1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150
|
//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#import <objc/Ice.h>
#import <TestCommon.h>
#import <HashTest.h>
#import <Foundation/Foundation.h>
void
hashAllTests(void)
{
int maxCollisions = 10;
int maxIterations = 10000;
{
tprintf("testing proxy hash algorithm collisions... ");
int collisions = 0;
ICEInitializationData* initData = [ICEInitializationData initializationData];
initData.properties = [ICEUtil createProperties];
id<ICECommunicator> communicator = [ICEUtil createCommunicator:initData];
NSMutableDictionary* seenObject = [[NSMutableDictionary alloc] init];
for(int i = 0; collisions < maxCollisions && i < maxIterations; ++i)
{
NSString* s = [NSString stringWithFormat:@"%i:tcp -p %i -t 10%i:udp -p %i -h %i",
i, arc4random() % 65536, arc4random() % 1000000,
arc4random() % 65536, arc4random() % 100];
ICEObjectPrx* obj = [communicator stringToProxy:s];
NSNumber* hash = [NSNumber numberWithUnsignedInteger:[obj hash]];
if([seenObject objectForKey:hash])
{
if([obj isEqual:[seenObject objectForKey:hash]])
{
continue;
}
++collisions;
}
else
{
[seenObject setObject:obj forKey:hash];
}
//
// Test the same object produce always the same hash.
//
test([obj hash] == [obj hash]);
test(collisions < maxCollisions);
}
[seenObject removeAllObjects];
[communicator destroy];
ICE_RELEASE(seenObject);
tprintf("ok\n");
}
tprintf("testing struct hash algorithm collisions... ");
{
int collisions = 0;
NSMutableDictionary* seenObject = [[NSMutableDictionary alloc] init];
for(int i = 0; collisions < maxCollisions && i < maxIterations; ++i)
{
TestHashPoint* obj = [TestHashPoint point:(arc4random() % 1000)
y:(arc4random() % 1000)];
NSNumber* hash = [NSNumber numberWithUnsignedInteger:[obj hash]];
if([seenObject objectForKey:hash])
{
if([obj isEqual:[seenObject objectForKey:hash]])
{
continue;
}
++collisions;
}
else
{
[seenObject setObject:obj forKey:hash];
}
//
// Test the same object produce always the same hash.
//
test([obj hash] == [obj hash]);
test(collisions < maxCollisions);
}
[seenObject removeAllObjects];
ICE_RELEASE(seenObject);
}
{
int collisions = 0;
NSMutableDictionary* seenObject = [[NSMutableDictionary alloc] init];
for(int i = 0; collisions < maxCollisions && i < maxIterations; ++i)
{
TestHashPointF* obj = [TestHashPointF pointF:(arc4random() % 1000) / 3.0f
y:(arc4random() % 1000) / 5.0f
z:(arc4random() % 1000) / 7.0f];
NSNumber* hash = [NSNumber numberWithUnsignedInteger:[obj hash]];
if([seenObject objectForKey:hash])
{
if([obj isEqual:[seenObject objectForKey:hash]])
{
continue;
}
++collisions;
}
else
{
[seenObject setObject:obj forKey:hash];
}
//
// Test the same object produce always the same hash.
//
test([obj hash] == [obj hash]);
test(collisions < maxCollisions);
}
[seenObject removeAllObjects];
ICE_RELEASE(seenObject);
}
{
int collisions = 0;
NSMutableDictionary* seenObject = [[NSMutableDictionary alloc] init];
for(int i = 0; collisions < maxCollisions && i < maxIterations; ++i)
{
TestHashPointD* obj = [TestHashPointD pointD:(arc4random() % 1000)/3.0
y:(arc4random() % 1000)/5.0
z:(arc4random() % 1000)/7.0];
NSNumber* hash = [NSNumber numberWithUnsignedInteger:[obj hash]];
if([seenObject objectForKey:hash])
{
if([obj isEqual:[seenObject objectForKey:hash]])
{
continue;
}
++collisions;
}
else
{
[seenObject setObject:obj forKey:hash];
}
//
// Test the same object produce always the same hash.
//
test([obj hash] == [obj hash]);
test(collisions < maxCollisions);
}
[seenObject removeAllObjects];
ICE_RELEASE(seenObject);
}
tprintf("ok\n");
}
|