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[ios, macos] Added image stretching tests
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| @@ -0,0 +1,81 @@ | ||
| #import <XCTest/XCTest.h> | ||
| #import <Mapbox/Mapbox.h> | ||
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| #if TARGET_OS_IPHONE | ||
| #import "UIImage+MGLAdditions.h" | ||
| #else | ||
| #import "NSImage+MGLAdditions.h" | ||
| #endif | ||
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| @interface MGLImageTests : XCTestCase | ||
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| @end | ||
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| @implementation MGLImageTests | ||
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| - (void)testStretching { | ||
| #if TARGET_OS_IPHONE | ||
| CGRect rect = CGRectMake(0, 0, 24, 24); | ||
| UIGraphicsBeginImageContextWithOptions(rect.size, NO, UIScreen.mainScreen.scale); | ||
| CGContextRef context = UIGraphicsGetCurrentContext(); | ||
| CGContextSetStrokeColorWithColor(context, UIColor.blackColor.CGColor); | ||
| CGContextStrokeRectWithWidth(context, rect, 2); | ||
| UIImage *image = UIGraphicsGetImageFromCurrentImageContext(); | ||
| UIGraphicsEndImageContext(); | ||
| #else | ||
| NSImage *image = [NSImage imageWithSize:NSMakeSize(24, 24) flipped:NO drawingHandler:^BOOL(NSRect dstRect) { | ||
| // A little more fanciful than the iOS version, but we aren’t testing the actual contents of the image anyways. | ||
| NSRectEdge allSides[] = {NSMinYEdge, NSMaxXEdge, NSMaxYEdge, NSMinXEdge, NSMinYEdge, NSMaxXEdge}; | ||
| CGFloat grays[] = {NSBlack, NSBlack, NSWhite, NSWhite, NSDarkGray, NSDarkGray}; | ||
| dstRect = NSDrawTiledRects(dstRect, dstRect, allSides, grays, sizeof(grays) / sizeof(grays[0])); | ||
| [NSColor.grayColor set]; | ||
| NSRectFill(dstRect); | ||
| return YES; | ||
| }]; | ||
| #endif | ||
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| { | ||
| auto styleImage = [image mgl_styleImageWithIdentifier:@"box"]; | ||
| XCTAssert(styleImage); | ||
| if (styleImage) { | ||
| XCTAssert(!styleImage->getContent()); | ||
| XCTAssertFalse(styleImage->isSdf()); | ||
| } | ||
| } | ||
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| #if TARGET_OS_IPHONE | ||
| image = [image resizableImageWithCapInsets:UIEdgeInsetsZero]; | ||
| #else | ||
| image.capInsets = NSEdgeInsetsZero; | ||
| #endif | ||
| { | ||
| auto styleImage = [image mgl_styleImageWithIdentifier:@"box"]; | ||
| XCTAssert(styleImage); | ||
| if (styleImage) { | ||
| XCTAssert(!styleImage->getContent()); | ||
| } | ||
| } | ||
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| #if TARGET_OS_IPHONE | ||
| image = [image resizableImageWithCapInsets:UIEdgeInsetsMake(1, 2, 3, 4)]; | ||
| #else | ||
| image.capInsets = NSEdgeInsetsMake(1, 2, 3, 4); | ||
| #endif | ||
| { | ||
| auto styleImage = [image mgl_styleImageWithIdentifier:@"box"]; | ||
| XCTAssert(styleImage); | ||
| if (styleImage) { | ||
| auto scale = styleImage->getPixelRatio(); | ||
| auto content = styleImage->getContent(); | ||
| XCTAssert(content); | ||
| if (content) { | ||
| XCTAssertEqual(content->top, 1 * scale); | ||
| XCTAssertEqual(content->left, 2 * scale); | ||
| XCTAssertEqual(content->bottom, 21 * scale); | ||
| XCTAssertEqual(content->right, 20 * scale); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| @end |
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