45 lines
1.5 KiB
TypeScript
45 lines
1.5 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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describe('ZoneAwareError', () => {
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// If the environment does not supports stack rewrites, then these tests will fail
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// and there is no point in running them.
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if (!(Error as any)['stackRewrite']) return;
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it('should have all properties from NativeError', () => {
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let obj: any = new Object();
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Error.captureStackTrace(obj);
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expect(obj.stack).not.toBeUndefined();
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});
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it('should support prepareStackTrace', () => {
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const originalPrepareStackTrace = (<any>Error).prepareStackTrace;
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(<any>Error).prepareStackTrace = function(error: Error, stack: string) {
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return stack;
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};
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let obj: any = new Object();
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Error.captureStackTrace(obj);
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expect(obj.stack[0].getFileName()).not.toBeUndefined();
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(<any>Error).prepareStackTrace = originalPrepareStackTrace;
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});
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it('should not add additional stacktrace from Zone when use prepareStackTrace', () => {
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const originalPrepareStackTrace = (<any>Error).prepareStackTrace;
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(<any>Error).prepareStackTrace = function(error: Error, stack: string) {
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return stack;
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};
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let obj: any = new Object();
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Error.captureStackTrace(obj);
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expect(obj.stack.length).not.toBe(0);
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obj.stack.forEach(function(st: any) {
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expect(st.getFunctionName()).not.toEqual('zoneCaptureStackTrace');
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});
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(<any>Error).prepareStackTrace = originalPrepareStackTrace;
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});
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});
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