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Kickass Phone Rates from 3U
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| PLACES TO GO: |
(derived and edited from a PL/1 reference) LEVEL I: The program contains no syntax errors that can be detected by the compiler. LEVEL II: The program can be executed. LEVEL III: There exists a set of input for which the program will yield the correct answer. LEVEL IV: There exists a set of typical valid input for which the program will yield the correct answer. LEVEL V: There exists a set of deliberately difficult input for which the program will yield the correct answer. LEVEL VI: For all sets of input, valid with respect to the original specification of the program, the program returns the correct answer. LEVEL VII: For all possible sets of valid input, and for all likely sets of erroneous input the program returns a correct or reasonable answer. LEVEL VIII: For all possible sets of input (valid and erroneous) the program gives a correct or reasonable answer. |
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