<%
  const type = locals.type;
  const properties = locals.properties;
  const enumProperties = locals.enumProperties;
-%>
// This file is generated.
// Edit platform/darwin/scripts/generate-style-code.js, then run `make darwin-style-code`.

#import "MGLStyleLayerTests.h"
#import "../../darwin/src/NSDate+MGLAdditions.h"

#import "MGLStyleLayer_Private.h"

#include <mbgl/style/layers/<%- type.replace('-', '_') %>_layer.hpp>
#include <mbgl/style/transition_options.hpp>

@interface MGL<%- camelize(type) %>LayerTests : MGLStyleLayerTests
@end

@implementation MGL<%- camelize(type) %>LayerTests

+ (NSString *)layerType {
    return @"<%- type %>";
}

<% if (type !== 'background' && type !== 'raster' && type !== 'hillshade') { -%>
- (void)testPredicates {
    MGLPointFeature *feature = [[MGLPointFeature alloc] init];
    MGLShapeSource *source = [[MGLShapeSource alloc] initWithIdentifier:@"sourceID" shape:feature options:nil];
    MGL<%- camelize(type) %>StyleLayer *layer = [[MGL<%- camelize(type) %>StyleLayer alloc] initWithIdentifier:@"layerID" source:source];

    XCTAssertNil(layer.sourceLayerIdentifier);
    layer.sourceLayerIdentifier = @"layerID";
    XCTAssertEqualObjects(layer.sourceLayerIdentifier, @"layerID");
    layer.sourceLayerIdentifier = nil;
    XCTAssertNil(layer.sourceLayerIdentifier);

    XCTAssertNil(layer.predicate);
    layer.predicate = [NSPredicate predicateWithValue:NO];
    XCTAssertEqualObjects(layer.predicate, [NSPredicate predicateWithValue:NO]);
    layer.predicate = nil;
    XCTAssertNil(layer.predicate);
}

<% } -%>
- (void)testProperties {
<% if (type === 'background') { -%>
    MGL<%- camelize(type) %>StyleLayer *layer = [[MGL<%- camelize(type) %>StyleLayer alloc] initWithIdentifier:@"layerID"];
<% } else { -%>
    MGLPointFeature *feature = [[MGLPointFeature alloc] init];
    MGLShapeSource *source = [[MGLShapeSource alloc] initWithIdentifier:@"sourceID" shape:feature options:nil];

    MGL<%- camelize(type) %>StyleLayer *layer = [[MGL<%- camelize(type) %>StyleLayer alloc] initWithIdentifier:@"layerID" source:source];
<% } -%>
    XCTAssertNotEqual(layer.rawLayer, nullptr);
    XCTAssertTrue(layer.rawLayer->is<mbgl::style::<%- camelize(type) %>Layer>());
    auto rawLayer = layer.rawLayer->as<mbgl::style::<%- camelize(type) %>Layer>();

    MGLTransition transitionTest = MGLTransitionMake(5, 4);

<% for (const property of properties) { -%>
<%   if (property.name === 'heatmap-color') continue; -%>

    // <%- originalPropertyName(property) %>
    {
        XCTAssertTrue(rawLayer->get<%- camelize(originalPropertyName(property)) %>().isUndefined(),
                      @"<%- originalPropertyName(property) %> should be unset initially.");
        NSExpression *defaultExpression = layer.<%- objCName(property) %>;

        NSExpression *constantExpression = [NSExpression expressionWithFormat:<%- objCTestValue(property, type, true, 3) %>];
        layer.<%- objCName(property) %> = constantExpression;
<% if (property["property-function"]) { -%>
        mbgl::style::DataDrivenPropertyValue<<%- mbglType(property) %>> propertyValue = { <%- mbglTestValue(property, type) %> };
<% } else { -%>
        mbgl::style::PropertyValue<<%- mbglType(property) %>> propertyValue = { <%- mbglTestValue(property, type) %> };
<% } -%>
        XCTAssertEqual(rawLayer->get<%- camelize(originalPropertyName(property)) %>(), propertyValue,
                       @"Setting <%- objCName(property) %> to a constant value expression should update <%- originalPropertyName(property) %>.");
        XCTAssertEqualObjects(layer.<%- objCName(property) %>, constantExpression,
                              @"<%- objCName(property) %> should round-trip constant value expressions.");

        constantExpression = [NSExpression expressionWithFormat:<%- objCTestValue(property, type, false, 3) %>];
        NSExpression *functionExpression = [NSExpression expressionWithFormat:@"FUNCTION($zoomLevel, 'mgl_stepWithMinimum:stops:', %@, %@)", constantExpression, @{@18: constantExpression}];
        layer.<%- objCName(property) %> = functionExpression;

        mbgl::style::IntervalStops<<%- mbglType(property) %>> intervalStops = {{
            { -INFINITY, <%- mbglTestValue(property, type) %> },
            { 18, <%- mbglTestValue(property, type) %> },
        }};
        propertyValue = mbgl::style::CameraFunction<<%- mbglType(property) %>> { intervalStops };
        
        XCTAssertEqual(rawLayer->get<%- camelize(originalPropertyName(property)) %>(), propertyValue,
                       @"Setting <%- objCName(property) %> to a camera expression should update <%- originalPropertyName(property) %>.");
        XCTAssertEqualObjects(layer.<%- objCName(property) %>, functionExpression,
                              @"<%- objCName(property) %> should round-trip camera expressions.");

<% if (property["property-function"] && isInterpolatable(property)) { -%>
        functionExpression = [NSExpression expressionWithFormat:@"FUNCTION(keyName, 'mgl_interpolateWithCurveType:parameters:stops:', 'linear', nil, %@)", @{@18: constantExpression}];
        layer.<%- objCName(property) %> = functionExpression;

        mbgl::style::ExponentialStops<<%- mbglType(property) %>> exponentialStops = { {{18, <%- mbglTestValue(property, type) %>}}, 1.0 };
        propertyValue = mbgl::style::SourceFunction<<%- mbglType(property) %>> { "keyName", exponentialStops };

        XCTAssertEqual(rawLayer->get<%- camelize(originalPropertyName(property)) %>(), propertyValue,
                       @"Setting <%- objCName(property) %> to a data expression should update <%- originalPropertyName(property) %>.");
        XCTAssertEqualObjects(layer.<%- objCName(property) %>, functionExpression,
                              @"<%- objCName(property) %> should round-trip data expressions.");

        functionExpression = [NSExpression expressionWithFormat:@"FUNCTION($zoomLevel, 'mgl_interpolateWithCurveType:parameters:stops:', 'linear', nil, %@)", @{@10: functionExpression}];
        layer.<%- objCName(property) %> = functionExpression;

        std::map<float, <%- mbglType(property) %>> innerStops { {18, <%- mbglTestValue(property, type) %>} };
        mbgl::style::CompositeExponentialStops<<%- mbglType(property) %>> compositeStops { { {10.0, innerStops} }, 1.0 };

        propertyValue = mbgl::style::CompositeFunction<<%- mbglType(property) %>> { "keyName", compositeStops };

        XCTAssertEqual(rawLayer->get<%- camelize(originalPropertyName(property)) %>(), propertyValue,
                       @"Setting <%- objCName(property) %> to a camera-data expression should update <%- originalPropertyName(property) %>.");
        XCTAssertEqualObjects(layer.<%- objCName(property) %>, functionExpression,
                              @"<%- objCName(property) %> should round-trip camera-data expressions.");
<% } -%>                              
<% if (!property.required) { -%>

        layer.<%- objCName(property) %> = nil;
        XCTAssertTrue(rawLayer->get<%- camelize(originalPropertyName(property)) %>().isUndefined(),
                      @"Unsetting <%- objCName(property) %> should return <%- originalPropertyName(property) %> to the default value.");
        XCTAssertEqualObjects(layer.<%- objCName(property) %>, defaultExpression,
                              @"<%- objCName(property) %> should return the default value after being unset.");
<% } -%>
<% if (!property["property-function"]) { -%>

        functionExpression = [NSExpression expressionForKeyPath:@"bogus"];
        XCTAssertThrowsSpecificNamed(layer.<%- objCName(property) %> = functionExpression, NSException, NSInvalidArgumentException, @"MGL<%- camelize(type) %>Layer should raise an exception if a camera-data expression is applied to a property that does not support key paths to feature attributes.");
        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.<%- objCName(property) %> = functionExpression, NSException, NSInvalidArgumentException, @"MGL<%- camelize(type) %>Layer should raise an exception if a camera-data expression is applied to a property that does not support key paths to feature attributes.");
<% } -%>
<% if (property["transition"] && !property.original) { -%>
        // Transition property test
        layer.<%- camelizeWithLeadingLowercase(originalPropertyName(property)) %>Transition = transitionTest;
        auto toptions = rawLayer->get<%- camelize(originalPropertyName(property)) %>Transition();
        XCTAssert(toptions.delay && MGLTimeIntervalFromDuration(*toptions.delay) == transitionTest.delay);
        XCTAssert(toptions.duration && MGLTimeIntervalFromDuration(*toptions.duration) == transitionTest.duration);

        MGLTransition <%- camelizeWithLeadingLowercase(originalPropertyName(property)) %>Transition = layer.<%- camelizeWithLeadingLowercase(originalPropertyName(property)) %>Transition;
        XCTAssertEqual(<%- camelizeWithLeadingLowercase(originalPropertyName(property)) %>Transition.delay, transitionTest.delay);
        XCTAssertEqual(<%- camelizeWithLeadingLowercase(originalPropertyName(property)) %>Transition.duration, transitionTest.duration);
<% } -%>
    }
<% } -%>
}

- (void)testPropertyNames {
<% for (const property of properties) { -%>
<%   if (property.name === 'heatmap-color') continue; -%>
    [self testPropertyName:@"<%- property.getter || property.name %>" isBoolean:<%- property.type === 'boolean' ? 'YES' : 'NO' %>];
<% } -%>
}

<% if (enumProperties) { -%>
- (void)testValueAdditions {
<% for (let property of enumProperties) { -%>
<% for (let value in property.values) { -%>
<% if (property.values.hasOwnProperty(value)) { -%>
    XCTAssertEqual([NSValue valueWithMGL<%- camelize(property.name) %>:MGL<%- camelize(property.name) %><%- camelize(value) %>].MGL<%- camelize(property.name) %>Value, MGL<%- camelize(property.name) %><%- camelize(value) %>);
<% } -%>
<% } -%>
<% } -%>
}

<% } -%>
@end