本文整理汇总了TypeScript中angular2/src/core/facade/async.PromiseWrapper.catchError方法的典型用法代码示例。如果您正苦于以下问题：TypeScript PromiseWrapper.catchError方法的具体用法？TypeScript PromiseWrapper.catchError怎么用？TypeScript PromiseWrapper.catchError使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类angular2/src/core/facade/async.PromiseWrapper的用法示例。
在下文中一共展示了PromiseWrapper.catchError方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: it
it('should reject the Promise on failure', inject([AsyncTestCompleter], (async) => {
PromiseWrapper.catchError(xhr.get(url404), (e) => {
expect(e).toEqual(`Failed to load ${url404}`);
async.done();
return null;
});
}), 10000);示例2: expect
tcb.createAsync(AppCmp).then((rootTC) => {
var router = rootTC.debugElement.componentInstance.router;
PromiseWrapper.catchError(router.navigateByUrl('/cause-error'), (error) => {
expect(rootTC.debugElement.nativeElement).toHaveText('outer { oh no }');
expect(error).toContainError('oops!');
async.done();
});
});示例3: it
it('should throw for non components', inject([AsyncTestCompleter], (async) => {
PromiseWrapper.catchError(PromiseWrapper.wrap(() => compile([NonComponent])), (error) => {
expect(error.message)
.toEqual(
`Could not compile '${stringify(NonComponent)}' because it is not a component.`);
async.done();
});
}));示例4: inject
inject([AsyncTestCompleter], (async) => {
PromiseWrapper.catchError(aggregate([], null, true), (err) => {
expect(() => { throw err; })
.toThrowError(
'frame capture requested in benchpress, but no start event was found');
async.done();
});
}));示例5: it
it('should throw if no end event', inject([AsyncTestCompleter], (async) => {
PromiseWrapper.catchError(
aggregate(
[eventFactory.markStart('frameCapture', 3), eventFactory.instant('frame', 4)],
null, true),
(err) => {
expect(() => { throw err; }).toThrowError('missing end event for frame capture');
async.done();
});
}));示例6: inject
inject([AsyncTestCompleter], (async) => {
PromiseWrapper.catchError(
createExtension([
benchmarkEvents.instant('BenchmarkInstrumentation::ImplThreadRenderingStats',
1100, {'data': {'frame_count': 2}})
]).readPerfLog(),
(err) => {
expect(() => { throw err; })
.toThrowError('multi-frame render stats not supported');
async.done();
});
}));示例7: it
it('should throw an error on buffer overflow', inject([AsyncTestCompleter], (async) => {
PromiseWrapper.catchError(
createExtension(
[
chromeTimelineEvents.start('FunctionCall', 1234),
],
CHROME45_USER_AGENT, 'Tracing.bufferUsage')
.readPerfLog(),
(err) => {
expect(() => { throw err; })
.toThrowError('The DevTools trace buffer filled during the test!');
async.done();
});
}));示例8: it
it('should throw if there is no match', inject([AsyncTestCompleter], (async) => {
PromiseWrapper.catchError(createExtension(['m1'], {'browser': 'm2'}), (err) => {
expect(isPresent(err)).toBe(true);
async.done();
});
}));