| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <async/wait_with_timeout.h> |
| |
| #include <unittest/unittest.h> |
| |
| #include "async_stub.h" |
| |
| namespace { |
| |
| class MockAsync : public AsyncStub { |
| public: |
| async_wait_t* last_begin_wait = nullptr; |
| async_wait_t* last_cancel_wait = nullptr; |
| async_task_t* last_post_task = nullptr; |
| async_task_t* last_cancel_task = nullptr; |
| zx_status_t next_begin_wait_status = ZX_OK; |
| zx_status_t next_cancel_wait_status = ZX_OK; |
| zx_status_t next_post_task_status = ZX_OK; |
| zx_status_t next_cancel_task_status = ZX_OK; |
| |
| zx_status_t BeginWait(async_wait_t* wait) override { |
| last_begin_wait = wait; |
| return next_begin_wait_status; |
| } |
| |
| zx_status_t CancelWait(async_wait_t* wait) override { |
| last_cancel_wait = wait; |
| return next_cancel_wait_status; |
| } |
| |
| zx_status_t PostTask(async_task_t* task) override { |
| last_post_task = task; |
| return next_post_task_status; |
| } |
| |
| zx_status_t CancelTask(async_task_t* task) override { |
| last_cancel_task = task; |
| return next_cancel_task_status; |
| } |
| }; |
| |
| struct Handler { |
| Handler(async::WaitWithTimeout* wait) { |
| wait->set_handler([this, wait](async_t* async, zx_status_t status, |
| const zx_packet_signal_t* signal) { |
| handler_ran = true; |
| last_status = status; |
| last_signal = signal; |
| wait->set_deadline(wait->deadline() + 100u); |
| return status == ZX_OK ? ASYNC_WAIT_AGAIN : ASYNC_WAIT_FINISHED; |
| }); |
| } |
| |
| bool handler_ran = false; |
| zx_status_t last_status = ZX_ERR_INTERNAL; |
| const zx_packet_signal_t* last_signal = nullptr; |
| }; |
| |
| bool timeout_test() { |
| const zx_handle_t dummy_handle = 1; |
| const zx_signals_t dummy_trigger = ZX_USER_SIGNAL_0; |
| const zx_packet_signal_t dummy_signal{ |
| .trigger = dummy_trigger, |
| .observed = ZX_USER_SIGNAL_0 | ZX_USER_SIGNAL_1, |
| .count = 0u, |
| .reserved0 = 0u, |
| .reserved1 = 0u}; |
| const zx_time_t dummy_deadline = 100u; |
| const uint32_t dummy_flags = ASYNC_FLAG_HANDLE_SHUTDOWN; |
| |
| BEGIN_TEST; |
| |
| { |
| async::WaitWithTimeout default_wait; |
| EXPECT_EQ(ZX_HANDLE_INVALID, default_wait.object(), "default object"); |
| EXPECT_EQ(ZX_SIGNAL_NONE, default_wait.trigger(), "default trigger"); |
| EXPECT_EQ(ZX_TIME_INFINITE, default_wait.deadline(), "default deadline"); |
| EXPECT_EQ(0u, default_wait.flags(), "default flags"); |
| |
| default_wait.set_object(dummy_handle); |
| EXPECT_EQ(dummy_handle, default_wait.object(), "set object"); |
| default_wait.set_trigger(dummy_trigger); |
| EXPECT_EQ(dummy_trigger, default_wait.trigger(), "set trigger"); |
| default_wait.set_deadline(dummy_deadline); |
| EXPECT_EQ(dummy_deadline, default_wait.deadline(), "set deadline"); |
| default_wait.set_flags(dummy_flags); |
| EXPECT_EQ(dummy_flags, default_wait.flags(), "set flags"); |
| |
| EXPECT_FALSE(!!default_wait.handler(), "handler"); |
| |
| // Begin waiting without timeout (will be canceled immediately). |
| MockAsync async; |
| default_wait.set_deadline(ZX_TIME_INFINITE); |
| EXPECT_EQ(ZX_OK, default_wait.Begin(&async), "begin, valid args"); |
| EXPECT_NONNULL(async.last_begin_wait, "begin wait called"); |
| EXPECT_NULL(async.last_post_task, "post task not called"); |
| EXPECT_EQ(dummy_handle, async.last_begin_wait->object, "handle"); |
| EXPECT_EQ(dummy_trigger, async.last_begin_wait->trigger, "trigger"); |
| EXPECT_EQ(dummy_flags, async.last_begin_wait->flags, "flags"); |
| async.last_begin_wait = nullptr; |
| |
| // Cancel waiting without timeout. |
| EXPECT_EQ(ZX_OK, default_wait.Cancel(&async), "cancel, valid args"); |
| EXPECT_NONNULL(async.last_cancel_wait, "cancel wait called"); |
| EXPECT_NULL(async.last_cancel_task, "cancel task not called"); |
| async.last_cancel_wait = nullptr; |
| } |
| |
| { |
| async::WaitWithTimeout explicit_wait(dummy_handle, dummy_trigger, dummy_deadline, dummy_flags); |
| EXPECT_EQ(dummy_handle, explicit_wait.object(), "explicit object"); |
| EXPECT_EQ(dummy_trigger, explicit_wait.trigger(), "explicit trigger"); |
| EXPECT_EQ(dummy_deadline, explicit_wait.deadline(), "explicit deadline"); |
| EXPECT_EQ(dummy_flags, explicit_wait.flags(), "explicit flags"); |
| |
| EXPECT_FALSE(!!explicit_wait.handler(), "handler"); |
| Handler handler(&explicit_wait); |
| EXPECT_TRUE(!!explicit_wait.handler()); |
| |
| // Begin waiting without timeout. |
| MockAsync async; |
| EXPECT_EQ(ZX_OK, explicit_wait.Begin(&async), "begin, valid args"); |
| EXPECT_NONNULL(async.last_begin_wait, "begin wait called"); |
| EXPECT_NONNULL(async.last_post_task, "post task called"); |
| EXPECT_EQ(dummy_handle, async.last_begin_wait->object, "handle"); |
| EXPECT_EQ(dummy_trigger, async.last_begin_wait->trigger, "trigger"); |
| EXPECT_EQ(dummy_flags, async.last_begin_wait->flags, "flags"); |
| EXPECT_EQ(dummy_deadline, async.last_post_task->deadline, "deadline"); |
| async_wait_t* wait_context = async.last_begin_wait; |
| async_task_t* task_context = async.last_post_task; |
| async.last_begin_wait = nullptr; |
| async.last_post_task = nullptr; |
| |
| // Handle wait. |
| EXPECT_EQ(ASYNC_WAIT_AGAIN, wait_context->handler(&async, wait_context, ZX_OK, &dummy_signal), |
| "invoke wait handler"); |
| EXPECT_TRUE(handler.handler_ran, "handler ran"); |
| EXPECT_EQ(ZX_OK, handler.last_status, "status"); |
| EXPECT_EQ(&dummy_signal, handler.last_signal, "signal"); |
| EXPECT_NONNULL(async.last_cancel_task, "cancel task called"); |
| EXPECT_NONNULL(async.last_post_task, "post task called"); |
| EXPECT_EQ(dummy_deadline + 100u, async.last_post_task->deadline, "deadline"); |
| handler.handler_ran = false; |
| async.last_cancel_task = nullptr; |
| async.last_post_task = nullptr; |
| |
| // Handle timeout. |
| EXPECT_EQ(ASYNC_TASK_FINISHED, task_context->handler(&async, task_context, ZX_OK), |
| "invoke timeout handler"); |
| EXPECT_TRUE(handler.handler_ran, "handler ran"); |
| EXPECT_EQ(ZX_ERR_TIMED_OUT, handler.last_status, "status"); |
| EXPECT_NULL(handler.last_signal, "signal"); |
| handler.handler_ran = false; |
| |
| // Cancel waiting with timeout. |
| EXPECT_EQ(ZX_OK, explicit_wait.Cancel(&async), "cancel, valid args"); |
| EXPECT_NONNULL(async.last_cancel_wait, "cancel wait called"); |
| EXPECT_NONNULL(async.last_cancel_task, "cancel task called"); |
| } |
| |
| END_TEST; |
| } |
| |
| bool begin_wait_cleans_up() { |
| const zx_handle_t dummy_handle = 1; |
| const zx_signals_t dummy_trigger = ZX_USER_SIGNAL_0; |
| const zx_time_t dummy_deadline = 100u; |
| const uint32_t dummy_flags = ASYNC_FLAG_HANDLE_SHUTDOWN; |
| |
| BEGIN_TEST; |
| |
| async::WaitWithTimeout wait(dummy_handle, dummy_trigger, dummy_deadline, dummy_flags); |
| |
| // If an error occurs while setting the timeout, cancel the wait. |
| MockAsync async; |
| async.next_post_task_status = ZX_ERR_BAD_STATE; |
| EXPECT_EQ(ZX_ERR_BAD_STATE, wait.Begin(&async), "begin, will fail to post task"); |
| EXPECT_NONNULL(async.last_begin_wait, "begin wait called"); |
| EXPECT_NONNULL(async.last_post_task, "post task called"); |
| EXPECT_NONNULL(async.last_cancel_wait, "cancel wait called"); |
| |
| END_TEST; |
| } |
| |
| } // namespace |
| |
| BEGIN_TEST_CASE(wait_with_timeout_tests) |
| RUN_TEST(timeout_test) |
| RUN_TEST(begin_wait_cleans_up) |
| END_TEST_CASE(wait_with_timeout_tests) |