mirror of
https://github.com/realm/SwiftLint.git
synced 2026-05-07 20:12:49 +00:00
Danny Mösch
25 lines
1.0 KiB
Swift
25 lines
1.0 KiB
Swift
import SourceKittenFramework
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import SwiftLintCore
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import TestHelpers
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import XCTest
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final class StringViewExtensionTests: SwiftLintTestCase {
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func testByteOffsetInvalidCases() {
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let view = StringView("")
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XCTAssertNil(view.byteOffset(forLine: 0, bytePosition: 1))
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XCTAssertNil(view.byteOffset(forLine: 1, bytePosition: 0))
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XCTAssertNil(view.byteOffset(forLine: -10, bytePosition: 1))
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XCTAssertNil(view.byteOffset(forLine: 0, bytePosition: -11))
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XCTAssertNil(view.byteOffset(forLine: 2, bytePosition: 1))
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}
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func testByteOffsetFromLineAndBytePosition() {
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XCTAssertEqual(StringView("").byteOffset(forLine: 1, bytePosition: 1), 0)
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XCTAssertEqual(StringView("a").byteOffset(forLine: 1, bytePosition: 1), 0)
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XCTAssertEqual(StringView("aaa").byteOffset(forLine: 1, bytePosition: 3), 2)
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XCTAssertEqual(StringView("a🍰a").byteOffset(forLine: 1, bytePosition: 6), 5)
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XCTAssertEqual(StringView("a🍰a\na").byteOffset(forLine: 2, bytePosition: 1), 7)
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}
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}
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