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Update courselist_test.go

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Kirill Nikanorov 2020-03-02 18:27:36 +00:00 committed by Fedor Korotkiy
parent f8b52d3612
commit ec51581531
1 changed files with 3 additions and 0 deletions
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3
hogwarts/courselist_test.go
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@ -14,6 +14,9 @@ func impl(t *testing.T, prereqs map[string][]string, courseList []string) {
t.Errorf("course %v (index %v) depends on course %v which is not taken yet", course, index, prereq)
}
}
if learned[course] {
t.Errorf("course %v (index %v) has been taken at least twice", course, index)
}
learned[course] = true
}
for course := range prereqs {