText("about:home");
+
+        // Avoid any auto domain completion by using a prefix that matches
+        //  nothing, including about: pages
+        mActions.sendKeys("zy");
+        assertUrlBarText("zy");
+
+        mActions.sendKeys("cd");
+        assertUrlBarText("zycd");
+
+        mActions.sendSpecialKey(Actions.SpecialKey.LEFT);
+        mActions.sendSpecialKey(Actions.SpecialKey.LEFT);
+
+        // Inserting "" should not do anything.
+        mActions.sendKeys("");
+        assertUrlBarText("zycd");
+
+        mActions.sendKeys("ef");
+        assertUrlBarText("zyefcd");
+
+        mActions.sendSpecialKey(Actions.SpecialKey.RIGHT);
+        mActions.sendKeys("gh");
+        assertUrlBarText("zyefcghd");
+
+        final EditText editText = mUrlBarEditView;
+        runOnUiThreadSync(new Runnable() {
+            public void run() {
+                // Select "ef"
+                editText.setSelection(2);
+            }
+        });
+        mActions.sendKeys("op");
+        assertUrlBarText("zyopefcghd");
+
+        runOnUiThreadSync(new Runnable() {
+            public void run() {
+                // Select "cg"
+                editText.setSelection(6, 8);
+            }
+        });
+        mActions.sendKeys("qr");
+        assertUrlBarText("zyopefqrhd");
+
+        runOnUiThreadSync(new Runnable() {
+            public void run() {
+                // Select "op"
+                editText.setSelection(4,2);
+            }
+        });
+        mActions.sendKeys("st");
+        assertUrlBarText("zystefqrhd");
+
+        runOnUiThreadSync(new Runnable() {
+            public void run() {
+                editText.selectAll();
+            }
+        });
+        mActions.sendKeys("uv");
+        assertUrlBarText("uv");
+
+        // Dismiss the VKB
+        mActions.sendSpecialKey(Actions.SpecialKey.BACK);
+
+        // Dismiss editing mode
+        mActions.sendSpecialKey(Actions.SpecialKey.BACK);
+
+        waitForText("Enter Search or Address");
+
+        // URL bar should have forgotten about "uv" text.
+        startEditingMode();
+        assertUrlBarText("about:home");
+
+        int width = mDriver.getGeckoWidth() / 2;
+        int y = mDriver.getGeckoHeight() / 2;
+
+        // Slide to the right, force URL bar entry to lose input focus
+        mActions.drag(width, 0, y, y);
+
+        // Select text and replace the content
+        mSolo.clickOnView(mUrlBarEditView);
+        mActions.sendKeys("yz");
+
+        String yz = getUrlBarText();
+        mAsserter.ok("yz".equals(yz), "Is the URL bar text \"yz\"?", yz);
+    }
+
+    private void startEditingMode() {
+        focusUrlBar();
+
+        mUrlBarEditElement = mDriver.findElement(getActivity(), R.id.url_edit_text);
+        final int id = mUrlBarEditElement.getId();
+        mUrlBarEditView = (EditText) getActivity().findViewById(id);
+    }
+
+    private String getUrlBarText() {
+        final String elementText = mUrlBarEditElement.getText();
+        final String editText = mUrlBarEditView.getText().toString();
+        mAsserter.is(editText, elementText, "Does URL bar editText == elementText?");
+
+        return editText;
+    }
+
+    private void assertUrlBarText(String expectedText) {
+        String actualText = getUrlBarText();
+        mAsserter.is(actualText, expectedText, "Does URL bar actualText == expectedText?");
+    }
+}