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|
// RUN: %{swiftc} %s -o %T/ErrorHandling
// RUN: %T/ErrorHandling > %t || true
// RUN: %{xctest_checker} %t %s
#if os(macOS)
import SwiftXCTest
#else
import XCTest
#endif
// CHECK: Test Suite 'All tests' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Suite '.*\.xctest' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Suite 'ErrorHandling' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
class ErrorHandling: XCTestCase {
static var allTests = {
return [
// Tests for XCTAssertThrowsError
("test_shouldRethrowErrorFromHandler", test_shouldRethrowErrorFromHandler),
("test_shouldNotRethrowWhenHandlerDoesNotThrow", test_shouldNotRethrowWhenHandlerDoesNotThrow),
("test_shouldButDoesNotThrowErrorInAssertion", test_shouldButDoesNotThrowErrorInAssertion),
("test_shouldThrowErrorInAssertion", test_shouldThrowErrorInAssertion),
("test_throwsErrorInAssertionButFailsWhenCheckingError", test_throwsErrorInAssertionButFailsWhenCheckingError),
// Tests for "testFoo() throws"
("test_canAndDoesThrowErrorFromTestMethod", test_canAndDoesThrowErrorFromTestMethod),
("test_canButDoesNotThrowErrorFromTestMethod", test_canButDoesNotThrowErrorFromTestMethod),
// Tests for throwing assertion expressions
("test_assertionExpressionCanThrow", test_assertionExpressionCanThrow),
// Tests for XCTAssertNoThrow
("test_shouldNotThrowErrorDefiningSuccess", test_shouldNotThrowErrorDefiningSuccess),
("test_shouldThrowErrorDefiningFailure", test_shouldThrowErrorDefiningFailure),
// Tests for XCTUnwrap
("test_shouldNotThrowErrorOnUnwrapSuccess", test_shouldNotThrowErrorOnUnwrapSuccess),
("test_shouldThrowErrorOnUnwrapFailure", test_shouldThrowErrorOnUnwrapFailure),
("test_shouldThrowErrorOnEvaluationFailure", test_shouldThrowErrorOnEvaluationFailure),
("test_implicitlyUnwrappedOptional_notNil", test_implicitlyUnwrappedOptional_notNil),
("test_implicitlyUnwrappedOptional_nil", test_implicitlyUnwrappedOptional_nil),
("test_unwrapAnyOptional_notNil", test_unwrapAnyOptional_notNil),
("test_unwrapAnyOptional_nil", test_unwrapAnyOptional_nil),
("test_shouldReportFailureOnUnwrapFailure_catchUnwrapFailure", test_shouldReportFailureOnUnwrapFailure_catchUnwrapFailure),
("test_shouldReportFailureOnUnwrapFailure_catchExpressionFailure", test_shouldReportFailureOnUnwrapFailure_catchExpressionFailure),
("test_shouldReportCorrectTypeOnUnwrapFailure", test_shouldReportCorrectTypeOnUnwrapFailure),
("test_shouldReportCustomFileLineLocation", test_shouldReportCustomFileLineLocation),
("test_shouldReportFailureNotOnMainThread", test_shouldReportFailureNotOnMainThread),
]
}()
func functionThatDoesNotThrowError() throws {
}
enum SomeError: Swift.Error {
case anError(String)
case shouldNotBeReached
}
func functionThatDoesThrowError() throws {
throw SomeError.anError("an error message")
}
// CHECK: Test Case 'ErrorHandling.test_shouldRethrowErrorFromHandler' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+3]]: error: ErrorHandling.test_shouldRethrowErrorFromHandler : XCTAssertThrowsError threw error "anError\("an error message"\)" -
// CHECK: Test Case 'ErrorHandling.test_shouldRethrowErrorFromHandler' failed \(\d+\.\d+ seconds\)
func test_shouldRethrowErrorFromHandler() throws {
try XCTAssertThrowsError(try functionThatDoesThrowError()) {_ in try functionThatDoesThrowError() }
}
// CHECK: Test Case 'ErrorHandling.test_shouldNotRethrowWhenHandlerDoesNotThrow' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Case 'ErrorHandling.test_shouldNotRethrowWhenHandlerDoesNotThrow' passed \(\d+\.\d+ seconds\)
func test_shouldNotRethrowWhenHandlerDoesNotThrow() throws {
try XCTAssertThrowsError(try functionThatDoesThrowError()) {_ in try functionThatDoesNotThrowError() }
}
// CHECK: Test Case 'ErrorHandling.test_shouldButDoesNotThrowErrorInAssertion' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+3]]: error: ErrorHandling.test_shouldButDoesNotThrowErrorInAssertion : XCTAssertThrowsError failed: did not throw error -
// CHECK: Test Case 'ErrorHandling.test_shouldButDoesNotThrowErrorInAssertion' failed \(\d+\.\d+ seconds\)
func test_shouldButDoesNotThrowErrorInAssertion() {
XCTAssertThrowsError(try functionThatDoesNotThrowError())
}
// CHECK: Test Case 'ErrorHandling.test_shouldThrowErrorInAssertion' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Case 'ErrorHandling.test_shouldThrowErrorInAssertion' passed \(\d+\.\d+ seconds\)
func test_shouldThrowErrorInAssertion() {
XCTAssertThrowsError(try functionThatDoesThrowError()) { error in
guard let thrownError = error as? SomeError else {
XCTFail("Threw the wrong type of error")
return
}
switch thrownError {
case .anError(let message):
XCTAssertEqual(message, "an error message")
default:
XCTFail("Unexpected error: \(thrownError)")
}
}
}
// CHECK: Test Case 'ErrorHandling.test_throwsErrorInAssertionButFailsWhenCheckingError' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+11]]: error: ErrorHandling.test_throwsErrorInAssertionButFailsWhenCheckingError : XCTAssertEqual failed: \("an error message"\) is not equal to \(""\) -
// CHECK: Test Case 'ErrorHandling.test_throwsErrorInAssertionButFailsWhenCheckingError' failed \(\d+\.\d+ seconds\)
func test_throwsErrorInAssertionButFailsWhenCheckingError() {
XCTAssertThrowsError(try functionThatDoesThrowError()) { error in
guard let thrownError = error as? SomeError else {
XCTFail("Threw the wrong type of error")
return
}
switch thrownError {
case .anError(let message):
XCTAssertEqual(message, "")
default:
XCTFail("Unexpected error: \(thrownError)")
}
}
}
// CHECK: Test Case 'ErrorHandling.test_canAndDoesThrowErrorFromTestMethod' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: \<EXPR\>:0: error: ErrorHandling.test_canAndDoesThrowErrorFromTestMethod : threw error "anError\("an error message"\)"
// CHECK: Test Case 'ErrorHandling.test_canAndDoesThrowErrorFromTestMethod' failed \(\d+\.\d+ seconds\)
func test_canAndDoesThrowErrorFromTestMethod() throws {
try functionThatDoesThrowError()
}
// CHECK: Test Case 'ErrorHandling.test_canButDoesNotThrowErrorFromTestMethod' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Case 'ErrorHandling.test_canButDoesNotThrowErrorFromTestMethod' passed \(\d+\.\d+ seconds\)
func test_canButDoesNotThrowErrorFromTestMethod() throws {
try functionThatDoesNotThrowError()
}
func functionThatShouldReturnButThrows() throws -> Int {
throw SomeError.anError("did not actually return")
}
// CHECK: Test Case 'ErrorHandling.test_assertionExpressionCanThrow' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+3]]: error: ErrorHandling.test_assertionExpressionCanThrow : XCTAssertEqual threw error "anError\("did not actually return"\)" -
// CHECK: Test Case 'ErrorHandling.test_assertionExpressionCanThrow' failed \(\d+\.\d+ seconds\)
func test_assertionExpressionCanThrow() {
XCTAssertEqual(try functionThatShouldReturnButThrows(), 1)
}
// CHECK: Test Case 'ErrorHandling.test_shouldNotThrowErrorDefiningSuccess' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Case 'ErrorHandling.test_shouldNotThrowErrorDefiningSuccess' passed \(\d+\.\d+ seconds\)
func test_shouldNotThrowErrorDefiningSuccess() {
XCTAssertNoThrow(try functionThatDoesNotThrowError())
}
// CHECK: Test Case 'ErrorHandling.test_shouldThrowErrorDefiningFailure' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+3]]: error: ErrorHandling.test_shouldThrowErrorDefiningFailure : XCTAssertNoThrow failed: threw error "anError\("an error message"\)" -
// CHECK: Test Case 'ErrorHandling.test_shouldThrowErrorDefiningFailure' failed \(\d+\.\d+ seconds\)
func test_shouldThrowErrorDefiningFailure() {
XCTAssertNoThrow(try functionThatDoesThrowError())
}
func functionShouldReturnOptionalButThrows() throws -> String? {
throw SomeError.anError("an error message")
}
// CHECK: Test Case 'ErrorHandling.test_shouldNotThrowErrorOnUnwrapSuccess' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Case 'ErrorHandling.test_shouldNotThrowErrorOnUnwrapSuccess' passed \(\d+\.\d+ seconds\)
func test_shouldNotThrowErrorOnUnwrapSuccess() throws {
let optional: String? = "is not nil"
let unwrapped = try XCTUnwrap(optional)
XCTAssertEqual(unwrapped, optional)
}
// CHECK: Test Case 'ErrorHandling.test_shouldThrowErrorOnUnwrapFailure' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+4]]: error: ErrorHandling.test_shouldThrowErrorOnUnwrapFailure : XCTUnwrap failed: expected non-nil value of type "String" -
// CHECK: Test Case 'ErrorHandling.test_shouldThrowErrorOnUnwrapFailure' failed \(\d+\.\d+ seconds\)
func test_shouldThrowErrorOnUnwrapFailure() throws {
let optional: String? = nil
_ = try XCTUnwrap(optional)
// Should not be reached:
throw SomeError.shouldNotBeReached
}
// CHECK: Test Case 'ErrorHandling.test_shouldThrowErrorOnEvaluationFailure' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+4]]: error: ErrorHandling.test_shouldThrowErrorOnEvaluationFailure : XCTUnwrap threw error "anError\("an error message"\)" - Failure error message
// CHECK: \<EXPR\>:0: error: ErrorHandling.test_shouldThrowErrorOnEvaluationFailure : threw error "anError\("an error message"\)"
// CHECK: Test Case 'ErrorHandling.test_shouldThrowErrorOnEvaluationFailure' failed \(\d+\.\d+ seconds\)
func test_shouldThrowErrorOnEvaluationFailure() throws {
_ = try XCTUnwrap(functionShouldReturnOptionalButThrows(), "Failure error message")
// Should not be reached:
throw SomeError.shouldNotBeReached
}
// CHECK: Test Case 'ErrorHandling.test_implicitlyUnwrappedOptional_notNil' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Case 'ErrorHandling.test_implicitlyUnwrappedOptional_notNil' passed \(\d+\.\d+ seconds\)
func test_implicitlyUnwrappedOptional_notNil() throws {
let implicitlyUnwrappedOptional: String! = "is not nil"
let unwrapped = try XCTUnwrap(implicitlyUnwrappedOptional)
XCTAssertEqual(unwrapped, implicitlyUnwrappedOptional)
}
// CHECK: Test Case 'ErrorHandling.test_implicitlyUnwrappedOptional_nil' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+4]]: error: ErrorHandling.test_implicitlyUnwrappedOptional_nil : XCTUnwrap failed: expected non-nil value of type "String" - Failure error message
// CHECK: Test Case 'ErrorHandling.test_implicitlyUnwrappedOptional_nil' failed \(\d+\.\d+ seconds\)
func test_implicitlyUnwrappedOptional_nil() throws {
let implicitlyUnwrappedOptional: String! = nil
_ = try XCTUnwrap(implicitlyUnwrappedOptional, "Failure error message")
// Should not be reached:
throw SomeError.shouldNotBeReached
}
// CHECK: Test Case 'ErrorHandling.test_unwrapAnyOptional_notNil' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Case 'ErrorHandling.test_unwrapAnyOptional_notNil' passed \(\d+\.\d+ seconds\)
func test_unwrapAnyOptional_notNil() throws {
let anyOptional: Any? = "is not nil"
let unwrapped = try XCTUnwrap(anyOptional)
XCTAssertEqual(unwrapped as! String, anyOptional as! String)
}
// CHECK: Test Case 'ErrorHandling.test_unwrapAnyOptional_nil' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+4]]: error: ErrorHandling.test_unwrapAnyOptional_nil : XCTUnwrap failed: expected non-nil value of type "Any" - Failure error message
// CHECK: Test Case 'ErrorHandling.test_unwrapAnyOptional_nil' failed \(\d+\.\d+ seconds\)
func test_unwrapAnyOptional_nil() throws {
let anyOptional: Any? = nil
_ = try XCTUnwrap(anyOptional, "Failure error message")
// Should not be reached:
throw SomeError.shouldNotBeReached
}
// CHECK: Test Case 'ErrorHandling.test_shouldReportFailureOnUnwrapFailure_catchUnwrapFailure' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+5]]: error: ErrorHandling.test_shouldReportFailureOnUnwrapFailure_catchUnwrapFailure : XCTUnwrap failed: expected non-nil value of type "String" -
// CHECK: Test Case 'ErrorHandling.test_shouldReportFailureOnUnwrapFailure_catchUnwrapFailure' failed \(\d+\.\d+ seconds\)
func test_shouldReportFailureOnUnwrapFailure_catchUnwrapFailure() {
do {
let optional: String? = nil
_ = try XCTUnwrap(optional)
} catch {}
}
// CHECK: Test Case 'ErrorHandling.test_shouldReportFailureOnUnwrapFailure_catchExpressionFailure' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+4]]: error: ErrorHandling.test_shouldReportFailureOnUnwrapFailure_catchExpressionFailure : XCTUnwrap threw error "anError\("an error message"\)" -
// CHECK: Test Case 'ErrorHandling.test_shouldReportFailureOnUnwrapFailure_catchExpressionFailure' failed \(\d+\.\d+ seconds\)
func test_shouldReportFailureOnUnwrapFailure_catchExpressionFailure() {
do {
_ = try XCTUnwrap(functionShouldReturnOptionalButThrows())
} catch {}
}
struct CustomType {
var name: String
}
// CHECK: Test Case 'ErrorHandling.test_shouldReportCorrectTypeOnUnwrapFailure' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+4]]: error: ErrorHandling.test_shouldReportCorrectTypeOnUnwrapFailure : XCTUnwrap failed: expected non-nil value of type "CustomType" -
// CHECK: Test Case 'ErrorHandling.test_shouldReportCorrectTypeOnUnwrapFailure' failed \(\d+\.\d+ seconds\)
func test_shouldReportCorrectTypeOnUnwrapFailure() throws {
let customTypeOptional: CustomType? = nil
_ = try XCTUnwrap(customTypeOptional)
// Should not be reached:
throw SomeError.shouldNotBeReached
}
// CHECK: Test Case 'ErrorHandling.test_shouldReportCustomFileLineLocation' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: custom_file.swift:1234: error: ErrorHandling.test_shouldReportCustomFileLineLocation : XCTUnwrap failed: expected non-nil value of type "CustomType" -
// CHECK: Test Case 'ErrorHandling.test_shouldReportCustomFileLineLocation' failed \(\d+\.\d+ seconds\)
func test_shouldReportCustomFileLineLocation() throws {
let customTypeOptional: CustomType? = nil
_ = try XCTUnwrap(customTypeOptional, file: "custom_file.swift", line: 1234)
// Should not be reached:
throw SomeError.shouldNotBeReached
}
// CHECK: Test Case 'ErrorHandling.test_shouldReportFailureNotOnMainThread' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]ErrorHandling[/\\]main.swift:[[@LINE+7]]: error: ErrorHandling.test_shouldReportFailureNotOnMainThread : XCTUnwrap failed: expected non-nil value of type "CustomType" -
// CHECK: Test Case 'ErrorHandling.test_shouldReportFailureNotOnMainThread' failed \(\d+\.\d+ seconds\)
func test_shouldReportFailureNotOnMainThread() throws {
let queue = DispatchQueue(label: "Test")
let semaphore = DispatchSemaphore(value: 0)
queue.async {
let customTypeOptional: CustomType? = nil
_ = try? XCTUnwrap(customTypeOptional)
semaphore.signal()
}
semaphore.wait()
}
}
// CHECK: Test Suite 'ErrorHandling' failed at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: \t Executed \d+ tests, with \d+ failures \(6 unexpected\) in \d+\.\d+ \(\d+\.\d+\) seconds
XCTMain([testCase(ErrorHandling.allTests)])
// CHECK: Test Suite '.*\.xctest' failed at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: \t Executed \d+ tests, with \d+ failures \(6 unexpected\) in \d+\.\d+ \(\d+\.\d+\) seconds
// CHECK: Test Suite 'All tests' failed at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: \t Executed \d+ tests, with \d+ failures \(6 unexpected\) in \d+\.\d+ \(\d+\.\d+\) seconds
|
