mbed demo / Mbed OS Blinky_Tests

Tests for simple blinky library.

Dependencies:   Blinky

Fork of Blinky_Tests by Sarah Marsh

TESTS/Blinky/5_Blinks/main.cpp@7:cb3da0486f3c, 2016-11-09 (annotated)

Committer:
mbed_demo
Date:
Wed Nov 09 17:49:45 2016 +0000
Revision:
7:cb3da0486f3c
Parent:
5:4f1e6b065e6b 
Comment update;

Who changed what in which revision?

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sarahmarshy 0:0d5d376157a0 1 #include "Blinky.h"
sarahmarshy 0:0d5d376157a0 2 #include "mbed.h"
sarahmarshy 0:0d5d376157a0 3 #include "greentea-client/test_env.h"
sarahmarshy 0:0d5d376157a0 4 #include "unity.h"
sarahmarshy 0:0d5d376157a0 5 #include "utest.h"
sarahmarshy 0:0d5d376157a0 6 #include "rtos.h"
sarahmarshy 0:0d5d376157a0 7
sarahmarshy 0:0d5d376157a0 8 using namespace utest::v1;
sarahmarshy 0:0d5d376157a0 9
sarahmarshy 0:0d5d376157a0 10 //All tests will blink the LED 5 times
sarahmarshy 0:0d5d376157a0 11 const int expected_blinks = 5;
sarahmarshy 0:0d5d376157a0 12
sarahmarshy 0:0d5d376157a0 13 //Generic blink test
sarahmarshy 0:0d5d376157a0 14 //interval => the the amount of time between blinks
sarahmarshy 0:0d5d376157a0 15 //led => PinName of LED to blink
mbed_demo 2:a6755ef75598 16 void test_blinks(PinName led, int interval){
sarahmarshy 0:0d5d376157a0 17 //Set an appropriate wait time to measure exactly expected_blinks
sarahmarshy 0:0d5d376157a0 18 //with the given interval
mbed_demo 5:4f1e6b065e6b 19 float wait_time = interval*(2*expected_blinks-1);
sarahmarshy 0:0d5d376157a0 20 //Create Blinky
sarahmarshy 0:0d5d376157a0 21 Blinky blinker(led, interval);
sarahmarshy 0:0d5d376157a0 22 //start blinky
sarahmarshy 0:0d5d376157a0 23 blinker.start();
sarahmarshy 0:0d5d376157a0 24 //Wait the appropriate amount of time for expected_blinks
sarahmarshy 0:0d5d376157a0 25 Thread::wait(wait_time);
sarahmarshy 0:0d5d376157a0 26 blinker.stop();
mbed_demo 4:09af3b2d723e 27
mbed_demo 4:09af3b2d723e 28 float measured_blinks = blinker.times_blinked();
mbed_demo 2:a6755ef75598 29 //Only assert if failure
mbed_demo 4:09af3b2d723e 30 TEST_ASSERT(measured_blinks == (float)expected_blinks);
sarahmarshy 0:0d5d376157a0 31 }
sarahmarshy 0:0d5d376157a0 32
sarahmarshy 0:0d5d376157a0 33 void blink_500(){
sarahmarshy 0:0d5d376157a0 34 //Blinky with a 500 ms interval between blinks
mbed_demo 2:a6755ef75598 35 test_blinks(LED1, 500);
sarahmarshy 0:0d5d376157a0 36 }
sarahmarshy 0:0d5d376157a0 37 void blink_1000(){
sarahmarshy 0:0d5d376157a0 38 //Blinky with a 1000 ms interval between blinks
mbed_demo 2:a6755ef75598 39 test_blinks(LED1, 1000);
sarahmarshy 0:0d5d376157a0 40 }
sarahmarshy 0:0d5d376157a0 41
sarahmarshy 0:0d5d376157a0 42 utest::v1::status_t test_setup(const size_t number_of_cases) {
sarahmarshy 0:0d5d376157a0 43 // Setup Greentea using a reasonable timeout in seconds
sarahmarshy 0:0d5d376157a0 44 GREENTEA_SETUP(40, "default_auto");
sarahmarshy 0:0d5d376157a0 45 return verbose_test_setup_handler(number_of_cases);
sarahmarshy 0:0d5d376157a0 46 }
sarahmarshy 0:0d5d376157a0 47
sarahmarshy 0:0d5d376157a0 48 // Test cases
sarahmarshy 0:0d5d376157a0 49 Case cases[] = {
sarahmarshy 0:0d5d376157a0 50 Case("Testing 500 ms interval", blink_500),
sarahmarshy 0:0d5d376157a0 51 Case("Testing 1000 ms interval", blink_1000),
sarahmarshy 0:0d5d376157a0 52 };
sarahmarshy 0:0d5d376157a0 53
sarahmarshy 0:0d5d376157a0 54 Specification specification(test_setup, cases);
sarahmarshy 0:0d5d376157a0 55
sarahmarshy 0:0d5d376157a0 56 // Entry point into the tests
sarahmarshy 0:0d5d376157a0 57 int main() {
sarahmarshy 0:0d5d376157a0 58 return !Harness::run(specification);
sarahmarshy 0:0d5d376157a0 59 }