build: move zone.js to angular repo (#30962)

PR Close #30962

packages/zone.js/test/common/toString.spec.ts

@@ -0,0 +1,88 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {zoneSymbol} from '../../lib/common/utils';
+import {ifEnvSupports} from '../test-util';
+
+const g: any =
+    typeof window !== 'undefined' && window || typeof self !== 'undefined' && self || global;
+describe('global function patch', () => {
+  describe('isOriginal', () => {
+    it('setTimeout toString should be the same with non patched setTimeout', () => {
+      expect(Function.prototype.toString.call(setTimeout))
+          .toEqual(Function.prototype.toString.call(g[zoneSymbol('setTimeout')]));
+    });
+
+    it('MutationObserver toString should be the same with native version',
+       ifEnvSupports('MutationObserver', () => {
+         const nativeMutationObserver = g[zoneSymbol('MutationObserver')];
+         if (typeof nativeMutationObserver === 'function') {
+           expect(Function.prototype.toString.call(g['MutationObserver']))
+               .toEqual(Function.prototype.toString.call(nativeMutationObserver));
+         } else {
+           expect(Function.prototype.toString.call(g['MutationObserver']))
+               .toEqual(Object.prototype.toString.call(nativeMutationObserver));
+         }
+       }));
+  });
+
+  describe('isNative', () => {
+    it('ZoneAwareError toString should look like native',
+       () => { expect(Function.prototype.toString.call(Error)).toContain('[native code]'); });
+
+    it('Function toString should look like native', () => {
+      expect(Function.prototype.toString.call(Function.prototype.toString))
+          .toContain('[native code]');
+    });
+
+    it('EventTarget addEventListener should look like native', ifEnvSupports('HTMLElement', () => {
+         expect(Function.prototype.toString.call(HTMLElement.prototype.addEventListener))
+             .toContain('[native code]');
+       }));
+  });
+});
+
+describe('ZoneTask', () => {
+  it('should return handleId.toString if handleId is available', () => {
+    let macroTask1: any = undefined;
+    let macroTask2: any = undefined;
+    let microTask: any = undefined;
+    const zone = Zone.current.fork({
+      name: 'timer',
+      onScheduleTask: (delegate: ZoneDelegate, curr: Zone, target: Zone, task: Task) => {
+        if (task.type === 'macroTask') {
+          if (!macroTask1) {
+            macroTask1 = task;
+          } else {
+            macroTask2 = task;
+          }
+        } else if (task.type === 'microTask') {
+          microTask = task;
+        }
+        return task;
+      }
+    });
+    zone.run(() => {
+      const id1 = setTimeout(() => {});
+      clearTimeout(id1);
+      const id2 = setTimeout(() => {});
+      clearTimeout(id2);
+      Promise.resolve().then(() => {});
+      const macroTask1Str = macroTask1.toString();
+      const macroTask2Str = macroTask2.toString();
+      expect(typeof macroTask1Str).toEqual('string');
+      expect(macroTask1Str).toEqual(id1.toString());
+      expect(typeof macroTask2Str).toEqual('string');
+      expect(macroTask2Str).toEqual(id2.toString());
+      if (macroTask1.data && typeof macroTask1.data.handleId === 'number') {
+        expect(macroTask1Str).not.toEqual(macroTask2Str);
+      }
+      expect(typeof microTask.toString()).toEqual('string');
+    });
+  });
+});