From 4bb5733cdca62350c900ce094e1cbbaae59f2246 Mon Sep 17 00:00:00 2001 From: Fred Sundvik Date: Sat, 20 Feb 2016 23:40:52 +0200 Subject: Updates to triple buffer --- serial_link/tests/triple_buffered_object_tests.c | 48 +++++++++++++++++++++--- 1 file changed, 42 insertions(+), 6 deletions(-) (limited to 'serial_link/tests/triple_buffered_object_tests.c') diff --git a/serial_link/tests/triple_buffered_object_tests.c b/serial_link/tests/triple_buffered_object_tests.c index 66dcefa7f3..bf0e3ca67a 100644 --- a/serial_link/tests/triple_buffered_object_tests.c +++ b/serial_link/tests/triple_buffered_object_tests.c @@ -25,20 +25,56 @@ SOFTWARE. #include #include "protocol/triple_buffered_object.c" -Describe(TripleBufferedObject); -BeforeEach(TripleBufferedObject) {} -AfterEach(TripleBufferedObject) {} - typedef struct { uint8_t state; uint32_t buffer[3]; }test_object_t; -Ensure(TripleBufferedObject, writes_and_and_reads_object) { - test_object_t test_object; +test_object_t test_object; + +Describe(TripleBufferedObject); +BeforeEach(TripleBufferedObject) { + triple_buffer_init((triple_buffer_object_t*)&test_object); +} +AfterEach(TripleBufferedObject) {} + + +Ensure(TripleBufferedObject, writes_and_reads_object) { + uint32_t src = 0x3456ABCC; + uint32_t dst; + triple_buffer_write(4, (triple_buffer_object_t*)&test_object, &src); + triple_buffer_read(4, (triple_buffer_object_t*)&test_object, &dst); + assert_that(dst, is_equal_to(src)); +} + +Ensure(TripleBufferedObject, writes_and_reads_object_decomposed) { + uint32_t src = 0x3456ABCC; + uint32_t dst; + triple_buffer_write(4, (triple_buffer_object_t*)&test_object, &src); + triple_buffer_begin_read(4, (triple_buffer_object_t*)&test_object); + triple_buffer_actual_read(4, (triple_buffer_object_t*)&test_object, &dst); + triple_buffer_end_read(4, (triple_buffer_object_t*)&test_object); + assert_that(dst, is_equal_to(src)); +} + +Ensure(TripleBufferedObject, writes_twice_and_reads_object) { uint32_t src = 0x3456ABCC; uint32_t dst; triple_buffer_write(4, (triple_buffer_object_t*)&test_object, &src); + src = 0x44778899; + triple_buffer_write(4, (triple_buffer_object_t*)&test_object, &src); triple_buffer_read(4, (triple_buffer_object_t*)&test_object, &dst); assert_that(dst, is_equal_to(src)); } + +Ensure(TripleBufferedObject, performs_another_write_in_the_middle_of_read) { + uint32_t src = 1; + uint32_t dst; + triple_buffer_write(4, (triple_buffer_object_t*)&test_object, &src); + src = 2; + triple_buffer_begin_read(4, (triple_buffer_object_t*)&test_object); + triple_buffer_write(4, (triple_buffer_object_t*)&test_object, &src); + triple_buffer_actual_read(4, (triple_buffer_object_t*)&test_object, &dst); + triple_buffer_end_read(4, (triple_buffer_object_t*)&test_object); + assert_that(dst, is_equal_to(1)); +} -- cgit v1.2.3