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b67d5f0cf7
This converts the instances of the pattern for which we have a proper substitution in lit. This will make it easier to replace it appropriately with Windows equivalents.
47 lines
1.1 KiB
Swift
47 lines
1.1 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-build-swift %s -o %t/a.out3 -swift-version 3 && %target-run %t/a.out3
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// RUN: %target-build-swift %s -o %t/a.out4 -swift-version 4 && %target-run %t/a.out4
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// REQUIRES: executable_test
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import StdlibUnittest
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#if swift(>=4)
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public typealias ExpectedResultType = [Character]
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let swiftVersion = "4"
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#else
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public typealias ExpectedResultType = [String]
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let swiftVersion = "3"
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#endif
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var Tests = TestSuite("StringFlatMap")
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Tests.test("DefaultReturnType/\(swiftVersion)") {
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var result = ["hello", "world"].flatMap { $0 }
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expectType(ExpectedResultType.self, &result)
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}
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Tests.test("ExplicitTypeContext/\(swiftVersion)") {
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expectEqualSequence(["hello", "world"],
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["hello", "world"].flatMap { $0 } as [String])
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expectEqualSequence("helloworld".characters,
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["hello", "world"].flatMap { $0 } as [Character])
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}
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Tests.test("inference/\(swiftVersion)") {
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let result = [1, 2].flatMap { x in
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if String(x) == "foo" {
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return "bar"
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} else {
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return nil
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}
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}
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expectEqualSequence([], result)
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}
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runAllTests()
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