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#import "MGLMapViewIntegrationTest.h"
#import "MGLMapView_Private.h"
#import "MGLMapView+Impl.h"
#include <mbgl/gfx/renderable.hpp>
@interface MBGLIntegrationTests : MGLMapViewIntegrationTest
@end
@implementation MBGLIntegrationTests
#pragma mark - Tests
- (void)waitForMapViewToBeRendered {
[self waitForMapViewToBeRenderedWithTimeout:10];
}
// 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);
}
- (void)testAddingRemovingOpenGLLayerWithoutRendering {
XCTAssertNotNil(self.style);
void(^addRemoveGLLayer)(void) = ^{
__weak id weakLayer = nil;
@autoreleasepool {
MGLOpenGLStyleLayer *layer = [[MGLOpenGLStyleLayer alloc] initWithIdentifier:@"gl-layer"];
[self.style insertLayer:layer atIndex:0];
weakLayer = layer;
// Nil the layer prior to remove to ensure it's being retained
layer = nil;
[self.style removeLayer:weakLayer];
}
XCTAssertNil(weakLayer);
};
addRemoveGLLayer();
addRemoveGLLayer();
addRemoveGLLayer();
}
- (void)testReusingOpenGLLayerIdentifier {
__weak MGLOpenGLStyleLayer *weakLayer2;
@autoreleasepool {
MGLOpenGLStyleLayer *layer1 = [[MGLOpenGLStyleLayer alloc] initWithIdentifier:@"gl-layer"];
[self.style insertLayer:layer1 atIndex:0];
[self waitForMapViewToBeRendered];
[self.style removeLayer:layer1];
MGLOpenGLStyleLayer *layer2 = [[MGLOpenGLStyleLayer alloc] initWithIdentifier:@"gl-layer"];
weakLayer2 = layer2;
XCTAssertNotNil(layer2);
XCTAssert(layer1 != layer2);
[self.style insertLayer:layer2 atIndex:0];
[self waitForMapViewToBeRendered];
[self.style removeLayer:layer2];
XCTAssertNil([layer1 style]);
XCTAssertNil([layer2 style]);
}
// At this point, layer2 (and layer1) should still be around,
// since the render process needs to keep a reference to them.
XCTAssertNotNil(weakLayer2);
// Let render loop run enough to release the layers
[self waitForMapViewToBeRendered];
XCTAssertNil(weakLayer2);
}
- (void)testAddingRemovingOpenGLLayer {
XCTAssertNotNil(self.style);
void(^addRemoveGLLayer)(void) = ^{
__weak id retrievedLayer = nil;
@autoreleasepool {
MGLOpenGLStyleLayer *layer = [[MGLOpenGLStyleLayer alloc] initWithIdentifier:@"gl-layer"];
[self.style insertLayer:layer atIndex:0];
layer = nil;
[self waitForMapViewToBeRendered];
retrievedLayer = [self.style layerWithIdentifier:@"gl-layer"];
XCTAssertNotNil(retrievedLayer);
[self.style removeLayer:retrievedLayer];
[self waitForMapViewToBeRendered];
}
XCTAssertNil(retrievedLayer);
};
addRemoveGLLayer();
addRemoveGLLayer();
addRemoveGLLayer();
}
- (void)testReusingOpenGLLayer {
MGLOpenGLStyleLayer *layer = [[MGLOpenGLStyleLayer alloc] initWithIdentifier:@"gl-layer"];
[self.style insertLayer:layer atIndex:0];
[self waitForMapViewToBeRendered];
[self.style removeLayer:layer];
[self waitForMapViewToBeRendered];
[self.style insertLayer:layer atIndex:0];
[self waitForMapViewToBeRendered];
[self.style removeLayer:layer];
[self waitForMapViewToBeRendered];
}
- (void)testOpenGLLayerDoesNotLeakWhenRemovedFromStyle {
__weak id weakLayer;
@autoreleasepool {
MGLOpenGLStyleLayer *layer = [[MGLOpenGLStyleLayer alloc] initWithIdentifier:@"gl-layer"];
weakLayer = layer;
[self.style insertLayer:layer atIndex:0];
layer = nil;
[self waitForMapViewToBeRendered];
[self.style removeLayer:[self.style layerWithIdentifier:@"gl-layer"]];
}
MGLStyleLayer *layer2 = weakLayer;
XCTAssertNotNil(weakLayer);
[self waitForMapViewToBeRendered];
layer2 = nil;
XCTAssertNil(weakLayer);
}
- (void)testOpenGLLayerDoesNotLeakWhenStyleChanged {
__weak MGLOpenGLStyleLayer *weakLayer;
@autoreleasepool {
{
MGLOpenGLStyleLayer *layer = [[MGLOpenGLStyleLayer alloc] initWithIdentifier:@"gl-layer"];
weakLayer = layer;
[self.style insertLayer:layer atIndex:0];
layer = nil;
}
}
XCTAssertNotNil(weakLayer);
[self waitForMapViewToBeRendered];
MGLStyleLayer *layer2 = [self.mapView.style layerWithIdentifier:@"gl-layer"];
NSURL *styleURL = [[NSBundle bundleForClass:[self class]] URLForResource:@"one-liner" withExtension:@"json"];
self.styleLoadingExpectation = [self expectationWithDescription:@"Map view should finish loading style."];
[self.mapView setStyleURL:styleURL];
[self waitForExpectations:@[self.styleLoadingExpectation] timeout:10];
// At this point the C++ CustomLayer will have been destroyed, and the rawLayer pointer has been NULLed
XCTAssert(weakLayer == layer2);
XCTAssertNotNil(weakLayer);
// Asking the style for the layer should return nil
MGLStyleLayer *layer3 = [self.mapView.style layerWithIdentifier:@"gl-layer"];
XCTAssertNil(layer3);
}
- (void)testOpenGLLayerDoesNotLeakWhenMapViewDeallocs {
__weak id weakLayer;
@autoreleasepool {
NSURL *styleURL = [[NSBundle bundleForClass:[self class]] URLForResource:@"one-liner" withExtension:@"json"];
MGLMapView *mapView2 = [[MGLMapView alloc] initWithFrame:UIScreen.mainScreen.bounds styleURL:styleURL];
mapView2.delegate = self;
XCTAssertNil(mapView2.style);
self.styleLoadingExpectation = [self expectationWithDescription:@"Map view should finish loading style."];
[self waitForExpectationsWithTimeout:10 handler:nil];
MGLOpenGLStyleLayer *layer = [[MGLOpenGLStyleLayer alloc] initWithIdentifier:@"gl-layer"];
weakLayer = layer;
[mapView2.style insertLayer:layer atIndex:0];
layer = nil;
[self waitForMapViewToBeRendered];
}
XCTAssertNil(weakLayer);
}
- (void)testMGLMapViewImplHasCorrectSize {
NSURL *styleURL = [[NSBundle bundleForClass:[self class]] URLForResource:@"one-liner" withExtension:@"json"];
self.styleLoadingExpectation = [self expectationWithDescription:@"Map view should finish loading style."];
[self.mapView setStyleURL:styleURL];
[self.mapView setCenterCoordinate:CLLocationCoordinate2DMake(9.6315313, 52.4133574) animated:NO];
[self waitForExpectations:@[self.styleLoadingExpectation] timeout:1];
MGLMapViewImpl *mapViewImpl = [self.mapView viewImpl];
CGFloat scaleFactor = [UIScreen mainScreen].scale;
mbgl::Size renderableSize = mapViewImpl->getRendererBackend().getDefaultRenderable().getSize();
mbgl::Size viewSize = {
static_cast<uint32_t>(self.mapView.bounds.size.width * scaleFactor),
static_cast<uint32_t>(self.mapView.bounds.size.height * scaleFactor)
};
// Test that mapView and default renderable have the same size.
XCTAssertTrue(renderableSize == viewSize);
CLLocationCoordinate2D coordinates[] = {
CLLocationCoordinate2DMake(9.6315313, 52.4133574),
CLLocationCoordinate2DMake(24.9410248, 60.1733244)};
MGLPointCollectionFeature *points = [MGLPointCollectionFeature pointCollectionWithCoordinates:coordinates count:sizeof(coordinates)/sizeof(coordinates[0])];
MGLShapeSource *source = [[MGLShapeSource alloc] initWithIdentifier:@"heatmap" shape:points options:nil];
[self.style addSource:source];
MGLHeatmapStyleLayer *heatmapLayer = [[MGLHeatmapStyleLayer alloc] initWithIdentifier:@"lineLayer" source:source];
[self.style addLayer:heatmapLayer];
// Test that heatmap layer can create a texture and be successfully rendered.
[self waitForMapViewToBeRendered];
// Resize frame of the view.
[self.mapView setFrame: CGRect{self.mapView.bounds.origin, {256, 256}}];
// Force sync re-layout.
[self.mapView layoutIfNeeded];
// Test that mapView and default renderable have the same size after re-layout.
renderableSize = mapViewImpl->getRendererBackend().getDefaultRenderable().getSize();
viewSize = { static_cast<uint32_t>(self.mapView.bounds.size.width * scaleFactor),
static_cast<uint32_t>(self.mapView.bounds.size.height * scaleFactor) };
XCTAssertTrue(renderableSize == viewSize);
[self waitForMapViewToBeRendered];
}
@end
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