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[String] Use the new value in utf8 setter.

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This commit is contained in:
Michael Ilseman
2019-02-06 15:11:17 -08:00
parent 647a29be00
commit a742a62c18
2 changed files with 25 additions and 5 deletions
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24
validation-test/stdlib/StringViews.swift
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@@ -796,4 +796,28 @@ tests.test("String.UTF32View/BidirectionalCollection")
test.unicodeScalars, test.string.unicodeScalars) { $0 == $1 }
}
tests.test("String View Setters") {
var string = "abcd🤠👨‍👨‍👦‍👦efg"
string.utf8 = winter.utf8
expectEqual(winter, string)
string.utf8 = summer.utf8
expectEqual(summer, string)
string.utf16 = winter.utf16
expectEqual(winter, string)
string.utf16 = summer.utf16
expectEqual(summer, string)
string.unicodeScalars = winter.unicodeScalars
expectEqual(winter, string)
string.unicodeScalars = summer.unicodeScalars
expectEqual(summer, string)
string = winter
expectEqual(winter, string)
string = summer
expectEqual(summer, string)
}
runAllTests()