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374 lines
12 KiB
Objective-C
374 lines
12 KiB
Objective-C
//===--- SwiftValueNSObject.m - Test SwiftValue's NSObject interop ------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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// This file is compiled and run by SwiftValueNSObject.swift.
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#include <Foundation/Foundation.h>
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#include <objc/runtime.h>
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#include <objc/message.h>
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static int Errors;
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#define expectTrue(expr) \
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do { \
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if (!(expr)) { \
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printf("%s:%d: not true: %s\n", __FILE__, __LINE__, #expr); \
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Errors++; \
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} \
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} while (0)
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#define expectFalse(expr) \
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do { \
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if (expr) { \
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printf("%s:%d: not false: %s\n", __FILE__, __LINE__, #expr); \
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Errors++; \
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} \
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} while (0)
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/*
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Summary of Swift definitions from SwiftValueNSObject.swift:
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class Swift._SwiftValue <NSObject> { ... }
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*/
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// Add methods to class SwiftValue that can be called by performSelector: et al
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static const char *SwiftValueDemangledName;
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static id Perform0(id self, SEL sel) {
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return self;
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}
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static id Perform1(id self, SEL sel, id one) {
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expectTrue ([one isEqual:@1]);
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return self;
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}
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static id Perform2(id self, SEL sel, id one, id two) {
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expectTrue ([one isEqual:@1]);
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expectTrue ([two isEqual:@2]);
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return self;
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}
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static __attribute__((constructor))
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void HackSwiftValue()
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{
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SwiftValueDemangledName = "__SwiftValue";
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Class cls = objc_getClass(SwiftValueDemangledName);
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class_addMethod(cls, @selector(perform0), (IMP)Perform0, "@@:");
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class_addMethod(cls, @selector(perform1:), (IMP)Perform1, "@@:@");
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class_addMethod(cls, @selector(perform2::), (IMP)Perform2, "@@:@@");
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}
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void TestSwiftValueNSObjectAssertNoErrors(void)
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{
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printf("\nTotal: %d error%s\n",
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Errors, Errors == 1 ? "" : "s");
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if (Errors > 0) {
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exit(1);
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}
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}
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void TestSwiftValueNSObjectEquals(id e1, id e2)
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{
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printf("NSObjectProtocol.isEqual: Expect %s == %s\n",
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[[e1 description] UTF8String],
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[[e2 description] UTF8String]);
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expectTrue([e1 isEqual:e2]);
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expectTrue([e2 isEqual:e1]);
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}
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void TestSwiftValueNSObjectNotEquals(id e1, id e2)
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{
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printf("NSObjectProtocol.isEqual: Expect %s != %s\n",
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[[e1 description] UTF8String],
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[[e2 description] UTF8String]);
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expectFalse([e1 isEqual:e2]);
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expectFalse([e2 isEqual:e1]);
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}
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void TestSwiftValueNSObjectHashValue(id e, NSUInteger hashValue)
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{
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printf("NSObjectProtocol.hash: Expect [%s hashValue] == %lu, Got %lu\n",
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[[e description] UTF8String],
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(unsigned long)hashValue,
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[e hash]);
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expectTrue([e hash] == hashValue);
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}
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void TestSwiftValueNSObjectDefaultHashValue(id e)
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{
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NSUInteger hashValue = (NSUInteger)e;
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TestSwiftValueNSObjectHashValue(e, hashValue);
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}
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void TestSwiftValueNSObject(id c, id d)
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{
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printf("TestSwiftValueNSObject\n");
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// Swift struct types don't get ObjC classes
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expectTrue(objc_getClass("SwiftValueNSObject.C") == nil);
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expectTrue(objc_getClass("SwiftValueNSObject.D") == nil);
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Class S = objc_getClass(SwiftValueDemangledName);
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Class S_meta = object_getClass(S);
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printf("Check connectivity.\n");
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expectTrue (S && S_meta && c && d);
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NSSet *distinctnessCheck =
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[NSSet setWithObjects:c, d, S, S_meta, nil];
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expectTrue (distinctnessCheck.count == 4);
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//=== Methods from protocol NSObject ===//
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printf("NSObjectProtocol.class\n");
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expectTrue ([d class] == S);
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expectTrue ([c class] == S);
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expectTrue ([S class] == S);
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expectTrue ([S_meta class] == S_meta);
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printf("NSObjectProtocol.superclass\n");
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expectTrue ([d superclass] == [NSObject class]);
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expectTrue ([c superclass] == [NSObject class]);
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expectTrue ([S superclass] == [NSObject class]);
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expectTrue ([S_meta superclass] == object_getClass(objc_getClass("NSObject")));
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expectTrue ([S_meta superclass] == object_getClass([NSObject class]));
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printf("NSObjectProtocol.isEqual\n");
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expectTrue ([d isEqual:d]);
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expectTrue ([c isEqual:c]);
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expectTrue ([S isEqual:S]);
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expectTrue ([S_meta isEqual:S_meta]);
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expectFalse([d isEqual:S_meta]);
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expectFalse([c isEqual:d]);
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printf("NSObjectProtocol.hash\n");
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expectTrue ([d hash] + [c hash] + [S hash] + [S_meta hash] != 0);
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printf("NSObjectProtocol.self\n");
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expectTrue ([d self] == d);
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expectTrue ([c self] == c);
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expectTrue ([S self] == S);
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expectTrue ([S_meta self] == S_meta);
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printf("NSObjectProtocol.isKindOfClass\n");
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expectTrue ([d isKindOfClass:S]);
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expectTrue ([d isKindOfClass:[NSObject class]]);
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expectTrue ([c isKindOfClass:S]);
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expectFalse([c isKindOfClass:S_meta]);
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expectTrue ([c isKindOfClass:[NSObject class]]);
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expectFalse([S isKindOfClass:S]);
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expectTrue ([S isKindOfClass:S_meta]);
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expectTrue ([S isKindOfClass:[NSObject class]]);
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expectFalse([S_meta isKindOfClass:S]);
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expectFalse([S_meta isKindOfClass:S_meta]);
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expectTrue ([S_meta isKindOfClass:[NSObject class]]);
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printf("NSObjectProtocol.isMemberOfClass\n");
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expectTrue ([d isMemberOfClass:S]);
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expectFalse([d isMemberOfClass:S_meta]);
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expectFalse([d isMemberOfClass:[NSObject class]]);
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expectTrue ([c isMemberOfClass:S]);
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expectFalse([c isMemberOfClass:S_meta]);
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expectFalse([c isMemberOfClass:[NSObject class]]);
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expectFalse([S isMemberOfClass:S]);
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expectTrue ([S isMemberOfClass:S_meta]);
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expectFalse([S isMemberOfClass:[NSObject class]]);
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expectFalse([S_meta isMemberOfClass:S]);
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expectFalse([S_meta isMemberOfClass:S_meta]);
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expectFalse([S_meta isMemberOfClass:[NSObject class]]);
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printf("NSObjectProtocol.respondsToSelector\n");
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// instance method from root class
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expectTrue ([d respondsToSelector:@selector(class)]);
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expectTrue ([c respondsToSelector:@selector(class)]);
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expectTrue ([S respondsToSelector:@selector(class)]);
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expectTrue ([S_meta respondsToSelector:@selector(class)]);
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// non-instance class method from root class
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expectFalse([d respondsToSelector:@selector(alloc)]);
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expectFalse([c respondsToSelector:@selector(alloc)]);
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expectTrue ([S respondsToSelector:@selector(alloc)]);
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expectTrue ([S_meta respondsToSelector:@selector(alloc)]);
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// nonexistent method
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expectFalse([d respondsToSelector:@selector(DESSLOK)]);
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expectFalse([c respondsToSelector:@selector(DESSLOK)]);
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expectFalse([S respondsToSelector:@selector(DESSLOK)]);
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expectFalse([S_meta respondsToSelector:@selector(DESSLOK)]);
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printf("NSObjectProtocol.conformsToProtocol\n");
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expectTrue ([d conformsToProtocol:@protocol(NSObject)]);
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expectTrue ([c conformsToProtocol:@protocol(NSObject)]);
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expectTrue ([S conformsToProtocol:@protocol(NSObject)]);
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expectTrue ([S_meta conformsToProtocol:@protocol(NSObject)]);
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expectFalse([d conformsToProtocol:@protocol(NSCoding)]);
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expectFalse([c conformsToProtocol:@protocol(NSCoding)]);
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expectFalse([S conformsToProtocol:@protocol(NSCoding)]);
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expectFalse([S_meta conformsToProtocol:@protocol(NSCoding)]);
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printf("NSObjectProtocol.description\n");
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expectTrue ([[d description] isEqual:@"This is D's description"]);
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expectTrue ([[c description] isEqual:@"This is C's debug description"]);
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expectTrue ([[S_meta description] isEqual:@(SwiftValueDemangledName)]);
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// NSLog() calls -description and also some private methods.
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// This output is checked by FileCheck in SwiftValueNSObject.swift.
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NSLog(@"c ##%@##", c);
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NSLog(@"d ##%@##", d);
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NSLog(@"S ##%@##", S);
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printf("NSObjectProtocol.debugDescription\n");
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expectTrue ([[d debugDescription] isEqual:@"This is D's description"]);
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expectTrue ([[c debugDescription] isEqual:@"This is C's debug description"]);
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expectTrue ([[S_meta debugDescription] isEqual:@(SwiftValueDemangledName)]);
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// UNIMPLEMENTED for __SwiftValue
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printf("NSObjectProtocol.performSelector\n");
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printf("NSObjectProtocol.performSelector:withObject:\n");
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printf("NSObjectProtocol.performSelector:withObject:withObject:\n");
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printf("NSObjectProtocol.isProxy\n");
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expectFalse([d isProxy]);
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expectFalse([c isProxy]);
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expectFalse([S isProxy]);
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expectFalse([S_meta isProxy]);
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printf("NSObjectProtocol.retain\n");
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printf("NSObjectProtocol.release\n");
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printf("NSObjectProtocol.autorelease\n");
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printf("NSObjectProtocol.retainCount\n");
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@autoreleasepool {
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expectTrue ([[[d retain] autorelease] retainCount] != 0);
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expectTrue ([[[c retain] autorelease] retainCount] != 0);
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expectTrue ([[[S retain] autorelease] retainCount] != 0);
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expectTrue ([[[S_meta retain] autorelease] retainCount] != 0);
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}
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/*
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// TODO: Figure out why this breaks on macOS x86_64 and
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// then decide whether or not we should fix it.
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printf("NSObjectProtocol.zone\n");
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expectTrue ([d zone] != nil);
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expectTrue ([c zone] != nil);
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expectTrue ([S zone] != nil);
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expectTrue ([S_meta zone] != nil);
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*/
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//=== Other methods from class NSObject ===//
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// FIXME: mostly untested
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printf("NSObject.instancesRespondToSelector\n");
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// non-class objects need not apply
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expectFalse([d respondsToSelector:@selector(instancesRespondToSelector:)]);
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expectFalse([c respondsToSelector:@selector(instancesRespondToSelector:)]);
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expectTrue ([S respondsToSelector:@selector(instancesRespondToSelector:)]);
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// instance method from root class
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expectTrue ([S instancesRespondToSelector:@selector(class)]);
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expectTrue ([S_meta instancesRespondToSelector:@selector(class)]);
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// non-instance class method from root class
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expectFalse([S instancesRespondToSelector:@selector(alloc)]);
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expectTrue ([S_meta instancesRespondToSelector:@selector(alloc)]);
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// nonexistent method
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expectFalse([S instancesRespondToSelector:@selector(DESSLOK)]);
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expectFalse([S_meta instancesRespondToSelector:@selector(DESSLOK)]);
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printf("NSObject.methodForSelector\n");
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IMP fwd = (IMP)_objc_msgForward;
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IMP imp;
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// instance method from root class
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// that has no root metaclass override
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imp = [S methodForSelector:@selector(self)];
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expectTrue (imp != nil);
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expectTrue (imp != fwd);
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expectFalse([c methodForSelector:@selector(self)] == imp);
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expectFalse([d methodForSelector:@selector(self)] == imp);
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expectTrue ([S_meta methodForSelector:@selector(self)] == imp);
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// instance method from root class
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// that also has a root metaclass override
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imp = [c methodForSelector:@selector(class)];
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expectTrue (imp != nil);
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expectTrue (imp != fwd);
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expectTrue ([d methodForSelector:@selector(class)] == imp);
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// non-instance class method from root class
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imp = [S methodForSelector:@selector(alloc)];
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expectTrue (imp != nil);
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expectTrue (imp != fwd);
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expectTrue ([c methodForSelector:@selector(alloc)] == fwd);
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expectTrue ([d methodForSelector:@selector(alloc)] == fwd);
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expectTrue ([S_meta methodForSelector:@selector(alloc)] == imp);
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// nonexistent method
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expectTrue ([c methodForSelector:@selector(DESSLOK)] == fwd);
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expectTrue ([d methodForSelector:@selector(DESSLOK)] == fwd);
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expectTrue ([S methodForSelector:@selector(DESSLOK)] == fwd);
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expectTrue ([S_meta methodForSelector:@selector(DESSLOK)] == fwd);
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printf("NSObject.instanceMethodForSelector\n");
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// non-class objects need not apply
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expectFalse([d respondsToSelector:@selector(instanceMethodForSelector:)]);
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expectFalse([c respondsToSelector:@selector(instanceMethodForSelector:)]);
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expectTrue ([S respondsToSelector:@selector(instanceMethodForSelector:)]);
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// nonexistent method
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expectTrue ([S instanceMethodForSelector:@selector(DESSLOK)] == fwd);
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expectTrue ([S_meta instanceMethodForSelector:@selector(DESSLOK)] == fwd);
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}
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