Wrote unit test for cursor navigation (issue #26).

pom.xml

@@ -19,6 +19,11 @@
 				0.7.0
 			</version>
 		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.10</version>
+		</dependency>
 	</dependencies>
 
 	<build>

src/test/java/com/tightdb/lib/AbstractNavigationTest.java

@@ -0,0 +1,65 @@
+package com.tightdb.lib;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+import com.tightdb.generated.Employee;
+import com.tightdb.generated.EmployeeQuery;
+import com.tightdb.generated.EmployeeView;
+
+public abstract class AbstractNavigationTest {
+
+	protected abstract AbstractRowset<Employee, EmployeeView, EmployeeQuery> getTableOrView();
+
+	@Test
+	public void shouldNavigateToFirstRecord() {
+		Employee first = getTableOrView().first();
+
+		assertEquals(0, first.getPosition());
+	}
+
+	@Test
+	public void shouldNavigateToLastRecord() {
+		Employee last = getTableOrView().last();
+
+		assertEquals(getTableOrView().size() - 1, last.getPosition());
+	}
+
+	@Test
+	public void shouldNavigateToNextRecord() {
+		Employee e = getTableOrView().at(0).next();
+
+		assertEquals(1, e.getPosition());
+	}
+
+	@Test
+	public void shouldNavigateToPreviousRecord() {
+		Employee e = getTableOrView().at(1).previous();
+
+		assertEquals(0, e.getPosition());
+	}
+
+	@Test
+	public void shouldNavigateAfterSpecifiedRecords() {
+		Employee e = getTableOrView().at(0).after(2);
+
+		assertEquals(2, e.getPosition());
+	}
+
+	@Test
+	public void shouldNavigateBeforeSpecifiedRecords() {
+		Employee e = getTableOrView().at(2).before(2);
+
+		assertEquals(0, e.getPosition());
+	}
+
+	@Test
+	public void shouldReturnNullOnInvalidPosition() {
+		assertNull(getTableOrView().at(0).previous());
+		assertNull(getTableOrView().last().next());
+		assertNull(getTableOrView().at(1).before(2));
+		assertNull(getTableOrView().at(2).after(1000));
+	}
+
+}

src/test/java/com/tightdb/lib/TableNavigationTest.java

@@ -0,0 +1,27 @@
+package com.tightdb.lib;
+
+import java.util.Date;
+
+import com.tightdb.generated.Employee;
+import com.tightdb.generated.EmployeeQuery;
+import com.tightdb.generated.EmployeeTable;
+import com.tightdb.generated.EmployeeView;
+
+public class TableNavigationTest extends AbstractNavigationTest {
+
+	private EmployeeTable employees;
+
+	public TableNavigationTest() {
+		employees = new EmployeeTable();
+
+		employees.add("John", "Doe", 10000, true, new byte[] { 1, 2, 3 }, new Date(), "extra");
+		employees.add("Johny", "B. Good", 20000, true, new byte[] { 1, 2, 3 }, new Date(), true);
+		employees.insert(1, "Nikolche", "Mihajlovski", 30000, false, new byte[] { 4, 5 }, new Date(), 1234.56);
+	}
+
+	@Override
+	protected AbstractRowset<Employee, EmployeeView, EmployeeQuery> getTableOrView() {
+		return employees;
+	}
+
+}

src/test/java/com/tightdb/lib/ViewNavigationTest.java

@@ -0,0 +1,29 @@
+package com.tightdb.lib;
+
+import java.util.Date;
+
+import com.tightdb.generated.Employee;
+import com.tightdb.generated.EmployeeQuery;
+import com.tightdb.generated.EmployeeTable;
+import com.tightdb.generated.EmployeeView;
+
+public class ViewNavigationTest extends AbstractNavigationTest {
+
+	private EmployeeView view;
+
+	public ViewNavigationTest() {
+		EmployeeTable employees = new EmployeeTable();
+
+		employees.add("John", "Doe", 10000, true, new byte[] { 1, 2, 3 }, new Date(), "extra");
+		employees.add("Johny", "B. Good", 20000, true, new byte[] { 1, 2, 3 }, new Date(), true);
+		employees.insert(1, "Nikolche", "Mihajlovski", 30000, false, new byte[] { 4, 5 }, new Date(), 1234.56);
+
+		view = employees.firstName.startsWith("").findAll();
+	}
+
+	@Override
+	protected AbstractRowset<Employee, EmployeeView, EmployeeQuery> getTableOrView() {
+		return view;
+	}
+
+}