From 54fa62e3db569d6a06e1cd0042619eb3ba81ef41 Mon Sep 17 00:00:00 2001
From: Jorge Canizales <jcanizales@google.com>
Date: Wed, 28 Oct 2015 14:46:23 -0700
Subject: Reject nils in useTestCertsPath:testName:forHost:

---
 src/objective-c/GRPCClient/GRPCCall+Tests.m | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/objective-c/GRPCClient/GRPCCall+Tests.m')

diff --git a/src/objective-c/GRPCClient/GRPCCall+Tests.m b/src/objective-c/GRPCClient/GRPCCall+Tests.m
index bade0b2920..c8e8133703 100644
--- a/src/objective-c/GRPCClient/GRPCCall+Tests.m
+++ b/src/objective-c/GRPCClient/GRPCCall+Tests.m
@@ -40,6 +40,9 @@
 + (void)useTestCertsPath:(NSString *)certsPath
                 testName:(NSString *)testName
                  forHost:(NSString *)host {
+  if (!host || !certsPath || !testName) {
+    [NSException raise:NSInvalidArgumentException format:@"host, path and name must be provided."];
+  }
   GRPCHost *hostConfig = [GRPCHost hostWithAddress:host];
   hostConfig.pathToCertificates = certsPath;
   hostConfig.hostNameOverride = testName;
-- 
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