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Love.t.sol · 165 lines · 5.1 KBSolidity Blame HistoryRaw
add love contract 9bf25a7 julienbrg 11h ago1// SPDX-License-Identifier: MIT
2pragma solidity ^0.8.30;
3
4import {Love} from "../src/Love.sol";
make love an erc20 with public mint 4c8048e julienbrg 11h ago5import {IERC20Errors} from "@openzeppelin/contracts/interfaces/draft-IERC6093.sol";
6import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
add love contract 9bf25a7 julienbrg 11h ago7import {Test} from "forge-std/Test.sol";
8
9contract LoveTest is Test {
10 Love public love;
11
12 address alice = makeAddr("alice");
13 address bob = makeAddr("bob");
make love an erc20 with public mint 4c8048e julienbrg 11h ago14 address stranger = makeAddr("stranger");
add love contract 9bf25a7 julienbrg 11h ago15
16 function setUp() public {
17 love = new Love();
18 }
19
make love an erc20 with public mint 4c8048e julienbrg 11h ago20 /*//////////////////////////////////////////////////////////////
21 METADATA
22 //////////////////////////////////////////////////////////////*/
23
24 function test_Metadata() public view {
25 assertEq(love.name(), "Love");
26 assertEq(love.symbol(), "LOVE");
27 assertEq(love.decimals(), 18);
28 }
29
30 function test_InitialSupplyIsZero() public view {
31 assertEq(love.totalSupply(), 0);
32 }
33
34 /*//////////////////////////////////////////////////////////////
35 MINT
36 //////////////////////////////////////////////////////////////*/
37
38 function test_Mint() public {
add love contract 9bf25a7 julienbrg 11h ago39 vm.prank(alice);
make love an erc20 with public mint 4c8048e julienbrg 11h ago40 love.mint(alice, 100e18);
41
42 assertEq(love.balanceOf(alice), 100e18);
43 assertEq(love.totalSupply(), 100e18);
44 }
45
46 /// @dev The point of this contract: `mint` has no access control.
47 function test_AnyoneCanMintToAnyone() public {
48 vm.prank(stranger);
49 love.mint(bob, 1000e18);
add love contract 9bf25a7 julienbrg 11h ago50
make love an erc20 with public mint 4c8048e julienbrg 11h ago51 assertEq(love.balanceOf(bob), 1000e18);
52 assertEq(love.balanceOf(stranger), 0);
53 assertEq(love.totalSupply(), 1000e18);
add love contract 9bf25a7 julienbrg 11h ago54 }
55
make love an erc20 with public mint 4c8048e julienbrg 11h ago56 function test_MintEmitsTransferFromZero() public {
57 vm.expectEmit(true, true, false, true);
58 emit IERC20.Transfer(address(0), alice, 5e18);
59
60 vm.prank(alice);
61 love.mint(alice, 5e18);
62 }
63
64 function test_MintAccumulates() public {
add love contract 9bf25a7 julienbrg 11h ago65 vm.startPrank(alice);
make love an erc20 with public mint 4c8048e julienbrg 11h ago66 love.mint(alice, 1e18);
67 love.mint(alice, 2e18);
add love contract 9bf25a7 julienbrg 11h ago68 vm.stopPrank();
69
make love an erc20 with public mint 4c8048e julienbrg 11h ago70 assertEq(love.balanceOf(alice), 3e18);
71 assertEq(love.totalSupply(), 3e18);
add love contract 9bf25a7 julienbrg 11h ago72 }
73
make love an erc20 with public mint 4c8048e julienbrg 11h ago74 function test_RevertWhen_MintingToZeroAddress() public {
75 vm.expectRevert(abi.encodeWithSelector(IERC20Errors.ERC20InvalidReceiver.selector, address(0)));
76 love.mint(address(0), 1e18);
77 }
78
79 function test_RevertWhen_MintOverflowsTotalSupply() public {
80 love.mint(alice, type(uint256).max);
81
82 vm.expectRevert();
83 love.mint(bob, 1);
84 }
85
86 /*//////////////////////////////////////////////////////////////
87 TRANSFER
88 //////////////////////////////////////////////////////////////*/
89
90 function test_Transfer() public {
91 love.mint(alice, 10e18);
92
93 vm.prank(alice);
94 assertTrue(love.transfer(bob, 4e18));
95
96 assertEq(love.balanceOf(alice), 6e18);
97 assertEq(love.balanceOf(bob), 4e18);
98 }
99
100 function test_RevertWhen_TransferExceedsBalance() public {
101 love.mint(alice, 1e18);
add love contract 9bf25a7 julienbrg 11h ago102
103 vm.prank(alice);
make love an erc20 with public mint 4c8048e julienbrg 11h ago104 vm.expectRevert(abi.encodeWithSelector(IERC20Errors.ERC20InsufficientBalance.selector, alice, 1e18, 2e18));
105 // forge-lint: disable-next-line(erc20-unchecked-transfer)
106 love.transfer(bob, 2e18);
add love contract 9bf25a7 julienbrg 11h ago107 }
108
make love an erc20 with public mint 4c8048e julienbrg 11h ago109 /*//////////////////////////////////////////////////////////////
110 APPROVE / TRANSFERFROM
111 //////////////////////////////////////////////////////////////*/
112
113 function test_ApproveAndTransferFrom() public {
114 love.mint(alice, 10e18);
115
add love contract 9bf25a7 julienbrg 11h ago116 vm.prank(alice);
make love an erc20 with public mint 4c8048e julienbrg 11h ago117 assertTrue(love.approve(bob, 6e18));
118 assertEq(love.allowance(alice, bob), 6e18);
119
120 vm.prank(bob);
121 assertTrue(love.transferFrom(alice, stranger, 6e18));
122
123 assertEq(love.balanceOf(alice), 4e18);
124 assertEq(love.balanceOf(stranger), 6e18);
125 assertEq(love.allowance(alice, bob), 0);
add love contract 9bf25a7 julienbrg 11h ago126 }
127
make love an erc20 with public mint 4c8048e julienbrg 11h ago128 function test_RevertWhen_TransferFromExceedsAllowance() public {
129 love.mint(alice, 10e18);
130
add love contract 9bf25a7 julienbrg 11h ago131 vm.prank(alice);
make love an erc20 with public mint 4c8048e julienbrg 11h ago132 love.approve(bob, 1e18);
133
134 vm.prank(bob);
135 vm.expectRevert(abi.encodeWithSelector(IERC20Errors.ERC20InsufficientAllowance.selector, bob, 1e18, 2e18));
136 // forge-lint: disable-next-line(erc20-unchecked-transfer)
137 love.transferFrom(alice, stranger, 2e18);
138 }
139
140 /*//////////////////////////////////////////////////////////////
141 FUZZ
142 //////////////////////////////////////////////////////////////*/
143
144 function testFuzz_MintByAnyCaller(address caller, address to, uint256 amount) public {
145 vm.assume(to != address(0));
146
147 vm.prank(caller);
148 love.mint(to, amount);
149
150 assertEq(love.balanceOf(to), amount);
151 assertEq(love.totalSupply(), amount);
add love contract 9bf25a7 julienbrg 11h ago152 }
153
make love an erc20 with public mint 4c8048e julienbrg 11h ago154 function testFuzz_Transfer(uint256 minted, uint256 amount) public {
155 amount = bound(amount, 0, minted);
add love contract 9bf25a7 julienbrg 11h ago156
make love an erc20 with public mint 4c8048e julienbrg 11h ago157 love.mint(alice, minted);
158
159 vm.prank(alice);
160 assertTrue(love.transfer(bob, amount));
add love contract 9bf25a7 julienbrg 11h ago161
make love an erc20 with public mint 4c8048e julienbrg 11h ago162 assertEq(love.balanceOf(alice), minted - amount);
163 assertEq(love.balanceOf(bob), amount);
add love contract 9bf25a7 julienbrg 11h ago164 }
165}