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Exit VCEDump PDII Salesforce Certified Platform Developer II (Plat-Dev-301)

Q5 Single choice

A developer is writing unit tests for the following method:

public static Boolean isFreezing(String celsiusTemp){ if(String.isNotBlank(celsiusTemp) &&
celsiusTemp.isNumeric())
{ return Decimal.valueof(celsiusTemp) <= 0; } return null; }

Which assertion would be used in a negative test case?

A
System.assertEquals(true, isFreezing(null))
B
System.assertEquals (true, isFreezing('O')
C
System.assertEquals(null, isFreezing('asdf))
D
System.assertEquals(true, isFreezingClOO'))

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