forked from OSchip/llvm-project
53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
//===-- FunctionsTests.cpp ------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "Function.h"
|
|
#include "gmock/gmock.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
namespace clang {
|
|
namespace clangd {
|
|
namespace {
|
|
|
|
TEST(EventTest, Subscriptions) {
|
|
Event<int> E;
|
|
int N = 0;
|
|
{
|
|
Event<int>::Subscription SubA;
|
|
// No subscriptions are active.
|
|
E.broadcast(42);
|
|
EXPECT_EQ(0, N);
|
|
|
|
Event<int>::Subscription SubB = E.observe([&](int) { ++N; });
|
|
// Now one is active.
|
|
E.broadcast(42);
|
|
EXPECT_EQ(1, N);
|
|
|
|
SubA = E.observe([&](int) { ++N; });
|
|
// Both are active.
|
|
EXPECT_EQ(1, N);
|
|
E.broadcast(42);
|
|
EXPECT_EQ(3, N);
|
|
|
|
SubA = std::move(SubB);
|
|
// One is active.
|
|
EXPECT_EQ(3, N);
|
|
E.broadcast(42);
|
|
EXPECT_EQ(4, N);
|
|
}
|
|
// None are active.
|
|
EXPECT_EQ(4, N);
|
|
E.broadcast(42);
|
|
EXPECT_EQ(4, N);
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace clangd
|
|
} // namespace clang
|