1 files changed, 22 insertions, 0 deletions
diff --git a/test/xray/TestCases/Posix/fixedsize-logging.cc b/test/xray/TestCases/Posix/fixedsize-logging.cc
new file mode 100644
index 000000000000..a2a41ce60d6e
--- /dev/null
+++ b/test/xray/TestCases/Posix/fixedsize-logging.cc
@@ -0,0 +1,22 @@
+// Check to make sure that we have a log file with a fixed-size.
+
+// RUN: %clangxx_xray -std=c++11 %s -o %t
+// RUN: XRAY_OPTIONS="patch_premain=true xray_naive_log=true verbosity=1 xray_logfile_base=fixedsize-logging-" %run %t 2>&1 | FileCheck %s
+//
+// After all that, clean up the output xray log.
+//
+// RUN: rm fixedsize-logging-*
+
+// UNSUPPORTED: target-is-mips64,target-is-mips64el
+
+#include <cstdio>
+
+[[clang::xray_always_instrument]] void foo() {
+  printf("foo() is always instrumented!");
+}
+
+int main() {
+  // CHECK: XRay: Log file in 'fixedsize-logging-{{.*}}'
+  foo();
+  // CHECK: foo() is always instrumented!
+}