1 files changed, 114 insertions, 0 deletions
diff --git a/platform/darwin/test/MGLStyleLayerTests.mm.ejs b/platform/darwin/test/MGLStyleLayerTests.mm.ejs
new file mode 100644
index 0000000000..00842a5b4e
--- /dev/null
+++ b/platform/darwin/test/MGLStyleLayerTests.mm.ejs
@@ -0,0 +1,114 @@
+<%
+  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 style-code-darwin`.
+
+#import "MGLStyleLayerTests.h"
+
+#import "MGLStyleLayer_Private.h"
+
+#include <mbgl/style/layers/<%- type %>_layer.hpp>
+
+@interface MGL<%- camelize(type) %>LayerTests : MGLStyleLayerTests
+@end
+
+@implementation MGL<%- camelize(type) %>LayerTests
+
++ (NSString *)layerType {
+    return @"<%- type %>";
+}
+
+<% if (type !== 'background' && type !== 'raster') { -%>
+- (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>();
+<% for (const property of properties) { -%>
+    
+    // <%- originalPropertyName(property) %>
+    {
+        XCTAssertTrue(rawLayer->get<%- camelize(originalPropertyName(property)) %>().isUndefined(),
+                      @"<%- originalPropertyName(property) %> should be unset initially.");
+        MGLStyleValue<<%- propertyType(property) %>> *defaultStyleValue = layer.<%- objCName(property) %>;
+        
+        MGLStyleValue<<%- propertyType(property) %>> *styleValue = [MGLStyleValue<<%- propertyType(property) %>> valueWithRawValue:<%- objCTestValue(property, type, 3) %>];
+        layer.<%- objCName(property) %> = styleValue;
+        mbgl::style::PropertyValue<<%- mbglType(property) %>> propertyValue = { <%- mbglTestValue(property, type) %> };
+        XCTAssertEqual(rawLayer->get<%- camelize(originalPropertyName(property)) %>(), propertyValue,
+                       @"Setting <%- objCName(property) %> to a constant value should update <%- originalPropertyName(property) %>.");
+        XCTAssertEqualObjects(layer.<%- objCName(property) %>, styleValue,
+                              @"<%- objCName(property) %> should round-trip constant values.");
+        
+        styleValue = [MGLStyleValue<<%- propertyType(property) %>> valueWithStops:@{
+            @18: styleValue,
+        }];
+        layer.<%- objCName(property) %> = styleValue;
+        propertyValue = { mbgl::style::Function<<%- mbglType(property) %>> {
+            {{ 18, propertyValue.asConstant() }},
+            1,
+        }};
+        XCTAssertEqual(rawLayer->get<%- camelize(originalPropertyName(property)) %>(), propertyValue,
+                       @"Setting <%- objCName(property) %> to a function should update <%- originalPropertyName(property) %>.");
+        XCTAssertEqualObjects(layer.<%- objCName(property) %>, styleValue,
+                              @"<%- objCName(property) %> should round-trip functions.");
+<% 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) %>, defaultStyleValue,
+                              @"<%- objCName(property) %> should return the default value after being unset.");
+<% } -%>
+    }
+<% } -%>
+}
+
+- (void)testPropertyNames {
+<% for (const property of properties) { -%>
+    [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