forked from OSchip/llvm-project
52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
//===-- FunctionTests.cpp -------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#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
|