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Mockito 5.0 breaks vararg argument capture in Kotlin #2878

@emartynov

Description

@emartynov

All code and tests are Kotlin code.

Have code:

class PreferencesRepository {
    suspend fun getPreferences(
        vararg preferences: String
    ): Map<String, Any> 
{}

Write tests:

        val preferencesRepository: PreferencesRepository = mock()
        val preferencesCapture = argumentCaptor<String>()
        whenever(preferencesRepository.getPreferences(anyVararg())) doReturn emptyMap()

        verify(preferencesRepository).getPreferences(preferencesCapture.capture())

Run test and observe:

at PreferencesRepository.getPreferences(PreferecesRepository.kt:11)
Actual invocations have different arguments:
preferencesRepository.getPreferences(
    [String, String]
);

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