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Add test for ticker suspend and resume 

Unit test the functions ticker_suspend and ticker_resume.
pull/7524/head
Russ Butler 2018-08-04 17:33:09 -05:00
parent 23e6d50000
commit 1bbf43ad38
1 changed files with 80 additions and 0 deletions
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80
TESTS/mbed_hal/ticker/main.cpp
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@ -2268,6 +2268,82 @@ static void test_match_interval_passed_table()
}
}
/**
* Check that suspend and resume work as expected
*
* Check the following
* -time does not change while suspended
* -restricted interface functions are not called
* -scheduling resumes correctly
*/
static void test_suspend_resume()
{
ticker_set_handler(&ticker_stub, NULL);
interface_stub.timestamp = 1000;
us_timestamp_t start = ticker_read_us(&ticker_stub);
TEST_ASSERT_EQUAL(1000, start);
/* Reset call count */
interface_stub.init_call = 0;
interface_stub.read_call = 0;
interface_stub.set_interrupt_call = 0;
/* Suspend the ticker */
ticker_suspend(&ticker_stub);
const timestamp_t suspend_time = queue_stub.present_time;
/* Simulate time passing */
interface_stub.timestamp = 1500;
us_timestamp_t next = ticker_read_us(&ticker_stub);
/* Time should not have passed and no calls to interface should have been made */
TEST_ASSERT_EQUAL(start, next);
TEST_ASSERT_EQUAL(0, interface_stub.init_call);
TEST_ASSERT_EQUAL(0, interface_stub.read_call);
TEST_ASSERT_EQUAL(0, interface_stub.disable_interrupt_call);
TEST_ASSERT_EQUAL(0, interface_stub.clear_interrupt_call);
TEST_ASSERT_EQUAL(0, interface_stub.set_interrupt_call);
TEST_ASSERT_EQUAL(0, interface_stub.fire_interrupt_call);
/* Simulate a reinit (time reset to 0) */
interface_stub.timestamp = 0;
next = ticker_read_us(&ticker_stub);
/* Time should not have passed and no calls to interface should have been made */
TEST_ASSERT_EQUAL(start, next);
TEST_ASSERT_EQUAL(0, interface_stub.init_call);
TEST_ASSERT_EQUAL(0, interface_stub.read_call);
TEST_ASSERT_EQUAL(0, interface_stub.disable_interrupt_call);
TEST_ASSERT_EQUAL(0, interface_stub.clear_interrupt_call);
TEST_ASSERT_EQUAL(0, interface_stub.set_interrupt_call);
TEST_ASSERT_EQUAL(0, interface_stub.fire_interrupt_call);
/* Insert an event in the past and future */
ticker_event_t event_past = { 0 };
const timestamp_t event_past_timestamp = suspend_time - 10;
ticker_insert_event_us(&ticker_stub, &event_past, event_past_timestamp, 0);
ticker_event_t event_future = { 0 };
const timestamp_t event_future_timestamp = suspend_time + 10;
ticker_insert_event_us(&ticker_stub, &event_future, event_future_timestamp, 0);
TEST_ASSERT_EQUAL(0, interface_stub.init_call);
TEST_ASSERT_EQUAL(0, interface_stub.read_call);
TEST_ASSERT_EQUAL(0, interface_stub.disable_interrupt_call);
TEST_ASSERT_EQUAL(0, interface_stub.clear_interrupt_call);
TEST_ASSERT_EQUAL(0, interface_stub.set_interrupt_call);
TEST_ASSERT_EQUAL(0, interface_stub.fire_interrupt_call);
/* Resume and verify everything starts again */
ticker_resume(&ticker_stub);
TEST_ASSERT_EQUAL(suspend_time, queue_stub.present_time);
TEST_ASSERT_EQUAL(1, interface_stub.fire_interrupt_call);
}
static const case_t cases[] = {
MAKE_TEST_CASE("ticker initialization", test_ticker_initialization),
MAKE_TEST_CASE(
@ -2376,6 +2452,10 @@ static const case_t cases[] = {
MAKE_TEST_CASE(
"test_match_interval_passed_table",
test_match_interval_passed_table
),
MAKE_TEST_CASE(
"test_suspend_resume",
test_suspend_resume
)
};