Kare Morstol
47 lines
1.3 KiB
Swift
47 lines
1.3 KiB
Swift
//
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// TestHelpers.swift
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// SwiftShell
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//
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// Created by Kåre Morstøl on 30.01.2017.
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//
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import XCTest
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/// Verifies the closure does not throw any errors.
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///
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/// AssertDoesNotThrow {
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/// try something()
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/// }
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///
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func AssertDoesNotThrow(_ closure: () throws -> ()) {
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do {
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try closure()
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} catch {
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XCTFail(String(describing: error))
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}
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}
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// From https://github.com/mrackwitz/CatchingFire/blob/master/src/CatchingFire.swift
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/// Verifies the closure throws the expected error.
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///
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/// AssertThrows(Error.ArgumentMayNotBeNegative) {
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/// try fib(-1)
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/// }
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///
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/// If the closure does not throw the expected error, the test fails.
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public func AssertThrows<E>(_ expectedError: E,
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file: StaticString = #file, line: UInt = #line, _ closure: () throws -> ())
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where E: Error, E: Equatable {
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do {
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try closure()
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XCTFail("Expected to catch <\(expectedError)>, but no error was thrown.", file: file, line: line)
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} catch let error as E {
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XCTAssertEqual(error, expectedError,
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"Caught error <\(error)> is of the expected type <\(E.self)>, "
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+ "but not the expected case <\(expectedError)>.", file: file, line: line)
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} catch {
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XCTFail("Caught error <\(error)>, but not of the expected type and value <\(expectedError)>.", file: file, line: line)
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}
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}
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