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tests: add a test for a fix of getting an ArraySlice of an CocoaArray #36587

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Merged
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Mar 26, 2021
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tests: add a test for a fix of getting an ArraySlice of an CocoaArray #36587

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22 changes: 22 additions & 0 deletions test/stdlib/objc-array-slice.swift
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Original file line number Diff line number Diff line change
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// RUN: %empty-directory(%t)
// RUN: %target-build-swift %s -o %t/a.out
// RUN: %target-codesign %t/a.out
// RUN: %target-run %t/a.out | %FileCheck %s

// REQUIRES: executable_test
// REQUIRES: objc_interop

import Foundation

let array = NSMutableArray()
for _ in 0..<1000 {
array.insert(NSObject(), at: 0)
}

// Check that this does not crash because of an over-release of the array content.
_ = (array as! [NSObject]).prefix(3)
_ = (array as! [NSObject]).prefix(3)

// CHECK: done
print("done")