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diff --git a/src/objective-c/tests/LocalClearTextTests.m b/src/objective-c/tests/LocalClearTextTests.m
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+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#import <UIKit/UIKit.h>
+#import <XCTest/XCTest.h>
+
+#import <gRPC/GRPCCall.h>
+#import <gRPC/GRPCMethodName.h>
+#import <gRPC/GRXWriter+Immediate.h>
+#import <gRPC/GRXWriteable.h>
+#import <Route_guide/RouteGuide.pbobjc.h>
+#import <Route_guide/RouteGuide.pbrpc.h>
+
+// These tests require the gRPC-Java "RouteGuide" sample server to be running locally. To do so,
+// install Gradle by following the instructions here: https://docs.gradle.org/current/userguide/installation.html
+// And use it to run the server by following the instructions here: https://github.com/grpc/grpc-java/tree/master/examples
+
+@interface LocalClearTextTests : XCTestCase
+@end
+
+@implementation LocalClearTextTests
+
+- (void)testConnectionToLocalServer {
+  __weak XCTestExpectation *expectation = [self expectationWithDescription:@"Server reachable."];
+
+  // This method isn't implemented by the local server.
+  GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:@"grpc.testing"
+                                                         interface:@"TestService"
+                                                            method:@"EmptyCall"];
+
+  id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[NSData data]];
+
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:@"http://127.0.0.1:8980"
+                                           method:method
+                                   requestsWriter:requestsWriter];
+
+  id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
+    XCTFail(@"Received unexpected response: %@", value);
+  } completionHandler:^(NSError *errorOrNil) {
+    XCTAssertNotNil(errorOrNil, @"Finished without error!");
+    XCTAssertEqual(errorOrNil.code, 12, @"Finished with unexpected error: %@", errorOrNil);
+    [expectation fulfill];
+  }];
+
+  [call startWithWriteable:responsesWriteable];
+
+  [self waitForExpectationsWithTimeout:2.0 handler:nil];
+}
+
+- (void)testEmptyRPC {
+  __weak XCTestExpectation *response = [self expectationWithDescription:@"Empty response received."];
+  __weak XCTestExpectation *completion = [self expectationWithDescription:@"Empty RPC completed."];
+
+  GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:@"grpc.example.routeguide"
+                                                         interface:@"RouteGuide"
+                                                            method:@"RecordRoute"];
+
+  id<GRXWriter> requestsWriter = [GRXWriter emptyWriter];
+
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:@"http://127.0.0.1:8980"
+                                           method:method
+                                   requestsWriter:requestsWriter];
+
+  id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
+    XCTAssertNotNil(value, @"nil value received as response.");
+    XCTAssertEqual([value length], 0, @"Non-empty response received: %@", value);
+    [response fulfill];
+  } completionHandler:^(NSError *errorOrNil) {
+    XCTAssertNil(errorOrNil, @"Finished with unexpected error: %@", errorOrNil);
+    [completion fulfill];
+  }];
+
+  [call startWithWriteable:responsesWriteable];
+
+  [self waitForExpectationsWithTimeout:2.0 handler:nil];
+}
+
+- (void)testSimpleProtoRPC {
+  __weak XCTestExpectation *response = [self expectationWithDescription:@"Response received."];
+  __weak XCTestExpectation *completion = [self expectationWithDescription:@"RPC completed."];
+
+  GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:@"grpc.example.routeguide"
+                                                         interface:@"RouteGuide"
+                                                            method:@"GetFeature"];
+
+  RGDPoint *point = [RGDPoint message];
+  point.latitude = 28E7;
+  point.longitude = -15E7;
+  id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[point data]];
+
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:@"http://127.0.0.1:8980"
+                                           method:method
+                                   requestsWriter:requestsWriter];
+
+  id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
+    XCTAssertNotNil(value, @"nil value received as response.");
+    RGDFeature *feature = [RGDFeature parseFromData:value error:NULL];
+    XCTAssertEqualObjects(point, feature.location);
+    XCTAssertNotNil(feature.name, @"Response's name is nil.");
+    [response fulfill];
+  } completionHandler:^(NSError *errorOrNil) {
+    XCTAssertNil(errorOrNil, @"Finished with unexpected error: %@", errorOrNil);
+    [completion fulfill];
+  }];
+
+  [call startWithWriteable:responsesWriteable];
+
+  [self waitForExpectationsWithTimeout:2.0 handler:nil];
+}
+
+- (void)testSimpleProtoRPCUsingGeneratedService {
+  __weak XCTestExpectation *completion = [self expectationWithDescription:@"RPC completed."];
+
+  RGDPoint *point = [RGDPoint message];
+  point.latitude = 28E7;
+  point.longitude = -15E7;
+
+  RGDRouteGuide *service = [[RGDRouteGuide alloc] initWithHost:@"http://127.0.0.1:8980"];
+  [service getFeatureWithRequest:point handler:^(RGDFeature *response, NSError *error) {
+    XCTAssertNil(error, @"Finished with unexpected error: %@", error);
+    XCTAssertEqualObjects(point, response.location);
+    XCTAssertNotNil(response.name, @"Response's name is nil.");
+    [completion fulfill];
+  }];
+
+  [self waitForExpectationsWithTimeout:2.0 handler:nil];
+}
+@end