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[DRAFT] word breaking test case #703

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[DRAFT] word breaking test case #703

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27 changes: 27 additions & 0 deletions Tests/RegexTests/MatchTests.swift
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Original file line number Diff line number Diff line change
@@ -1683,6 +1683,33 @@ extension RegexTests {
firstMatchTest(#"\b÷\b"#, input: "3 ÷ 3 = 1", match: "÷")
}

func testLevel2WordBoundaries_negative() throws {
// Run some non-match cases, the latter of which used to hang

// FIXME: stdlib 5.10 check

let re = #"\bA\b"#

firstMatchTest(re, input: "⛔️: X ", match: nil)
firstMatchTest(re, input: "日\u{FE0F}: X ", match: nil)
firstMatchTest(re, input: "👨‍👨‍👧‍👦\u{FE0F}: X ", match: nil)

firstMatchTest(re, input: "Z:X ", match: nil)

firstMatchTest(re, input: "Z\u{FE0F}:X ", match: nil)
firstMatchTest(re, input: "è\u{FE0F}:X ", match: nil)

firstMatchTest(re, input: "日:X ", match: nil)
firstMatchTest(re, input: "👨‍👨‍👧‍👦:X ", match: nil)

firstMatchTest(re, input: "日\u{FE0F}:X ", match: nil)
firstMatchTest(re, input: "👨‍👨‍👧‍👦\u{FE0F}:X ", match: nil)
firstMatchTest(re, input: "⛔️:X ", match: nil)

firstMatchTest(re, input: "⛔️·X ", match: nil)
firstMatchTest(re, input: "⛔️：X ", match: nil)
}

func testMatchGroups() {
// Must have new stdlib for character class ranges and word boundaries.
guard ensureNewStdlib() else { return }