03c17a0c87
1. Move TaskPool into the namespace lldb_private. 2. Add missing std::move in TaskPoolImpl::Worker. 3. std::thread::hardware_concurrency may return 0, handle this case correctly. Differential revision: https://reviews.llvm.org/D40587 Test plan: make check-all llvm-svn: 319492
46 lines
1015 B
C++
46 lines
1015 B
C++
#include "gtest/gtest.h"
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#include "lldb/Host/TaskPool.h"
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using namespace lldb_private;
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TEST(TaskPoolTest, AddTask) {
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auto fn = [](int x) { return x * x + 1; };
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auto f1 = TaskPool::AddTask(fn, 1);
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auto f2 = TaskPool::AddTask(fn, 2);
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auto f3 = TaskPool::AddTask(fn, 3);
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auto f4 = TaskPool::AddTask(fn, 4);
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ASSERT_EQ(10, f3.get());
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ASSERT_EQ(2, f1.get());
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ASSERT_EQ(17, f4.get());
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ASSERT_EQ(5, f2.get());
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}
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TEST(TaskPoolTest, RunTasks) {
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std::vector<int> r(4);
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auto fn = [](int x, int &y) { y = x * x + 1; };
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TaskPool::RunTasks([fn, &r]() { fn(1, r[0]); }, [fn, &r]() { fn(2, r[1]); },
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[fn, &r]() { fn(3, r[2]); }, [fn, &r]() { fn(4, r[3]); });
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ASSERT_EQ(2, r[0]);
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ASSERT_EQ(5, r[1]);
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ASSERT_EQ(10, r[2]);
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ASSERT_EQ(17, r[3]);
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}
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TEST(TaskPoolTest, TaskMap) {
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int data[4];
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auto fn = [&data](int x) { data[x] = x * x; };
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TaskMapOverInt(0, 4, fn);
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ASSERT_EQ(data[0], 0);
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ASSERT_EQ(data[1], 1);
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ASSERT_EQ(data[2], 4);
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ASSERT_EQ(data[3], 9);
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}
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