| //===--- Concurrent.cpp - Concurrent data structure tests -----------------===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "swift/Runtime/Concurrent.h" |
| #include "gtest/gtest.h" |
| |
| using namespace swift; |
| |
| TEST(ConcurrentReadableArrayTest, SingleThreaded) { |
| ConcurrentReadableArray<size_t> array; |
| |
| auto add = [&](size_t limit) { |
| for (size_t i = array.snapshot().count(); i < limit; i++) |
| array.push_back(i); |
| }; |
| auto check = [&]{ |
| size_t i = 0; |
| for (auto element : array.snapshot()) { |
| ASSERT_EQ(element, i); |
| i++; |
| } |
| }; |
| |
| check(); |
| add(1); |
| check(); |
| add(16); |
| check(); |
| add(100); |
| check(); |
| add(1000); |
| check(); |
| add(1000000); |
| check(); |
| } |