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Make value capture of optionals more robust. #277

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Merged
merged 1 commit into from
Mar 11, 2024
Merged

Make value capture of optionals more robust. #277

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4 changes: 2 additions & 2 deletions Sources/Testing/Expectations/ExpectationChecking+Macro.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -557,7 +557,7 @@ public func __checkPropertyAccess<T, U>(
return __checkValue(
optionalValue,
expression: expression,
expressionWithCapturedRuntimeValues: expression.capturingRuntimeValues(lhs, optionalValue),
expressionWithCapturedRuntimeValues: expression.capturingRuntimeValues(lhs, optionalValue as U??),
comments: comments(),
isRequired: isRequired,
sourceLocation: sourceLocation
Expand Down Expand Up @@ -731,7 +731,7 @@ public func __checkBinaryOperation<T>(
return __checkValue(
optionalValue,
expression: expression,
expressionWithCapturedRuntimeValues: expression.capturingRuntimeValues(lhs, rhs),
expressionWithCapturedRuntimeValues: expression.capturingRuntimeValues(lhs as T??, rhs as T??),
comments: comments(),
isRequired: isRequired,
sourceLocation: sourceLocation
Expand Down
22 changes: 22 additions & 0 deletions Tests/TestingTests/IssueTests.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -1161,6 +1161,28 @@ final class IssueTests: XCTestCase {
await fulfillment(of: [rhsCalled], timeout: 0.0)
}

func testRequireOptionalMemberAccessEvaluatesToNil() async {
var configuration = Configuration()
configuration.eventHandler = { event, _ in
guard case let .issueRecorded(issue) = event.kind else {
return
}
XCTAssertFalse(issue.isKnown)
guard case let .expectationFailed(expectation) = issue.kind else {
XCTFail("Unexpected issue kind \(issue.kind)")
return
}
let expression = expectation.evaluatedExpression
XCTAssertTrue(expression.expandedDescription().contains("nil"))
XCTAssertFalse(expression.expandedDescription().contains("<not evaluated>"))
}

await Test {
let array = [String]()
_ = try #require(array.first)
}.run(configuration: configuration)
}

func testOptionalOperand() async {
let expectationFailed = expectation(description: "Expectation failed")

Expand Down