|
|
@ -22,53 +22,55 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
|
|
|
SOFTWARE. |
|
|
|
*/ |
|
|
|
|
|
|
|
#include <cgreen/cgreen.h>
|
|
|
|
#include "serial_link/protocol/triple_buffered_object.c"
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
extern "C" { |
|
|
|
#include "serial_link/protocol/triple_buffered_object.h"
|
|
|
|
} |
|
|
|
|
|
|
|
typedef struct { |
|
|
|
struct test_object{ |
|
|
|
uint8_t state; |
|
|
|
uint32_t buffer[3]; |
|
|
|
}test_object_t; |
|
|
|
|
|
|
|
test_object_t test_object; |
|
|
|
}; |
|
|
|
|
|
|
|
Describe(TripleBufferedObject); |
|
|
|
BeforeEach(TripleBufferedObject) { |
|
|
|
triple_buffer_init((triple_buffer_object_t*)&test_object); |
|
|
|
} |
|
|
|
AfterEach(TripleBufferedObject) {} |
|
|
|
test_object test_object; |
|
|
|
|
|
|
|
class TripleBufferedObject : public testing::Test { |
|
|
|
public: |
|
|
|
TripleBufferedObject() { |
|
|
|
triple_buffer_init((triple_buffer_object_t*)&test_object); |
|
|
|
} |
|
|
|
}; |
|
|
|
|
|
|
|
Ensure(TripleBufferedObject, writes_and_reads_object) { |
|
|
|
TEST_F(TripleBufferedObject, writes_and_reads_object) { |
|
|
|
*triple_buffer_begin_write(&test_object) = 0x3456ABCC; |
|
|
|
triple_buffer_end_write(&test_object); |
|
|
|
assert_that(*triple_buffer_read(&test_object), is_equal_to(0x3456ABCC)); |
|
|
|
EXPECT_EQ(*triple_buffer_read(&test_object), 0x3456ABCC); |
|
|
|
} |
|
|
|
|
|
|
|
Ensure(TripleBufferedObject, does_not_read_empty) { |
|
|
|
assert_that(triple_buffer_read(&test_object), is_equal_to(NULL)); |
|
|
|
TEST_F(TripleBufferedObject, does_not_read_empty) { |
|
|
|
EXPECT_EQ(triple_buffer_read(&test_object), nullptr); |
|
|
|
} |
|
|
|
|
|
|
|
Ensure(TripleBufferedObject, writes_twice_and_reads_object) { |
|
|
|
TEST_F(TripleBufferedObject, writes_twice_and_reads_object) { |
|
|
|
*triple_buffer_begin_write(&test_object) = 0x3456ABCC; |
|
|
|
triple_buffer_end_write(&test_object); |
|
|
|
*triple_buffer_begin_write(&test_object) = 0x44778899; |
|
|
|
triple_buffer_end_write(&test_object); |
|
|
|
assert_that(*triple_buffer_read(&test_object), is_equal_to(0x44778899)); |
|
|
|
EXPECT_EQ(*triple_buffer_read(&test_object), 0x44778899); |
|
|
|
} |
|
|
|
|
|
|
|
Ensure(TripleBufferedObject, performs_another_write_in_the_middle_of_read) { |
|
|
|
TEST_F(TripleBufferedObject, performs_another_write_in_the_middle_of_read) { |
|
|
|
*triple_buffer_begin_write(&test_object) = 1; |
|
|
|
triple_buffer_end_write(&test_object); |
|
|
|
uint32_t* read = triple_buffer_read(&test_object); |
|
|
|
*triple_buffer_begin_write(&test_object) = 2; |
|
|
|
triple_buffer_end_write(&test_object); |
|
|
|
assert_that(*read, is_equal_to(1)); |
|
|
|
assert_that(*triple_buffer_read(&test_object), is_equal_to(2)); |
|
|
|
assert_that(triple_buffer_read(&test_object), is_equal_to(NULL)); |
|
|
|
EXPECT_EQ(*read, 1); |
|
|
|
EXPECT_EQ(*triple_buffer_read(&test_object), 2); |
|
|
|
EXPECT_EQ(triple_buffer_read(&test_object), nullptr); |
|
|
|
} |
|
|
|
|
|
|
|
Ensure(TripleBufferedObject, performs_two_writes_in_the_middle_of_read) { |
|
|
|
TEST_F(TripleBufferedObject, performs_two_writes_in_the_middle_of_read) { |
|
|
|
*triple_buffer_begin_write(&test_object) = 1; |
|
|
|
triple_buffer_end_write(&test_object); |
|
|
|
uint32_t* read = triple_buffer_read(&test_object); |
|
|
@ -76,7 +78,7 @@ Ensure(TripleBufferedObject, performs_two_writes_in_the_middle_of_read) { |
|
|
|
triple_buffer_end_write(&test_object); |
|
|
|
*triple_buffer_begin_write(&test_object) = 3; |
|
|
|
triple_buffer_end_write(&test_object); |
|
|
|
assert_that(*read, is_equal_to(1)); |
|
|
|
assert_that(*triple_buffer_read(&test_object), is_equal_to(3)); |
|
|
|
assert_that(triple_buffer_read(&test_object), is_equal_to(NULL)); |
|
|
|
EXPECT_EQ(*read, 1); |
|
|
|
EXPECT_EQ(*triple_buffer_read(&test_object), 3); |
|
|
|
EXPECT_EQ(triple_buffer_read(&test_object), nullptr); |
|
|
|
} |