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Add testLine

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This commit is contained in:
Rob Napier
2019-12-07 15:18:34 -05:00
parent db6dcf5b9b
commit 5310ff6b73
1 changed files with 37 additions and 1 deletions
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38
PathText/Tests/PathTextTests/PathTextTests.swift
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@@ -92,7 +92,6 @@ final class PathTextTests: XCTestCase {
let tangents = path.tangents(atLocations: [0, 100, 200, 300, 400, 500, 600, 700])
XCTAssertEqual(tangents, [
PathTangent(t: 0, point: CGPoint(x: 0, y: 0), angle: 0),
PathTangent(t: 0.12500000000000008, point: CGPoint(x: 100.00000000000007, y: 0), angle: 0),
@@ -105,6 +104,43 @@ final class PathTextTests: XCTestCase {
])
}
func testLine() {
let P0 = CGPoint(x: 0, y: 0)
let P1 = CGPoint(x: 800, y: 800)
let path = Path() {
$0.move(to: P0)
$0.addLine(to: P1)
}
let sections = path.sections()
XCTAssertEqual(sections.count, 1)
guard let section = sections.first as? PathLineSection else {
XCTFail()
return
}
XCTAssertEqual(section.start, P0)
XCTAssertEqual(section.end, P1)
let tangents = path.tangents(atLocations: [0, 100, 200, 300, 400, 500, 600, 700])
let angle: CGFloat = atan(1)
XCTAssertEqual(tangents, [
PathTangent(t: 0.0, point: CGPoint(x: 0.0, y: 0.0), angle: angle),
PathTangent(t: 0.08900000000000007, point: CGPoint(x: 71.200000000000050, y: 71.200000000000050), angle: angle),
PathTangent(t: 0.17800000000000013, point: CGPoint(x: 142.40000000000010, y: 142.40000000000010), angle: angle),
PathTangent(t: 0.26700000000000020, point: CGPoint(x: 213.60000000000014, y: 213.60000000000014), angle: angle),
PathTangent(t: 0.35600000000000026, point: CGPoint(x: 284.80000000000020, y: 284.80000000000020), angle: angle),
PathTangent(t: 0.44500000000000034, point: CGPoint(x: 356.00000000000030, y: 356.00000000000030), angle: angle),
PathTangent(t: 0.53400000000000040, point: CGPoint(x: 427.20000000000030, y: 427.20000000000030), angle: angle),
PathTangent(t: 0.62300000000000040, point: CGPoint(x: 498.40000000000040, y: 498.40000000000040), angle: angle),
])
}
static var allTests = [
("testCurve", testCurve),
("testFlatLine", testFlatLine),