pragma solidity ^0.4.24; contract IntegerTest { function _2_shouldBeGreaterThan_1() public constant returns (bool) { return Assert.greaterThan(uint(2), uint(1), "2 is not greater than 1"); } function _2_shouldBeGreaterThan_neg_1() public constant returns (bool) { return Assert.greaterThan(uint(2), int(-1), "2 is not greater than -1"); } function _neg_1_shouldNotBeGreaterThan_2() public constant returns (bool) { return Assert.greaterThan(int(-1), uint(2), "-1 is not greater than 2"); } }