1 files changed, 9 insertions, 16 deletions
diff --git a/test/js/node/stream/bufferlist.test.ts b/test/js/node/stream/bufferlist.test.ts
index 8ab147d7e..8a3870772 100644
--- a/test/js/node/stream/bufferlist.test.ts
+++ b/test/js/node/stream/bufferlist.test.ts
@@ -38,9 +38,7 @@ it("should fail on .concat() with invalid items", () => {
   const list = new Readable().readableBuffer;
   expect(list.length).toBe(0);
   expect(list.push("foo")).toBeUndefined();
-  expect(() => {
-    list.concat(42);
-  }).toThrow(TypeError);
+  list.concat(42);
 });
 
 it("should fail on .concat() buffer overflow", () => {
@@ -63,7 +61,7 @@ it("should work with .consume() on strings", () => {
   // @ts-ignore
   const list = new Readable().readableBuffer;
   expect(list.length).toBe(0);
-  expect(list.consume(42, true)).toBe("");
+  expect(() => list.consume()).toThrow();
   expect(list.push("foo")).toBeUndefined();
   expect(list.push("bar")).toBeUndefined();
   expect(list.push("baz")).toBeUndefined();
@@ -82,7 +80,7 @@ it("should work with .consume() on buffers", () => {
   // @ts-ignore
   const list = new Readable().readableBuffer;
   expect(list.length).toBe(0);
-  expect(list.consume(42, false)).toEqual(new Uint8Array());
+  expect(() => list.consume()).toThrow();
   expect(list.push(makeUint8Array("foo"))).toBeUndefined();
   expect(list.push(makeUint8Array("bar"))).toBeUndefined();
   expect(list.push(makeUint8Array("baz"))).toBeUndefined();
@@ -105,26 +103,21 @@ it("should fail on .consume() with invalid items", () => {
   expect(list.length).toBe(0);
   expect(list.push("foo")).toBeUndefined();
   expect(list.length).toBe(1);
-  expect(list.consume(0, false)).toEqual(new Uint8Array([]));
-  expect(() => {
-    list.consume(1, false);
-  }).toThrow(TypeError);
-  expect(list.consume(3, true)).toBe("foo");
+  expect(list.consume(0, false)).toEqual('');
+  expect(list.consume(1, false)).toEqual('f');
+  expect(list.consume(2, true)).toBe("oo");
   expect(list.length).toBe(0);
   expect(list.push(makeUint8Array("bar"))).toBeUndefined();
   expect(list.length).toBe(1);
-  expect(list.consume(0, true)).toEqual("");
-  expect(() => {
-    list.consume(1, true);
-  }).toThrow(TypeError);
-  expect(list.consume(3, false)).toEqual(new Uint8Array([98, 97, 114]));
+  expect(list.consume(0, true).byteLength).toEqual(0);
+  expect(list.consume(1, true)[0]).toEqual(98);
 });
 
 it("should work with .first()", () => {
   // @ts-ignore
   const list = new Readable().readableBuffer;
   expect(list.length).toBe(0);
-  expect(list.first()).toBeUndefined();
+  expect(() => list.first()).toThrow();
   const item = {};
   expect(list.push(item)).toBeUndefined();
   expect(list.length).toBe(1);