CSHARP-962: Add SetBits to IndexOptionsBuilder.

Author: rstam

MongoDB.Driver/Builders/IndexOptionsBuilder.cs

@@ -48,6 +48,16 @@ public static IndexOptionsBuilder SetBackground(bool value)
             return new IndexOptionsBuilder().SetBackground(value);
         }
 
+        /// <summary>
+        /// Sets the location precision bits.
+        /// </summary>
+        /// <param name="value">The value.</param>
+        /// <returns>The builder (so method calls can be chained).</returns>
+        public static IndexOptionsBuilder SetBits(int value)
+        {
+            return new IndexOptionsBuilder().SetBits(value);
+        }
+
         /// <summary>
         /// Sets the bucket size for geospatial haystack indexes.
         /// </summary>
@@ -183,6 +193,17 @@ public IndexOptionsBuilder SetBackground(bool value)
             return this;
         }
 
+        /// <summary>
+        /// Sets the location precision bits.
+        /// </summary>
+        /// <param name="value">The value.</param>
+        /// <returns>The builder (so method calls can be chained).</returns>
+        public IndexOptionsBuilder SetBits(int value)
+        {
+            _document["bits"] = value;
+            return this;
+        }
+
         /// <summary>
         /// Sets the bucket size for geospatial haystack indexes.
         /// </summary>
@@ -352,6 +373,16 @@ public static IndexOptionsBuilder<TDocument> SetBackground(bool value)
             return new IndexOptionsBuilder<TDocument>().SetBackground(value);
         }
 
+        /// <summary>
+        /// Sets the location precision bits.
+        /// </summary>
+        /// <param name="value">The value.</param>
+        /// <returns>The builder (so method calls can be chained).</returns>
+        public static IndexOptionsBuilder<TDocument> SetBits(int value)
+        {
+            return new IndexOptionsBuilder<TDocument>().SetBits(value);
+        }
+
         /// <summary>
         /// Sets the bucket size for geospatial haystack indexes.
         /// </summary>
@@ -493,6 +524,17 @@ public IndexOptionsBuilder<TDocument> SetBackground(bool value)
             return this;
         }
 
+        /// <summary>
+        /// Sets the location precision bits.
+        /// </summary>
+        /// <param name="value">The value.</param>
+        /// <returns>The builder (so method calls can be chained).</returns>
+        public IndexOptionsBuilder<TDocument> SetBits(int value)
+        {
+            _indexOptionsBuilder.SetBits(value);
+            return this;
+        }
+
         /// <summary>
         /// Sets the bucket size for geospatial haystack indexes.
         /// </summary>

MongoDB.DriverUnitTests/Builders/IndexOptionsBuilderTests.cs

@@ -31,6 +31,14 @@ public void TestBackground()
             Assert.AreEqual(expected, options.ToJson());
         }
 
+        [Test]
+        public void TestBits()
+        {
+            var options = IndexOptions.SetBits(32);
+            string expected = "{ \"bits\" : 32 }";
+            Assert.AreEqual(expected, options.ToJson());
+        }
+
         [Test]
         public void TestDropDups()
         {

MongoDB.DriverUnitTests/Builders/IndexOptionsBuilderTypedTests.cs

@@ -39,6 +39,14 @@ public void TestBackground()
             Assert.AreEqual(expected, options.ToJson());
         }
 
+        [Test]
+        public void TestBits()
+        {
+            var options = IndexOptions<TestClass>.SetBits(32);
+            string expected = "{ \"bits\" : 32 }";
+            Assert.AreEqual(expected, options.ToJson());
+        }
+
         [Test]
         public void TestDropDups()
         {