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NSURLComponents.hash: Implement #1648

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lorentey
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@lorentey lorentey commented Aug 2, 2018

NSURLComponents inherits hash from NSObject, but overrides isEqual(_:) to compare contents. The default hash uses object identity, so two NSURLComponent instances that compare equal under isEqual(_:) can produce non-equal hash values. This also breaks hashing for URLComponents, which calls into NSURLComponents.hash.

Add an implementation for NSURLComponents.hash that matches isEqual(_:).

Resolves https://bugs.swift.org/browse/SR-8450

@lorentey lorentey requested review from millenomi and parkera August 2, 2018 14:07
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lorentey commented Aug 2, 2018

@swift-ci please test



func test_hash() {
let c1 = URLComponents(string: "https://www.swift.org/path/to/file.html?id=name")!
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Same as in the other review, can we test changing all parts that contribute to the hash?

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lorentey commented Aug 6, 2018

Closing; please see followup PR at #1656

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