1 files changed, 66 insertions, 0 deletions
diff --git a/libcxx/test/std/thread/thread.condition/thread.condition.condvarany/wait_pred.pass.cpp b/libcxx/test/std/thread/thread.condition/thread.condition.condvarany/wait_pred.pass.cpp
new file mode 100644
index 00000000000..921ad69f145
--- /dev/null
+++ b/libcxx/test/std/thread/thread.condition/thread.condition.condvarany/wait_pred.pass.cpp
@@ -0,0 +1,66 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// UNSUPPORTED: libcpp-has-no-threads
+
+// <condition_variable>
+
+// class condition_variable_any;
+
+// template <class Lock, class Predicate>
+//   void wait(Lock& lock, Predicate pred);
+
+#include <condition_variable>
+#include <mutex>
+#include <thread>
+#include <functional>
+#include <cassert>
+
+std::condition_variable_any cv;
+
+typedef std::timed_mutex L0;
+typedef std::unique_lock<L0> L1;
+
+L0 m0;
+
+int test1 = 0;
+int test2 = 0;
+
+class Pred
+{
+    int& i_;
+public:
+    explicit Pred(int& i) : i_(i) {}
+
+    bool operator()() {return i_ != 0;}
+};
+
+void f()
+{
+    L1 lk(m0);
+    assert(test2 == 0);
+    test1 = 1;
+    cv.notify_one();
+    cv.wait(lk, Pred(test2));
+    assert(test2 != 0);
+}
+
+int main()
+{
+    L1 lk(m0);
+    std::thread t(f);
+    assert(test1 == 0);
+    while (test1 == 0)
+        cv.wait(lk);
+    assert(test1 != 0);
+    test2 = 1;
+    lk.unlock();
+    cv.notify_one();
+    t.join();
+}