83 lines
3.1 KiB
Mathematica
83 lines
3.1 KiB
Mathematica
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#import <XCTest/XCTest.h>
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#import "WMFGeometry.h"
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#import "XCTAssert+CGGeometry.h"
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@interface WMFGeometryTests : XCTestCase
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@end
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@implementation WMFGeometryTests
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- (void)testCoordinateConversionOfRegularRect {
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CGRect testUIRect = CGRectMake(50, 10, 100, 100);
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CGSize testSize = CGSizeMake(200, 200);
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CGRect ui2cgConversion = WMFConvertUICoordinateRectToCGCoordinateRectUsingSize(testUIRect, testSize);
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XCTAssertEqualRects(ui2cgConversion,
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CGRectMake(testUIRect.origin.x,
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testSize.height - (testUIRect.origin.y + testUIRect.size.height),
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testUIRect.size.width,
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testUIRect.size.height));
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XCTAssertEqualRects(WMFConvertCGCoordinateRectToUICoordinateRectUsingSize(ui2cgConversion, testSize),
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testUIRect);
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}
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- (void)testNormalization {
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CGRect testUIRect = CGRectMake(50, 10, 100, 100);
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CGSize testSize = CGSizeMake(200, 200);
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CGRect normalizedRect = WMFNormalizeRectUsingSize(testUIRect, testSize);
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XCTAssertEqualRectsWithAccuracy(normalizedRect,
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CGRectMake(testUIRect.origin.x / testSize.width,
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testUIRect.origin.y / testSize.height,
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testUIRect.size.width / testSize.width,
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testUIRect.size.height / testSize.height),
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0.0001);
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XCTAssertEqualRectsWithAccuracy(WMFDenormalizeRectUsingSize(normalizedRect, testSize), testUIRect, 0.0001);
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}
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- (void)testConcatTransforms {
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CGRect testUIRect = CGRectMake(50, 10, 100, 100);
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CGSize testSize = CGSizeMake(200, 200);
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CGRect convertedRect = WMFConvertUICoordinateRectToCGCoordinateRectUsingSize(testUIRect, testSize);
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CGRect convertedAndNormalizedRect = WMFNormalizeRectUsingSize(convertedRect, testSize);
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CGRect transformedRect = WMFConvertAndNormalizeCGRectUsingSize(testUIRect, testSize);
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XCTAssertEqualRectsWithAccuracy(transformedRect, convertedAndNormalizedRect, 0.0001);
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}
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- (void)testDistance {
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CGFloat accuracy = 0.001;
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CGPoint a = CGPointMake(0, 0);
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CGPoint b = CGPointMake(0, 0);
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CGFloat distance = WMFDistanceBetweenPoints(a, b);
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XCTAssertEqualWithAccuracy(distance, 0, accuracy);
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a = CGPointMake(0, 0);
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b = CGPointMake(0, NAN);
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distance = WMFDistanceBetweenPoints(a, b);
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XCTAssertTrue(isnan(distance));
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a = CGPointMake(INFINITY, 0);
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b = CGPointMake(0, 0);
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distance = WMFDistanceBetweenPoints(a, b);
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XCTAssertTrue(isinf(distance));
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a = CGPointMake(0, 0);
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b = CGPointMake(0, 1);
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distance = WMFDistanceBetweenPoints(a, b);
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XCTAssertEqualWithAccuracy(distance, 1, accuracy);
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a = CGPointMake(10, 0);
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b = CGPointMake(0, 0);
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distance = WMFDistanceBetweenPoints(a, b);
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XCTAssertEqualWithAccuracy(distance, 10, accuracy);
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a = CGPointMake(2.5, 1.3);
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b = CGPointMake(24601.9, 77.4);
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distance = WMFDistanceBetweenPoints(a, b);
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XCTAssertEqualWithAccuracy(distance, 24599.5177, accuracy);
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}
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@end
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