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package main
import (
"github.com/01-edu/z01"
solutions "../../solutions" // This line is not necessary when testing an exercise with a program
)
func nd(a, b int) int {
if a > b {
return -1
}
if a == b {
// fmt.Printf("%d\n", cnt)
return 0
}
if nd(a*2, b) != -1 {
return 1 + nd(a*2, b)
}
if nd(a*3, b) != -1 {
return 1 + nd(a*3, b)
}
return -1
}
func main() {
// Declaration of the node that is going to take the group of arguments that are going to
// inputed during each iteration of a Challenge between the student and the staff solution.
// (note: a node is not always necessary but in this case it makes the writing of the test easier)
type node struct {
init int
fin int
}
// Declaration of an empty array of type node{}
// note that in this case this is the easiest type of table to declare
// but a table can be of any other relevant type, (for example []string{}, []int{} if it
// were a single string tested or a single int)
table := []node{}
// Initial filling of that array with the values I see in the examples of the subject
table = append(table,
node{50, 43},
node{13, 13},
node{10, 9},
node{5, 9},
)
// If we were to leave the table as it is, a student could just do a program with 4 ifs and get
// "around" the goal of the exercise. We are now going to add 15 random tests using the z01 testing library
for i := 0; i < 20; i++ {
value := node{
init: z01.RandIntBetween(1, 1000),
fin: z01.RandIntBetween(1, 1000),
//this z01.RandIntBetween function allows the randomization of
//the int for each value in a desired range.
//Note that they are many others of those functions for other types of data
//Do not hesitate to have a look at all of them https://github.com/01-edu/z01
}
//Once the random node created, this iteration is added to the earlier declared table
//along with the 4 specific examples taken from the examples of the readme.
table = append(table, value)
}
for i := 1; i < 100; i++ {
value := node{
init: 1,
fin: 1,
}
if nd(1, i) > 0 {
value = node{
init: 1,
fin: i,
}
//this z01.RandIntBetween function allows the randomization of
//the int for each value in a desired range.
//Note that they are many others of those functions for other types of data
//Do not hesitate to have a look at all of them https://github.com/01-edu/z01
}
//Once the random node created, this iteration is added to the earlier declared table
//along with the 4 specific examples taken from the examples of the readme.
table = append(table, value)
}
//The table with 4 specific exercises and 15 randoms is now ready to be "challenged"
//Because the exercise asks for a function we are now using the Challenge function (this function would
// be the ChallengeMainExam function)
for _, arg := range table {
z01.Challenge("Game23", Game23, solutions.Game23, arg.init, arg.fin)
}
// the z01.Challenge function is here applied to each argument of the table. It musts contains:
// 1) first, the t argument from the T structure imported from the package "testing"
//
// 2) second, the function from the student, in this case Nauuo
//(this disapears in the ChallengeMainExam function)
// 3) third, the function from the staff, in this case solutions.Nauuo
//(this disapears as well in the ChallengeMainExam function)
// 4) all the arguments to be tested, in this case it is the plus, minus and rand from each structure,
// notice that they are accessed with arg. (the arg notation comes from the way it was name in the
// range loop over the table)
// Now that this is done. re-read the quickReadme (the test your test recap) and apply all the commands
// and intructions. We strongly advise to check that your error messages matches your subject.
// and that you ask a colleague to double check.
//FINAL STEP:
// When both are satisfied with the coherence between the subject and its tests. The code can be commited
// and redeployed by the team-01.
// We then advised the staff team to test the new exercise invidually with their current build of the exam
}