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31 changes: 31 additions & 0 deletions test/1_stdlib/StringOrderRelation.swift
Original file line number Diff line number Diff line change
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// RUN: %target-run-simple-swift
// REQUIRES: executable_test

import StdlibUnittest

// Also import modules which are used by StdlibUnittest internally. This
// workaround is needed to link all required libraries in case we compile
// StdlibUnittest with -sil-serialize-all.
import SwiftPrivate
#if _runtime(_ObjC)
import ObjectiveC
#endif

var StringOrderRelationTestSuite = TestSuite("StringOrderRelation")

StringOrderRelationTestSuite.test("StringOrderRelation/ASCII/NullByte")
.xfail(.LinuxAny(reason: "String comparison: ICU vs. Foundation"))
.xfail(.FreeBSDAny(reason: "String comparison: ICU vs. Foundation"))
.code {
let baseString = "a"
let nullbyteString = "a\0"
expectTrue(baseString < nullbyteString)
expectTrue(baseString <= nullbyteString)
expectFalse(baseString > nullbyteString)
expectFalse(baseString >= nullbyteString)
expectFalse(baseString == nullbyteString)
expectTrue(baseString != nullbyteString)
}

runAllTests()