Tests

src/tests/unit/encoding/variable_byte_integer_unit.rs

@@ -0,0 +1,78 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) [2022] [Ondrej Babec <ond.babec@gmail.com>]
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+use crate::encoding::variable_byte_integer::{VariableByteInteger, VariableByteIntegerDecoder, VariableByteIntegerEncoder};
+use crate::utils::types::BufferError;
+
+#[test]
+fn test_decode() {
+    static BUFFER: VariableByteInteger = [0x81, 0x81, 0x81, 0x01];
+
+    let decoded = VariableByteIntegerDecoder::decode(BUFFER);
+    assert!(decoded.is_ok());
+    assert_eq!(decoded.unwrap(), 2113665);
+}
+
+#[test]
+fn test_decode_small() {
+    static BUFFER: VariableByteInteger = [0x81, 0x81, 0x01, 0x85];
+
+    let decoded = VariableByteIntegerDecoder::decode(BUFFER);
+    assert!(decoded.is_ok());
+    assert_eq!(decoded.unwrap(), 16_513);
+}
+
+#[test]
+fn test_encode() {
+    let encoded = VariableByteIntegerEncoder::encode(211_366_5);
+    assert!(encoded.is_ok());
+    let res = encoded.unwrap();
+    assert_eq!(res, [0x81, 0x81, 0x81, 0x01]);
+    assert_eq!(VariableByteIntegerEncoder::len(res), 4);
+}
+
+#[test]
+fn test_encode_small() {
+    let encoded = VariableByteIntegerEncoder::encode(16_513);
+    assert!(encoded.is_ok());
+    let res = encoded.unwrap();
+    assert_eq!(res, [0x81, 0x81, 0x01, 0x00]);
+    assert_eq!(VariableByteIntegerEncoder::len(res), 3);
+}
+
+#[test]
+fn test_encode_extra_small() {
+    let encoded = VariableByteIntegerEncoder::encode(5);
+    assert!(encoded.is_ok());
+    let res = encoded.unwrap();
+    assert_eq!(res, [0x05, 0x00, 0x00, 0x00]);
+    assert_eq!(VariableByteIntegerEncoder::len(res), 1);
+}
+
+#[test]
+fn test_encode_max() {
+    let encoded = VariableByteIntegerEncoder::encode(288_435_455);
+    assert!(encoded.is_err());
+    assert_eq!(encoded.unwrap_err(), BufferError::EncodingError);
+}