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-rw-r--r--tests/8byte_tests.c18
-rw-r--r--tests/bitfield_tests.c23
-rw-r--r--tests/write_tests.c76
3 files changed, 96 insertions, 21 deletions
diff --git a/tests/8byte_tests.c b/tests/8byte_tests.c
index 51e927e4..258b8805 100644
--- a/tests/8byte_tests.c
+++ b/tests/8byte_tests.c
@@ -103,23 +103,23 @@ START_TEST (test_get_off_byte_boundary)
START_TEST (test_set_wont_fit)
{
uint64_t data = 0;
- fail_if(eightbyte_set_bitfield(&data, 100, 0, 1));
+ fail_if(eightbyte_set_bitfield(100, 0, 1, &data));
}
END_TEST
START_TEST (test_set_field)
{
uint64_t data = 0;
- fail_unless(eightbyte_set_bitfield(&data, 1, 0, 1));
+ fail_unless(eightbyte_set_bitfield(1, 0, 1, &data));
uint64_t result = eightbyte_get_bitfield(data, 0, 1, false);
ck_assert_int_eq(result, 0x1);
data = 0;
- fail_unless(eightbyte_set_bitfield(&data, 1, 1, 1));
+ fail_unless(eightbyte_set_bitfield(1, 1, 1, &data));
result = eightbyte_get_bitfield(data, 1, 1, false);
ck_assert_int_eq(result, 0x1);
data = 0;
- fail_unless(eightbyte_set_bitfield(&data, 0xf, 3, 4));
+ fail_unless(eightbyte_set_bitfield(0xf, 3, 4, &data));
result = eightbyte_get_bitfield(data, 3, 4, false);
ck_assert_int_eq(result, 0xf);
}
@@ -128,14 +128,14 @@ END_TEST
START_TEST (test_set_doesnt_clobber_existing_data)
{
uint64_t data = 0xFFFC4DF300000000;
- fail_unless(eightbyte_set_bitfield(&data, 0x4fc8, 16, 16));
+ fail_unless(eightbyte_set_bitfield(0x4fc8, 16, 16, &data));
uint64_t result = eightbyte_get_bitfield(data, 16, 16, false);
fail_unless(result == 0x4fc8,
"Field retrieved in 0x%llx was 0x%llx instead of 0x%x", data, result,
0xc84f);
data = 0x8000000000000000;
- fail_unless(eightbyte_set_bitfield(&data, 1, 21, 1));
+ fail_unless(eightbyte_set_bitfield(1, 21, 1, &data));
fail_unless(data == 0x8000040000000000LLU,
"Expected combined value 0x8000040000000000 but got 0x%llx%llx",
data >> 32, data);
@@ -145,7 +145,7 @@ END_TEST
START_TEST (test_set_off_byte_boundary)
{
uint64_t data = 0xFFFC4DF300000000;
- fail_unless(eightbyte_set_bitfield(&data, 0x12, 12, 8));
+ fail_unless(eightbyte_set_bitfield(0x12, 12, 8, &data));
uint64_t result = eightbyte_get_bitfield(data, 12, 12, false);
ck_assert_int_eq(result,0x12d);
}
@@ -154,14 +154,14 @@ END_TEST
START_TEST (test_set_odd_number_of_bits)
{
uint64_t data = 0xFFFC4DF300000000LLU;
- fail_unless(eightbyte_set_bitfield(&data, 0x12, 11, 5));
+ fail_unless(eightbyte_set_bitfield(0x12, 11, 5, &data));
uint64_t result = eightbyte_get_bitfield(data, 11, 5, false);
fail_unless(result == 0x12,
"Field set in 0x%llx%llx%llx%llx was 0x%llx instead of 0x%llx", data, result,
0x12);
data = 0xFFFC4DF300000000LLU;
- fail_unless(eightbyte_set_bitfield(&data, 0x2, 11, 5));
+ fail_unless(eightbyte_set_bitfield(0x2, 11, 5, &data));
result = eightbyte_get_bitfield(data, 11, 5, false);
fail_unless(result == 0x2,
"Field set in 0x%llx%llx%llx%llx was 0x%llx instead of 0x%llx", data, result,
diff --git a/tests/bitfield_tests.c b/tests/bitfield_tests.c
index b03882a2..b8c83b59 100644
--- a/tests/bitfield_tests.c
+++ b/tests/bitfield_tests.c
@@ -26,6 +26,27 @@ START_TEST (test_set_nibble)
}
END_TEST
+START_TEST (test_set_bitfield)
+{
+ uint8_t data[4] = {0};
+ fail_unless(set_bitfield(0x12, 0, 8, data, sizeof(data)));
+ fail_unless(set_bitfield(bitmask(3), 10, 3, data, sizeof(data)));
+ ck_assert_int_eq(data[0], 0x12);
+ ck_assert_int_eq(data[1], 0x38);
+}
+END_TEST
+
+START_TEST (test_set_bitfield_doesnt_fit)
+{
+ uint8_t data[4] = {0};
+ fail_if(set_bitfield(0xffff, 0, 8, data, sizeof(data)));
+ ck_assert_int_eq(data[0], 0);
+ ck_assert_int_eq(data[1], 0);
+ ck_assert_int_eq(data[2], 0);
+ ck_assert_int_eq(data[3], 0);
+}
+END_TEST
+
START_TEST (test_get_nibble)
{
uint8_t data[4] = {0x12, 0x34, 0x56, 0x78};
@@ -87,6 +108,8 @@ Suite* bitfieldSuite(void) {
tcase_add_test(tc_core, test_get_byte);
tcase_add_test(tc_core, test_get_nibble);
tcase_add_test(tc_core, test_set_nibble);
+ tcase_add_test(tc_core, test_set_bitfield);
+ tcase_add_test(tc_core, test_set_bitfield_doesnt_fit);
tcase_add_test(tc_core, test_get_bits);
tcase_add_test(tc_core, test_copy_bytes);
tcase_add_test(tc_core, test_get_bits_out_of_range);
diff --git a/tests/write_tests.c b/tests/write_tests.c
index 8f34a468..4d5d8fc3 100644
--- a/tests/write_tests.c
+++ b/tests/write_tests.c
@@ -2,7 +2,14 @@
#include <check.h>
#include <stdint.h>
-START_TEST (test_encode_can_signal)
+START_TEST (test_eightbyte_encode_float_precision)
+{
+ uint64_t value = eightbyte_encode_float(50, 2, 19, 0.001, 0);
+ ck_assert_int_eq(value, 0x061a800000000000LLU);
+}
+END_TEST
+
+START_TEST (test_eightbyte_encode_float)
{
uint64_t value = eightbyte_encode_float(0, 1, 3, 1, 0);
ck_assert_int_eq(value, 0);
@@ -12,14 +19,7 @@ START_TEST (test_encode_can_signal)
}
END_TEST
-START_TEST (test_encode_can_signal_rounding_precision)
-{
- uint64_t value = eightbyte_encode_float(50, 2, 19, 0.001, 0);
- ck_assert_int_eq(value, 0x061a800000000000LLU);
-}
-END_TEST
-
-START_TEST (test_encode_bool)
+START_TEST (test_eightbyte_encode_bool)
{
uint64_t value = eightbyte_encode_bool(true, 1, 3);
ck_assert_int_eq(value, 0x1000000000000000LLU);
@@ -28,13 +28,65 @@ START_TEST (test_encode_bool)
}
END_TEST
+START_TEST (test_bitfield_encode_float)
+{
+ uint8_t data[8] = {0};
+ bitfield_encode_float(0, 1, 3, 1, 0, data, sizeof(data));
+ ck_assert_int_eq(data[0], 0);
+ ck_assert_int_eq(data[1], 0);
+ ck_assert_int_eq(data[2], 0);
+ ck_assert_int_eq(data[3], 0);
+ ck_assert_int_eq(data[4], 0);
+ ck_assert_int_eq(data[5], 0);
+ ck_assert_int_eq(data[6], 0);
+ ck_assert_int_eq(data[7], 0);
+
+ bitfield_encode_float(1, 1, 3, 1, 0, data, sizeof(data));
+ ck_assert_int_eq(data[0], 0x10);
+ ck_assert_int_eq(data[1], 0);
+ ck_assert_int_eq(data[2], 0);
+ ck_assert_int_eq(data[3], 0);
+ ck_assert_int_eq(data[4], 0);
+ ck_assert_int_eq(data[5], 0);
+ ck_assert_int_eq(data[6], 0);
+ ck_assert_int_eq(data[7], 0);
+}
+END_TEST
+
+START_TEST (test_bitfield_encode_bool)
+{
+ uint8_t data[8] = {0};
+ bitfield_encode_bool(true, 1, 3, data, sizeof(data));
+ ck_assert_int_eq(data[0], 0x10);
+ ck_assert_int_eq(data[1], 0);
+ ck_assert_int_eq(data[2], 0);
+ ck_assert_int_eq(data[3], 0);
+ ck_assert_int_eq(data[4], 0);
+ ck_assert_int_eq(data[5], 0);
+ ck_assert_int_eq(data[6], 0);
+ ck_assert_int_eq(data[7], 0);
+
+ bitfield_encode_bool(false, 1, 3, data, sizeof(data));
+ ck_assert_int_eq(data[0], 0);
+ ck_assert_int_eq(data[1], 0);
+ ck_assert_int_eq(data[2], 0);
+ ck_assert_int_eq(data[3], 0);
+ ck_assert_int_eq(data[4], 0);
+ ck_assert_int_eq(data[5], 0);
+ ck_assert_int_eq(data[6], 0);
+ ck_assert_int_eq(data[7], 0);
+}
+END_TEST
+
Suite* canwriteSuite(void) {
Suite* s = suite_create("write");
TCase *tc_core = tcase_create("core");
tcase_add_checked_fixture(tc_core, NULL, NULL);
- tcase_add_test(tc_core, test_encode_can_signal);
- tcase_add_test(tc_core, test_encode_bool);
- tcase_add_test(tc_core, test_encode_can_signal_rounding_precision);
+ tcase_add_test(tc_core, test_eightbyte_encode_float);
+ tcase_add_test(tc_core, test_eightbyte_encode_bool);
+ tcase_add_test(tc_core, test_eightbyte_encode_float_precision);
+ tcase_add_test(tc_core, test_bitfield_encode_float);
+ tcase_add_test(tc_core, test_bitfield_encode_bool);
suite_add_tcase(s, tc_core);
return s;