package main

import (
	"testing"
)

func TestModel1(t *testing.T) {
	m := NewModel()
	m.AddWords([]string{"a", "b", "a"})
	got := m.GetMostCommonPairs(2)
	if !(got[0] == "a" && got[1] == "b") {
		t.Errorf("bad order, got %v", got)
	}
}

func TestModel2(t *testing.T) {
	m := NewModel()
	m.AddWords([]string{"a", "b", "a"})
	m.AddWords([]string{"b", "c", "b"})
	got := m.GetMostCommonPairs(2)
	if !(got[0] == "b" && got[1] == "a") {
		t.Errorf("bad order, got %v", got)
	}
}