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[ark-physics-kit] tests: test physics body
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76 changes: 76 additions & 0 deletions
76
ArkKitTests/ark-physics-kit-tests/ArkSKPhysicsBodyTests.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| import XCTest | ||
| @testable import ArkKit | ||
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| class ArkSKPhysicsBodyTests: XCTestCase { | ||
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| func testInitWithRectangle() { | ||
| let body = ArkSKPhysicsBody(rectangleOf: CGSize(width: 100, height: 50)) | ||
| XCTAssertNotNil(body.node.physicsBody, "Physics body should not be nil.") | ||
| } | ||
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| func testInitWithCircle() { | ||
| let body = ArkSKPhysicsBody(circleOf: 30) | ||
| XCTAssertNotNil(body.node.physicsBody, "Physics body should not be nil.") | ||
| } | ||
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| func testPolygonInitWithValidVertices() { | ||
| let vertices = [CGPoint(x: -50, y: -50), CGPoint(x: 50, y: -50), CGPoint(x: 50, y: 50), CGPoint(x: -50, y: 50)] | ||
| let body = ArkSKPhysicsBody(polygonOf: vertices) | ||
| XCTAssertNotNil(body.node.physicsBody, "Physics body should not be nil for a valid polygon.") | ||
| } | ||
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| func testPropertyAccessorsAndMutators() { | ||
| let body = ArkSKPhysicsBody(circleOf: 10) | ||
| body.position = CGPoint(x: 10, y: 10) | ||
| body.mass = 5.0 | ||
| body.velocity = CGVector(dx: 5, dy: 5) | ||
| body.isDynamic = false | ||
| body.affectedByGravity = false | ||
| body.linearDamping = 0.5 | ||
| body.angularDamping = 0.5 | ||
| body.allowsRotation = false | ||
| body.friction = 0.25 | ||
| body.restitution = 0.25 | ||
| body.categoryBitMask = 0x00000001 | ||
| body.collisionBitMask = 0x00000002 | ||
| body.contactTestBitMask = 0x00000004 | ||
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| XCTAssertEqual(body.position, CGPoint(x: 10, y: 10)) | ||
| XCTAssertEqual(body.mass, 5.0, accuracy: 0.0001) | ||
| XCTAssertEqual(body.velocity.dx, 5.0, accuracy: 0.0001) | ||
| XCTAssertEqual(body.velocity.dy, 5.0, accuracy: 0.0001) | ||
| XCTAssertFalse(body.isDynamic) | ||
| XCTAssertFalse(body.affectedByGravity) | ||
| XCTAssertEqual(body.linearDamping, 0.5, accuracy: 0.0001) | ||
| XCTAssertEqual(body.angularDamping, 0.5, accuracy: 0.0001) | ||
| XCTAssertFalse(body.allowsRotation) | ||
| XCTAssertEqual(body.friction, 0.25, accuracy: 0.0001) | ||
| XCTAssertEqual(body.restitution, 0.25, accuracy: 0.0001) | ||
| XCTAssertEqual(body.categoryBitMask, 0x00000001) | ||
| XCTAssertEqual(body.collisionBitMask, 0x00000002) | ||
| XCTAssertEqual(body.contactTestBitMask, 0x00000004) | ||
| } | ||
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| func testApplyImpulse() { | ||
| let body = ArkSKPhysicsBody(circleOf: 20) | ||
| let impulse = CGVector(dx: 10, dy: 10) | ||
| body.applyImpulse(impulse) | ||
| } | ||
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| func testApplyAngularImpulse() { | ||
| let body = ArkSKPhysicsBody(circleOf: 20) | ||
| let impulse: CGFloat = 5.0 | ||
| body.applyAngularImpulse(impulse) | ||
| } | ||
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| func testEqualityAndHashable() { | ||
| let body1 = ArkSKPhysicsBody(circleOf: 20) | ||
| let body2 = body1 | ||
| let body3 = ArkSKPhysicsBody(circleOf: 20) | ||
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| XCTAssertEqual(body1, body2, | ||
| "Same instances should be equal") | ||
| XCTAssertNotEqual(body1, body3, | ||
| "Different instances with same properties should not be equal due to node identity") | ||
| } | ||
| } |
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