From d7122b8d3c48eab05d425c99fee53cde07feafe4 Mon Sep 17 00:00:00 2001
From: Nick Kledzik <kledzik@apple.com>
Date: Tue, 31 Jul 2012 22:18:15 +0000
Subject: Suppress stderr noise when test case runs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161085 91177308-0d34-0410-b5e6-96231b3b80d8
---
 unittests/Support/YAMLParserTest.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'unittests')

diff --git a/unittests/Support/YAMLParserTest.cpp b/unittests/Support/YAMLParserTest.cpp
index e88427a..480a573 100644
--- a/unittests/Support/YAMLParserTest.cpp
+++ b/unittests/Support/YAMLParserTest.cpp
@@ -16,11 +16,17 @@
 
 namespace llvm {
 
+static void SuppressDiagnosticsOutput(const SMDiagnostic &, void *) {
+  // Prevent SourceMgr from writing errors to stderr 
+  // to reduce noise in unit test runs.
+}
+
 // Checks that the given input gives a parse error. Makes sure that an error
 // text is available and the parse fails.
 static void ExpectParseError(StringRef Message, StringRef Input) {
   SourceMgr SM;
   yaml::Stream Stream(Input, SM);
+  SM.setDiagHandler(SuppressDiagnosticsOutput);
   EXPECT_FALSE(Stream.validate()) << Message << ": " << Input;
   EXPECT_TRUE(Stream.failed()) << Message << ": " << Input;
 }
-- 
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