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Languages/en/25_Create2_en/create2test.js

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+const { expect } = require("chai");
+const { ethers } = require("hardhat");
+
+describe("create2 test", function () {
+  it("Should return the new create2test once it's changed", async function () {
+    console.log("1.==> deploy pair");
+    const PairFactory = await ethers.getContractFactory("Pair");
+    const Pair = await PairFactory.deploy();
+    await Pair.deployed();
+    console.log("pair address =>",Pair.address);
+
+    console.log();
+    console.log("2.==> deploy PairFactory2");   
+    const PairFactory2Factory = await ethers.getContractFactory("PairFactory2");
+    const PairFactory2 = await PairFactory2Factory.deploy();
+    await PairFactory2.deployed();
+    console.log("PairFactory2 address =>",PairFactory2.address);
+
+    console.log("3.==> calculateAddr for wbnb people");  
+    const WBNBAddress = "0x2c44b726ADF1963cA47Af88B284C06f30380fC78";
+    const PEOPLEAddress = "0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c";
+
+    let predictedAddress = await PairFactory2.calculateAddr(WBNBAddress, PEOPLEAddress);
+    console.log("predictedAddress address =>",predictedAddress);
+
+    console.log("4.==> createPair2 for wbnb people");  
+    await PairFactory2.createPair2(WBNBAddress, PEOPLEAddress);
+    let createPair2Address = await PairFactory2.allPairs(0);
+    console.log("createPair2Address address =>",createPair2Address);
+
+    expect(createPair2Address).to.equal(predictedAddress);
+
+  });
+});