Moved some test files around to better reflect the directory layout. (#1428)

test/math/Math.test.js

@@ -0,0 +1,60 @@
+const MathMock = artifacts.require('MathMock');
+
+const BigNumber = web3.BigNumber;
+
+require('chai')
+  .use(require('chai-bignumber')(BigNumber))
+  .should();
+
+contract('Math', function () {
+  const min = 1234;
+  const max = 5678;
+
+  beforeEach(async function () {
+    this.math = await MathMock.new();
+  });
+
+  describe('max', function () {
+    it('is correctly detected in first argument position', async function () {
+      (await this.math.max(max, min)).should.be.bignumber.equal(max);
+    });
+
+    it('is correctly detected in second argument position', async function () {
+      (await this.math.max(min, max)).should.be.bignumber.equal(max);
+    });
+  });
+
+  describe('min', function () {
+    it('is correctly detected in first argument position', async function () {
+      (await this.math.min(min, max)).should.be.bignumber.equal(min);
+    });
+
+    it('is correctly detected in second argument position', async function () {
+      (await this.math.min(max, min)).should.be.bignumber.equal(min);
+    });
+  });
+
+  describe('average', function () {
+    function bnAverage (a, b) {
+      return a.plus(b).div(2).truncated();
+    }
+
+    it('is correctly calculated with two odd numbers', async function () {
+      const a = new BigNumber(57417);
+      const b = new BigNumber(95431);
+      (await this.math.average(a, b)).should.be.bignumber.equal(bnAverage(a, b));
+    });
+
+    it('is correctly calculated with two even numbers', async function () {
+      const a = new BigNumber(42304);
+      const b = new BigNumber(84346);
+      (await this.math.average(a, b)).should.be.bignumber.equal(bnAverage(a, b));
+    });
+
+    it('is correctly calculated with one even and one odd number', async function () {
+      const a = new BigNumber(57417);
+      const b = new BigNumber(84346);
+      (await this.math.average(a, b)).should.be.bignumber.equal(bnAverage(a, b));
+    });
+  });
+});