Add StatementPagesTest

Adds a simple test that checks if empty pages are correctly
skipped through and all rows are being returned.
Covers #254.

driver-core/src/test/java/com/datastax/driver/core/StatementPagesTest.java

@@ -0,0 +1,32 @@
+package com.datastax.driver.core;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.testng.annotations.Test;
+
+public class StatementPagesTest extends CCMTestsSupport {
+  @Override
+  public void onTestContextInitialized() {
+    execute(
+        "CREATE KEYSPACE IF NOT EXISTS ks WITH REPLICATION = {'class': 'SimpleStrategy', 'replication_factor': 1}");
+    execute("CREATE TABLE IF NOT EXISTS ks.t (pk int, ck int, v int, PRIMARY KEY(pk, ck))");
+
+    for (int i = 0; i < 50; i++) {
+      // System.out.println("Insert " + i);
+      session().execute("INSERT INTO ks.t(pk, ck, v) VALUES (?, ?, ?)", i, i, 15);
+      session().execute("INSERT INTO ks.t(pk, ck, v) VALUES (?, ?, ?)", i, i, 32);
+    }
+
+    session().execute("INSERT INTO ks.t(pk, ck, v) VALUES (?, ?, ?)", 8, 8, 14);
+    session().execute("INSERT INTO ks.t(pk, ck, v) VALUES (?, ?, ?)", 11, 11, 14);
+    session().execute("INSERT INTO ks.t(pk, ck, v) VALUES (?, ?, ?)", 14, 14, 14);
+  }
+
+  @Test(groups = "short")
+  public void should_not_get_stuck_on_empty_pages() {
+    SimpleStatement st = new SimpleStatement("SELECT * FROM ks.t WHERE v = 14 ALLOW FILTERING");
+    st.setFetchSize(1);
+    ResultSet rs = session().execute(st);
+    assertThat(rs.all().size()).isEqualTo(3);
+  }
+}