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EquivalenceClassSetTest.m
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EquivalenceClassSetTest.m
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//
// EquivalenceClassSet.h
// iTerm
//
// Created by George Nachman on 12/28/11.
// Copyright (c) 2011 Georgetech. All rights reserved.
//
#import <Foundation/Foundation.h>
#import "EquivalenceClassSet.h"
@implementation EquivalenceClassSetTest
+ (void)basicTest
{
NSNumber *n1 = [NSNumber numberWithInt:10];
NSNumber *n2 = [NSNumber numberWithInt:11];
NSNumber *n3 = [NSNumber numberWithInt:12];
EquivalenceClassSet *e = [[[EquivalenceClassSet alloc] init] autorelease];
[e setValue:n1 equalToValue:n2];
NSArray *ec = [e valuesEqualTo:n1];
assert(ec.count == 2);
assert([ec containsObject:n1]);
assert([ec containsObject:n2]);
ec = [e valuesEqualTo:n2];
assert(ec.count == 2);
assert([ec containsObject:n1]);
assert([ec containsObject:n2]);
ec = [e valuesEqualTo:n3];
assert(ec.count == 0);
}
+ (void)doubleAdd
{
NSNumber *n1 = [NSNumber numberWithInt:10];
NSNumber *n2 = [NSNumber numberWithInt:11];
EquivalenceClassSet *e = [[[EquivalenceClassSet alloc] init] autorelease];
[e setValue:n1 equalToValue:n2];
[e setValue:n1 equalToValue:n2];
NSArray *ec = [e valuesEqualTo:n1];
assert(ec.count == 2);
assert([ec containsObject:n1]);
assert([ec containsObject:n2]);
}
+ (void)mergeClasses
{
NSNumber *n1 = [NSNumber numberWithInt:10];
NSNumber *n2 = [NSNumber numberWithInt:11];
NSNumber *n3 = [NSNumber numberWithInt:12];
NSNumber *n4 = [NSNumber numberWithInt:13];
EquivalenceClassSet *e = [[[EquivalenceClassSet alloc] init] autorelease];
[e setValue:n1 equalToValue:n2];
[e setValue:n3 equalToValue:n4];
NSArray *ec = [e valuesEqualTo:n1];
assert(ec.count == 2);
assert([ec containsObject:n1]);
assert([ec containsObject:n2]);
ec = [e valuesEqualTo:n3];
assert(ec.count == 2);
assert([ec containsObject:n3]);
assert([ec containsObject:n4]);
[e setValue:n1 equalToValue:n3];
ec = [e valuesEqualTo:n3];
assert(ec.count == 4);
assert([ec containsObject:n1]);
assert([ec containsObject:n2]);
assert([ec containsObject:n3]);
assert([ec containsObject:n4]);
}
+ (void)growClass
{
NSNumber *n1 = [NSNumber numberWithInt:10];
NSNumber *n2 = [NSNumber numberWithInt:11];
NSNumber *n3 = [NSNumber numberWithInt:12];
EquivalenceClassSet *e = [[[EquivalenceClassSet alloc] init] autorelease];
[e setValue:n1 equalToValue:n2];
[e setValue:n1 equalToValue:n3];
NSArray *ec = [e valuesEqualTo:n1];
assert(ec.count == 3);
assert([ec containsObject:n1]);
assert([ec containsObject:n2]);
assert([ec containsObject:n3]);
}
+ (void)growClassReverseArgs
{
NSNumber *n1 = [NSNumber numberWithInt:10];
NSNumber *n2 = [NSNumber numberWithInt:11];
NSNumber *n3 = [NSNumber numberWithInt:12];
EquivalenceClassSet *e = [[[EquivalenceClassSet alloc] init] autorelease];
[e setValue:n1 equalToValue:n2];
[e setValue:n3 equalToValue:n1];
NSArray *ec = [e valuesEqualTo:n1];
assert(ec.count == 3);
assert([ec containsObject:n1]);
assert([ec containsObject:n2]);
assert([ec containsObject:n3]);
}
+ (void)removeValue
{
NSNumber *n1 = [NSNumber numberWithInt:10];
NSNumber *n2 = [NSNumber numberWithInt:11];
NSNumber *n3 = [NSNumber numberWithInt:12];
EquivalenceClassSet *e = [[[EquivalenceClassSet alloc] init] autorelease];
[e setValue:n1 equalToValue:n2];
[e setValue:n3 equalToValue:n1];
[e removeValue:n2];
NSArray *ec = [e valuesEqualTo:n1];
assert(ec.count == 2);
assert([ec containsObject:n1]);
assert([ec containsObject:n3]);
}
+ (void)removeValueErasingSet
{
NSNumber *n1 = [NSNumber numberWithInt:10];
NSNumber *n2 = [NSNumber numberWithInt:11];
EquivalenceClassSet *e = [[[EquivalenceClassSet alloc] init] autorelease];
[e setValue:n1 equalToValue:n2];
[e removeValue:n2];
NSArray *ec = [e valuesEqualTo:n1];
assert(!ec);
}
+ (void)runTests
{
[EquivalenceClassSetTest basicTest];
[EquivalenceClassSetTest doubleAdd];
[EquivalenceClassSetTest growClass];
[EquivalenceClassSetTest growClassReverseArgs];
[EquivalenceClassSetTest mergeClasses];
[EquivalenceClassSetTest removeValue];
[EquivalenceClassSetTest removeValueErasingSet];
}
@end