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Jigish Patel
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| // | ||
| // TestMathUtils.h | ||
| // Slate | ||
| // | ||
| // Created by Jigish Patel on 10/16/12. | ||
| // Copyright 2011 Jigish Patel. All rights reserved. | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see http://www.gnu.org/licenses | ||
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| #import <SenTestingKit/SenTestingKit.h> | ||
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| @interface TestMathUtils : SenTestCase | ||
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| @end |
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| // | ||
| // TestMathUtils.m | ||
| // Slate | ||
| // | ||
| // Created by Jigish Patel on 10/16/12. | ||
| // Copyright 2011 Jigish Patel. All rights reserved. | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see http://www.gnu.org/licenses | ||
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| #import "TestMathUtils.h" | ||
| #import "MathUtils.h" | ||
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| @implementation TestMathUtils | ||
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| - (void)testIsRectBiggerThan { | ||
| NSRect a = NSMakeRect(0, 0, 100, 100); | ||
| NSRect b = NSMakeRect(0, 0, 200, 90); | ||
| NSRect c = NSMakeRect(0, 0, 90, 200); | ||
| NSRect d = NSMakeRect(0, 0, 200, 200); | ||
| NSRect e = NSMakeRect(0, 0, 200, 1); | ||
| NSRect f = NSMakeRect(0, 0, 1, 200); | ||
| NSRect g = NSMakeRect(1000, 1000, 1, 1); | ||
| NSRect h = NSMakeRect(1000, 1000, 101, 101); | ||
| STAssertFalse([MathUtils isRect:a biggerThan:b], @"0,0,100,100 should be smaller than 0,0,200,90"); | ||
| STAssertFalse([MathUtils isRect:a biggerThan:c], @"0,0,100,100 should be smaller than 0,0,90,200"); | ||
| STAssertFalse([MathUtils isRect:a biggerThan:d], @"0,0,100,100 should be smaller than 0,0,200,200"); | ||
| STAssertTrue([MathUtils isRect:a biggerThan:e], @"0,0,100,100 should be bigger than 0,0,200,1"); | ||
| STAssertTrue([MathUtils isRect:a biggerThan:f], @"0,0,100,100 should be bigger than 0,0,1,200"); | ||
| STAssertTrue([MathUtils isRect:a biggerThan:g], @"0,0,100,100 should be bigger than 1000,1000,1,1"); | ||
| STAssertFalse([MathUtils isRect:a biggerThan:h], @"0,0,100,100 should be smaller than 1000,1000,101,101"); | ||
| } | ||
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| - (void)testFlipYCoordinateOfRectWithReference { | ||
| NSRect a = NSMakeRect(0, 0, 100, 100); | ||
| NSRect b = NSMakeRect(0, 0, 1000, 1000); | ||
| NSRect flipped = [MathUtils flipYCoordinateOfRect:a withReference:b]; | ||
| STAssertTrue(NSEqualRects(flipped, NSMakeRect(0,900,100,100)), @"Flipping should work"); | ||
| a = NSMakeRect(0,-100, 100, 1500); | ||
| b = NSMakeRect(0, 0, 1000, 1000); | ||
| flipped = [MathUtils flipYCoordinateOfRect:a withReference:b]; | ||
| STAssertTrue(NSEqualRects(flipped, NSMakeRect(0,-400,100,1500)), @"Flipping should work"); | ||
| } | ||
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| - (void)testScaleRectFactor { | ||
| NSRect a = NSMakeRect(100, 200, 100, 200); | ||
| NSRect scaled = [MathUtils scaleRect:a factor:2.0]; | ||
| STAssertTrue(NSEqualRects(scaled, NSMakeRect(100,200,200,400)), @"Scaling should work"); | ||
| a = NSMakeRect(100, 200, 100, 200); | ||
| scaled = [MathUtils scaleRect:a factor:0.5]; | ||
| STAssertTrue(NSEqualRects(scaled, NSMakeRect(100,200,50,100)), @"Scaling should work"); | ||
| a = NSMakeRect(100, 200, 100, 200); | ||
| scaled = [MathUtils scaleRect:a factor:2.5]; | ||
| STAssertTrue(NSEqualRects(scaled, NSMakeRect(100,200,250,500)), @"Scaling should work"); | ||
| } | ||
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| - (void)testWeightedIntersectionOfAndWeight { | ||
| NSRect a = NSMakeRect(0, 0, 100, 100); | ||
| NSRect b = NSMakeRect(1000, 1000, 100, 100); | ||
| NSRect c = NSMakeRect(0, 0, 50, 50); | ||
| NSRect d = NSMakeRect(50, 50, 100, 100); | ||
| NSRect intersection = [MathUtils weightedIntersectionOf:a and:b weight:1]; | ||
| STAssertTrue(NSEqualRects(intersection, NSMakeRect(0, 0, 0, 0)), @"Weighted Intersection should work"); | ||
| intersection = [MathUtils weightedIntersectionOf:a and:b weight:2]; | ||
| STAssertTrue(NSEqualRects(intersection, NSMakeRect(0, 0, 0, 0)), @"Weighted Intersection should work"); | ||
| intersection = [MathUtils weightedIntersectionOf:a and:b weight:0.5]; | ||
| STAssertTrue(NSEqualRects(intersection, NSMakeRect(0, 0, 0, 0)), @"Weighted Intersection should work"); | ||
| intersection = [MathUtils weightedIntersectionOf:a and:c weight:1]; | ||
| STAssertTrue(NSEqualRects(intersection, NSMakeRect(0, 0, 50, 50)), @"Weighted Intersection should work"); | ||
| intersection = [MathUtils weightedIntersectionOf:a and:c weight:2]; | ||
| STAssertTrue(NSEqualRects(intersection, NSMakeRect(0, 0, 100, 100)), @"Weighted Intersection should work"); | ||
| intersection = [MathUtils weightedIntersectionOf:a and:c weight:0.5]; | ||
| STAssertTrue(NSEqualRects(intersection, NSMakeRect(0, 0, 25, 25)), @"Weighted Intersection should work"); | ||
| intersection = [MathUtils weightedIntersectionOf:a and:d weight:1]; | ||
| STAssertTrue(NSEqualRects(intersection, NSMakeRect(50, 50, 50, 50)), @"Weighted Intersection should work"); | ||
| intersection = [MathUtils weightedIntersectionOf:a and:d weight:2]; | ||
| STAssertTrue(NSEqualRects(intersection, NSMakeRect(50, 50, 100, 100)), @"Weighted Intersection should work"); | ||
| intersection = [MathUtils weightedIntersectionOf:a and:d weight:0.5]; | ||
| STAssertTrue(NSEqualRects(intersection, NSMakeRect(50, 50, 25, 25)), @"Weighted Intersection should work"); | ||
| } | ||
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| @end |