ds/integer_test.go


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package ds

import "testing"

func TestCompare(t *testing.T) {
	i := Integer{1}
	j := Integer{10}
	res := i.Compare(j)
	if res != -1 {
		t.Errorf("%v must be lower than %v, but got %v", i, j, res)
	}

	res = j.Compare(i)
	if res != 1 {
		t.Errorf("%v must be higher than %v, but got %v", j, i, res)
	}

	i = Integer{2}
	j = Integer{2}
	res = i.Compare(j)
	if res != 0 {
		t.Errorf("%v must be equal to %v, but got %v", i, j, res)
	}
}