Added test case about SVG image

Tests/SDWebImage Tests.xcodeproj/project.pbxproj

@@ -125,6 +125,10 @@
 		3299228D2365DC6C00EAFD97 /* TestImageAnimated.apng in Resources */ = {isa = PBXBuildFile; fileRef = 327054E1206CEFF3006EA328 /* TestImageAnimated.apng */; };
 		3299228E2365DC6C00EAFD97 /* TestImageAnimated.heic in Resources */ = {isa = PBXBuildFile; fileRef = 3297A09E23374D1600814590 /* TestImageAnimated.heic */; };
 		32A571562037DB2D002EDAAE /* SDAnimatedImageTest.m in Sources */ = {isa = PBXBuildFile; fileRef = 32A571552037DB2D002EDAAE /* SDAnimatedImageTest.m */; };
+		32B4A4802C082A160004E42C /* TestImage.svg in Resources */ = {isa = PBXBuildFile; fileRef = 32B4A47F2C082A160004E42C /* TestImage.svg */; };
+		32B4A4812C082A160004E42C /* TestImage.svg in Resources */ = {isa = PBXBuildFile; fileRef = 32B4A47F2C082A160004E42C /* TestImage.svg */; };
+		32B4A4822C082A160004E42C /* TestImage.svg in Resources */ = {isa = PBXBuildFile; fileRef = 32B4A47F2C082A160004E42C /* TestImage.svg */; };
+		32B4A4832C082A160004E42C /* TestImage.svg in Resources */ = {isa = PBXBuildFile; fileRef = 32B4A47F2C082A160004E42C /* TestImage.svg */; };
 		32B99E8B203AF8690017FD66 /* SDCategoriesTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 32B99E8A203AF8690017FD66 /* SDCategoriesTests.m */; };
 		32B99E9B203B2EDD0017FD66 /* SDTestCase.m in Sources */ = {isa = PBXBuildFile; fileRef = 2D7AF05F1F329763000083C2 /* SDTestCase.m */; };
 		32B99E9C203B2EE40017FD66 /* SDCategoriesTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 32B99E8A203AF8690017FD66 /* SDCategoriesTests.m */; };
@@ -208,6 +212,7 @@
 		3299222A2365D9A100EAFD97 /* Tests TV.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = "Tests TV.xctest"; sourceTree = BUILT_PRODUCTS_DIR; };
 		3299222E2365D9A100EAFD97 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		32A571552037DB2D002EDAAE /* SDAnimatedImageTest.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = SDAnimatedImageTest.m; sourceTree = "<group>"; };
+		32B4A47F2C082A160004E42C /* TestImage.svg */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = TestImage.svg; sourceTree = "<group>"; };
 		32B99E8A203AF8690017FD66 /* SDCategoriesTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = SDCategoriesTests.m; sourceTree = "<group>"; };
 		32B99E92203B2DF90017FD66 /* Tests Mac.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = "Tests Mac.xctest"; sourceTree = BUILT_PRODUCTS_DIR; };
 		32B99E96203B2DF90017FD66 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
@@ -351,6 +356,7 @@
 				32905E63211D786E00460FCF /* TestImage.heif */,
 				3234306123E2BAC800C290C8 /* TestImage.pdf */,
 				32F788A2290D252200B57A1C /* TestImage.nef */,
+				32B4A47F2C082A160004E42C /* TestImage.svg */,
 				327054E1206CEFF3006EA328 /* TestImageAnimated.apng */,
 				3297A09E23374D1600814590 /* TestImageAnimated.heic */,
 				32515F9824AF1919005E8F79 /* TestImageAnimated.webp */,
@@ -599,6 +605,7 @@
 				32464A9E2B7B1833006BE70E /* TestImageAnimated.webp in Resources */,
 				32464A972B7B1833006BE70E /* TestImage.bmp in Resources */,
 				32464AA32B7B1833006BE70E /* TestImage.heif in Resources */,
+				32B4A4832C082A160004E42C /* TestImage.svg in Resources */,
 				32464AA12B7B1833006BE70E /* MonochromeTestImage.jpg in Resources */,
 				32464AA42B7B1833006BE70E /* TestImageLarge.png in Resources */,
 				32464A962B7B1833006BE70E /* TestImage.gif in Resources */,
@@ -628,6 +635,7 @@
 				3278F5E42B04C1AC0004A6EE /* IndexedPNG.png in Resources */,
 				329922842365DC6C00EAFD97 /* MonochromeTestImage.jpg in Resources */,
 				329922882365DC6C00EAFD97 /* TestImage.jpg in Resources */,
+				32B4A4822C082A160004E42C /* TestImage.svg in Resources */,
 				32515F9E24AF1919005E8F79 /* TestImageAnimated.webp in Resources */,
 				3299228E2365DC6C00EAFD97 /* TestImageAnimated.heic in Resources */,
 				32515F9B24AF1919005E8F79 /* TestImageStatic.webp in Resources */,
@@ -657,6 +665,7 @@
 				3278F5E32B04C1AC0004A6EE /* IndexedPNG.png in Resources */,
 				32B99EA2203B31360017FD66 /* MonochromeTestImage.jpg in Resources */,
 				32905E65211D786E00460FCF /* TestImage.heif in Resources */,
+				32B4A4812C082A160004E42C /* TestImage.svg in Resources */,
 				32515F9D24AF1919005E8F79 /* TestImageAnimated.webp in Resources */,
 				327A418D211D660600495442 /* TestImage.heic in Resources */,
 				32515F9A24AF1919005E8F79 /* TestImageStatic.webp in Resources */,
@@ -686,6 +695,7 @@
 				3278F5E22B04C1AC0004A6EE /* IndexedPNG.png in Resources */,
 				3297A09F23374D1700814590 /* TestImageAnimated.heic in Resources */,
 				327054E2206CEFF3006EA328 /* TestImageAnimated.apng in Resources */,
+				32B4A4802C082A160004E42C /* TestImage.svg in Resources */,
 				32515F9C24AF1919005E8F79 /* TestImageAnimated.webp in Resources */,
 				326E69472334C0C300B7252C /* TestLoopCount.gif in Resources */,
 				32515F9924AF1919005E8F79 /* TestImageStatic.webp in Resources */,

Tests/Tests/Images/TestImage.svg

@@ -0,0 +1,4 @@
+<svg xmlns='http://www.w3.org/2000/svg' viewBox="0 0 131 76">
+  <path d="M36,5l12,41l12-41h33v4l-13,21c30,10,2,69-21,28l7-2c15,27,33,-22,3,-19v-4l12-20h-15l-17,59h-1l-13-42l-12,42h-1l-20-67h9l12,41l8-28l-4-13h9" fill='#005A9C'/>
+  <path d="M94,53c15,32,30,14,35,7l-1-7c-16,26-32,3-34,0M122,16c-10-21-34,0-21,30c-5-30 16,-38 23,-21l5-10l-2-9"/>
+</svg>

Tests/Tests/SDImageCoderTests.m

@@ -575,6 +575,23 @@
     expect(a1).beCloseToWithin(0.33, 0.01);
 }
 
+- (void)test31ThatSVGShouldUseNativeImageClass {
+    NSURL *url = [[NSBundle bundleForClass:[self class]] URLForResource:@"TestImage" withExtension:@"svg"];
+    NSData *data = [NSData dataWithContentsOfURL:url];
+    SDAnimatedImage *animatedImage = [SDAnimatedImage imageWithData:data];
+    expect(animatedImage).beNil();
+    UIImage *image = [UIImage sd_imageWithData:data];
+    Class SVGCoderClass = NSClassFromString(@"SDImageSVGCoder");
+    if (SVGCoderClass && [SVGCoderClass sharedCoder]) {
+        expect(image).notTo.beNil();
+        // Vector version
+        expect(image.sd_isVector).beTruthy();
+    } else {
+        // Platform does not support SVG
+        expect(image).beNil();
+    }
+}
+
 #pragma mark - Utils
 
 - (void)verifyCoder:(id<SDImageCoder>)coder