51 lines
1.5 KiB
Solidity
51 lines
1.5 KiB
Solidity
// SPDX-License-Identifier: UNLICENSED
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pragma solidity ^0.8.13;
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import {Test, console} from "forge-std/Test.sol";
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import {MyToken} from "../src/MyToken.sol";
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contract MyTokenTest is Test {
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MyToken public myToken;
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address public owner;
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address public user;
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function setUp() public {
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owner = address(0x100);
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user = address(0x101);
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vm.deal(owner, 100 ether);
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vm.deal(user, 100 ether);
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vm.startPrank(owner);
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myToken = new MyToken(1000);
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vm.stopPrank();
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}
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function test_buyAndTransferTokens() public {
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vm.startPrank(user); // User operations under here
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uint ethAmount = 0.01 ether;
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// uint ethAmount = 0.001 ether; // This will cause myToken.buyTokens() to revert
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uint userBalanceBeforeBuy = myToken.balanceOf(user);
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uint totalSupplyBeforeBuy = myToken.totalSupply();
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console.log("User balance before buy:", userBalanceBeforeBuy);
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console.log("Total supply before buy:", totalSupplyBeforeBuy);
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uint expectedBalance = userBalanceBeforeBuy + ethAmount / myToken.tokenPrice();
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myToken.buyTokens{value: ethAmount}();
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uint userBalanceAfterBuy = myToken.balanceOf(user);
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uint totalSupplyAfterBuy = myToken.totalSupply();
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console.log("User balance after buy:", userBalanceAfterBuy);
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console.log("Total supply after buy:", totalSupplyAfterBuy);
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assert(userBalanceAfterBuy > userBalanceBeforeBuy);
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assertEq(userBalanceAfterBuy, expectedBalance);
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assertEq(totalSupplyAfterBuy, totalSupplyBeforeBuy + ethAmount / myToken.tokenPrice());
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myToken.transfer(owner, userBalanceAfterBuy);
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vm.stopPrank();
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}
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}
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