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Diffstat (limited to 'platform/darwin/test/MGLHeatmapColorTests.mm')
-rw-r--r-- | platform/darwin/test/MGLHeatmapColorTests.mm | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/platform/darwin/test/MGLHeatmapColorTests.mm b/platform/darwin/test/MGLHeatmapColorTests.mm new file mode 100644 index 0000000000..8d44064d94 --- /dev/null +++ b/platform/darwin/test/MGLHeatmapColorTests.mm @@ -0,0 +1,61 @@ +#import <Mapbox/Mapbox.h> +#import <XCTest/XCTest.h> + +#import "MGLStyleLayer_Private.h" + +#include <mbgl/style/layers/heatmap_layer.hpp> + +@interface MGLHeatmapColorTests : XCTestCase <MGLMapViewDelegate> +@end + +@implementation MGLHeatmapColorTests + +- (void)testProperties { + MGLPointFeature *feature = [[MGLPointFeature alloc] init]; + MGLShapeSource *source = [[MGLShapeSource alloc] initWithIdentifier:@"sourceID" shape:feature options:nil]; + MGLHeatmapStyleLayer *layer = [[MGLHeatmapStyleLayer alloc] initWithIdentifier:@"layerID" source:source]; + + auto rawLayer = layer.rawLayer->as<mbgl::style::HeatmapLayer>(); + + XCTAssertTrue(rawLayer->getHeatmapColor().isUndefined(), + @"heatmap-color should be unset initially."); + NSExpression *defaultExpression = layer.heatmapColor; + + NSExpression *constantExpression = [NSExpression expressionWithFormat:@"%@", [MGLColor redColor]]; + layer.heatmapColor = constantExpression; + + + mbgl::style::PropertyValue<float> propertyValue = { 0xff }; + XCTAssertEqual(rawLayer->getHeatmapColor().evaluate(0.0), mbgl::Color::red(), + @"Setting heatmapColor to a constant value expression should update heatmap-color."); + XCTAssertEqualObjects(layer.heatmapColor, constantExpression, + @"heatmapColor should round-trip constant value expressions."); + + constantExpression = [NSExpression expressionWithFormat:@"%@", [MGLColor redColor]]; + NSExpression *constantExpression2 = [NSExpression expressionWithFormat:@"%@", [MGLColor blueColor]]; + NSExpression *functionExpression = [NSExpression expressionWithFormat:@"FUNCTION($heatmapDensity, 'mgl_stepWithMinimum:stops:', %@, %@)", constantExpression, @{@12: constantExpression2}]; + layer.heatmapColor = functionExpression; + + XCTAssertEqual(rawLayer->getHeatmapColor().evaluate(11.0), mbgl::Color::red(), + @"Setting heatmapColor to an expression depending on $heatmapDensity should update heatmap-color."); + XCTAssertEqual(rawLayer->getHeatmapColor().evaluate(12.0), mbgl::Color::blue(), + @"Setting heatmapColor to an expression depending on $heatmapDensity should update heatmap-color."); + XCTAssertEqualObjects(layer.heatmapColor, functionExpression, + @"heatmapColor should round-trip expressions depending on $heatmapDensity."); + + layer.heatmapColor = nil; + XCTAssertTrue(rawLayer->getHeatmapColor().isUndefined(), + @"Unsetting heatmapColor should return heatmap-color to the default value."); + XCTAssertEqualObjects(layer.heatmapColor, defaultExpression, + @"heatmapColor should return the default value after being unset."); + + functionExpression = [NSExpression expressionWithFormat:@"FUNCTION($zoomLevel, 'mgl_stepWithMinimum:stops:', %@, %@)", constantExpression, @{@18: constantExpression}]; + XCTAssertThrowsSpecificNamed(layer.heatmapColor = functionExpression, NSException, NSInvalidArgumentException, @"MGLHeatmapLayer should raise an exception if a camera expression is applied to heatmapColor."); + functionExpression = [NSExpression expressionForKeyPath:@"bogus"]; + XCTAssertThrowsSpecificNamed(layer.heatmapColor = functionExpression, NSException, NSInvalidArgumentException, @"MGLHeatmapLayer should raise an exception if a data expression is applied to heatmapColor."); + functionExpression = [NSExpression expressionWithFormat:@"FUNCTION(bogus, 'mgl_stepWithMinimum:stops:', %@, %@)", constantExpression, @{@18: constantExpression}]; + functionExpression = [NSExpression expressionWithFormat:@"FUNCTION($zoomLevel, 'mgl_interpolateWithCurveType:parameters:stops:', 'linear', nil, %@)", @{@10: functionExpression}]; + XCTAssertThrowsSpecificNamed(layer.heatmapColor = functionExpression, NSException, NSInvalidArgumentException, @"MGLHeatmapLayer should raise an exception if a camera-data expression is applied to a property that does not support key paths to feature attributes."); +} + +@end |