Add a new VOC that includes SoundDataContinuation.

Add tests for it.

tests/test_c24ff78a.rs

@@ -0,0 +1,63 @@
+use vocnom::reader::parse_voc;
+use vocnom::types::{BlockType, Codec};
+
+const VOC_CONTENTS: &[u8] = include_bytes!("../assets/C24FF78A.VOC");
+
+#[test]
+fn version_test() {
+    let (_, voc) = parse_voc(VOC_CONTENTS).unwrap();
+    assert_eq!((voc.version.major, voc.version.minor), (1, 20));
+}
+
+#[test]
+fn checksum_test() {
+    let (_, voc) = parse_voc(VOC_CONTENTS).unwrap();
+    assert!(voc.checksum.valid);
+    assert_eq!(voc.checksum.value, 0x111f);
+}
+
+#[test]
+fn num_blocks_test() {
+    let (_, voc) = parse_voc(VOC_CONTENTS).unwrap();
+    assert_eq!(voc.blocks.len(), 458);
+}
+
+#[test]
+fn block_0_sound_data_test() {
+    let (_, voc) = parse_voc(VOC_CONTENTS).unwrap();
+    if let BlockType::SoundData {
+        sample_rate,
+        codec,
+        data,
+    } = &voc.blocks[1]
+    {
+        assert_eq!(sample_rate, &11111);
+        assert_eq!(codec, &Codec::Pcm8BitUnsigned);
+        assert_eq!(data.len(), 485);
+    }
+}
+
+#[test]
+fn blocks_1_to_457_terminator_test() {
+    let (_, voc) = parse_voc(VOC_CONTENTS).unwrap();
+    for idx in 1..457 {
+        assert!(matches!(
+            voc.blocks[idx],
+            BlockType::SoundDataContinuation { .. }
+        ));
+    }
+}
+
+#[test]
+fn block_69_sound_data_continuation() {
+    let (_, voc) = parse_voc(VOC_CONTENTS).unwrap();
+    if let BlockType::SoundDataContinuation { data } = &voc.blocks[1] {
+        assert_eq!(data.len(), 500);
+    }
+}
+
+#[test]
+fn block_458_terminator_test() {
+    let (_, voc) = parse_voc(VOC_CONTENTS).unwrap();
+    assert_eq!(&voc.blocks[457], &BlockType::Terminator);
+}