how to verify a 32-bit full adder with testbench

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wildpig

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as the title
 

If the full adder is

A+B+CIN->S+COUT

set A=FFFFh and B=0000h and CIN=1b

and interchange A and B. With this test you trigger the critical path. Toggling all nodes with a reduced vector set require knowledge about the implementation.
 

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