[Android] Add an out-of-app instrumentation driver APK.

testing/android/java/src/org/chromium/test/outstrumentation/reporter/ReporterListener.java

Index: testing/android/java/src/org/chromium/test/outstrumentation/reporter/ReporterListener.java
diff --git a/testing/android/java/src/org/chromium/test/outstrumentation/reporter/ReporterListener.java b/testing/android/java/src/org/chromium/test/outstrumentation/reporter/ReporterListener.java
new file mode 100644
index 0000000000000000000000000000000000000000..22dd5b4dad28b394d7d627628df377cfe8572bbe
--- /dev/null
+++ b/testing/android/java/src/org/chromium/test/outstrumentation/reporter/ReporterListener.java
@@ -0,0 +1,80 @@
+// 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.test.outstrumentation.reporter;
+
+import android.content.Context;
+import android.os.RemoteException;
+import android.util.Log;
+
+import junit.framework.AssertionFailedError;
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestListener;
+
+/**
+ * A TestListener that reports when tests start, pass, or fail.
+ */
+public class ReporterListener implements TestListener {
+
+    private static final String TAG = "ReporterListener";
+
+    private boolean mFailed;
+    private final Reporter mReporter;
+
+    public ReporterListener(Context context) {
+        mReporter = new Reporter(context);
+    }
+
+    @Override
+    public void addError(Test test, Throwable t) {
+        Log.e(TAG, "Error while running " + test.toString(), t);
+        mFailed = true;
+    }
+
+    public void addFailure(Test test, AssertionFailedError e) {

[Ted C, 2015/04/06 17:43:54]

javadoc

[jbudorick, 2015/04/07 00:54:39]

Done.

+        Log.e(TAG, "Failure while running " + test.toString(), e);
+        mFailed = true;
+    }
+
+    @Override
+    public void startTest(Test test) {
+        mFailed = false;
+        if (test instanceof TestCase) {
+            startTestCase((TestCase) test);
+        }

[Ted C, 2015/04/06 17:43:54]

Could it ever not be a TestCase?

Should there be an else handling the error?

Maybe we should just take a class cast exception and not if check it (adding a
findbugs annotation to ignore it's complaint)

[jbudorick, 2015/04/07 00:54:39]

I don't think so, but that's based on Android, not junit.
Done.

+    }
+
+    private void startTestCase(TestCase testCase) {
+        try {
+            mReporter.testStarted(testCase.getClass().getName(), testCase.getName());
+        } catch (InterruptedException e) {
+            Log.e(TAG, "Interrupted while reporting start of " + testCase.toString(), e);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Remote error while reporting start of " + testCase.toString(), e);
+        }
+    }
+
+    @Override
+    public void endTest(Test test) {
+        if (test instanceof TestCase) {
+            endTestCase((TestCase) test);
+        }
+    }
+
+    private void endTestCase(TestCase testCase) {
+        try {
+            if (mFailed) {
+                mReporter.testFailed(testCase.getClass().getName(), testCase.getName());
+            } else {
+                mReporter.testPassed(testCase.getClass().getName(), testCase.getName());
+            }
+        } catch (InterruptedException e) {
+            Log.e(TAG, "Interrupted while reporting start of " + testCase.toString(), e);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Remote error while reporting start of " + testCase.toString(), e);
+        }
+    }
+
+}