diff --git a/src/HavenoClient.test.ts b/src/HavenoClient.test.ts
index 223d32b9..ebb664df 100644
--- a/src/HavenoClient.test.ts
+++ b/src/HavenoClient.test.ts
@@ -2954,6 +2954,10 @@ async function testTradePayoutUnlock(ctxP: Partial<TradeContext>) {
 async function testTradeState(trade: TradeInfo, ctx: Partial<TradeContext>) {
   assert.equal(trade.getPhase(), ctx.phase, "expected trade phase to be " + ctx.phase + " but was " + trade.getPhase() + " for trade " + trade.getTradeId());
   assert(moneroTs.GenUtils.arrayContains(ctx.payoutState, trade.getPayoutState()), "expected one of payout state " + ctx.payoutState + " but was " + trade.getPayoutState() + " for trade " + trade.getTradeId());
+  assert(trade.getStartTime() > 0, "expected trade start timestamp to be greater than 0 but was " + trade.getStartTime() + " for trade " + trade.getTradeId());
+  assert(trade.getMaxDurationMs() > 0, "expected trade max duration to be greater than 0 but was " + trade.getMaxDurationMs() + " for trade " + trade.getTradeId());
+  assert(trade.getDeadlineTime() > 0, "expected trade deadline timestamp to be greater than 0 but was " + trade.getDeadlineTime() + " for trade " + trade.getTradeId());
+  assert(trade.getStartTime() + trade.getMaxDurationMs() === trade.getDeadlineTime(), "expected trade deadline to be equal to start timestamp + max duration but was " + trade.getDeadlineTime() + " for trade " + trade.getTradeId());
   if (ctx.disputeState) expect(trade.getDisputeState()).toEqual(ctx.disputeState);
   if (ctx.isCompleted !== undefined) expect(trade.getIsCompleted()).toEqual(ctx.isCompleted);
   if (ctx.isPayoutPublished !== undefined) expect(trade.getIsPayoutPublished()).toEqual(ctx.isPayoutPublished);