llvm-project/lldb/unittests/Host/TaskPoolTest.cpp

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1015 B
C++

#include "gtest/gtest.h"
#include "lldb/Host/TaskPool.h"
using namespace lldb_private;
TEST(TaskPoolTest, AddTask) {
auto fn = [](int x) { return x * x + 1; };
auto f1 = TaskPool::AddTask(fn, 1);
auto f2 = TaskPool::AddTask(fn, 2);
auto f3 = TaskPool::AddTask(fn, 3);
auto f4 = TaskPool::AddTask(fn, 4);
ASSERT_EQ(10, f3.get());
ASSERT_EQ(2, f1.get());
ASSERT_EQ(17, f4.get());
ASSERT_EQ(5, f2.get());
}
TEST(TaskPoolTest, RunTasks) {
std::vector<int> r(4);
auto fn = [](int x, int &y) { y = x * x + 1; };
TaskPool::RunTasks([fn, &r]() { fn(1, r[0]); }, [fn, &r]() { fn(2, r[1]); },
[fn, &r]() { fn(3, r[2]); }, [fn, &r]() { fn(4, r[3]); });
ASSERT_EQ(2, r[0]);
ASSERT_EQ(5, r[1]);
ASSERT_EQ(10, r[2]);
ASSERT_EQ(17, r[3]);
}
TEST(TaskPoolTest, TaskMap) {
int data[4];
auto fn = [&data](int x) { data[x] = x * x; };
TaskMapOverInt(0, 4, fn);
ASSERT_EQ(data[0], 0);
ASSERT_EQ(data[1], 1);
ASSERT_EQ(data[2], 4);
ASSERT_EQ(data[3], 9);
}