[libFuzzer] add a flag -max_total_time

llvm-svn: 249181
diff --git a/llvm/lib/Fuzzer/test/fuzzer.test b/llvm/lib/Fuzzer/test/fuzzer.test
index 29bd807..046c377 100644
--- a/llvm/lib/Fuzzer/test/fuzzer.test
+++ b/llvm/lib/Fuzzer/test/fuzzer.test
@@ -7,6 +7,9 @@
 InfiniteTest: ALARM: working on the last Unit for
 InfiniteTest: Test unit written to timeout-
 
+RUN: LLVMFuzzer-SimpleCmpTest -max_total_time=1 2>&1 | FileCheck %s --check-prefix=MaxTotalTime
+MaxTotalTime: Done {{.*}} runs in {{.}} second(s)
+
 RUN: not LLVMFuzzer-TimeoutTest -timeout=5 2>&1 | FileCheck %s --check-prefix=TimeoutTest
 TimeoutTest: ALARM: working on the last Unit for
 TimeoutTest: Test unit written to timeout-