assertEquals(firstToString, secondToString);

            // Verify state is maintained after write operation
            notification.writeBytesWireFormat(new byte[64], 0);
            String thirdToString = notification.toString();
            assertEquals(firstToString, thirdToString);
        }

        private byte[] createValidOplockBreakBuffer(byte oplockLevel, byte[] fileId) {

							this.mem.setUint8(sp + 64, 1);
						} catch (err) {
							sp = this._inst.exports.getsp() >>> 0; // see comment above
							storeValue(sp + 56, err);
							this.mem.setUint8(sp + 64, 0);
						}
					},

					// func valueInvoke(v ref, args []ref) (ref, bool)
					"syscall/js.valueInvoke": (sp) => {
						sp >>>= 0;
						try {
							const v = loadValue(sp + 8);

    // {[-6..-4): 0, [0..1): 1, [1..5): 1, [7..9): 2,
    //  [9..14): 0, [14..15): 2, [17..20): 3, [22..25): 4}
    assertEquals(
        new ImmutableMap.Builder<>()
            .put(Range.closedOpen(-6, -4), 0)
            .put(Range.closedOpen(0, 1), 1) // not coalesced
            .put(Range.closedOpen(1, 5), 1)
            .put(Range.closedOpen(7, 9), 2)
            .put(Range.closedOpen(9, 14), 0)