feat(collections): add new collection APIs, iterator support, and tree serialization utilities

test/test.interestmap.both.ts

@@ -15,11 +15,51 @@ tap.test('should create an interest', async () => {
 });
 
 tap.test('should return an already existing interest', async () => {
-  await testInterestmap.addInterest(3);
+  const interest3a = await testInterestmap.addInterest(3);
+  const interest3b = await testInterestmap.addInterest(3);
+  expect(interest3a === interest3b).toBeTrue();
 });
 
 tap.test('should be able to inform about a lost interest', async () => {
   testInterestmap.informLostInterest(3);
 });
 
+tap.test('checkInterest returns true for existing', async () => {
+  expect(testInterestmap.checkInterest(4)).toBeTrue();
+});
+
+tap.test('checkInterest returns false for non-existing', async () => {
+  expect(testInterestmap.checkInterest(999)).toBeFalse();
+});
+
+tap.test('findInterest returns the interest', async () => {
+  const interest = testInterestmap.findInterest(4);
+  expect(interest).not.toBeNull();
+  expect(interest.originalInterest).toEqual(4);
+});
+
+tap.test('findInterest returns null for non-existing', async () => {
+  const interest = testInterestmap.findInterest(888);
+  expect(interest).toBeNull();
+});
+
+tap.test('fullfillInterest resolves the promise', async () => {
+  const im = new lik.InterestMap<string, string>((s) => s);
+  const interest = await im.addInterest('hello');
+  interest.fullfillInterest('world');
+  const result = await interest.interestFullfilled;
+  expect(result).toEqual('world');
+  expect(interest.isFullfilled).toBeTrue();
+  im.destroy();
+});
+
+tap.test('destroy cleans up interestmap', async () => {
+  const im = new lik.InterestMap<string, string>((s) => s);
+  await im.addInterest('a');
+  await im.addInterest('b');
+  im.destroy();
+  expect(im.checkInterest('a')).toBeFalse();
+  expect(im.checkInterest('b')).toBeFalse();
+});
+
 export default tap.start();