FBMathUtilsTests.m 4.8 KB

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  1. /**
  2. * Copyright (c) 2015-present, Facebook, Inc.
  3. * All rights reserved.
  4. *
  5. * This source code is licensed under the BSD-style license found in the
  6. * LICENSE file in the root directory of this source tree. An additional grant
  7. * of patent rights can be found in the PATENTS file in the same directory.
  8. */
  9. #import <XCTest/XCTest.h>
  10. #import "FBMathUtils.h"
  11. @interface FBMathUtilsTests : XCTestCase
  12. @end
  13. @implementation FBMathUtilsTests
  14. - (void)testGetCenter
  15. {
  16. XCTAssertTrue(CGPointEqualToPoint(FBRectGetCenter(CGRectMake(0, 0, 4, 4)), CGPointMake(2, 2)));
  17. XCTAssertTrue(CGPointEqualToPoint(FBRectGetCenter(CGRectMake(1, 1, 4, 4)), CGPointMake(3, 3)));
  18. XCTAssertTrue(CGPointEqualToPoint(FBRectGetCenter(CGRectMake(1, 3, 6, 14)), CGPointMake(4, 10)));
  19. }
  20. - (void)testFuzzyEqualFloats
  21. {
  22. XCTAssertTrue(FBFloatFuzzyEqualToFloat(0, 0, 0));
  23. XCTAssertTrue(FBFloatFuzzyEqualToFloat(0.5, 0.6, 0.2));
  24. XCTAssertTrue(FBFloatFuzzyEqualToFloat(0.6, 0.5, 0.2));
  25. XCTAssertTrue(FBFloatFuzzyEqualToFloat(0.5, 0.6, 0.10001));
  26. }
  27. - (void)testFuzzyNotEqualFloats
  28. {
  29. XCTAssertFalse(FBFloatFuzzyEqualToFloat(0, 1, 0));
  30. XCTAssertFalse(FBFloatFuzzyEqualToFloat(1, 0, 0));
  31. XCTAssertFalse(FBFloatFuzzyEqualToFloat(0.5, 0.6, 0.05));
  32. XCTAssertFalse(FBFloatFuzzyEqualToFloat(0.6, 0.5, 0.05));
  33. }
  34. - (void)testFuzzyEqualPoints
  35. {
  36. CGPoint referencePoint = CGPointMake(3, 3);
  37. XCTAssertTrue(FBPointFuzzyEqualToPoint(referencePoint, CGPointMake(3, 3), 2));
  38. XCTAssertTrue(FBPointFuzzyEqualToPoint(referencePoint, CGPointMake(3, 4), 2));
  39. XCTAssertTrue(FBPointFuzzyEqualToPoint(referencePoint, CGPointMake(4, 3), 2));
  40. }
  41. - (void)testFuzzyNotEqualPoints
  42. {
  43. CGPoint referencePoint = CGPointMake(3, 3);
  44. XCTAssertFalse(FBPointFuzzyEqualToPoint(referencePoint, CGPointMake(5, 5), 1));
  45. XCTAssertFalse(FBPointFuzzyEqualToPoint(referencePoint, CGPointMake(3, 5), 1));
  46. XCTAssertFalse(FBPointFuzzyEqualToPoint(referencePoint, CGPointMake(5, 3), 1));
  47. }
  48. - (void)testFuzzyEqualSizes
  49. {
  50. CGSize referenceSize = CGSizeMake(3, 3);
  51. XCTAssertTrue(FBSizeFuzzyEqualToSize(referenceSize, CGSizeMake(3, 3), 2));
  52. XCTAssertTrue(FBSizeFuzzyEqualToSize(referenceSize, CGSizeMake(3, 4), 2));
  53. XCTAssertTrue(FBSizeFuzzyEqualToSize(referenceSize, CGSizeMake(4, 3), 2));
  54. }
  55. - (void)testFuzzyNotEqualSizes
  56. {
  57. CGSize referenceSize = CGSizeMake(3, 3);
  58. XCTAssertFalse(FBSizeFuzzyEqualToSize(referenceSize, CGSizeMake(5, 5), 1));
  59. XCTAssertFalse(FBSizeFuzzyEqualToSize(referenceSize, CGSizeMake(3, 5), 1));
  60. XCTAssertFalse(FBSizeFuzzyEqualToSize(referenceSize, CGSizeMake(5, 3), 1));
  61. }
  62. - (void)testFuzzyEqualRects
  63. {
  64. CGRect referenceRect = CGRectMake(3, 3, 3, 3);
  65. XCTAssertTrue(FBRectFuzzyEqualToRect(referenceRect, CGRectMake(3, 3, 3, 3), 2));
  66. XCTAssertTrue(FBRectFuzzyEqualToRect(referenceRect, CGRectMake(3, 4, 3, 3), 2));
  67. XCTAssertTrue(FBRectFuzzyEqualToRect(referenceRect, CGRectMake(4, 3, 3, 3), 2));
  68. XCTAssertTrue(FBRectFuzzyEqualToRect(referenceRect, CGRectMake(3, 3, 3, 4), 2));
  69. XCTAssertTrue(FBRectFuzzyEqualToRect(referenceRect, CGRectMake(3, 3, 4, 3), 2));
  70. }
  71. - (void)testFuzzyNotEqualRects
  72. {
  73. CGRect referenceRect = CGRectMake(3, 3, 3, 3);
  74. XCTAssertFalse(FBRectFuzzyEqualToRect(referenceRect, CGRectMake(5, 5, 5, 5), 1));
  75. XCTAssertFalse(FBRectFuzzyEqualToRect(referenceRect, CGRectMake(3, 5, 3, 3), 1));
  76. XCTAssertFalse(FBRectFuzzyEqualToRect(referenceRect, CGRectMake(5, 3, 3, 3), 1));
  77. XCTAssertFalse(FBRectFuzzyEqualToRect(referenceRect, CGRectMake(3, 3, 3, 5), 1));
  78. XCTAssertFalse(FBRectFuzzyEqualToRect(referenceRect, CGRectMake(3, 3, 5, 3), 1));
  79. }
  80. - (void)testFuzzyEqualRectsSymmetry
  81. {
  82. CGRect referenceRect = CGRectMake(0, 0, 2, 2);
  83. XCTAssertFalse(FBRectFuzzyEqualToRect(referenceRect, CGRectMake(1, 1, 3, 3), 1));
  84. XCTAssertFalse(FBRectFuzzyEqualToRect(referenceRect, CGRectMake(-1, -1, 1, 1), 1));
  85. }
  86. - (void)testSizeInversion
  87. {
  88. const CGSize screenSizePortrait = CGSizeMake(10, 15);
  89. const CGSize screenSizeLandscape = CGSizeMake(15, 10);
  90. const CGFloat t = FBDefaultFrameFuzzyThreshold;
  91. XCTAssertTrue(FBSizeFuzzyEqualToSize(screenSizePortrait, FBAdjustDimensionsForApplication(screenSizePortrait, UIInterfaceOrientationPortrait), t));
  92. XCTAssertTrue(FBSizeFuzzyEqualToSize(screenSizePortrait, FBAdjustDimensionsForApplication(screenSizePortrait, UIInterfaceOrientationPortraitUpsideDown), t));
  93. XCTAssertTrue(FBSizeFuzzyEqualToSize(screenSizeLandscape, FBAdjustDimensionsForApplication(screenSizePortrait, UIInterfaceOrientationLandscapeLeft), t));
  94. XCTAssertTrue(FBSizeFuzzyEqualToSize(screenSizeLandscape, FBAdjustDimensionsForApplication(screenSizePortrait, UIInterfaceOrientationLandscapeRight), t));
  95. XCTAssertTrue(FBSizeFuzzyEqualToSize(screenSizeLandscape, FBAdjustDimensionsForApplication(screenSizeLandscape, UIInterfaceOrientationLandscapeLeft), t));
  96. XCTAssertTrue(FBSizeFuzzyEqualToSize(screenSizeLandscape, FBAdjustDimensionsForApplication(screenSizeLandscape, UIInterfaceOrientationLandscapeRight), t));
  97. }
  98. @end