In a test using RouterTestingModule, what will happen if you call router.navigate(['/unknown']) where '/unknown' is not defined in routes?

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Angular - Testing

In a test using RouterTestingModule, what will happen if you call router.navigate(['/unknown']) where '/unknown' is not defined in routes?

ARouter will redirect to the default route automatically.

BRouter will navigate to '/unknown' anyway.

CTest will throw a runtime error.

DNavigation will fail silently and location.path() remains unchanged.

Step-by-Step Solution

Solution:

Step 1: Understand RouterTestingModule behavior with unknown routes
RouterTestingModule does not throw errors for unknown routes; navigation fails silently.
Step 2: Effect on location.path()
Since navigation fails, location.path() remains at the previous route.
Final Answer:
Navigation will fail silently and location.path() remains unchanged. -> Option D
Quick Check:
Unknown route navigation = silent fail [OK]

Quick Trick: Unknown routes do not throw errors in RouterTestingModule [OK]

Common Mistakes:

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