1 //===-- PredicateTest.cpp ---------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/Utility/Predicate.h"
11 #include "gtest/gtest.h"
12 #include <thread>
13 
14 using namespace lldb_private;
15 
16 TEST(Predicate, WaitForValueEqualTo) {
17   Predicate<int> P(0);
18   EXPECT_TRUE(P.WaitForValueEqualTo(0));
19   EXPECT_FALSE(P.WaitForValueEqualTo(1, std::chrono::milliseconds(10)));
20 
21   std::thread Setter([&P] {
22     std::this_thread::sleep_for(std::chrono::milliseconds(100));
23     P.SetValue(1, eBroadcastAlways);
24   });
25   EXPECT_TRUE(P.WaitForValueEqualTo(1));
26   Setter.join();
27 }
28 
29 TEST(Predicate, WaitForValueNotEqualTo) {
30   Predicate<int> P(0);
31   EXPECT_EQ(0, P.WaitForValueNotEqualTo(1));
32   EXPECT_EQ(llvm::None,
33             P.WaitForValueNotEqualTo(0, std::chrono::milliseconds(10)));
34 }
35