wip

Author: CommanderStorm

ts/src/decoding/integerStreamDecoder.spec.ts

@@ -665,6 +665,15 @@ describe("decodeInt64Stream", () => {
             expect(result).toBe(0xffffffffffffffffn);
         });
 
+        it("should ZigZag-decode a single DELTA-encoded unsigned const Int64", () => {
+            const metadata = createStreamMetadata(LogicalLevelTechnique.DELTA, LogicalLevelTechnique.NONE, 1);
+            const data = encodeVarintInt64(new BigUint64Array([encodeZigZagInt64Value(4n)]));
+
+            const result = decodeUnsignedConstInt64Stream(data, new IntWrapper(0), metadata);
+
+            expect(result).toBe(4n);
+        });
+
         it("should decode NONE signed with all non-null values", () => {
             const metadata = createStreamMetadata(LogicalLevelTechnique.NONE);
             const expectedValues = new BigInt64Array([2n, -4n, 6n]);