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KWBeBetweenMatcher.m
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KWBeBetweenMatcher.m
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//
// Licensed under the terms in License.txt
//
// Copyright 2010 Allen Ding. All rights reserved.
//
#import "KWBeBetweenMatcher.h"
#import "KWFormatter.h"
@interface KWBeBetweenMatcher()
#pragma mark -
#pragma mark Properties
@property (nonatomic, readwrite, retain) id lowerEndpoint;
@property (nonatomic, readwrite, retain) id upperEndpoint;
@end
@implementation KWBeBetweenMatcher
#pragma mark -
#pragma mark Initializing
- (void)dealloc {
[lowerEndpoint release];
[upperEndpoint release];
[super dealloc];
}
#pragma mark -
#pragma mark Properties
@synthesize lowerEndpoint;
@synthesize upperEndpoint;
#pragma mark -
#pragma mark Getting Matcher Strings
+ (NSArray *)matcherStrings {
return [NSArray arrayWithObjects:@"beBetween:and:", @"beInTheIntervalFrom:to:", nil];
}
#pragma mark -
#pragma mark Matching
- (BOOL)evaluate {
if (![self.subject respondsToSelector:@selector(compare:)])
[NSException raise:@"KWMatcherException" format:@"subject does not respond to -compare:"];
NSComparisonResult lowerResult = [self.subject compare:self.lowerEndpoint];
NSComparisonResult upperResult = [self.subject compare:self.upperEndpoint];
return (lowerResult == NSOrderedDescending || lowerResult == NSOrderedSame) &&
(upperResult == NSOrderedAscending || upperResult == NSOrderedSame);
}
#pragma mark -
#pragma mark Getting Failure Messages
- (NSString *)failureMessageForShould {
return [NSString stringWithFormat:@"expected subject to be in the interval [%@, %@], got %@",
[KWFormatter formatObject:self.lowerEndpoint],
[KWFormatter formatObject:self.upperEndpoint],
[KWFormatter formatObject:self.subject]];
}
- (NSString *)description
{
return [NSString stringWithFormat:@"be between %@ and %@", self.lowerEndpoint, self.upperEndpoint];
}
#pragma mark -
#pragma mark Configuring Matchers
- (void)beBetween:(id)aLowerEndpoint and:(id)anUpperEndpoint {
[self beInTheIntervalFrom:aLowerEndpoint to:anUpperEndpoint];
}
- (void)beInTheIntervalFrom:(id)aLowerEndpoint to:(id)anUpperEndpoint {
self.lowerEndpoint = aLowerEndpoint;
self.upperEndpoint = anUpperEndpoint;
}
@end