From 9be15763e4b6db2f7ce31abf225584626b9686e4 Mon Sep 17 00:00:00 2001
From: Carl Schroedl <carlschroedl@gmail.com>
Date: Tue, 10 Jul 2018 21:05:22 -0500
Subject: [PATCH] Added spreadsheet test scenario 3.

---
 tests/RankedPairsCalculatorTest.php | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/tests/RankedPairsCalculatorTest.php b/tests/RankedPairsCalculatorTest.php
index 1c57fb2..45f1cda 100644
--- a/tests/RankedPairsCalculatorTest.php
+++ b/tests/RankedPairsCalculatorTest.php
@@ -287,4 +287,21 @@ public function testScenario2()
         $this->assertEquals($expectedRanking, $actualRanking);
     }
 
+    /**
+     * Scenario 3 from the test spreadsheet
+     * https://docs.google.com/spreadsheets/d/1634wP6-N8GG2Fig-yjIOk7vPBn4AijXOrjq6Z2T1K8M/edit?usp=sharing
+     */
+    public function testScenario3()
+    {
+        $expectedRanking = (new CandidateRankingParser())->parse("MN>MC>BT>FE=CS>RR");
+
+        $ballots = (new TestScenario3())->getBallots();
+        $tieBreakingBallot = $ballots[0];
+
+        $instance = new RankedPairsCalculator($tieBreakingBallot);
+        $results = $instance->calculate(sizeof($ballots), ...$ballots);
+        $actualRanking = $results->getRanking();
+
+        $this->assertEquals($expectedRanking, $actualRanking);
+    }
 }