Initial Commit

test/functions/range.test.ts

@@ -0,0 +1,20 @@
+import {describe, it, expect, mock} from 'bun:test';
+import {createRangeIterator} from '../../src/functions';
+
+describe('When generating a range iterator', () => {
+  describe('Given start and stop values', () => {
+    const start = 1;
+    const stop = 10;
+    const mockFn = mock(() => undefined);
+
+    it('generates an iterator of the correct length', () => {
+      const rangeIterator = createRangeIterator(1, 10);
+
+      for (const idx of rangeIterator) {
+        mockFn();
+      }
+
+      expect(mockFn).toHaveBeenCalledTimes(9);
+    });
+  });
+});