Adds test cases.

.github/workflows/continuous-integration-workflow.yml

@@ -3,7 +3,7 @@ on: [push]
 
 jobs:
   build:
-    name: Build
+    name: Build and Test
     runs-on: macOS-latest
     env:
         DEVELOPER_DIR: /Applications/Xcode.app/Contents/Developer
@@ -17,6 +17,8 @@ jobs:
         run: xcodebuild -scheme McBopomofo -configuration Release build
       - name: Build
         run: xcodebuild -scheme McBopomofoInstaller -configuration Release build
+      - name: Test
+        run: xcodebuild -scheme McBopomofo -configuration Debug test
       - name: Test CandidateUI
         run: swift test
         working-directory: Packages/CandidateUI

McBopomofo.xcodeproj/project.pbxproj

@@ -55,6 +55,7 @@
 		D47F7DCE278BFB57002F9DD7 /* PreferencesWindowController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D47F7DCD278BFB57002F9DD7 /* PreferencesWindowController.swift */; };
 		D47F7DD0278C0897002F9DD7 /* NonModalAlertWindowController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D47F7DCF278C0897002F9DD7 /* NonModalAlertWindowController.swift */; };
 		D47F7DD3278C1263002F9DD7 /* UserOverrideModel.cpp in Sources */ = {isa = PBXBuildFile; fileRef = D47F7DD2278C1263002F9DD7 /* UserOverrideModel.cpp */; };
+		D485D3B92796A8A000657FF3 /* PreferencesTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D485D3B82796A8A000657FF3 /* PreferencesTests.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -72,6 +73,13 @@
 			remoteGlobalIDString = 6A0D4EA115FC0D2D00ABF4B3;
 			remoteInfo = McBopomofo;
 		};
+		D485D3BA2796A8A000657FF3 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 6A0D4E9415FC0CFA00ABF4B3 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 6A0D4EA115FC0D2D00ABF4B3;
+			remoteInfo = McBopomofo;
+		};
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
@@ -191,6 +199,8 @@
 		D47F7DCF278C0897002F9DD7 /* NonModalAlertWindowController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NonModalAlertWindowController.swift; sourceTree = "<group>"; };
 		D47F7DD1278C1263002F9DD7 /* UserOverrideModel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = UserOverrideModel.h; sourceTree = "<group>"; };
 		D47F7DD2278C1263002F9DD7 /* UserOverrideModel.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = UserOverrideModel.cpp; sourceTree = "<group>"; };
+		D485D3B62796A8A000657FF3 /* McBopomofoTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = McBopomofoTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
+		D485D3B82796A8A000657FF3 /* PreferencesTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PreferencesTests.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -218,6 +228,13 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		D485D3B32796A8A000657FF3 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
@@ -226,6 +243,7 @@
 			children = (
 				D427F766278C9CBD004A2160 /* Packages */,
 				6A0D4EC215FC0D3C00ABF4B3 /* Source */,
+				D485D3B72796A8A000657FF3 /* McBopomofoTests */,
 				6A0D4EA515FC0D2D00ABF4B3 /* Frameworks */,
 				6A0D4EA315FC0D2D00ABF4B3 /* Products */,
 			);
@@ -236,6 +254,7 @@
 			children = (
 				6A0D4EA215FC0D2D00ABF4B3 /* McBopomofo.app */,
 				6ACA41CB15FC1D7500935EF6 /* McBopomofoInstaller.app */,
+				D485D3B62796A8A000657FF3 /* McBopomofoTests.xctest */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -431,6 +450,14 @@
 			name = Packages;
 			sourceTree = "<group>";
 		};
+		D485D3B72796A8A000657FF3 /* McBopomofoTests */ = {
+			isa = PBXGroup;
+			children = (
+				D485D3B82796A8A000657FF3 /* PreferencesTests.swift */,
+			);
+			path = McBopomofoTests;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXLegacyTarget section */
@@ -499,17 +526,40 @@
 			productReference = 6ACA41CB15FC1D7500935EF6 /* McBopomofoInstaller.app */;
 			productType = "com.apple.product-type.application";
 		};
+		D485D3B52796A8A000657FF3 /* McBopomofoTests */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = D485D3BE2796A8A000657FF3 /* Build configuration list for PBXNativeTarget "McBopomofoTests" */;
+			buildPhases = (
+				D485D3B22796A8A000657FF3 /* Sources */,
+				D485D3B32796A8A000657FF3 /* Frameworks */,
+				D485D3B42796A8A000657FF3 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+				D485D3BB2796A8A000657FF3 /* PBXTargetDependency */,
+			);
+			name = McBopomofoTests;
+			productName = McBopomofoTests;
+			productReference = D485D3B62796A8A000657FF3 /* McBopomofoTests.xctest */;
+			productType = "com.apple.product-type.bundle.unit-test";
+		};
 /* End PBXNativeTarget section */
 
 /* Begin PBXProject section */
 		6A0D4E9415FC0CFA00ABF4B3 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
+				LastSwiftUpdateCheck = 1320;
 				LastUpgradeCheck = 1310;
 				TargetAttributes = {
 					6A0D4EA115FC0D2D00ABF4B3 = {
 						LastSwiftMigration = 1240;
 					};
+					D485D3B52796A8A000657FF3 = {
+						CreatedOnToolsVersion = 13.2.1;
+						TestTargetID = 6A0D4EA115FC0D2D00ABF4B3;
+					};
 				};
 			};
 			buildConfigurationList = 6A0D4E9715FC0CFA00ABF4B3 /* Build configuration list for PBXProject "McBopomofo" */;
@@ -531,6 +581,7 @@
 				6A0D4EA115FC0D2D00ABF4B3 /* McBopomofo */,
 				6ACA41CA15FC1D7500935EF6 /* McBopomofoInstaller */,
 				6A38BC2115FC12FD00A8A51F /* Data */,
+				D485D3B52796A8A000657FF3 /* McBopomofoTests */,
 			);
 		};
 /* End PBXProject section */
@@ -569,6 +620,13 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		D485D3B42796A8A000657FF3 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXShellScriptBuildPhase section */
@@ -625,6 +683,14 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		D485D3B22796A8A000657FF3 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				D485D3B92796A8A000657FF3 /* PreferencesTests.swift in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXSourcesBuildPhase section */
 
 /* Begin PBXTargetDependency section */
@@ -638,6 +704,11 @@
 			target = 6A0D4EA115FC0D2D00ABF4B3 /* McBopomofo */;
 			targetProxy = 6ACA420015FC1DCC00935EF6 /* PBXContainerItemProxy */;
 		};
+		D485D3BB2796A8A000657FF3 /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			target = 6A0D4EA115FC0D2D00ABF4B3 /* McBopomofo */;
+			targetProxy = D485D3BA2796A8A000657FF3 /* PBXContainerItemProxy */;
+		};
 /* End PBXTargetDependency section */
 
 /* Begin PBXVariantGroup section */
@@ -1044,6 +1115,88 @@
 			};
 			name = Release;
 		};
+		D485D3BC2796A8A000657FF3 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_ENABLE_OBJC_WEAK = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CODE_SIGN_STYLE = Automatic;
+				COPY_PHASE_STRIP = NO;
+				CURRENT_PROJECT_VERSION = 1;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GENERATE_INFOPLIST_FILE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 12.1;
+				MARKETING_VERSION = 1.0;
+				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
+				MTL_FAST_MATH = YES;
+				PRODUCT_BUNDLE_IDENTIFIER = com.cerence.McBopomofoTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = macosx;
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/McBopomofo.app/Contents/MacOS/McBopomofo";
+			};
+			name = Debug;
+		};
+		D485D3BD2796A8A000657FF3 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_ENABLE_OBJC_WEAK = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CODE_SIGN_STYLE = Automatic;
+				COPY_PHASE_STRIP = NO;
+				CURRENT_PROJECT_VERSION = 1;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GENERATE_INFOPLIST_FILE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 12.1;
+				MARKETING_VERSION = 1.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				MTL_FAST_MATH = YES;
+				PRODUCT_BUNDLE_IDENTIFIER = com.cerence.McBopomofoTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = macosx;
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/McBopomofo.app/Contents/MacOS/McBopomofo";
+			};
+			name = Release;
+		};
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
@@ -1083,6 +1236,15 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
+		D485D3BE2796A8A000657FF3 /* Build configuration list for PBXNativeTarget "McBopomofoTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				D485D3BC2796A8A000657FF3 /* Debug */,
+				D485D3BD2796A8A000657FF3 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
 /* End XCConfigurationList section */
 
 /* Begin XCSwiftPackageProductDependency section */

McBopomofo.xcodeproj/xcshareddata/xcschemes/McBopomofo.xcscheme

@@ -28,6 +28,16 @@
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "D485D3B52796A8A000657FF3"
+               BuildableName = "McBopomofoTests.xctest"
+               BlueprintName = "McBopomofoTests"
+               ReferencedContainer = "container:McBopomofo.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
       </Testables>
    </TestAction>
    <LaunchAction

McBopomofoTests/PreferencesTests.swift

@@ -0,0 +1,158 @@
+import XCTest
+@testable import McBopomofo
+
+class PreferencesTests: XCTestCase {
+
+    override func setUpWithError() throws {
+        Preferences.reset()
+    }
+
+    override func tearDownWithError() throws {
+        Preferences.reset()
+    }
+
+    func testKeyboardLayout() {
+        XCTAssert(Preferences.keyboardLayout == 0)
+        Preferences.keyboardLayout = 1
+        XCTAssert(Preferences.keyboardLayout == 1)
+    }
+
+    func testKeyboardLayoutName() {
+        XCTAssert(Preferences.keyboardLayoutName == "Standard")
+        Preferences.keyboardLayout = 1
+        XCTAssert(Preferences.keyboardLayoutName == "ETen")
+    }
+
+    func testBasisKeyboardLayoutPreferenceKey() {
+        XCTAssert(Preferences.basisKeyboardLayout == "com.apple.keylayout.US")
+        Preferences.basisKeyboardLayout = "com.apple.keylayout.ABC"
+        XCTAssert(Preferences.basisKeyboardLayout == "com.apple.keylayout.ABC")
+    }
+
+    func testFunctionKeyboardLayout() {
+        XCTAssert(Preferences.functionKeyboardLayout == "com.apple.keylayout.US")
+        Preferences.functionKeyboardLayout = "com.apple.keylayout.ABC"
+        XCTAssert(Preferences.functionKeyboardLayout == "com.apple.keylayout.ABC")
+    }
+
+    func testFunctionKeyKeyboardLayoutOverrideIncludeShiftKey() {
+        XCTAssert(Preferences.functionKeyKeyboardLayoutOverrideIncludeShiftKey == false)
+        Preferences.functionKeyKeyboardLayoutOverrideIncludeShiftKey = true
+        XCTAssert(Preferences.functionKeyKeyboardLayoutOverrideIncludeShiftKey == true)
+    }
+
+    func testCandidateTextSize() {
+        XCTAssert(Preferences.candidateListTextSize == 16)
+
+        Preferences.candidateListTextSize = 18
+        XCTAssert(Preferences.candidateListTextSize == 18)
+
+        Preferences.candidateListTextSize = 11
+        XCTAssert(Preferences.candidateListTextSize == 12)
+        Preferences.candidateListTextSize = 197
+        XCTAssert(Preferences.candidateListTextSize == 196)
+
+        Preferences.candidateListTextSize = 12
+        XCTAssert(Preferences.candidateListTextSize == 12)
+        Preferences.candidateListTextSize = 196
+        XCTAssert(Preferences.candidateListTextSize == 196)
+
+        Preferences.candidateListTextSize = 13
+        XCTAssert(Preferences.candidateListTextSize == 13)
+        Preferences.candidateListTextSize = 195
+        XCTAssert(Preferences.candidateListTextSize == 195)
+    }
+
+    func testSelectPhraseAfterCursorAsCandidate() {
+        XCTAssert(Preferences.selectPhraseAfterCursorAsCandidate == false)
+        Preferences.selectPhraseAfterCursorAsCandidate = true
+        XCTAssert(Preferences.selectPhraseAfterCursorAsCandidate == true)
+    }
+
+    func testUseHorizontalCandidateList() {
+        XCTAssert(Preferences.useHorizontalCandidateList == false)
+        Preferences.useHorizontalCandidateList = true
+        XCTAssert(Preferences.useHorizontalCandidateList == true)
+    }
+
+    func testComposingBufferSize() {
+        XCTAssert(Preferences.composingBufferSize == 10)
+        Preferences.composingBufferSize = 4
+        XCTAssert(Preferences.composingBufferSize == 4)
+        Preferences.composingBufferSize = 20
+        XCTAssert(Preferences.composingBufferSize == 20)
+        Preferences.composingBufferSize = 3
+        XCTAssert(Preferences.composingBufferSize == 4)
+        Preferences.composingBufferSize = 21
+        XCTAssert(Preferences.composingBufferSize == 20)
+        Preferences.composingBufferSize = 5
+        XCTAssert(Preferences.composingBufferSize == 5)
+        Preferences.composingBufferSize = 19
+        XCTAssert(Preferences.composingBufferSize == 19)
+    }
+
+    func testChooseCandidateUsingSpace() {
+        XCTAssert(Preferences.chooseCandidateUsingSpace == true)
+        Preferences.chooseCandidateUsingSpace = false
+        XCTAssert(Preferences.chooseCandidateUsingSpace == false)
+    }
+
+    func testChineseConversionEnabled() {
+        XCTAssert(Preferences.chineseConversionEnabled == false)
+        Preferences.chineseConversionEnabled = true
+        XCTAssert(Preferences.chineseConversionEnabled == true)
+        _ = Preferences.toggleChineseConversionEnabled()
+        XCTAssert(Preferences.chineseConversionEnabled == false)
+    }
+
+    func testHalfWidthPunctuationEnabled() {
+        XCTAssert(Preferences.halfWidthPunctuationEnabled == false)
+        Preferences.halfWidthPunctuationEnabled = true
+        XCTAssert(Preferences.halfWidthPunctuationEnabled == true)
+        _ = Preferences.toggleHalfWidthPunctuationEnabled()
+        XCTAssert(Preferences.halfWidthPunctuationEnabled == false)
+    }
+
+    func testEscToCleanInputBuffer() {
+        XCTAssert(Preferences.escToCleanInputBuffer == false)
+        Preferences.escToCleanInputBuffer = true
+        XCTAssert(Preferences.escToCleanInputBuffer == true)
+    }
+
+    func testCandidateTextFontName() {
+        XCTAssert(Preferences.candidateTextFontName == nil)
+        Preferences.candidateTextFontName = "Helvetica"
+        XCTAssert(Preferences.candidateTextFontName == "Helvetica")
+    }
+
+    func testCandidateKeyLabelFontName() {
+        XCTAssert(Preferences.candidateKeyLabelFontName == nil)
+        Preferences.candidateKeyLabelFontName = "Helvetica"
+        XCTAssert(Preferences.candidateKeyLabelFontName == "Helvetica")
+    }
+
+    func testCandidateKeys() {
+        XCTAssert(Preferences.candidateKeys == Preferences.defaultCandidateKeys)
+        Preferences.candidateKeys = "abcd"
+        XCTAssert(Preferences.candidateKeys == "abcd")
+    }
+
+    func testPhraseReplacementEnabledKey() {
+        XCTAssert(Preferences.phraseReplacementEnabled == false)
+        Preferences.phraseReplacementEnabled = true
+        XCTAssert(Preferences.phraseReplacementEnabled == true)
+    }
+
+    func testChineneConversionEngine() {
+        XCTAssert(Preferences.chineneConversionEngine == 0)
+        Preferences.chineneConversionEngine = 1
+        XCTAssert(Preferences.chineneConversionEngine == 1)
+    }
+
+    func testChineseConversionStyle() {
+        XCTAssert(Preferences.chineseConversionStyle == 0)
+        Preferences.chineseConversionStyle = 1
+        XCTAssert(Preferences.chineseConversionStyle == 1)
+    }
+
+}

Source/InputMethodController.mm

@@ -1518,13 +1518,13 @@ NS_INLINE size_t max(size_t a, size_t b) { return a > b ? a : b; }
 {
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wunused-result"
-    [Preferences toogleHalfWidthPunctuationEnabled];
+    [Preferences toggleHalfWidthPunctuationEnabled];
 #pragma GCC diagnostic pop
 }
 
 - (void)togglePhraseReplacementEnabled:(id)sender
 {
-    BOOL enabled = [Preferences tooglePhraseReplacementEnabled];
+    BOOL enabled = [Preferences togglePhraseReplacementEnabled];
     McBopomofoLM *lm = [LanguageModelManager languageModelMcBopomofo];
     lm->setPhraseReplacementEnabled(enabled);
 }

Source/Preferences.swift

@@ -55,7 +55,6 @@ private let kChineseConversionEngineKey = "ChineseConversionEngine"
 private let kChineseConversionStyle = "ChineseConversionStyle"
 
 private let kDefaultCandidateListTextSize: CGFloat = 16
-private let kMinKeyLabelSize: CGFloat = 10
 private let kMinCandidateListTextSize: CGFloat = 12
 private let kMaxCandidateListTextSize: CGFloat = 196
 
@@ -205,6 +204,28 @@ struct ComposingBufferSize {
 // MARK: -
 
 class Preferences: NSObject {
+    static func reset() {
+        let defaults = UserDefaults.standard
+        defaults.removeObject(forKey: kKeyboardLayoutPreferenceKey)
+        defaults.removeObject(forKey: kBasisKeyboardLayoutPreferenceKey)
+        defaults.removeObject(forKey: kFunctionKeyKeyboardLayoutPreferenceKey)
+        defaults.removeObject(forKey: kFunctionKeyKeyboardLayoutOverrideIncludeShiftKey)
+        defaults.removeObject(forKey: kCandidateListTextSizeKey)
+        defaults.removeObject(forKey: kSelectPhraseAfterCursorAsCandidatePreferenceKey)
+        defaults.removeObject(forKey: kUseHorizontalCandidateListPreferenceKey)
+        defaults.removeObject(forKey: kComposingBufferSizePreferenceKey)
+        defaults.removeObject(forKey: kChooseCandidateUsingSpaceKey)
+        defaults.removeObject(forKey: kChineseConversionEnabledKey)
+        defaults.removeObject(forKey: kHalfWidthPunctuationEnabledKey)
+        defaults.removeObject(forKey: kEscToCleanInputBufferKey)
+        defaults.removeObject(forKey: kCandidateTextFontName)
+        defaults.removeObject(forKey: kCandidateKeyLabelFontName)
+        defaults.removeObject(forKey: kCandidateKeys)
+        defaults.removeObject(forKey: kPhraseReplacementEnabledKey)
+        defaults.removeObject(forKey: kChineseConversionEngineKey)
+        defaults.removeObject(forKey: kChineseConversionStyle)
+    }
+
     @UserDefault(key: kKeyboardLayoutPreferenceKey, defaultValue: 0)
     @objc static var keyboardLayout: Int
 
@@ -247,7 +268,7 @@ class Preferences: NSObject {
     @UserDefault(key: kHalfWidthPunctuationEnabledKey, defaultValue: false)
     @objc static var halfWidthPunctuationEnabled: Bool
 
-    @objc static func toogleHalfWidthPunctuationEnabled() -> Bool {
+    @objc static func toggleHalfWidthPunctuationEnabled() -> Bool {
         halfWidthPunctuationEnabled = !halfWidthPunctuationEnabled
         return halfWidthPunctuationEnabled;
     }
@@ -326,7 +347,7 @@ class Preferences: NSObject {
     @UserDefault(key: kPhraseReplacementEnabledKey, defaultValue: false)
     @objc static var phraseReplacementEnabled: Bool
 
-    @objc static func tooglePhraseReplacementEnabled() -> Bool {
+    @objc static func togglePhraseReplacementEnabled() -> Bool {
         phraseReplacementEnabled = !phraseReplacementEnabled
         return phraseReplacementEnabled;
     }