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#import <Mapbox/Mapbox.h>
#import <XCTest/XCTest.h>
#import "../../darwin/src/MGLGeometry_Private.h"
@interface MGLGeometryTests : XCTestCase
@end
@implementation MGLGeometryTests
- (void)testCoordinateBoundsIsEmpty {
MGLCoordinateBounds emptyBounds = MGLCoordinateBoundsMake(CLLocationCoordinate2DMake(0, 0), CLLocationCoordinate2DMake(10, 0));
XCTAssertTrue(MGLCoordinateBoundsIsEmpty(emptyBounds));
XCTAssertFalse(MGLCoordinateSpanEqualToCoordinateSpan(MGLCoordinateSpanZero, MGLCoordinateBoundsGetCoordinateSpan(emptyBounds)));
}
- (void)testAngleConversions {
XCTAssertEqualWithAccuracy(-180, MGLDegreesFromRadians(-M_PI), 5);
XCTAssertEqual(0, MGLDegreesFromRadians(0));
XCTAssertEqualWithAccuracy(45, MGLDegreesFromRadians(M_PI_4), 5);
XCTAssertEqualWithAccuracy(90, MGLDegreesFromRadians(M_PI_2), 5);
XCTAssertEqualWithAccuracy(180, MGLDegreesFromRadians(M_PI), 5);
XCTAssertEqualWithAccuracy(360, MGLDegreesFromRadians(2 * M_PI), 5);
XCTAssertEqualWithAccuracy(720, MGLDegreesFromRadians(4 * M_PI), 5);
XCTAssertEqualWithAccuracy(-360, MGLDegreesFromRadians(MGLRadiansFromDegrees(-360)), 4);
XCTAssertEqualWithAccuracy(-180, MGLDegreesFromRadians(MGLRadiansFromDegrees(-180)), 5);
XCTAssertEqualWithAccuracy(-90, MGLDegreesFromRadians(MGLRadiansFromDegrees(-90)), 5);
XCTAssertEqualWithAccuracy(-45, MGLDegreesFromRadians(MGLRadiansFromDegrees(-45)), 5);
XCTAssertEqualWithAccuracy(0, MGLDegreesFromRadians(MGLRadiansFromDegrees(0)), 5);
XCTAssertEqualWithAccuracy(45, MGLDegreesFromRadians(MGLRadiansFromDegrees(45)), 5);
XCTAssertEqualWithAccuracy(90, MGLDegreesFromRadians(MGLRadiansFromDegrees(90)), 5);
XCTAssertEqualWithAccuracy(180, MGLDegreesFromRadians(MGLRadiansFromDegrees(180)), 5);
XCTAssertEqualWithAccuracy(360, MGLDegreesFromRadians(MGLRadiansFromDegrees(360)), 4);
}
- (void)testAltitudeConversions {
CGSize tallSize = CGSizeMake(600, 1200);
CGSize midSize = CGSizeMake(600, 800);
CGSize shortSize = CGSizeMake(600, 400);
XCTAssertEqualWithAccuracy(1800, MGLAltitudeForZoomLevel(MGLZoomLevelForAltitude(1800, 0, 0, midSize), 0, 0, midSize), 1);
XCTAssertLessThan(MGLZoomLevelForAltitude(1800, 0, 0, midSize), MGLZoomLevelForAltitude(1800, 0, 0, tallSize));
XCTAssertGreaterThan(MGLZoomLevelForAltitude(1800, 0, 0, midSize), MGLZoomLevelForAltitude(1800, 0, 0, shortSize));
XCTAssertEqualWithAccuracy(0, MGLZoomLevelForAltitude(MGLAltitudeForZoomLevel(0, 0, 0, midSize), 0, 0, midSize), 3);
XCTAssertEqualWithAccuracy(18, MGLZoomLevelForAltitude(MGLAltitudeForZoomLevel(18, 0, 0, midSize), 0, 0, midSize), 3);
XCTAssertEqualWithAccuracy(0, MGLZoomLevelForAltitude(MGLAltitudeForZoomLevel(0, 0, 40, midSize), 0, 40, midSize), 3);
XCTAssertEqualWithAccuracy(18, MGLZoomLevelForAltitude(MGLAltitudeForZoomLevel(18, 0, 40, midSize), 0, 40, midSize), 3);
XCTAssertEqualWithAccuracy(0, MGLZoomLevelForAltitude(MGLAltitudeForZoomLevel(0, 60, 40, midSize), 60, 40, midSize), 3);
XCTAssertEqualWithAccuracy(18, MGLZoomLevelForAltitude(MGLAltitudeForZoomLevel(18, 60, 40, midSize), 60, 40, midSize), 3);
}
- (void)testGeometryBoxing {
CLLocationCoordinate2D coordinate = CLLocationCoordinate2DMake(38.9131982, -77.0325453144239);
CLLocationCoordinate2D roundTrippedCoordinate = [NSValue valueWithMGLCoordinate:coordinate].MGLCoordinateValue;
XCTAssertEqual(coordinate.latitude, roundTrippedCoordinate.latitude, @"Latitude should round-trip.");
XCTAssertEqual(coordinate.longitude, roundTrippedCoordinate.longitude, @"Longitude should round-trip.");
MGLCoordinateSpan span = MGLCoordinateSpanMake(4.383333333333335, -4.299999999999997);
MGLCoordinateSpan roundTrippedSpan = [NSValue valueWithMGLCoordinateSpan:span].MGLCoordinateSpanValue;
XCTAssertEqual(span.latitudeDelta, roundTrippedSpan.latitudeDelta, @"Latitude delta should round-trip.");
XCTAssertEqual(span.longitudeDelta, roundTrippedSpan.longitudeDelta, @"Longitude delta should round-trip.");
MGLCoordinateBounds bounds = MGLCoordinateBoundsMake(CLLocationCoordinate2DMake(38.9131982, -77.0325453144239),
CLLocationCoordinate2DMake(37.7757368, -122.4135302));
MGLCoordinateBounds roundTrippedBounds = [NSValue valueWithMGLCoordinateBounds:bounds].MGLCoordinateBoundsValue;
XCTAssertEqualObjects([NSValue valueWithMGLCoordinate:bounds.sw],
[NSValue valueWithMGLCoordinate:roundTrippedBounds.sw],
@"Southwest should round-trip.");
XCTAssertEqualObjects([NSValue valueWithMGLCoordinate:bounds.ne],
[NSValue valueWithMGLCoordinate:roundTrippedBounds.ne],
@"Northeast should round-trip.");
}
@end
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