From eb8144ab096830a1b693e0aed2bd8ae9e492e367 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Peter=20Babi=C4=8D?= <peter@peterbabic.dev>
Date: Thu, 17 Mar 2016 11:08:50 +0100
Subject: [PATCH] Implement Map.isVisitedPosition

---
 .idea/codeStyleSettings.xml |   3 +
 .idea/workspace.xml         | 120 +++++++++++++++++++-----------------
 src/Coffee/Map.php          |  61 ++++++++++++------
 tests/MapTest.php           |  48 ++++++++-------
 tests/TileTest.php          |   2 -
 5 files changed, 138 insertions(+), 96 deletions(-)

diff --git a/.idea/codeStyleSettings.xml b/.idea/codeStyleSettings.xml
index 3a3885e..c4c9543 100644
--- a/.idea/codeStyleSettings.xml
+++ b/.idea/codeStyleSettings.xml
@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ProjectCodeStyleSettingsManager">
+    <option name="PER_PROJECT_SETTINGS">
+      <value />
+    </option>
     <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default (1)" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index ca9bc15..cde46ff 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="65f95bb6-3a86-4ed6-841e-441936291ad4" name="Default" comment="Refactor Table constructor to accept arguments">
+    <list default="true" id="65f95bb6-3a86-4ed6-841e-441936291ad4" name="Default" comment="Implement Map.isValidPosition">
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/codeStyleSettings.xml" afterPath="$PROJECT_DIR$/.idea/codeStyleSettings.xml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/Coffee/Map.php" afterPath="$PROJECT_DIR$/src/Coffee/Map.php" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/Coffee/Table.php" afterPath="$PROJECT_DIR$/src/Coffee/Table.php" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/tests/MapTest.php" afterPath="$PROJECT_DIR$/tests/MapTest.php" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/tests/TableTest.php" afterPath="$PROJECT_DIR$/tests/TableTest.php" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/tests/TileTest.php" afterPath="$PROJECT_DIR$/tests/TileTest.php" />
     </list>
     <ignored path="coffeetable.iws" />
     <ignored path=".idea/workspace.xml" />
@@ -32,10 +32,10 @@
   </component>
   <component name="FileEditorManager">
     <leaf>
-      <file leaf-file-name="index.php" pinned="false" current-in-tab="false">
+      <file leaf-file-name="index.php" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/index.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="-4.0">
+            <state vertical-scroll-proportion="0.10404624">
               <caret line="6" column="5" selection-start-line="6" selection-start-column="5" selection-end-line="6" selection-end-column="5" />
               <folding />
             </state>
@@ -65,7 +65,7 @@
       <file leaf-file-name="Tile.php" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/Coffee/Tile.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="-60.0">
+            <state vertical-scroll-proportion="-79.14815">
               <caret line="124" column="55" selection-start-line="124" selection-start-column="55" selection-end-line="124" selection-end-column="55" />
               <folding />
             </state>
@@ -75,8 +75,8 @@
       <file leaf-file-name="TileTest.php" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/tests/TileTest.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="-28.777779">
-              <caret line="106" column="27" selection-start-line="106" selection-start-column="27" selection-end-line="106" selection-end-column="27" />
+            <state vertical-scroll-proportion="42.962963">
+              <caret line="9" column="0" selection-start-line="9" selection-start-column="0" selection-end-line="9" selection-end-column="0" />
               <folding />
             </state>
           </provider>
@@ -85,18 +85,18 @@
       <file leaf-file-name="Map.php" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/Coffee/Map.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="-3.7037036">
-              <caret line="78" column="31" selection-start-line="78" selection-start-column="31" selection-end-line="78" selection-end-column="31" />
+            <state vertical-scroll-proportion="-45.48148">
+              <caret line="141" column="25" selection-start-line="141" selection-start-column="25" selection-end-line="141" selection-end-column="25" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="MapTest.php" pinned="false" current-in-tab="true">
+      <file leaf-file-name="MapTest.php" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/tests/MapTest.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="1.887324">
-              <caret line="71" column="10" selection-start-line="71" selection-start-column="10" selection-end-line="71" selection-end-column="10" />
+            <state vertical-scroll-proportion="-10.407408">
+              <caret line="88" column="10" selection-start-line="88" selection-start-column="10" selection-end-line="88" selection-end-column="10" />
               <folding />
             </state>
           </provider>
@@ -105,7 +105,7 @@
       <file leaf-file-name="Spot.php" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/Coffee/Spot.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="-14.0">
+            <state vertical-scroll-proportion="-3.8148148">
               <caret line="26" column="0" selection-start-line="26" selection-start-column="0" selection-end-line="26" selection-end-column="0" />
               <folding />
             </state>
@@ -153,7 +153,6 @@
         <option value="$PROJECT_DIR$/composer.json" />
         <option value="$PROJECT_DIR$/.gitignore" />
         <option value="/usr/share/nginx/html/coffeetable/tests/TableTest.php" />
-        <option value="$PROJECT_DIR$/tests/TileTest.php" />
         <option value="$PROJECT_DIR$/src/Coffee/Tile.php" />
         <option value="$PROJECT_DIR$/src/Coffee/Spot.php" />
         <option value="$PROJECT_DIR$/tests/SpotTest.php" />
@@ -161,8 +160,9 @@
         <option value="/usr/share/nginx/html/coffeetable/src/Coffee/Table.php" />
         <option value="$PROJECT_DIR$/src/Coffee/Table.php" />
         <option value="$PROJECT_DIR$/tests/TableTest.php" />
-        <option value="$PROJECT_DIR$/src/Coffee/Map.php" />
+        <option value="$PROJECT_DIR$/tests/TileTest.php" />
         <option value="$PROJECT_DIR$/tests/MapTest.php" />
+        <option value="$PROJECT_DIR$/src/Coffee/Map.php" />
       </list>
     </option>
   </component>
@@ -230,6 +230,9 @@
           <State>
             <id>CoffeeScript</id>
           </State>
+          <State>
+            <id>Control FlowPHP</id>
+          </State>
           <State>
             <id>Control flow issuesJavaScript</id>
           </State>
@@ -398,8 +401,8 @@
     <property name="options.splitter.main.proportions" value="0.3" />
     <property name="options.splitter.details.proportions" value="0.2" />
     <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="SearchEverywhereHistoryKey" value="next hi&#9;ACTION&#9;GotoNextError&#10;next&#9;ACTION&#9;GotoNextError&#10;comm cha&#9;ACTION&#9;ChangesView.Commit&#10;comple&#9;ACTION&#9;CodeCompletionGroup&#10;complet&#9;ACTION&#9;CodeCompletionGroup&#10;sear&#9;ACTION&#9;SearchEverywhere&#10;breakpoint&#9;ACTION&#9;ToggleLineBreakpoint&#10;comm ch&#9;ACTION&#9;ChangesView.Commit&#10;smart&#9;ACTION&#9;SmartTypeCompletion&#10;para&#9;ACTION&#9;IntroduceParameter&#10;keyma&#9;ACTION&#9;ChangeKeymap&#10;commit&#9;ACTION&#9;Vcs.CheckCommitMessageSpelling&#10;commit &#9;ACTION&#9;Vcs.CheckCommitMessageSpelling&#10;phpunit&#9;null&#9;null&#10;exte&#9;ACTION&#9;EditorSelectWord&#10;composer&#9;ACTION&#9;ComposerGroup&#10;test&#9;ACTION&#9;RerunTests&#10;rer&#9;ACTION&#9;RerunTests&#10;tests&#9;ACTION&#9;RerunTests&#10;hpunit&#9;ACTION&#9;PhpUnitGenerateTestMethod&#10;phpuni&#9;ACTION&#9;PhpUnitNewTest&#10;rear&#9;ACTION&#9;RearrangeCode" />
-    <property name="settings.editor.selected.configurable" value="preferences.keymap" />
+    <property name="SearchEverywhereHistoryKey" value="rearr&#9;ACTION&#9;RearrangeCode&#10;rea&#9;ACTION&#9;RearrangeCode&#10;orde&#9;null&#9;null&#10;next hi&#9;ACTION&#9;GotoNextError&#10;next&#9;ACTION&#9;GotoNextError&#10;comm cha&#9;ACTION&#9;ChangesView.Commit&#10;comple&#9;ACTION&#9;CodeCompletionGroup&#10;complet&#9;ACTION&#9;CodeCompletionGroup&#10;sear&#9;ACTION&#9;SearchEverywhere&#10;breakpoint&#9;ACTION&#9;ToggleLineBreakpoint&#10;comm ch&#9;ACTION&#9;ChangesView.Commit&#10;smart&#9;ACTION&#9;SmartTypeCompletion&#10;para&#9;ACTION&#9;IntroduceParameter&#10;keyma&#9;ACTION&#9;ChangeKeymap&#10;commit&#9;ACTION&#9;Vcs.CheckCommitMessageSpelling&#10;commit &#9;ACTION&#9;Vcs.CheckCommitMessageSpelling&#10;phpunit&#9;null&#9;null&#10;exte&#9;ACTION&#9;EditorSelectWord&#10;composer&#9;ACTION&#9;ComposerGroup&#10;test&#9;ACTION&#9;RerunTests&#10;rer&#9;ACTION&#9;RerunTests&#10;tests&#9;ACTION&#9;RerunTests&#10;hpunit&#9;ACTION&#9;PhpUnitGenerateTestMethod&#10;phpuni&#9;ACTION&#9;PhpUnitNewTest&#10;rear&#9;ACTION&#9;RearrangeCode" />
+    <property name="settings.editor.selected.configurable" value="preferences.sourceCode.PHP" />
     <property name="settings.editor.splitter.proportion" value="0.2" />
     <property name="last_opened_file_path" value="$PROJECT_DIR$" />
     <property name="last_directory_selection" value="$PROJECT_DIR$" />
@@ -556,38 +559,44 @@
       <option name="project" value="LOCAL" />
       <updated>1458204604411</updated>
     </task>
-    <option name="localTasksCounter" value="10" />
+    <task id="LOCAL-00010" summary="Implement Map.isValidPosition">
+      <created>1458207812223</created>
+      <option name="number" value="00010" />
+      <option name="project" value="LOCAL" />
+      <updated>1458207812223</updated>
+    </task>
+    <option name="localTasksCounter" value="11" />
     <servers />
   </component>
   <component name="TestHistory">
-    <history-entry file="Tests - 2016.03.17 at 09h 20m 26s.xml">
+    <history-entry file="Tests - 2016.03.17 at 10h 42m 45s.xml">
       <configuration name="Tests" configurationId="PHPUnitRunConfigurationType" />
     </history-entry>
-    <history-entry file="Tests - 2016.03.17 at 09h 45m 27s.xml">
+    <history-entry file="Tests - 2016.03.17 at 10h 43m 07s.xml">
       <configuration name="Tests" configurationId="PHPUnitRunConfigurationType" />
     </history-entry>
-    <history-entry file="Tests - 2016.03.17 at 09h 46m 35s.xml">
+    <history-entry file="Tests - 2016.03.17 at 10h 43m 18s.xml">
       <configuration name="Tests" configurationId="PHPUnitRunConfigurationType" />
     </history-entry>
-    <history-entry file="Tests - 2016.03.17 at 09h 48m 35s.xml">
+    <history-entry file="Tests - 2016.03.17 at 10h 46m 07s.xml">
       <configuration name="Tests" configurationId="PHPUnitRunConfigurationType" />
     </history-entry>
-    <history-entry file="Tests - 2016.03.17 at 09h 48m 41s.xml">
+    <history-entry file="Tests - 2016.03.17 at 10h 46m 14s.xml">
       <configuration name="Tests" configurationId="PHPUnitRunConfigurationType" />
     </history-entry>
-    <history-entry file="Tests - 2016.03.17 at 09h 49m 48s.xml">
+    <history-entry file="Tests - 2016.03.17 at 10h 48m 35s.xml">
       <configuration name="Tests" configurationId="PHPUnitRunConfigurationType" />
     </history-entry>
-    <history-entry file="Tests - 2016.03.17 at 10h 27m 41s.xml">
+    <history-entry file="Tests - 2016.03.17 at 11h 00m 06s.xml">
       <configuration name="Tests" configurationId="PHPUnitRunConfigurationType" />
     </history-entry>
-    <history-entry file="Tests - 2016.03.17 at 10h 42m 45s.xml">
+    <history-entry file="Tests - 2016.03.17 at 11h 01m 32s.xml">
       <configuration name="Tests" configurationId="PHPUnitRunConfigurationType" />
     </history-entry>
-    <history-entry file="Tests - 2016.03.17 at 10h 43m 07s.xml">
+    <history-entry file="Tests - 2016.03.17 at 11h 02m 07s.xml">
       <configuration name="Tests" configurationId="PHPUnitRunConfigurationType" />
     </history-entry>
-    <history-entry file="Tests - 2016.03.17 at 10h 43m 18s.xml">
+    <history-entry file="Tests - 2016.03.17 at 11h 03m 46s.xml">
       <configuration name="Tests" configurationId="PHPUnitRunConfigurationType" />
     </history-entry>
   </component>
@@ -599,7 +608,7 @@
       <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32917705" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="true" content_ui="tabs" />
       <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32917705" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Run" active="true" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.40149626" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Run" active="true" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.28553617" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.19375" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
       <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
@@ -660,7 +669,8 @@
     <MESSAGE value="Implement Tile.getNeighbors" />
     <MESSAGE value="Refactor Tile constructor to accept parameters&#10;" />
     <MESSAGE value="Refactor Table constructor to accept arguments" />
-    <option name="LAST_COMMIT_MESSAGE" value="Refactor Table constructor to accept arguments" />
+    <MESSAGE value="Implement Map.isValidPosition" />
+    <option name="LAST_COMMIT_MESSAGE" value="Implement Map.isValidPosition" />
     <option name="REFORMAT_BEFORE_PROJECT_COMMIT" value="true" />
   </component>
   <component name="XDebuggerManager">
@@ -991,74 +1001,74 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/Coffee/Tile.php">
+    <entry file="file://$PROJECT_DIR$/tests/SpotTest.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-60.0">
-          <caret line="124" column="55" selection-start-line="124" selection-start-column="55" selection-end-line="124" selection-end-column="55" />
+        <state vertical-scroll-proportion="-2.0">
+          <caret line="3" column="0" selection-start-line="3" selection-start-column="0" selection-end-line="3" selection-end-column="0" />
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/tests/SpotTest.php">
+    <entry file="file://$PROJECT_DIR$/tests/TableTest.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-2.0">
-          <caret line="3" column="0" selection-start-line="3" selection-start-column="0" selection-end-line="3" selection-end-column="0" />
+        <state vertical-scroll-proportion="-6.6666665">
+          <caret line="10" column="0" selection-start-line="10" selection-start-column="0" selection-end-line="10" selection-end-column="0" />
           <folding />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/Coffee/Spot.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-14.0">
+        <state vertical-scroll-proportion="-3.8148148">
           <caret line="26" column="0" selection-start-line="26" selection-start-column="0" selection-end-line="26" selection-end-column="0" />
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/tests/TileTest.php">
+    <entry file="file://$PROJECT_DIR$/src/Coffee/Tile.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-28.777779">
-          <caret line="106" column="27" selection-start-line="106" selection-start-column="27" selection-end-line="106" selection-end-column="27" />
+        <state vertical-scroll-proportion="-79.14815">
+          <caret line="124" column="55" selection-start-line="124" selection-start-column="55" selection-end-line="124" selection-end-column="55" />
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/tests/TableTest.php">
+    <entry file="file://$PROJECT_DIR$/src/Coffee/Table.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-6.6666665">
-          <caret line="10" column="0" selection-start-line="10" selection-start-column="0" selection-end-line="10" selection-end-column="0" />
+        <state vertical-scroll-proportion="-0.6666667">
+          <caret line="1" column="0" selection-start-line="1" selection-start-column="0" selection-end-line="1" selection-end-column="0" />
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/Coffee/Table.php">
+    <entry file="file://$PROJECT_DIR$/tests/TileTest.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-0.6666667">
-          <caret line="1" column="0" selection-start-line="1" selection-start-column="0" selection-end-line="1" selection-end-column="0" />
+        <state vertical-scroll-proportion="42.962963">
+          <caret line="9" column="0" selection-start-line="9" selection-start-column="0" selection-end-line="9" selection-end-column="0" />
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/index.php">
+    <entry file="file://$PROJECT_DIR$/tests/MapTest.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-4.0">
-          <caret line="6" column="5" selection-start-line="6" selection-start-column="5" selection-end-line="6" selection-end-column="5" />
+        <state vertical-scroll-proportion="-10.407408">
+          <caret line="88" column="10" selection-start-line="88" selection-start-column="10" selection-end-line="88" selection-end-column="10" />
           <folding />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/Coffee/Map.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-3.7037036">
-          <caret line="78" column="31" selection-start-line="78" selection-start-column="31" selection-end-line="78" selection-end-column="31" />
+        <state vertical-scroll-proportion="-45.48148">
+          <caret line="141" column="25" selection-start-line="141" selection-start-column="25" selection-end-line="141" selection-end-column="25" />
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/tests/MapTest.php">
+    <entry file="file://$PROJECT_DIR$/index.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="1.887324">
-          <caret line="71" column="10" selection-start-line="71" selection-start-column="10" selection-end-line="71" selection-end-column="10" />
+        <state vertical-scroll-proportion="0.10404624">
+          <caret line="6" column="5" selection-start-line="6" selection-start-column="5" selection-end-line="6" selection-end-column="5" />
           <folding />
         </state>
       </provider>
diff --git a/src/Coffee/Map.php b/src/Coffee/Map.php
index e97fea7..e70391a 100644
--- a/src/Coffee/Map.php
+++ b/src/Coffee/Map.php
@@ -21,7 +21,10 @@ class Map {
 	 */
 	private $description = [];
 
-//	private $visited = [];
+	/**
+	 * @var array
+	 */
+	private $visited = [];
 
 	/**
 	 * @var int
@@ -58,17 +61,17 @@ class Map {
 	}
 
 	/**
-	 * @return int
+	 * @param $row
+	 * @param $column
+	 * @return bool
 	 */
-	public function getHeight() {
-		return $this->height;
-	}
+	public function visitPosition($row, $column) {
+		if ($this->isValidPosition($row, $column)) {
+			$this->visited[$row][$column] = true;
+			return true;
+		}
 
-	/**
-	 * @return int
-	 */
-	public function getWidth() {
-		return $this->width;
+		return false;
 	}
 
 	/**
@@ -90,12 +93,17 @@ class Map {
 	}
 
 	/**
-	 * @param $description
 	 * @return int
 	 */
-	private function calculateMapHeight($description) {
-		// Count the level 1 array elements
-		return count($description);
+	public function getHeight() {
+		return $this->height;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getWidth() {
+		return $this->width;
 	}
 
 	/**
@@ -115,9 +123,26 @@ class Map {
 		return $widestRow;
 	}
 
-//	public function visitPosition($row, $column) {
-//
-//
-//	}
+	/**
+	 * @param $description
+	 * @return int
+	 */
+	private function calculateMapHeight($description) {
+		// Count the level 1 array elements
+		return count($description);
+	}
+
+	/**
+	 * @param $row
+	 * @param $column
+	 * @return bool
+	 */
+	public function isVisitedPosition($row, $column) {
+		if (!isset($this->visited[$row][$column])) {
+			return false;
+		}
+
+		return ($this->visited[$row][$column] == true);
+	}
 
 }
\ No newline at end of file
diff --git a/tests/MapTest.php b/tests/MapTest.php
index 42ff466..ebc85ea 100644
--- a/tests/MapTest.php
+++ b/tests/MapTest.php
@@ -65,25 +65,31 @@ class MapTest extends \PHPUnit_Framework_TestCase {
 		$map = new Map($description);
 		$this->assertFalse($map->isValidPosition(3, 4));
 	}
-//	public function testTileLiesOnTable() {
-//		$tableMap = [
-//			[1, 0],
-//			[0, 1],
-//		];
-//
-//		$table = new Table($tableMap);
-//		$tile = new Tile(0, 0);
-//		$this->assertTrue($table->couldContainTile($tile));
-//	}
-//
-//	public function testTileLiesOutsideTable() {
-//		$tableMap = [
-//			[1, 0],
-//			[0, 1],
-//		];
-//
-//		$table = new Table($tableMap);
-//		$tile = new Tile(2, 1);
-//		$this->assertFalse($table->couldContainTile($tile));
-//	}
+
+	public function testVisitedPosition() {
+		$description = [
+			[0, 1, 0, 1],
+			[1, 0, 0, 0],
+			[0, 0, 0, 1],
+			[0, 0, 0, 1]
+		];
+
+		$map = new Map($description);
+		$map->visitPosition(0, 0);
+		$this->assertTrue($map->isVisitedPosition(0, 0));
+	}
+
+	public function testNotVisitedPosition() {
+		$description = [
+			[0, 1, 0, 1],
+			[1, 0, 0, 0],
+			[0, 0, 0, 1],
+			[0, 0, 0, 1]
+		];
+
+		$map = new Map($description);
+		$map->visitPosition(0, 0);
+		$this->assertFalse($map->isVisitedPosition(4, 0));
+	}
+
 }
diff --git a/tests/TileTest.php b/tests/TileTest.php
index 78094b1..18061a7 100644
--- a/tests/TileTest.php
+++ b/tests/TileTest.php
@@ -7,8 +7,6 @@ require __DIR__ . '/../vendor/autoload.php';
 
 class TileTest extends \PHPUnit_Framework_TestCase {
 
-
-
 	public function testTheSameX() {
 		$tileA = new Tile(2, 2);
 		$tileB = new Tile(2, 2);