diff --git a/.travis.yml b/.travis.yml
index 739422b..04ba88e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode8.2
+osx_image: xcode9
 before_script:
   - export LANG=en_US.UTF-8
 script:
diff --git a/Polyline.xcodeproj/project.pbxproj b/Polyline.xcodeproj/project.pbxproj
index 0331f04..642080c 100644
--- a/Polyline.xcodeproj/project.pbxproj
+++ b/Polyline.xcodeproj/project.pbxproj
@@ -363,16 +363,16 @@
 			attributes = {
 				LastSwiftMigration = 0700;
 				LastSwiftUpdateCheck = 0730;
-				LastUpgradeCheck = 0800;
+				LastUpgradeCheck = 0900;
 				ORGANIZATIONNAME = "Raphael MOR";
 				TargetAttributes = {
 					207F63FD19B5DF7E005261FA = {
 						CreatedOnToolsVersion = 6.0;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 0900;
 					};
 					207F640819B5DF7E005261FA = {
 						CreatedOnToolsVersion = 6.0;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 0900;
 					};
 					91F7832B1CE4EB7E004E87E3 = {
 						CreatedOnToolsVersion = 7.3.1;
@@ -554,14 +554,20 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -606,14 +612,20 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -659,7 +671,7 @@
 				SKIP_INSTALL = YES;
 				SWIFT_OBJC_BRIDGING_HEADER = "";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -679,7 +691,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OBJC_BRIDGING_HEADER = "";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};
@@ -694,7 +706,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.ramoapps.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -705,7 +717,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.ramoapps.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};
@@ -729,7 +741,7 @@
 				PRODUCT_NAME = Polyline;
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -754,7 +766,7 @@
 				PRODUCT_NAME = Polyline;
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};
@@ -771,7 +783,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramoapps.PolylineTests;
 				PRODUCT_NAME = PolylineTests;
 				SDKROOT = macosx;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -789,7 +801,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramoapps.PolylineTests;
 				PRODUCT_NAME = PolylineTests;
 				SDKROOT = macosx;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};
@@ -811,7 +823,7 @@
 				PRODUCT_NAME = Polyline;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
@@ -836,7 +848,7 @@
 				PRODUCT_NAME = Polyline;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
@@ -853,7 +865,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramoapps.PolylineTests;
 				PRODUCT_NAME = PolylineTests;
 				SDKROOT = appletvos;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
 			name = Debug;
@@ -870,7 +882,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramoapps.PolylineTests;
 				PRODUCT_NAME = PolylineTests;
 				SDKROOT = appletvos;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
 			name = Release;
@@ -894,7 +906,7 @@
 				PRODUCT_NAME = Polyline;
 				SDKROOT = watchos;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = 4;
 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
 			};
@@ -920,7 +932,7 @@
 				PRODUCT_NAME = Polyline;
 				SDKROOT = watchos;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = 4;
 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
 			};
diff --git a/Polyline.xcodeproj/xcshareddata/xcschemes/Polyline.xcscheme b/Polyline.xcodeproj/xcshareddata/xcschemes/Polyline.xcscheme
index 914e498..e0adf34 100644
--- a/Polyline.xcodeproj/xcshareddata/xcschemes/Polyline.xcscheme
+++ b/Polyline.xcodeproj/xcshareddata/xcschemes/Polyline.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES"
       codeCoverageEnabled = "YES">
       <Testables>
@@ -56,6 +57,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
diff --git a/Polyline.xcodeproj/xcshareddata/xcschemes/PolylineMac.xcscheme b/Polyline.xcodeproj/xcshareddata/xcschemes/PolylineMac.xcscheme
index b6bfa39..7a6f795 100644
--- a/Polyline.xcodeproj/xcshareddata/xcschemes/PolylineMac.xcscheme
+++ b/Polyline.xcodeproj/xcshareddata/xcschemes/PolylineMac.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference
@@ -55,6 +56,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
diff --git a/Polyline.xcodeproj/xcshareddata/xcschemes/PolylineTV.xcscheme b/Polyline.xcodeproj/xcshareddata/xcschemes/PolylineTV.xcscheme
index fcff33a..dbea32f 100644
--- a/Polyline.xcodeproj/xcshareddata/xcschemes/PolylineTV.xcscheme
+++ b/Polyline.xcodeproj/xcshareddata/xcschemes/PolylineTV.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference
@@ -55,6 +56,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
diff --git a/Polyline.xcodeproj/xcshareddata/xcschemes/PolylineWatch.xcscheme b/Polyline.xcodeproj/xcshareddata/xcschemes/PolylineWatch.xcscheme
index 06f276b..86b72b5 100644
--- a/Polyline.xcodeproj/xcshareddata/xcschemes/PolylineWatch.xcscheme
+++ b/Polyline.xcodeproj/xcshareddata/xcschemes/PolylineWatch.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0820"
+   LastUpgradeVersion = "0900"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
@@ -36,6 +37,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
diff --git a/Polyline/Polyline.swift b/Polyline/Polyline.swift
index 5581afc..0bcacc2 100644
--- a/Polyline/Polyline.swift
+++ b/Polyline/Polyline.swift
@@ -331,7 +331,7 @@ private func extractNextChunk(_ encodedString: inout String.UnicodeScalarView) t
         let currentCharacterValue = Int32(encodedString[currentIndex].value)
         if isSeparator(currentCharacterValue) {
             let extractedScalars = encodedString[encodedString.startIndex...currentIndex]
-            encodedString = encodedString[encodedString.index(after: currentIndex)..<encodedString.endIndex]
+            encodedString = String.UnicodeScalarView(encodedString[encodedString.index(after: currentIndex)..<encodedString.endIndex])
             
             return String(extractedScalars)
         }
diff --git a/PolylineTests/FunctionalPolylineTests.swift b/PolylineTests/FunctionalPolylineTests.swift
index 45913a2..e459a75 100644
--- a/PolylineTests/FunctionalPolylineTests.swift
+++ b/PolylineTests/FunctionalPolylineTests.swift
@@ -108,24 +108,24 @@ class FunctionalPolylineTests : XCTestCase {
         let coordinates: [CLLocationCoordinate2D] = decodePolyline("_p~iF~ps|U_ulLnnqC_mqNvxq`@")!
         
         XCTAssertEqual(coordinates.count, 3)
-        XCTAssertEqualWithAccuracy(coordinates[0].latitude, 38.5, accuracy: COORD_EPSILON)
-        XCTAssertEqualWithAccuracy(coordinates[0].longitude, -120.2, accuracy: COORD_EPSILON)
-        XCTAssertEqualWithAccuracy(coordinates[1].latitude, 40.7, accuracy: COORD_EPSILON)
-        XCTAssertEqualWithAccuracy(coordinates[1].longitude, -120.95, accuracy: COORD_EPSILON)
-        XCTAssertEqualWithAccuracy(coordinates[2].latitude, 43.252, accuracy: COORD_EPSILON)
-        XCTAssertEqualWithAccuracy(coordinates[2].longitude, -126.453, accuracy: COORD_EPSILON)
+        XCTAssertEqual(coordinates[0].latitude, 38.5, accuracy: COORD_EPSILON)
+        XCTAssertEqual(coordinates[0].longitude, -120.2, accuracy: COORD_EPSILON)
+        XCTAssertEqual(coordinates[1].latitude, 40.7, accuracy: COORD_EPSILON)
+        XCTAssertEqual(coordinates[1].longitude, -120.95, accuracy: COORD_EPSILON)
+        XCTAssertEqual(coordinates[2].latitude, 43.252, accuracy: COORD_EPSILON)
+        XCTAssertEqual(coordinates[2].longitude, -126.453, accuracy: COORD_EPSILON)
     }
     
     func testAnotherValidPolylineShouldReturnValidLocationArray() {
         let coordinates: [CLLocationCoordinate2D] = decodePolyline("_ojiHa`tLh{IdCw{Gwc_@")!
         
         XCTAssertEqual(coordinates.count, 3)
-        XCTAssertEqualWithAccuracy(coordinates[0].latitude, 48.8832,  accuracy: COORD_EPSILON)
-        XCTAssertEqualWithAccuracy(coordinates[0].longitude, 2.23761, accuracy: COORD_EPSILON)
-        XCTAssertEqualWithAccuracy(coordinates[1].latitude, 48.82747, accuracy: COORD_EPSILON)
-        XCTAssertEqualWithAccuracy(coordinates[1].longitude, 2.23694, accuracy: COORD_EPSILON)
-        XCTAssertEqualWithAccuracy(coordinates[2].latitude, 48.87303, accuracy: COORD_EPSILON)
-        XCTAssertEqualWithAccuracy(coordinates[2].longitude, 2.40154, accuracy: COORD_EPSILON)
+        XCTAssertEqual(coordinates[0].latitude, 48.8832,  accuracy: COORD_EPSILON)
+        XCTAssertEqual(coordinates[0].longitude, 2.23761, accuracy: COORD_EPSILON)
+        XCTAssertEqual(coordinates[1].latitude, 48.82747, accuracy: COORD_EPSILON)
+        XCTAssertEqual(coordinates[1].longitude, 2.23694, accuracy: COORD_EPSILON)
+        XCTAssertEqual(coordinates[2].latitude, 48.87303, accuracy: COORD_EPSILON)
+        XCTAssertEqual(coordinates[2].longitude, 2.40154, accuracy: COORD_EPSILON)
     }
     
     // MARK:- Encoding levels
diff --git a/PolylineTests/PolylineTests.swift b/PolylineTests/PolylineTests.swift
index 5570a10..89f2ea5 100644
--- a/PolylineTests/PolylineTests.swift
+++ b/PolylineTests/PolylineTests.swift
@@ -148,12 +148,12 @@ class PolylineTests:XCTestCase {
         let coordinates = sut.coordinates!
         
         XCTAssertEqual(coordinates.count, 3)
-        XCTAssertEqualWithAccuracy(coordinates[0].latitude, 38.5, accuracy: COORD_EPSILON_1e5)
-        XCTAssertEqualWithAccuracy(coordinates[0].longitude, -120.2, accuracy: COORD_EPSILON_1e5)
-        XCTAssertEqualWithAccuracy(coordinates[1].latitude, 40.7, accuracy: COORD_EPSILON_1e5)
-        XCTAssertEqualWithAccuracy(coordinates[1].longitude, -120.95, accuracy: COORD_EPSILON_1e5)
-        XCTAssertEqualWithAccuracy(coordinates[2].latitude, 43.252, accuracy: COORD_EPSILON_1e5)
-        XCTAssertEqualWithAccuracy(coordinates[2].longitude, -126.453, accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[0].latitude, 38.5, accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[0].longitude, -120.2, accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[1].latitude, 40.7, accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[1].longitude, -120.95, accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[2].latitude, 43.252, accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[2].longitude, -126.453, accuracy: COORD_EPSILON_1e5)
     }
 
     func testAnotherValidPolylineShouldReturnValidLocationArray() {
@@ -162,12 +162,12 @@ class PolylineTests:XCTestCase {
         let coordinates = sut.coordinates!
         
         XCTAssertEqual(coordinates.count, 3)
-        XCTAssertEqualWithAccuracy(coordinates[0].latitude, 48.8832,  accuracy: COORD_EPSILON_1e5)
-        XCTAssertEqualWithAccuracy(coordinates[0].longitude, 2.23761, accuracy: COORD_EPSILON_1e5)
-        XCTAssertEqualWithAccuracy(coordinates[1].latitude, 48.82747, accuracy: COORD_EPSILON_1e5)
-        XCTAssertEqualWithAccuracy(coordinates[1].longitude, 2.23694, accuracy: COORD_EPSILON_1e5)
-        XCTAssertEqualWithAccuracy(coordinates[2].latitude, 48.87303, accuracy: COORD_EPSILON_1e5)
-        XCTAssertEqualWithAccuracy(coordinates[2].longitude, 2.40154, accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[0].latitude, 48.8832,  accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[0].longitude, 2.23761, accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[1].latitude, 48.82747, accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[1].longitude, 2.23694, accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[2].latitude, 48.87303, accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[2].longitude, 2.40154, accuracy: COORD_EPSILON_1e5)
     }
 
     func testPrecisionShouldBeUsedProperlyInDecoding() {
@@ -177,21 +177,21 @@ class PolylineTests:XCTestCase {
         var coordinates = sut.coordinates!
         
         XCTAssertEqual(coordinates.count, 1)
-        XCTAssertEqualWithAccuracy(coordinates[0].latitude, 10.1234567,  accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[0].latitude, 10.1234567,  accuracy: COORD_EPSILON_1e5)
         
         sut = Polyline(encodedPolyline: "sfx|@sfx|@", precision: 1e5)
         
         coordinates = sut.coordinates!
         
         XCTAssertEqual(coordinates.count, 1)
-        XCTAssertEqualWithAccuracy(coordinates[0].latitude, 10.1234567, accuracy: COORD_EPSILON_1e5)
+        XCTAssertEqual(coordinates[0].latitude, 10.1234567, accuracy: COORD_EPSILON_1e5)
         
         sut = Polyline(encodedPolyline: "ak{hRak{hR", precision: 1e6)
 
         coordinates = sut.coordinates!
         
         XCTAssertEqual(coordinates.count, 1)
-        XCTAssertEqualWithAccuracy(coordinates[0].latitude, 10.1234567, accuracy: COORD_EPSILON_1e6)
+        XCTAssertEqual(coordinates[0].latitude, 10.1234567, accuracy: COORD_EPSILON_1e6)
         
     }
 
@@ -282,8 +282,8 @@ class PolylineTests:XCTestCase {
         let sut : [CLLocationCoordinate2D] = decodePolyline(encoded, precision: 1e6)!
         
         XCTAssertEqual(sut.count, 30)
-        XCTAssertEqualWithAccuracy(sut[0].latitude, 37.332111, accuracy: COORD_EPSILON_1e6)
-        XCTAssertEqualWithAccuracy(sut[0].longitude, -122.030762, accuracy: COORD_EPSILON_1e6)
+        XCTAssertEqual(sut[0].latitude, 37.332111, accuracy: COORD_EPSILON_1e6)
+        XCTAssertEqual(sut[0].longitude, -122.030762, accuracy: COORD_EPSILON_1e6)
     }
     
     // Github Issue 8