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package main
import (
"strings"
student "student"
"github.com/01-edu/public/go/tests/lib"
)
func index(s string, substr string) int {
return strings.Index(s, substr)
}
func main() {
type node struct {
s string
toFind string
}
table := []node{}
// the first 15 values are valid for this test
for i := 0; i < 15; i++ {
wordToTest := lib.RandASCII()
firstLetterIndex := lib.RandIntBetween(0, (len(wordToTest)-1)/2)
lastLetterIndex := lib.RandIntBetween(firstLetterIndex, len(wordToTest)-1)
val := node{
s: wordToTest,
toFind: wordToTest[firstLetterIndex:lastLetterIndex],
}
table = append(table, val)
}
// the next 15 values are supposed to be invalid for this test
for i := 0; i < 15; i++ {
wordToTest := lib.RandASCII()
wrongMatch := lib.RandASCII()
val := node{
s: wordToTest,
toFind: wrongMatch,
}
table = append(table, val)
}
// those are the test values from the README examples
table = append(table,
node{s: "Hello!", toFind: "l"},
node{s: "Salut!", toFind: "alu"},
node{s: "Ola!", toFind: "hOl"},
)
for _, arg := range table {
lib.Challenge("Index", student.Index, index, arg.s, arg.toFind)
}
}