From 62ca500ee9cc0fe440f9ef27877112fb07a36112 Mon Sep 17 00:00:00 2001
From: Peter Vanhoef <petervanhoef@MacBook-Pro-van-Peter.local>
Date: Sun, 26 Mar 2017 22:16:57 +0200
Subject: [PATCH] Add test case for extra credit 1 (see #12)

---
 .../Calculator/Base.lproj/Main.storyboard     | 21 ++++++++----
 .../CalculatorUITests/CalculatorUITests.swift | 33 +++++++++++++++++++
 2 files changed, 48 insertions(+), 6 deletions(-)

diff --git a/Calculator/Calculator/Base.lproj/Main.storyboard b/Calculator/Calculator/Base.lproj/Main.storyboard
index cbd2380..113799c 100644
--- a/Calculator/Calculator/Base.lproj/Main.storyboard
+++ b/Calculator/Calculator/Base.lproj/Main.storyboard
@@ -46,16 +46,25 @@
                                                 <rect key="frame" x="0.0" y="0.0" width="343" height="95"/>
                                                 <subviews>
                                                     <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="4ss-pM-0I2">
-                                                        <rect key="frame" x="0.0" y="0.0" width="60.5" height="95"/>
+                                                        <rect key="frame" x="0.0" y="0.0" width="49" height="95"/>
                                                         <color key="backgroundColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/>
                                                         <fontDescription key="fontDescription" type="system" pointSize="30"/>
-                                                        <state key="normal" title="C"/>
+                                                        <state key="normal" title="BS"/>
                                                         <connections>
                                                             <action selector="clear:" destination="BYZ-38-t0r" eventType="touchUpInside" id="qr1-Ca-0eX"/>
                                                         </connections>
                                                     </button>
+                                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="NCt-oF-aVp">
+                                                        <rect key="frame" x="59" y="0.0" width="48.5" height="95"/>
+                                                        <color key="backgroundColor" white="0.66666666666666663" alpha="1" colorSpace="calibratedWhite"/>
+                                                        <fontDescription key="fontDescription" type="system" pointSize="30"/>
+                                                        <state key="normal" title="C"/>
+                                                        <connections>
+                                                            <action selector="clear:" destination="BYZ-38-t0r" eventType="touchUpInside" id="hMo-Oe-7sL"/>
+                                                        </connections>
+                                                    </button>
                                                     <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="cJB-pf-Plh">
-                                                        <rect key="frame" x="70.5" y="0.0" width="60.5" height="95"/>
+                                                        <rect key="frame" x="117.5" y="0.0" width="49" height="95"/>
                                                         <color key="backgroundColor" red="1" green="0.5" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
                                                         <fontDescription key="fontDescription" type="system" pointSize="30"/>
                                                         <state key="normal" title="+">
@@ -66,7 +75,7 @@
                                                         </connections>
                                                     </button>
                                                     <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="AAq-mp-WTl">
-                                                        <rect key="frame" x="141" y="0.0" width="61" height="95"/>
+                                                        <rect key="frame" x="176.5" y="0.0" width="49" height="95"/>
                                                         <color key="backgroundColor" red="1" green="0.5" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
                                                         <fontDescription key="fontDescription" type="system" pointSize="30"/>
                                                         <state key="normal" title="−">
@@ -77,7 +86,7 @@
                                                         </connections>
                                                     </button>
                                                     <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="MDW-9A-9Fm">
-                                                        <rect key="frame" x="212" y="0.0" width="60.5" height="95"/>
+                                                        <rect key="frame" x="235.5" y="0.0" width="48.5" height="95"/>
                                                         <color key="backgroundColor" red="1" green="0.5" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
                                                         <fontDescription key="fontDescription" type="system" pointSize="30"/>
                                                         <state key="normal" title="÷">
@@ -88,7 +97,7 @@
                                                         </connections>
                                                     </button>
                                                     <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="ZGO-VJ-SLt">
-                                                        <rect key="frame" x="282.5" y="0.0" width="60.5" height="95"/>
+                                                        <rect key="frame" x="294" y="0.0" width="49" height="95"/>
                                                         <color key="backgroundColor" red="1" green="0.5" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
                                                         <fontDescription key="fontDescription" type="system" pointSize="30"/>
                                                         <state key="normal" title="×">
diff --git a/Calculator/CalculatorUITests/CalculatorUITests.swift b/Calculator/CalculatorUITests/CalculatorUITests.swift
index 5c6c84f..cd9b5e3 100644
--- a/Calculator/CalculatorUITests/CalculatorUITests.swift
+++ b/Calculator/CalculatorUITests/CalculatorUITests.swift
@@ -377,4 +377,37 @@ class CalculatorUITests: XCTestCase {
         XCTAssert(app.staticTexts["(1 + 3)⁻¹ ="].exists)
         XCTAssert(app.staticTexts["0.25"].exists)
     }
+    
+    func testBackSpaceExtraCredit1() {
+        let app = XCUIApplication()
+        
+        XCTAssert(app.staticTexts["0"].exists)
+        app.buttons["BS"].tap()
+        XCTAssert(app.staticTexts["0"].exists)
+        app.buttons["3"].tap()
+        XCTAssert(app.staticTexts["3"].exists)
+        app.buttons["BS"].tap()
+        XCTAssert(app.staticTexts["0"].exists)
+        app.buttons["5"].tap()
+        app.buttons["3"].tap()
+        app.buttons["8"].tap()
+        app.buttons["9"].tap()
+        XCTAssert(app.staticTexts["5389"].exists)
+        app.buttons["BS"].tap()
+        XCTAssert(app.staticTexts["538"].exists)
+        app.buttons["BS"].tap()
+        XCTAssert(app.staticTexts["53"].exists)
+        app.buttons["7"].tap()
+        app.buttons["6"].tap()
+        XCTAssert(app.staticTexts["5376"].exists)
+        app.buttons["BS"].tap()
+        app.buttons["BS"].tap()
+        app.buttons["BS"].tap()
+        XCTAssert(app.staticTexts["5"].exists)
+        app.buttons["+"].tap()
+        app.buttons["3"].tap()
+        app.buttons["="].tap()
+        XCTAssert(app.staticTexts["5 + 3 ="].exists)
+        XCTAssert(app.staticTexts["8"].exists)
+    }
 }