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// RUN: %target-run-simple-swift(-Xfrontend -enable-bare-slash-regex)
// REQUIRES: swift_swift_parser,string_processing,executable_test
import StdlibUnittest
var RegexBasicTests = TestSuite("RegexBasic")
extension String {
@available(SwiftStdlib 5.7, *)
func expectMatch<T>(
_ regex: Regex<T>,
file: String = #file,
line: UInt = #line
) -> Regex<T>.Match {
guard let result = wholeMatch(of: regex) else {
expectUnreachable("Failed match", file: file, line: line)
fatalError()
}
return result
}
}
RegexBasicTests.test("Basic") {
guard #available(SwiftStdlib 5.7, *) else { return }
let input = "aabccd"
let match1 = input.expectMatch(#/aabcc./#)
expectEqual("aabccd", match1.0)
expectTrue("aabccd" == match1.output)
let match2 = input.expectMatch(#/a*b.+./#)
expectEqual("aabccd", match2.0)
expectTrue("aabccd" == match2.output)
}
RegexBasicTests.test("Modern") {
guard #available(SwiftStdlib 5.7, *) else { return }
let input = "aabccd"
let match1 = input.expectMatch(#/
a a bc c (?#hello) . # comment
/#)
expectEqual("aabccd", match1.0)
expectTrue("aabccd" == match1.output)
}
RegexBasicTests.test("Captures") {
guard #available(SwiftStdlib 5.7, *) else { return }
let input = """
A6F0..A6F1 ; Extend # Mn [2] BAMUM COMBINING MARK KOQNDON..BAMUM \
COMBINING MARK TUKWENTIS
"""
let regex = #/([0-9A-F]+)(?:\.\.([0-9A-F]+))?\s+;\s+(\w+).*/#
// Test inferred type.
let _: Regex<(Substring, Substring, Substring?, Substring)>.Type
= type(of: regex)
let match1 = input.expectMatch(regex)
expectEqual(input[...], match1.0)
expectTrue(input == match1.0)
expectTrue("A6F0" == match1.1)
expectTrue("A6F1" == match1.2)
expectTrue("Extend" == match1.3)
}
runAllTests()
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