Added the test case `testWebPDecodeDoesNotTriggerCACopyImage`

Tests/SDWebImageWebPCoderTests.m

@@ -218,6 +218,18 @@ const int64_t kAsyncTestTimeout = 5;
     XCTAssertLessThanOrEqual(dataWithLimit.length, maxFileSize);
 }
 
+- (void)testWebPDecodeDoesNotTriggerCACopyImage {
+    NSURL *staticWebPURL = [[NSBundle bundleForClass:[self class]] URLForResource:@"TestColorspaceStatic" withExtension:@"webp"];
+    NSData *data = [NSData dataWithContentsOfURL:staticWebPURL];
+    UIImage *image = [SDImageWebPCoder.sharedCoder decodedImageWithData:data options:@{SDImageCoderDecodeThumbnailPixelSize: @(CGSizeMake(1023, 680))}]; // 1023 * 4 need aligned to 4096
+    CGImageRef cgImage = [image CGImage];
+    size_t bytesPerRow = CGImageGetBytesPerRow(cgImage);
+    XCTAssertEqual(bytesPerRow, 4096);
+    CGColorSpaceRef colorspace = CGImageGetColorSpace(cgImage);
+    NSString *colorspaceName = (__bridge_transfer NSString *)CGColorSpaceCopyName(colorspace);
+    XCTAssertEqual(colorspaceName, (__bridge NSString *)kCGColorSpaceSRGB, @"Color space is not sRGB");
+}
+
 - (void)testEncodingSettings {
     WebPConfig config;
     WebPConfigPreset(&config, WEBP_PRESET_DEFAULT, 0.2);

Tests/SDWebImageWebPCoderTests.xcodeproj/project.pbxproj

@@ -10,6 +10,7 @@
 		0EF5B6264833B7BC20894578 /* Pods_SDWebImageWebPCoderTests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 46F21AD7D1692EBAC4D0FF33 /* Pods_SDWebImageWebPCoderTests.framework */; };
 		3219F3B2228B0453003822A6 /* TestImageBlendAnimated.webp in Resources */ = {isa = PBXBuildFile; fileRef = 3219F3B1228B0453003822A6 /* TestImageBlendAnimated.webp */; };
 		325E268E25C82BE1000B807B /* TestImageGrayscale.jpg in Resources */ = {isa = PBXBuildFile; fileRef = 325E268D25C82BE1000B807B /* TestImageGrayscale.jpg */; };
+		326420312A5D53E300EE3E46 /* TestColorspaceStatic.webp in Resources */ = {isa = PBXBuildFile; fileRef = 326420302A5D53E300EE3E46 /* TestColorspaceStatic.webp */; };
 		808C918E213FD131004B0F7C /* SDWebImageWebPCoderTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 808C918D213FD131004B0F7C /* SDWebImageWebPCoderTests.m */; };
 		808C919C213FD2B2004B0F7C /* TestImageStatic.webp in Resources */ = {isa = PBXBuildFile; fileRef = 808C919A213FD2B2004B0F7C /* TestImageStatic.webp */; };
 		808C919D213FD2B2004B0F7C /* TestImageAnimated.webp in Resources */ = {isa = PBXBuildFile; fileRef = 808C919B213FD2B2004B0F7C /* TestImageAnimated.webp */; };
@@ -19,6 +20,7 @@
 		28D8AA3D3015E075692FD3E3 /* Pods-SDWebImageWebPCoderTests.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SDWebImageWebPCoderTests.debug.xcconfig"; path = "../Pods/Target Support Files/Pods-SDWebImageWebPCoderTests/Pods-SDWebImageWebPCoderTests.debug.xcconfig"; sourceTree = "<group>"; };
 		3219F3B1228B0453003822A6 /* TestImageBlendAnimated.webp */ = {isa = PBXFileReference; lastKnownFileType = file; path = TestImageBlendAnimated.webp; sourceTree = "<group>"; };
 		325E268D25C82BE1000B807B /* TestImageGrayscale.jpg */ = {isa = PBXFileReference; lastKnownFileType = image.jpeg; path = TestImageGrayscale.jpg; sourceTree = "<group>"; };
+		326420302A5D53E300EE3E46 /* TestColorspaceStatic.webp */ = {isa = PBXFileReference; lastKnownFileType = file; path = TestColorspaceStatic.webp; sourceTree = "<group>"; };
 		46F21AD7D1692EBAC4D0FF33 /* Pods_SDWebImageWebPCoderTests.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_SDWebImageWebPCoderTests.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		808C918B213FD130004B0F7C /* SDWebImageWebPCoderTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = SDWebImageWebPCoderTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		808C918D213FD131004B0F7C /* SDWebImageWebPCoderTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = SDWebImageWebPCoderTests.m; sourceTree = "<group>"; };
@@ -80,6 +82,7 @@
 		808C9199213FD2B2004B0F7C /* Images */ = {
 			isa = PBXGroup;
 			children = (
+				326420302A5D53E300EE3E46 /* TestColorspaceStatic.webp */,
 				325E268D25C82BE1000B807B /* TestImageGrayscale.jpg */,
 				808C919A213FD2B2004B0F7C /* TestImageStatic.webp */,
 				808C919B213FD2B2004B0F7C /* TestImageAnimated.webp */,
@@ -157,6 +160,7 @@
 				3219F3B2228B0453003822A6 /* TestImageBlendAnimated.webp in Resources */,
 				808C919D213FD2B2004B0F7C /* TestImageAnimated.webp in Resources */,
 				808C919C213FD2B2004B0F7C /* TestImageStatic.webp in Resources */,
+				326420312A5D53E300EE3E46 /* TestColorspaceStatic.webp in Resources */,
 				325E268E25C82BE1000B807B /* TestImageGrayscale.jpg in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -377,6 +381,7 @@
 					"$(inherited)",
 				);
 				INFOPLIST_FILE = Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				PRODUCT_BUNDLE_IDENTIFIER = org.SDWebImage.SDWebImageWebPCoderTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
@@ -387,6 +392,7 @@
 			baseConfigurationReference = D92E6791BF088D1A101E670E /* Pods-SDWebImageWebPCoderTests.release.xcconfig */;
 			buildSettings = {
 				INFOPLIST_FILE = Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				PRODUCT_BUNDLE_IDENTIFIER = org.SDWebImage.SDWebImageWebPCoderTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};