darling-objc4/test/addProtocol.m
2020-06-09 21:50:17 -04:00

256 lines
11 KiB
Objective-C

/*
TEST_CFLAGS -framework Foundation
TEST_BUILD_OUTPUT
.*addProtocol.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\](\n.* note: expanded from macro 'testassert')?
.*addProtocol.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\](\n.* note: expanded from macro 'testassert')?
.*addProtocol.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\](\n.* note: expanded from macro 'testassert')?
.*addProtocol.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\](\n.* note: expanded from macro 'testassert')?
.*addProtocol.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\](\n.* note: expanded from macro 'testassert')?
END
TEST_RUN_OUTPUT
objc\[\d+\]: protocol_addProtocol: added protocol 'EmptyProto' is still under construction!
objc\[\d+\]: objc_registerProtocol: protocol 'Proto1' was already registered!
objc\[\d+\]: protocol_addProtocol: modified protocol 'Proto1' is not under construction!
objc\[\d+\]: protocol_addMethodDescription: protocol 'Proto1' is not under construction!
objc\[\d+\]: objc_registerProtocol: protocol 'SuperProto' was already registered!
objc\[\d+\]: protocol_addProtocol: modified protocol 'SuperProto' is not under construction!
objc\[\d+\]: protocol_addMethodDescription: protocol 'SuperProto' is not under construction!
OK: addProtocol.m
END
*/
#include "test.h"
#include <objc/runtime.h>
#include <Foundation/Foundation.h>
@protocol SuperProto @end
@protocol SuperProto2 @end
@protocol UnrelatedProto @end
void Crash(id self, SEL _cmd)
{
fail("%c[%s %s] called unexpectedly",
class_isMetaClass(object_getClass(self)) ? '+' : '-',
object_getClassName(self), sel_getName(_cmd));
}
int main()
{
// old-ABI implementation of [Protocol retain]
// is added by +[NSObject(NSObject) load] in CF.
[NSObject class];
Protocol *proto, *proto2;
Protocol * __unsafe_unretained *protolist;
struct objc_method_description *desclist;
objc_property_t *proplist;
unsigned int count;
// If objc_registerProtocol() fails to preserve the retain count
// then ARC will deallocate Protocol objects too early.
class_replaceMethod(objc_getClass("Protocol"),
sel_registerName("dealloc"), (IMP)Crash, "v@:");
class_replaceMethod(objc_getClass("__IncompleteProtocol"),
sel_registerName("dealloc"), (IMP)Crash, "v@:");
// make sure binary contains hard copies of these protocols
proto = @protocol(SuperProto);
proto = @protocol(SuperProto2);
// Adding a protocol
char *name = strdup("Proto1");
proto = objc_allocateProtocol(name);
testassert(proto);
testassert(!objc_getProtocol(name));
protocol_addProtocol(proto, @protocol(SuperProto));
protocol_addProtocol(proto, @protocol(SuperProto2));
// no inheritance cycles
proto2 = objc_allocateProtocol("EmptyProto");
protocol_addProtocol(proto, proto2); // fails
objc_registerProtocol(proto2);
protocol_addProtocol(proto, proto2); // succeeds
char *types = strdup("@:");
protocol_addMethodDescription(proto, @selector(ReqInst0), types, YES, YES);
protocol_addMethodDescription(proto, @selector(ReqInst1), types, YES, YES);
protocol_addMethodDescription(proto, @selector(ReqInst2), types, YES, YES);
protocol_addMethodDescription(proto, @selector(ReqInst3), types, YES, YES);
protocol_addMethodDescription(proto, @selector(ReqClas0), types, YES, NO);
protocol_addMethodDescription(proto, @selector(ReqClas1), types, YES, NO);
protocol_addMethodDescription(proto, @selector(ReqClas2), types, YES, NO);
protocol_addMethodDescription(proto, @selector(ReqClas3), types, YES, NO);
protocol_addMethodDescription(proto, @selector(OptInst0), types, NO, YES);
protocol_addMethodDescription(proto, @selector(OptInst1), types, NO, YES);
protocol_addMethodDescription(proto, @selector(OptInst2), types, NO, YES);
protocol_addMethodDescription(proto, @selector(OptInst3), types, NO, YES);
protocol_addMethodDescription(proto, @selector(OptClas0), types, NO, NO);
protocol_addMethodDescription(proto, @selector(OptClas1), types, NO, NO);
protocol_addMethodDescription(proto, @selector(OptClas2), types, NO, NO);
protocol_addMethodDescription(proto, @selector(OptClas3), types, NO, NO);
char *name0 = strdup("ReqInst0");
char *name1 = strdup("ReqInst1");
char *name2 = strdup("ReqInst2");
char *name3 = strdup("ReqInst3");
char *name4 = strdup("ReqClass0");
char *name5 = strdup("ReqClass1");
char *name6 = strdup("ReqClass2");
char *name7 = strdup("ReqClass3");
char *attrname = strdup("T");
char *attrvalue = strdup("i");
objc_property_attribute_t attrs[] = {{attrname, attrvalue}};
int attrcount = sizeof(attrs) / sizeof(attrs[0]);
protocol_addProperty(proto, name0, attrs, attrcount, YES, YES);
protocol_addProperty(proto, name1, attrs, attrcount, YES, YES);
protocol_addProperty(proto, name2, attrs, attrcount, YES, YES);
protocol_addProperty(proto, name3, attrs, attrcount, YES, YES);
protocol_addProperty(proto, name4, attrs, attrcount, YES, NO);
protocol_addProperty(proto, name5, attrs, attrcount, YES, NO);
protocol_addProperty(proto, name6, attrs, attrcount, YES, NO);
protocol_addProperty(proto, name7, attrs, attrcount, YES, NO);
objc_registerProtocol(proto);
testassert(0 == strcmp(protocol_getName(proto), "Proto1"));
// Use of added protocols
testassert(proto == objc_getProtocol("Proto1"));
strcpy(name, "XXXXXX"); // name is copied
testassert(0 == strcmp(protocol_getName(proto), "Proto1"));
protolist = protocol_copyProtocolList(proto, &count);
testassert(protolist);
testassert(count == 3);
// note this order is not required
testassert(protolist[0] == @protocol(SuperProto) &&
protolist[1] == @protocol(SuperProto2) &&
protolist[2] == proto2);
free(protolist);
testassert(protocol_conformsToProtocol(proto, proto2));
testassert(protocol_conformsToProtocol(proto, @protocol(SuperProto)));
testassert(!protocol_conformsToProtocol(proto, @protocol(UnrelatedProto)));
strcpy(types, "XX"); // types is copied
desclist = protocol_copyMethodDescriptionList(proto, YES, YES, &count);
testassert(desclist && count == 4);
testprintf("%p %p\n", desclist[0].name, @selector(ReqInst0));
// testassert(desclist[0].name == @selector(ReqInst0));
testassert(0 == strcmp(desclist[0].types, "@:"));
free(desclist);
desclist = protocol_copyMethodDescriptionList(proto, YES, NO, &count);
testassert(desclist && count == 4);
testassert(desclist[1].name == @selector(ReqClas1));
testassert(0 == strcmp(desclist[1].types, "@:"));
free(desclist);
desclist = protocol_copyMethodDescriptionList(proto, NO, YES, &count);
testassert(desclist && count == 4);
testassert(desclist[2].name == @selector(OptInst2));
testassert(0 == strcmp(desclist[2].types, "@:"));
free(desclist);
desclist = protocol_copyMethodDescriptionList(proto, NO, NO, &count);
testassert(desclist && count == 4);
testassert(desclist[3].name == @selector(OptClas3));
testassert(0 == strcmp(desclist[3].types, "@:"));
free(desclist);
strcpy(name0, "XXXXXXXX"); // name is copied
strcpy(name1, "XXXXXXXX"); // name is copied
strcpy(name2, "XXXXXXXX"); // name is copied
strcpy(name3, "XXXXXXXX"); // name is copied
strcpy(name4, "XXXXXXXXX"); // name is copied
strcpy(name5, "XXXXXXXXX"); // name is copied
strcpy(name6, "XXXXXXXXX"); // name is copied
strcpy(name7, "XXXXXXXXX"); // name is copied
strcpy(attrname, "X"); // description is copied
strcpy(attrvalue, "X"); // description is copied
memset(attrs, 'X', sizeof(attrs)); // description is copied
// instance properties
count = 100;
proplist = protocol_copyPropertyList(proto, &count);
testassert(proplist);
testassert(count == 4);
// note this order is not required
testassert(0 == strcmp(property_getName(proplist[0]), "ReqInst0"));
testassert(0 == strcmp(property_getName(proplist[1]), "ReqInst1"));
testassert(0 == strcmp(property_getName(proplist[2]), "ReqInst2"));
testassert(0 == strcmp(property_getName(proplist[3]), "ReqInst3"));
testassert(0 == strcmp(property_getAttributes(proplist[0]), "Ti"));
testassert(0 == strcmp(property_getAttributes(proplist[1]), "Ti"));
testassert(0 == strcmp(property_getAttributes(proplist[2]), "Ti"));
testassert(0 == strcmp(property_getAttributes(proplist[3]), "Ti"));
free(proplist);
// class properties
count = 100;
proplist = protocol_copyPropertyList2(proto, &count, YES, NO);
testassert(proplist);
testassert(count == 4);
// note this order is not required
testassert(0 == strcmp(property_getName(proplist[0]), "ReqClass0"));
testassert(0 == strcmp(property_getName(proplist[1]), "ReqClass1"));
testassert(0 == strcmp(property_getName(proplist[2]), "ReqClass2"));
testassert(0 == strcmp(property_getName(proplist[3]), "ReqClass3"));
testassert(0 == strcmp(property_getAttributes(proplist[0]), "Ti"));
testassert(0 == strcmp(property_getAttributes(proplist[1]), "Ti"));
testassert(0 == strcmp(property_getAttributes(proplist[2]), "Ti"));
testassert(0 == strcmp(property_getAttributes(proplist[3]), "Ti"));
free(proplist);
testassert(proto2 == objc_getProtocol("EmptyProto"));
testassert(0 == strcmp(protocol_getName(proto2), "EmptyProto"));
protolist = protocol_copyProtocolList(proto2, &count);
testassert(!protolist);
testassert(count == 0);
testassert(!protocol_conformsToProtocol(proto2, proto));
testassert(!protocol_conformsToProtocol(proto2,@protocol(SuperProto)));
testassert(!protocol_conformsToProtocol(proto2,@protocol(UnrelatedProto)));
desclist = protocol_copyMethodDescriptionList(proto2, YES, YES, &count);
testassert(!desclist && count == 0);
desclist = protocol_copyMethodDescriptionList(proto2, YES, NO, &count);
testassert(!desclist && count == 0);
desclist = protocol_copyMethodDescriptionList(proto2, NO, YES, &count);
testassert(!desclist && count == 0);
desclist = protocol_copyMethodDescriptionList(proto2, NO, NO, &count);
testassert(!desclist && count == 0);
// Immutability of existing protocols
objc_registerProtocol(proto);
protocol_addProtocol(proto, @protocol(SuperProto2));
protocol_addMethodDescription(proto, @selector(foo), "", YES, YES);
objc_registerProtocol(@protocol(SuperProto));
protocol_addProtocol(@protocol(SuperProto), @protocol(SuperProto2));
protocol_addMethodDescription(@protocol(SuperProto), @selector(foo), "", YES, YES);
// No duplicates
proto = objc_allocateProtocol("SuperProto");
testassert(!proto);
proto = objc_allocateProtocol("Proto1");
testassert(!proto);
// NULL protocols ignored
protocol_addProtocol((__bridge Protocol *)((void*)1), NULL);
protocol_addProtocol(NULL, (__bridge Protocol *)((void*)1));
protocol_addProtocol(NULL, NULL);
protocol_addMethodDescription(NULL, @selector(foo), "", YES, YES);
succeed(__FILE__);
}