+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "test/librbd/test_fixture.h"
-#include "test/librbd/test_support.h"
-#include "librbd/BlockGuard.h"
-
-namespace librbd {
-
-class TestIOBlockGuard : public TestFixture {
-public:
- static uint32_t s_index;
-
- struct Operation {
- uint32_t index;
- Operation() : index(++s_index) {
- }
- Operation(Operation &&rhs) : index(rhs.index) {
- }
- Operation(const Operation &) = delete;
-
- Operation& operator=(Operation &&rhs) {
- index = rhs.index;
- return *this;
- }
-
- bool operator==(const Operation &rhs) const {
- return index == rhs.index;
- }
- };
-
- typedef std::list<Operation> Operations;
-
- typedef BlockGuard<Operation> OpBlockGuard;
-
- void SetUp() override {
- TestFixture::SetUp();
- m_cct = reinterpret_cast<CephContext*>(m_ioctx.cct());
- }
-
- CephContext *m_cct;
-};
-
-TEST_F(TestIOBlockGuard, NonDetainedOps) {
- OpBlockGuard op_block_guard(m_cct);
-
- Operation op1;
- BlockGuardCell *cell1;
- ASSERT_EQ(0, op_block_guard.detain({1, 3}, &op1, &cell1));
-
- Operation op2;
- BlockGuardCell *cell2;
- ASSERT_EQ(0, op_block_guard.detain({0, 1}, &op2, &cell2));
-
- Operation op3;
- BlockGuardCell *cell3;
- ASSERT_EQ(0, op_block_guard.detain({3, 6}, &op3, &cell3));
-
- Operations released_ops;
- op_block_guard.release(cell1, &released_ops);
- ASSERT_TRUE(released_ops.empty());
-
- op_block_guard.release(cell2, &released_ops);
- ASSERT_TRUE(released_ops.empty());
-
- op_block_guard.release(cell3, &released_ops);
- ASSERT_TRUE(released_ops.empty());
-}
-
-TEST_F(TestIOBlockGuard, DetainedOps) {
- OpBlockGuard op_block_guard(m_cct);
-
- Operation op1;
- BlockGuardCell *cell1;
- ASSERT_EQ(0, op_block_guard.detain({1, 3}, &op1, &cell1));
-
- Operation op2;
- BlockGuardCell *cell2;
- ASSERT_EQ(1, op_block_guard.detain({2, 6}, &op2, &cell2));
- ASSERT_EQ(nullptr, cell2);
-
- Operation op3;
- BlockGuardCell *cell3;
- ASSERT_EQ(2, op_block_guard.detain({0, 2}, &op3, &cell3));
- ASSERT_EQ(nullptr, cell3);
-
- Operations expected_ops;
- expected_ops.push_back(std::move(op2));
- expected_ops.push_back(std::move(op3));
- Operations released_ops;
- op_block_guard.release(cell1, &released_ops);
- ASSERT_EQ(expected_ops, released_ops);
-}
-
-uint32_t TestIOBlockGuard::s_index = 0;
-
-} // namespace librbd
-