add number weight tests

remix-tests/sol/tests.sol.js

@@ -97,5 +97,45 @@ library Assert {
     AssertionEvent(result, message);
   }
 
+  /*----------------- Greater than --------------------*/
+  function greaterThan(uint a, uint b, string message) public constant returns (bool result) {
+    result = (a > b);
+    emit AssertionEvent(result, message);
+  }
+
+  function greaterThan(int a, int b, string message) public constant returns (bool result) {
+    result = (a > b);
+    emit AssertionEvent(result, message);
+  }
+  // TODO: safely compare between uint and int
+  function greaterThan(uint a, int b, string message) public constant returns (bool result) {
+    if(b < int(0)) {
+      // int is negative a always greater
+      result = true;
+    } else {
+      result = (a > uint(b));
+    }
+    emit AssertionEvent(result, message);
+  }
+  function greaterThan(int a, uint b, string message) public constant returns (bool result) {
+    if(a < int(0)) {
+      // int is negative a always greater
+      result = false;
+    } else {
+      result = (uint(a) > b);
+    }
+    emit AssertionEvent(result, message);
+  }
+  /*----------------- Lesser than --------------------*/
+  function lesserThan(uint a, uint b, string message) public constant returns (bool result) {
+    result = (a < b);
+    emit AssertionEvent(result, message);
+  }
+
+  function lesserThan(int a, int b, string message) public constant returns (bool result) {
+    result = (a < b);
+    emit AssertionEvent(result, message);
+  }
+  // TODO: safely compare between uint and int
 }
 `

remix-tests/tests/integer/integer_test.sol

@@ -0,0 +1,15 @@
+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");
+  }
+}

remix-tests/tests/testRunner.js

@@ -95,8 +95,8 @@ describe('testRunner', function () {
       })
     })
 
-    // Test string comparision
-    describe('test with beforeAll', function () {
+    // Test string equality
+    describe('test string equality', function () {
       let filename = 'tests/examples_3/simple_string_test.sol'
       let tests = [], results = {}
 
@@ -131,5 +131,31 @@ describe('testRunner', function () {
         ])
       })
     })
+
+    // Test signed/unsigned integer weight
+    describe('test number weight', function () {
+      let filename = 'tests/integer/integer_test.sol'
+      let tests = [], results = {}
+
+      before(function (done) {
+        compileAndDeploy(filename, function (_err, contracts) {
+          var testCallback = function (test) {
+            tests.push(test)
+          }
+          var resultsCallback = function (_err, _results) {
+            results = _results
+            done()
+          }
+          TestRunner.runTest('IntegerTest', contracts.IntegerTest, testCallback, resultsCallback)
+        })
+      })
+
+      it('should have 2 passing tests', function () {
+        assert.equal(results.passingNum, 2)
+      })
+      it('should have 1 failing tests', function () {
+        assert.equal(results.failureNum, 1)
+      })
+    })
   })
 })