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118 lines
3.5 KiB
Swift
118 lines
3.5 KiB
Swift
//===--- InlineSpanProperties.swift ---------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2025 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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// RUN: %target-run-stdlib-swift(-enable-experimental-feature AddressableTypes -enable-experimental-feature LifetimeDependence -enable-experimental-feature ValueGenerics)
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// REQUIRES: executable_test
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// REQUIRES: swift_feature_AddressableTypes
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// REQUIRES: swift_feature_LifetimeDependence
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// REQUIRES: swift_feature_ValueGenerics
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import StdlibUnittest
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var suite = TestSuite("Span properties backed by inline storage")
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defer { runAllTests() }
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suite.test("CollectionOfOne.span property")
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.skip(.wasiAny(reason: "Trap tests aren't supported on WASI."))
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.skip(.custom(
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{ if #available(SwiftStdlib 6.2, *) { false } else { true } },
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reason: "Requires Swift 6.2's standard library"
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))
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.code {
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guard #available(SwiftStdlib 6.2, *) else { return }
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var s = "A long string that is absolutely not smol at all."
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let u = Array(s.utf8)
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let c = CollectionOfOne(consume s)
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s = ""
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expectCrashLater()
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let span = c.span
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expectEqual(span.count, 1)
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let v = Array(span[0].utf8)
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expectEqual(u, v)
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}
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suite.test("CollectionOfOne.span property (simple)")
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.skip(.wasiAny(reason: "Trap tests aren't supported on WASI."))
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.skip(.custom(
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{ if #available(SwiftStdlib 6.2, *) { false } else { true } },
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reason: "Requires Swift 6.2's standard library"
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))
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.code {
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guard #available(SwiftStdlib 6.2, *) else { return }
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let c = CollectionOfOne(Int.random(in: 0..<100000))
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expectCrashLater()
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let span = c.span
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expectEqual(span.count, c.indices.count)
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expectEqual(span[0], c[0])
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}
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struct Padded: BitwiseCopyable {
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var storage: (Int64, Int8)
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}
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suite.test("CollectionOfOne.span stride test")
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.skip(.wasiAny(reason: "Trap tests aren't supported on WASI."))
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.skip(.custom(
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{ if #available(SwiftStdlib 6.2, *) { false } else { true } },
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reason: "Requires Swift 6.2's standard library"
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))
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.code {
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guard #available(SwiftStdlib 6.2, *) else { return }
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let c = CollectionOfOne(Padded(storage: (-1, 1)))
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expectCrashLater()
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let span = c.span
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let bytes = span.bytes
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expectEqual(bytes.byteCount, MemoryLayout.size(ofValue: c))
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}
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suite.test("InlineArray.span property")
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.skip(.wasiAny(reason: "Trap tests aren't supported on WASI."))
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.skip(.custom(
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{ if #available(SwiftStdlib 6.2, *) { false } else { true } },
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reason: "Requires Swift 6.2's standard library"
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))
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.code {
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guard #available(SwiftStdlib 6.2, *) else { return }
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var s = InlineArray<5, Int>(repeating: 0)
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s[3] = .random(in: 0..<1000)
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expectCrashLater()
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let span = s.span
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expectEqual(span.count, s.count)
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for i in s.indices {
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expectEqual(span[i], s[i])
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}
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}
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suite.test("InlineArray.span property (String)")
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.skip(.wasiAny(reason: "Trap tests aren't supported on WASI."))
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.skip(.custom(
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{ if #available(SwiftStdlib 6.2, *) { false } else { true } },
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reason: "Requires Swift 6.2's standard library"
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))
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.code {
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guard #available(SwiftStdlib 6.2, *) else { return }
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var s = InlineArray<5, String>(repeating: "0")
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s[3] = String(Int.random(in: 0..<1000))
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expectCrashLater()
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let span = s.span
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expectEqual(span.count, s.count)
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for i in s.indices {
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expectEqual(span[i], s[i])
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}
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}
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