1 //===-- PredicateTest.cpp -------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "lldb/Utility/Predicate.h"
10 #include "gtest/gtest.h"
11 #include <thread>
12 
13 using namespace lldb_private;
14 
15 TEST(Predicate, WaitForValueEqualTo) {
16   Predicate<int> P(0);
17   EXPECT_TRUE(P.WaitForValueEqualTo(0));
18   EXPECT_FALSE(P.WaitForValueEqualTo(1, std::chrono::milliseconds(10)));
19 
20   std::thread Setter([&P] {
21     std::this_thread::sleep_for(std::chrono::milliseconds(100));
22     P.SetValue(1, eBroadcastAlways);
23   });
24   EXPECT_TRUE(P.WaitForValueEqualTo(1));
25   Setter.join();
26 }
27 
28 TEST(Predicate, WaitForValueNotEqualTo) {
29   Predicate<int> P(0);
30   EXPECT_EQ(0, P.WaitForValueNotEqualTo(1));
31   EXPECT_EQ(llvm::None,
32             P.WaitForValueNotEqualTo(0, std::chrono::milliseconds(10)));
33 }
34