comparison lib-tests/spec/session.spec.ts @ 508:7ac80ad913c1

Setup a basic test harness for non-angular stuff. Fix accidental recursion in PersistentStack

+import { PersistentStack } from '../../src/app/Session';
+import * as jasmine from 'jasmine-core';
+
+describe('PersistentStack', () => {
+  it('can add values to the front and maintain undo history', () => {
+    const stack = new PersistentStack<number>();
+    stack.unshift(1);
+    stack.unshift(2);
+    expect(stack.get(0)).toBe(2);
+    expect(stack.get(1)).toBe(1);
+    stack.stepBack();
+    expect(stack.get(0)).toBe(1);
+    expect(stack.get(1)).toBeUndefined();
+  });
+});
+