From cb064a0481cbe92ee4a7d2ec886dbf7e01805f88 Mon Sep 17 00:00:00 2001
From: Soham Zemse <22412996+zemse@users.noreply.github.com>
Date: Mon, 5 Aug 2024 21:39:59 +0530
Subject: [PATCH] add test case involving evm_increaseTime (#74)

---
 .../hardhat-project/contracts/Hello.sol           |  4 +++-
 .../hardhat-project/test/Hello.test.ts            | 15 +++++++--------
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/test/fixture-projects/hardhat-project/contracts/Hello.sol b/test/fixture-projects/hardhat-project/contracts/Hello.sol
index 5987daf..201c610 100644
--- a/test/fixture-projects/hardhat-project/contracts/Hello.sol
+++ b/test/fixture-projects/hardhat-project/contracts/Hello.sol
@@ -42,7 +42,9 @@ contract Hello {
     uint256 id2;
   }
 
-  function sample(string memory input) external {}
+  function sample(string memory input) external {
+    emit WhatsUp2(block.timestamp);
+  }
 
   function hi2(Info[] memory) public payable {
     assembly {
diff --git a/test/fixture-projects/hardhat-project/test/Hello.test.ts b/test/fixture-projects/hardhat-project/test/Hello.test.ts
index ca6dd75..1f34283 100644
--- a/test/fixture-projects/hardhat-project/test/Hello.test.ts
+++ b/test/fixture-projects/hardhat-project/test/Hello.test.ts
@@ -188,21 +188,20 @@ describe("Hello", () => {
     await hre.ethers.provider.send("debug_traceTransaction", [tx.hash]);
   });
 
-  it("sample", async () => {
-    await hre.network.provider.send("evm_mine");
-
+  it("sample evm_increaseTime", async () => {
     const contract = await hre.ethers.getContractAt(
       "Hello",
       "0x0000000000000000000000000000001234567890",
       wallet
     );
-    // hre.tracer.printNext = true;
+
     const tx1 = await contract.sample("hello");
-    const tx2 = await contract.sample("hello2");
 
-    await hre.network.provider.send("evm_mine");
+    expect(hre.tracer.lastTrace()?.hash).to.eq(tx1.hash);
 
-    console.log("debug tt");
-    await hre.ethers.provider.send("debug_traceTransaction", [tx1.hash]);
+    await hre.network.provider.send("evm_increaseTime", [1000]);
+
+    const tx2 = await contract.sample("hello2");
+    expect(hre.tracer.lastTrace()?.hash).to.eq(tx2.hash);
   });
 });