1 files changed, 51 insertions, 0 deletions
diff --git a/src/objective-c/GRPCClient/private/GRPCChannelPool+Test.h b/src/objective-c/GRPCClient/private/GRPCChannelPool+Test.h
new file mode 100644
index 0000000000..e2c3aee3d9
--- /dev/null
+++ b/src/objective-c/GRPCClient/private/GRPCChannelPool+Test.h
@@ -0,0 +1,51 @@
+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#import "GRPCChannelPool.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+/** Test-only interface for \a GRPCPooledChannel. */
+@interface GRPCPooledChannel (Test)
+
+/**
+ * Initialize a pooled channel with non-default destroy delay for testing purpose.
+ */
+- (nullable instancetype)initWithChannelConfiguration:
+                             (GRPCChannelConfiguration *)channelConfiguration
+                                         destroyDelay:(NSTimeInterval)destroyDelay;
+
+/**
+ * Return the pointer to the raw channel wrapped.
+ */
+@property(atomic, readonly, nullable) GRPCChannel *wrappedChannel;
+
+@end
+
+/** Test-only interface for \a GRPCChannelPool. */
+@interface GRPCChannelPool (Test)
+
+/**
+ * Get an instance of pool isolated from the global shared pool with channels' destroy delay being
+ * \a destroyDelay.
+ */
+- (nullable instancetype)initTestPool;
+
+@end
+
+NS_ASSUME_NONNULL_END