am ef3cafe1: (-s ours) am 2bffbe7e: Merge "Stop logging slow requests outside of debug logs."

* commit 'ef3cafe15faf2b295059b1c2784f8b88998d46ff':
diff --git a/pom.xml b/pom.xml
index 6b8072e..7c37e0f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>org.robolectric</groupId>
       <artifactId>robolectric</artifactId>
-      <version>2.2</version>
+      <version>3.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/src/main/java/com/android/volley/toolbox/HurlStack.java b/src/main/java/com/android/volley/toolbox/HurlStack.java
index 31d57f0..1be202e 100644
--- a/src/main/java/com/android/volley/toolbox/HurlStack.java
+++ b/src/main/java/com/android/volley/toolbox/HurlStack.java
@@ -23,6 +23,7 @@
 import org.apache.http.Header;
 import org.apache.http.HttpEntity;
 import org.apache.http.HttpResponse;
+import org.apache.http.HttpStatus;
 import org.apache.http.ProtocolVersion;
 import org.apache.http.StatusLine;
 import org.apache.http.entity.BasicHttpEntity;
@@ -115,7 +116,9 @@
         StatusLine responseStatus = new BasicStatusLine(protocolVersion,
                 connection.getResponseCode(), connection.getResponseMessage());
         BasicHttpResponse response = new BasicHttpResponse(responseStatus);
-        response.setEntity(entityFromConnection(connection));
+        if (hasResponseBody(request.getMethod(), responseStatus.getStatusCode())) {
+            response.setEntity(entityFromConnection(connection));
+        }
         for (Entry<String, List<String>> header : connection.getHeaderFields().entrySet()) {
             if (header.getKey() != null) {
                 Header h = new BasicHeader(header.getKey(), header.getValue().get(0));
@@ -126,6 +129,20 @@
     }
 
     /**
+     * Checks if a response message contains a body.
+     * @see <a href="https://tools.ietf.org/html/rfc7230#section-3.3">RFC 7230 section 3.3</a>
+     * @param requestMethod request method
+     * @param responseCode response status code
+     * @return whether the response has a body
+     */
+    private static boolean hasResponseBody(int requestMethod, int responseCode) {
+        return requestMethod != Request.Method.HEAD
+            && !(HttpStatus.SC_CONTINUE <= responseCode && responseCode < HttpStatus.SC_OK)
+            && responseCode != HttpStatus.SC_NO_CONTENT
+            && responseCode != HttpStatus.SC_NOT_MODIFIED;
+    }
+
+    /**
      * Initializes an {@link HttpEntity} from the given {@link HttpURLConnection}.
      * @param connection
      * @return an HttpEntity populated with data from <code>connection</code>.
diff --git a/src/test/java/com/android/volley/toolbox/NetworkImageViewTest.java b/src/test/java/com/android/volley/toolbox/NetworkImageViewTest.java
index 8bd98aa..917ddb4 100644
--- a/src/test/java/com/android/volley/toolbox/NetworkImageViewTest.java
+++ b/src/test/java/com/android/volley/toolbox/NetworkImageViewTest.java
@@ -8,7 +8,7 @@
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.Robolectric;
+import org.robolectric.RuntimeEnvironment;
 import org.robolectric.RobolectricTestRunner;
 
 import static org.junit.Assert.*;
@@ -20,7 +20,7 @@
 
     @Before public void setUp() throws Exception {
         mMockImageLoader = new MockImageLoader();
-        mNIV = new NetworkImageView(Robolectric.application);
+        mNIV = new NetworkImageView(RuntimeEnvironment.application);
     }
 
     @Test public void setImageUrl_requestsImage() {