Moved EnumerableSet to utils.

test/utils/EnumerableSet.test.js

@@ -0,0 +1,54 @@
+const { contract } = require('@openzeppelin/test-environment');
+
+const { expect } = require('chai');
+
+const EnumerableSetMock = contract.fromArtifact('EnumerableSetMock');
+
+const a = '0x0000000000000000000000000000000000000001';
+const b = '0x0000000000000000000000000000000000000002';
+const c = '0x0000000000000000000000000000000000000003';
+
+/** @test {EnumerableSet} contract */
+describe('EnumerableSet', function () {
+  beforeEach(async function () {
+    this.set = await EnumerableSetMock.new();
+  });
+
+  it('contains can return false.', async function () {
+    expect(await this.set.testContains(a)).to.be.false;
+  });
+
+  it('adds an value.', async function () {
+    await this.set.testAdd(a);
+    expect(await this.set.testContains(a)).to.be.true;
+  });
+
+  it('adds several values.', async function () {
+    await this.set.testAdd(a);
+    await this.set.testAdd(b);
+    expect(await this.set.testContains(a)).to.be.true;
+    expect(await this.set.testContains(b)).to.be.true;
+    expect(await this.set.testContains(c)).to.be.false;
+  });
+
+  it('removes values.', async function () {
+    await this.set.testAdd(a);
+    await this.set.testRemove(a);
+    expect(await this.set.testContains(a)).to.be.false;
+  });
+
+  it('Retrieve an empty array', async function () {
+    expect(await this.set.testEnumerate()).to.be.empty;
+  });
+
+  it('Retrieve an array of values', async function () {
+    await this.set.testAdd(a);
+    await this.set.testAdd(b);
+    await this.set.testAdd(c);
+    const result = (await this.set.testEnumerate());
+    expect(result.length).to.be.equal(3);
+    expect(result[0]).to.be.equal(a);
+    expect(result[1]).to.be.equal(b);
+    expect(result[2]).to.be.equal(c);
+  });
+});