encoding/cbor: clean

core/encoding/cbor/coding.odin

@@ -316,9 +316,8 @@ _encode_progress_end :: proc(e: ^Encoder, is_begin: bool, tmp: runtime.Arena_Tem
 }
 
 _decode_header :: proc(r: io.Reader) -> (hdr: Header, err: io.Error) {
-	buf: [1]byte = ---
-	io.read_full(r, buf[:]) or_return
-	return Header(buf[0]), nil
+	hdr = Header(_decode_u8(r) or_return)
+	return
 }
 
 _header_split :: proc(hdr: Header) -> (Major, Add) {

tests/core/encoding/cbor/test_core_cbor.odin

@@ -799,15 +799,8 @@ test_encode_tags :: proc(t: ^testing.T) {
 
 // Helpers
 
-buf: bytes.Buffer
-stream  := bytes.buffer_to_stream(&buf)
-encoder := cbor.Encoder{cbor.ENCODE_FULLY_DETERMINISTIC, stream}
-
 expect_decoding :: proc(t: ^testing.T, encoded: string, decoded: string, type: typeid, loc := #caller_location) {
-	bytes.buffer_reset(&buf)
-    bytes.buffer_write_string(&buf, encoded)
-
-    res, err := cbor.decode(stream)
+    res, err := cbor.decode(encoded)
 	defer cbor.destroy(res)
 
 	expect_value(t, reflect.union_variant_typeid(res), type, loc)
@@ -820,10 +813,7 @@ expect_decoding :: proc(t: ^testing.T, encoded: string, decoded: string, type: t
 }
 
 expect_tag :: proc(t: ^testing.T, encoded: string, nr: cbor.Tag_Number, value_decoded: string, loc := #caller_location) {
-	bytes.buffer_reset(&buf)
-    bytes.buffer_write_string(&buf, encoded)
-
-	res, err := cbor.decode(stream)
+	res, err := cbor.decode(encoded)
 	defer cbor.destroy(res)
 
 	expect_value(t, err, nil, loc)
@@ -841,10 +831,7 @@ expect_tag :: proc(t: ^testing.T, encoded: string, nr: cbor.Tag_Number, value_de
 }
 
 expect_float :: proc(t: ^testing.T, encoded: string, expected: $T, loc := #caller_location) where intrinsics.type_is_float(T) {
-	bytes.buffer_reset(&buf)
-    bytes.buffer_write_string(&buf, encoded)
-
-    res, err := cbor.decode(stream)
+    res, err := cbor.decode(encoded)
 	defer cbor.destroy(res)
 
 	expect_value(t, reflect.union_variant_typeid(res), typeid_of(T), loc)
@@ -862,6 +849,10 @@ expect_float :: proc(t: ^testing.T, encoded: string, expected: $T, loc := #calle
 	}
 }
 
+buf: bytes.Buffer
+stream  := bytes.buffer_to_stream(&buf)
+encoder := cbor.Encoder{cbor.ENCODE_FULLY_DETERMINISTIC, stream}
+
 expect_encoding :: proc(t: ^testing.T, val: cbor.Value, encoded: string, loc := #caller_location) {
 	bytes.buffer_reset(&buf)