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authorTomasz Kramkowski <tk@the-tk.com>2021-08-11 01:23:10 +0100
committerTomasz Kramkowski <tk@the-tk.com>2021-08-11 01:32:48 +0100
commit5b31a09c18ee399869590d9b44eab0665b13c3ab (patch)
tree4bd5a53b6f5ed9240b45fac7e859623b5a9b547f
parentdfa850ebb5d1e44df7f9bc793cc052d4284fc0a5 (diff)
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test.c: add simple unpack_struct test
-rw-r--r--test.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/test.c b/test.c
index c06efe5..c5ce521 100644
--- a/test.c
+++ b/test.c
@@ -35,6 +35,17 @@ struct test {
} \
} while (0)
+#define CHECK_UNPACK_STRUCT(data, args, dest) do { \
+ enum pack_status CHECK_UNPACK_STRUCT_s = \
+ unpack_struct(data, sizeof (data), args, dest); \
+ if (CHECK_UNPACK_STRUCT_s != PACK_OK) { \
+ printf(__FILE__ ":%d unpack_struct(" #data ", " #args ", " #dest ") -> %s (%d)\n", \
+ __LINE__, pack_strerror(CHECK_UNPACK_STRUCT_s), \
+ CHECK_UNPACK_STRUCT_s); \
+ return false; \
+ } \
+} while(0)
+
#define CHECK_EQUAL(f, a, b) if (a != b) { printf(__FILE__ ":%d %"f" != %"f"\n", __LINE__, a, b); return false; }
#define CHECK_PACK(dest, fmt, ...) do { \
@@ -141,6 +152,41 @@ TEST(pack_simple_general, "pack simple general")
return true;
}
+TEST(unpack_struct_simple, "unpack_struct simple")
+{
+ struct dest {
+ int i;
+ unsigned char B;
+ float f;
+ } v = { __LINE__, __LINE__ + 1, __LINE__ + 2 };
+ struct pack_args args = {
+ .endian = PACK_ENDIAN_BIG,
+ .fields = (struct pack_field []){
+ { PACK_TYPE_INT, 1, offsetof(struct dest, i) },
+ { PACK_TYPE_PADDING, 3, 0 },
+ { PACK_TYPE_UCHAR, 1, offsetof(struct dest, B) },
+ { PACK_TYPE_PADDING, 2, 0 },
+ { PACK_TYPE_FLOAT, 1, offsetof(struct dest, f) },
+ },
+ .num_fields = 5,
+ };
+ unsigned char d[] = {
+ 0xff, 0x85,
+ 0x00, 0x00, 0x00,
+ 0x16,
+ 0x00, 0x00,
+ 0x40, 0x44, 0x58, 0x00
+ };
+
+ CHECK_UNPACK_STRUCT(d, &args, &v);
+
+ CHECK_EQUAL("d", v.i, -123);
+ CHECK_EQUAL("d", v.B, 22);
+ CHECK_EQUAL("f", v.f, 0x1.88bp+1);
+
+ return true;
+}
+
int main(void)
{
extern struct test __start_tests, __stop_tests;