diff --git a/.idea/atom.iml b/.idea/atom.iml
new file mode 100644
index 000000000..d6ebd4805
--- /dev/null
+++ b/.idea/atom.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 000000000..0be03f464
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="StandardJS" enabled="true" level="ERROR" enabled_by_default="true" />
+  </profile>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 000000000..28a804d89
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 000000000..2a1aa1406
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/atom.iml" filepath="$PROJECT_DIR$/.idea/atom.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 000000000..35eb1ddfb
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 000000000..7b509ceb3
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,378 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="6f05c595-6ee3-4354-9c81-63b5250351bf" name="Default" comment="">
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/spec/pane-container-element-spec.coffee" afterPath="$PROJECT_DIR$/spec/pane-container-element-spec.coffee" />
+    </list>
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="TRACKING_ENABLED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileEditorManager">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file leaf-file-name="linux.cson" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/keymaps/linux.cson">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="449">
+              <caret line="147" column="0" lean-forward="true" selection-start-line="147" selection-start-column="0" selection-end-line="147" selection-end-column="0" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="pane.js" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/src/pane.js">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="396">
+              <caret line="162" column="29" lean-forward="true" selection-start-line="162" selection-start-column="29" selection-end-line="162" selection-end-column="29" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="register-default-commands.coffee" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/register-default-commands.coffee">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="257">
+              <caret line="116" column="46" lean-forward="true" selection-start-line="116" selection-start-column="46" selection-end-line="116" selection-end-column="46" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="pane-container-element-spec.coffee" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/spec/pane-container-element-spec.coffee">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="-456">
+              <caret line="206" column="30" lean-forward="true" selection-start-line="206" selection-start-column="30" selection-end-line="206" selection-end-column="30" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="pane-container.js" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/pane-container.js">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="238">
+              <caret line="203" column="56" lean-forward="false" selection-start-line="203" selection-start-column="53" selection-end-line="203" selection-end-column="56" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="FindInProjectRecents">
+    <findStrings>
+      <find>ctrl-alt--</find>
+      <find>pane:decrease-size</find>
+      <find>getFl</find>
+      <find>getCon</find>
+      <find>didAddPane</find>
+      <find>getF</find>
+      <find>len</find>
+      <find>describe</find>
+    </findStrings>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="GradleLocalSettings">
+    <option name="externalProjectsViewState">
+      <projects_view />
+    </option>
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/keymaps/linux.cson" />
+        <option value="$PROJECT_DIR$/spec/pane-container-element-spec.coffee" />
+        <option value="$PROJECT_DIR$/src/pane.js" />
+      </list>
+    </option>
+  </component>
+  <component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
+  </component>
+  <component name="NodeModulesDirectoryManager">
+    <handled-path value="$PROJECT_DIR$/apm/node_modules" />
+    <handled-path value="$PROJECT_DIR$/node_modules" />
+    <handled-path value="$PROJECT_DIR$/script/node_modules" />
+    <handled-path value="$PROJECT_DIR$/spec/fixtures/packages/package-with-ignored-incompatible-native-module/node_modules" />
+    <handled-path value="$PROJECT_DIR$/spec/fixtures/packages/package-with-incompatible-native-module/node_modules" />
+  </component>
+  <component name="ProjectFrameBounds" extendedState="6">
+    <option name="x" value="2190" />
+    <option name="y" value="-4" />
+    <option name="width" value="1535" />
+    <option name="height" value="876" />
+  </component>
+  <component name="ProjectView">
+    <navigator currentView="ProjectPane" proportions="" version="1">
+      <flattenPackages />
+      <showMembers />
+      <showModules />
+      <showLibraryContents />
+      <hideEmptyPackages />
+      <abbreviatePackageNames />
+      <autoscrollToSource />
+      <autoscrollFromSource />
+      <sortByType />
+      <manualOrder />
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="AndroidView" />
+      <pane id="Scratches" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="atom" type="b2602c69:ProjectViewProjectNode" />
+              <item name="atom" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="atom" type="b2602c69:ProjectViewProjectNode" />
+              <item name="atom" type="462c0819:PsiDirectoryNode" />
+              <item name="keymaps" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="atom" type="b2602c69:ProjectViewProjectNode" />
+              <item name="atom" type="462c0819:PsiDirectoryNode" />
+              <item name="spec" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+      <pane id="PackagesPane" />
+      <pane id="Scope" />
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="nodejs_interpreter_path" value="/usr/bin/node" />
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="aspect.path.notification.shown" value="true" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="node.js.path.for.package.eslint" value="project" />
+    <property name="node.js.detected.package.eslint" value="true" />
+    <property name="node.js.selected.package.eslint" value="" />
+    <property name="nodejs.mocha.mocha_node_package_dir" value="$PROJECT_DIR$/node_modules/mocha" />
+    <property name="node.js.path.for.package.standard" value="project" />
+    <property name="node.js.detected.package.standard" value="true" />
+    <property name="node.js.selected.package.standard" value="$PROJECT_DIR$/script/node_modules/standard" />
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="RunManager">
+    <configuration default="true" type="Applet" factoryName="Applet">
+      <option name="HTML_USED" value="false" />
+      <option name="WIDTH" value="400" />
+      <option name="HEIGHT" value="300" />
+      <option name="POLICY_FILE" value="$APPLICATION_HOME_DIR$/bin/appletviewer.policy" />
+      <module />
+    </configuration>
+    <configuration default="true" type="Application" factoryName="Application">
+      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
+      <option name="MAIN_CLASS_NAME" />
+      <option name="VM_PARAMETERS" />
+      <option name="PROGRAM_PARAMETERS" />
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
+      <option name="ENABLE_SWING_INSPECTOR" value="false" />
+      <option name="ENV_VARIABLES" />
+      <option name="PASS_PARENT_ENVS" value="true" />
+      <module name="" />
+      <envs />
+    </configuration>
+    <configuration default="true" type="JUnit" factoryName="JUnit">
+      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
+      <module name="" />
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
+      <option name="PACKAGE_NAME" />
+      <option name="MAIN_CLASS_NAME" />
+      <option name="METHOD_NAME" />
+      <option name="TEST_OBJECT" value="class" />
+      <option name="VM_PARAMETERS" value="-ea" />
+      <option name="PARAMETERS" />
+      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
+      <option name="ENV_VARIABLES" />
+      <option name="PASS_PARENT_ENVS" value="true" />
+      <option name="TEST_SEARCH_SCOPE">
+        <value defaultName="singleModule" />
+      </option>
+      <envs />
+      <patterns />
+    </configuration>
+    <configuration default="true" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType" factoryName="Plugin">
+      <module name="" />
+      <option name="VM_PARAMETERS" value="-Xmx512m -Xms256m -XX:MaxPermSize=250m -ea" />
+      <option name="PROGRAM_PARAMETERS" />
+      <predefined_log_file id="idea.log" enabled="true" />
+    </configuration>
+    <configuration default="true" type="Remote" factoryName="Remote">
+      <option name="USE_SOCKET_TRANSPORT" value="true" />
+      <option name="SERVER_MODE" value="false" />
+      <option name="SHMEM_ADDRESS" value="javadebug" />
+      <option name="HOST" value="localhost" />
+      <option name="PORT" value="5005" />
+    </configuration>
+    <configuration default="true" type="TestNG" factoryName="TestNG">
+      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
+      <module name="" />
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
+      <option name="SUITE_NAME" />
+      <option name="PACKAGE_NAME" />
+      <option name="MAIN_CLASS_NAME" />
+      <option name="METHOD_NAME" />
+      <option name="GROUP_NAME" />
+      <option name="TEST_OBJECT" value="CLASS" />
+      <option name="VM_PARAMETERS" value="-ea" />
+      <option name="PARAMETERS" />
+      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
+      <option name="OUTPUT_DIRECTORY" />
+      <option name="ANNOTATION_TYPE" />
+      <option name="ENV_VARIABLES" />
+      <option name="PASS_PARENT_ENVS" value="true" />
+      <option name="TEST_SEARCH_SCOPE">
+        <value defaultName="singleModule" />
+      </option>
+      <option name="USE_DEFAULT_REPORTERS" value="false" />
+      <option name="PROPERTIES_FILE" />
+      <envs />
+      <properties />
+      <listeners />
+    </configuration>
+  </component>
+  <component name="ShelveChangesManager" show_recycled="false">
+    <option name="remove_strategy" value="false" />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="6f05c595-6ee3-4354-9c81-63b5250351bf" name="Default" comment="" />
+      <created>1513798797127</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1513798797127</updated>
+      <workItem from="1513798811609" duration="592000" />
+      <workItem from="1513883116096" duration="5630000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TimeTrackingManager">
+    <option name="totallyTimeSpent" value="6222000" />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="2190" y="-4" width="1537" height="912" extended-state="6" />
+    <editor active="true" />
+    <layout>
+      <window_info id="Palette" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
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+      <window_info id="UI Designer" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
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+  <component name="VcsContentAnnotationSettings">
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+          <caret line="147" column="0" lean-forward="true" selection-start-line="147" selection-start-column="0" selection-end-line="147" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/register-default-commands.coffee">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="257">
+          <caret line="116" column="46" lean-forward="true" selection-start-line="116" selection-start-column="46" selection-end-line="116" selection-end-column="46" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/pane-container.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="238">
+          <caret line="203" column="56" lean-forward="false" selection-start-line="203" selection-start-column="53" selection-end-line="203" selection-end-column="56" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/spec/pane-container-element-spec.coffee">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-456">
+          <caret line="206" column="30" lean-forward="true" selection-start-line="206" selection-start-column="30" selection-end-line="206" selection-end-column="30" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/pane.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="396">
+          <caret line="162" column="29" lean-forward="true" selection-start-line="162" selection-start-column="29" selection-end-line="162" selection-end-column="29" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+  </component>
+</project>
\ No newline at end of file
diff --git a/spec/pane-container-element-spec.coffee b/spec/pane-container-element-spec.coffee
index 21c1d000a..61d32db4f 100644
--- a/spec/pane-container-element-spec.coffee
+++ b/spec/pane-container-element-spec.coffee
@@ -237,3 +237,30 @@ describe "PaneContainerElement", ->
         atom.commands.dispatch(rightPane.getElement(), 'pane:decrease-size')
         expect(leftPane.getFlexScale()).toBe 1/1.1
         expect(rightPane.getFlexScale()).toBe 1/1.1
+
+  describe "one pane resizing", ->
+    [singlePane] = []
+
+    beforeEach ->
+      container = new PaneContainer(params)
+      singlePane = container.getActivePane()
+
+    describe "when pane:increase-size is triggered", ->
+      it "increases the size of the pane", ->
+        expect(singlePane.getFlexScale()).toBe 1
+
+        atom.commands.dispatch(singlePane.getElement(), 'pane:increase-size')
+        expect(singlePane.getFlexScale()).toBe 1
+
+        atom.commands.dispatch(singlePane.getElement(), 'pane:increase-size')
+        expect(singlePane.getFlexScale()).toBe 1
+
+    describe "when pane:decrease-size is triggered", ->
+      it "decreases the size of the pane", ->
+        expect(singlePane.getFlexScale()).toBe 1
+
+        atom.commands.dispatch(singlePane.getElement(), 'pane:decrease-size')
+        expect(singlePane.getFlexScale()).toBe 1
+
+        atom.commands.dispatch(singlePane.getElement(), 'pane:decrease-size')
+        expect(singlePane.getFlexScale()).toBe 1
\ No newline at end of file