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#import <XCTest/XCTest.h>
@import Mapbox;
@interface MBGLIntegrationTests : XCTestCase <MGLMapViewDelegate>
@property (nonatomic) MGLMapView *mapView;
@property (nonatomic) MGLStyle *style;
@end
@implementation MBGLIntegrationTests {
XCTestExpectation *_styleLoadingExpectation;
}
- (void)setUp {
[super setUp];
[MGLAccountManager setAccessToken:@"pk.feedcafedeadbeefbadebede"];
NSURL *styleURL = [[NSBundle bundleForClass:[self class]] URLForResource:@"one-liner" withExtension:@"json"];
self.mapView = [[MGLMapView alloc] initWithFrame:UIScreen.mainScreen.bounds styleURL:styleURL];
self.mapView.delegate = self;
if (!self.mapView.style) {
_styleLoadingExpectation = [self expectationWithDescription:@"Map view should finish loading style."];
[self waitForExpectationsWithTimeout:1 handler:nil];
}
UIView *superView = [[UIView alloc] initWithFrame:UIScreen.mainScreen.bounds];
[superView addSubview:self.mapView];
UIWindow *window = [[UIWindow alloc] initWithFrame:UIScreen.mainScreen.bounds];
[window addSubview:superView];
[window makeKeyAndVisible];
}
- (void)mapView:(MGLMapView *)mapView didFinishLoadingStyle:(MGLStyle *)style {
XCTAssertNotNil(mapView.style);
XCTAssertEqual(mapView.style, style);
[_styleLoadingExpectation fulfill];
}
- (void)tearDown {
_styleLoadingExpectation = nil;
self.mapView = nil;
[super tearDown];
}
- (MGLStyle *)style {
return self.mapView.style;
}
- (void)testAddingRemovingOpenGLLayer {
XCTAssertNotNil(self.style);
// Test fails with 0.1 (presumably because it's < one frame, ie. 1/60)
NSTimeInterval waitInterval = 0.02;
void(^addRemoveGLLayer)(void) = ^{
MGLOpenGLStyleLayer *layer = nil;
__weak id retrievedLayer = nil;
@autoreleasepool {
layer = [[MGLOpenGLStyleLayer alloc] initWithIdentifier:@"gl-layer"];
[self.style insertLayer:layer atIndex:0];
layer = nil;
[[NSRunLoop currentRunLoop] runUntilDate:[[NSDate date] dateByAddingTimeInterval:waitInterval]];
retrievedLayer = [self.style layerWithIdentifier:@"gl-layer"];
XCTAssertNotNil(retrievedLayer);
[self.style removeLayer:retrievedLayer];
// We need to run the runloop for a little while so that the following assert will be correct
// this is because although the layer has been removed from the style, there's still a pending
// render (deinitialize) call, that will needs to be handled, which will finally release the
// layer (and then the layer will be dealloc'd when the autorelease pool drains)
[[NSRunLoop currentRunLoop] runUntilDate:[[NSDate date] dateByAddingTimeInterval:waitInterval]];
}
XCTAssertNil(retrievedLayer);
};
addRemoveGLLayer();
addRemoveGLLayer();
addRemoveGLLayer();
}
- (void)testReusingOpenGLLayer {
NSTimeInterval waitInterval = 0.02;
MGLOpenGLStyleLayer *layer = [[MGLOpenGLStyleLayer alloc] initWithIdentifier:@"gl-layer"];
[self.style insertLayer:layer atIndex:0];
[[NSRunLoop currentRunLoop] runUntilDate:[[NSDate date] dateByAddingTimeInterval:waitInterval]];
[self.style removeLayer:layer];
[[NSRunLoop currentRunLoop] runUntilDate:[[NSDate date] dateByAddingTimeInterval:waitInterval]];
[self.style insertLayer:layer atIndex:0];
[[NSRunLoop currentRunLoop] runUntilDate:[[NSDate date] dateByAddingTimeInterval:waitInterval]];
[self.style removeLayer:layer];
[[NSRunLoop currentRunLoop] runUntilDate:[[NSDate date] dateByAddingTimeInterval:waitInterval]];
}
// This test does not strictly need to be in this test file/target. Including here for convenience.
- (void)testOpenGLLayerDoesNotLeakWhenCreatedAndDestroyedWithoutAddingToStyle {
MGLOpenGLStyleLayer *layer = [[MGLOpenGLStyleLayer alloc] initWithIdentifier:@"gl-layer"];
__weak id weakLayer = layer;
layer = nil;
XCTAssertNil(weakLayer);
}
@end
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