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72ebcded98
Friend PR: apple/swift-experimental-string-processing#282. Also remove the `-enable-experimental-pairwise-build-block` flag when building regex modules as the feature is already on by default.
67 lines
1.7 KiB
Swift
67 lines
1.7 KiB
Swift
// RUN: %target-run-simple-swift(-Xfrontend -enable-bare-slash-regex)
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// REQUIRES: swift_in_compiler,string_processing,executable_test
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import StdlibUnittest
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var RegexBasicTests = TestSuite("RegexBasic")
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extension String {
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@available(SwiftStdlib 5.7, *)
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func expectMatch<T>(
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_ regex: Regex<T>,
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file: String = #file,
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line: UInt = #line
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) -> Regex<T>.Match {
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guard let result = wholeMatch(of: regex) else {
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expectUnreachable("Failed match", file: file, line: line)
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fatalError()
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}
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return result
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}
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}
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RegexBasicTests.test("Basic") {
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guard #available(SwiftStdlib 5.7, *) else { return }
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let input = "aabccd"
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let match1 = input.expectMatch(#/aabcc./#)
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expectEqual("aabccd", match1.0)
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expectTrue("aabccd" == match1.output)
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let match2 = input.expectMatch(#/a*b.+./#)
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expectEqual("aabccd", match2.0)
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expectTrue("aabccd" == match2.output)
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}
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RegexBasicTests.test("Modern") {
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guard #available(SwiftStdlib 5.7, *) else { return }
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let input = "aabccd"
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let match1 = input.expectMatch(#/
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a a bc c (?#hello) . # comment
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/#)
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expectEqual("aabccd", match1.0)
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expectTrue("aabccd" == match1.output)
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}
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RegexBasicTests.test("Captures") {
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guard #available(SwiftStdlib 5.7, *) else { return }
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let input = """
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A6F0..A6F1 ; Extend # Mn [2] BAMUM COMBINING MARK KOQNDON..BAMUM \
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COMBINING MARK TUKWENTIS
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"""
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let regex = #/([0-9A-F]+)(?:\.\.([0-9A-F]+))?\s+;\s+(\w+).*/#
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// Test inferred type.
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let _: Regex<(Substring, Substring, Substring?, Substring)>.Type
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= type(of: regex)
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let match1 = input.expectMatch(regex)
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expectEqual(input[...], match1.0)
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expectTrue(input == match1.0)
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expectTrue("A6F0" == match1.1)
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expectTrue("A6F1" == match1.2)
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expectTrue("Extend" == match1.3)
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}
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runAllTests()
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