JavaScriptCore-7600.1.4.9.tar.gz

[apple/javascriptcore.git] / API / tests / CurrentThisInsideBlockGetterTest.mm

diff --git a/API/tests/CurrentThisInsideBlockGetterTest.mm b/API/tests/CurrentThisInsideBlockGetterTest.mm
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+++ b/API/tests/CurrentThisInsideBlockGetterTest.mm
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+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "CurrentThisInsideBlockGetterTest.h"
+
+#if JSC_OBJC_API_ENABLED
+
+#import <Foundation/Foundation.h>
+#import <JavaScriptCore/JavaScriptCore.h>
+
+static JSObjectRef CallAsConstructor(JSContextRef ctx, JSObjectRef constructor, size_t, const JSValueRef[], JSValueRef*)
+{
+    JSObjectRef newObjectRef = NULL;
+    NSMutableDictionary *constructorPrivateProperties = (__bridge NSMutableDictionary *)(JSObjectGetPrivate(constructor));
+    NSDictionary *constructorDescriptor = constructorPrivateProperties[@"constructorDescriptor"];
+    newObjectRef = JSObjectMake(ctx, NULL, NULL);
+    NSDictionary *objectProperties = constructorDescriptor[@"objectProperties"];
+    
+    if (objectProperties) {
+        JSValue *newObject = [JSValue valueWithJSValueRef:newObjectRef inContext:[JSContext contextWithJSGlobalContextRef:JSContextGetGlobalContext(ctx)]];
+        for (NSString *objectProperty in objectProperties) {
+            [newObject defineProperty:objectProperty descriptor:objectProperties[objectProperty]];
+        }
+    }
+    
+    return newObjectRef;
+}
+
+static void ConstructorFinalize(JSObjectRef object)
+{
+    NSMutableDictionary *privateProperties = (__bridge NSMutableDictionary *)(JSObjectGetPrivate(object));
+    CFBridgingRelease((__bridge CFTypeRef)(privateProperties));
+    JSObjectSetPrivate(object, NULL);
+}
+
+static JSClassRef ConstructorClass(void)
+{
+    static JSClassRef constructorClass = NULL;
+    
+    if (constructorClass == NULL) {
+        JSClassDefinition classDefinition = kJSClassDefinitionEmpty;
+        classDefinition.className = "Constructor";
+        classDefinition.callAsConstructor = CallAsConstructor;
+        classDefinition.finalize = ConstructorFinalize;
+        constructorClass = JSClassCreate(&classDefinition);
+    }
+    
+    return constructorClass;
+}
+
+@interface JSValue (ConstructorCreation)
+
++ (JSValue *)valueWithConstructorDescriptor:(NSDictionary *)constructorDescriptor inContext:(JSContext *)context;
+
+@end
+
+@implementation JSValue (ConstructorCreation)
+
++ (JSValue *)valueWithConstructorDescriptor:(id)constructorDescriptor inContext:(JSContext *)context
+{
+    NSMutableDictionary *privateProperties = [@{ @"constructorDescriptor" : constructorDescriptor } mutableCopy];
+    JSGlobalContextRef ctx = [context JSGlobalContextRef];
+    JSObjectRef constructorRef = JSObjectMake(ctx, ConstructorClass(), (void *)CFBridgingRetain(privateProperties));
+    JSValue *constructor = [JSValue valueWithJSValueRef:constructorRef inContext:context];
+    return constructor;
+}
+
+@end
+
+@interface JSContext (ConstructorCreation)
+
+- (JSValue *)valueWithConstructorDescriptor:(NSDictionary *)constructorDescriptor;
+
+@end
+
+@implementation JSContext (ConstructorCreation)
+
+- (JSValue *)valueWithConstructorDescriptor:(id)constructorDescriptor
+{
+    return [JSValue valueWithConstructorDescriptor:constructorDescriptor inContext:self];
+}
+
+@end
+
+void currentThisInsideBlockGetterTest()
+{
+    @autoreleasepool {
+        JSContext *context = [[JSContext alloc] init];
+        
+        JSValue *myConstructor = [context valueWithConstructorDescriptor:@{
+            @"objectProperties" : @{
+                @"currentThis" : @{ JSPropertyDescriptorGetKey : ^{ return JSContext.currentThis; } },
+            },
+        }];
+        
+        JSValue *myObj1 = [myConstructor constructWithArguments:nil];
+        NSLog(@"myObj1.currentThis: %@", myObj1[@"currentThis"]);
+        JSValue *myObj2 = [myConstructor constructWithArguments:@[ @"bar" ]];
+        NSLog(@"myObj2.currentThis: %@", myObj2[@"currentThis"]);
+    }
+}
+
+#endif // JSC_OBJC_API_ENABLED