mirror of
https://github.com/apple/swift.git
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481bcabcba
- `separator` label for first argument of `split` - `join` and related types are renamed to `joined`
349 lines
9.4 KiB
Swift
349 lines
9.4 KiB
Swift
//===--- Join.swift.gyb ---------------------------------------*- swift -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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// RUN: rm -rf %t && mkdir -p %t && %S/../../utils/gyb %s -o %t/Join.swift
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// RUN: %S/../../utils/line-directive %t/Join.swift -- %target-build-swift %t/Join.swift -o %t/a.out
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// RUN: %S/../../utils/line-directive %t/Join.swift -- %target-run %t/a.out
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// REQUIRES: executable_test
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import StdlibUnittest
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import StdlibCollectionUnittest
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// Also import modules which are used by StdlibUnittest internally. This
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// workaround is needed to link all required libraries in case we compile
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// StdlibUnittest with -sil-serialize-all.
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#if _runtime(_ObjC)
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import ObjectiveC
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#endif
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public struct JoinWithSeparatorTest {
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public let elements: [[Int]]
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public let separator: [Int]
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public let expected: [Int]
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public let loc: SourceLoc
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init(
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elements: [[Int]], separator: [Int], expected: [Int],
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file: String = #file, line: UInt = #line
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) {
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self.elements = elements
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self.separator = separator
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self.expected = expected
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self.loc = SourceLoc(file, line, comment: "prefix() test data")
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}
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}
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public let joinWithSeparatorTests = [
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// Empty separator.
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JoinWithSeparatorTest(
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elements: [],
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separator: [],
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expected: []),
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JoinWithSeparatorTest(
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elements: [[]],
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separator: [],
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expected: []),
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JoinWithSeparatorTest(
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elements: [[], []],
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separator: [],
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expected: []),
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JoinWithSeparatorTest(
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elements: [[], [], []],
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separator: [],
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expected: []),
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JoinWithSeparatorTest(
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elements: [[ 1010 ]],
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separator: [],
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expected: [ 1010 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ], [ 2020 ]],
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separator: [],
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expected: [ 1010, 2020 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ], [ 2020 ], [ 3030 ]],
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separator: [],
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expected: [ 1010, 2020, 3030 ]),
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JoinWithSeparatorTest(
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elements: [[], [ 2020 ], [ 3030 ]],
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separator: [],
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expected: [ 2020, 3030 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ], [], [ 3030 ]],
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separator: [],
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expected: [ 1010, 3030 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ], [ 2020 ], []],
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separator: [],
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expected: [ 1010, 2020 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010, 1011 ], [ 2020, 2021 ], [ 3030, 3031 ]],
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separator: [],
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expected: [ 1010, 1011, 2020, 2021, 3030, 3031 ]),
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JoinWithSeparatorTest(
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elements: [[], [ 2020, 2021 ], [ 3030, 3031 ]],
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separator: [],
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expected: [ 2020, 2021, 3030, 3031 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010, 1011 ], [], [ 3030, 3031 ]],
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separator: [],
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expected: [ 1010, 1011, 3030, 3031 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010, 1011 ], [ 2020, 2021 ], []],
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separator: [],
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expected: [ 1010, 1011, 2020, 2021 ]),
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// 1-element separator.
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JoinWithSeparatorTest(
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elements: [],
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separator: [ 99 ],
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expected: []),
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JoinWithSeparatorTest(
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elements: [[]],
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separator: [ 99 ],
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expected: []),
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JoinWithSeparatorTest(
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elements: [[], []],
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separator: [ 99 ],
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expected: [ 99 ]),
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JoinWithSeparatorTest(
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elements: [[], [], []],
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separator: [ 99 ],
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expected: [ 99, 99 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ]],
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separator: [ 99 ],
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expected: [ 1010 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ], [ 2020 ]],
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separator: [ 99 ],
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expected: [ 1010, 99, 2020 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ], [ 2020 ], [ 3030 ]],
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separator: [ 99 ],
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expected: [ 1010, 99, 2020, 99, 3030 ]),
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JoinWithSeparatorTest(
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elements: [[], [ 2020 ], [ 3030 ]],
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separator: [ 99 ],
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expected: [ 99, 2020, 99, 3030 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ], [], [ 3030 ]],
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separator: [ 99 ],
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expected: [ 1010, 99, 99, 3030 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ], [ 2020 ], []],
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separator: [ 99 ],
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expected: [ 1010, 99, 2020, 99 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010, 1011 ], [ 2020, 2021 ], [ 3030, 3031 ]],
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separator: [ 99 ],
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expected: [ 1010, 1011, 99, 2020, 2021, 99, 3030, 3031 ]),
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JoinWithSeparatorTest(
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elements: [[], [ 2020, 2021 ], [ 3030, 3031 ]],
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separator: [ 99 ],
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expected: [ 99, 2020, 2021, 99, 3030, 3031 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010, 1011 ], [], [ 3030, 3031 ]],
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separator: [ 99 ],
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expected: [ 1010, 1011, 99, 99, 3030, 3031 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010, 1011 ], [ 2020, 2021 ], []],
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separator: [ 99 ],
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expected: [ 1010, 1011, 99, 2020, 2021, 99 ]),
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// 2-element separator.
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JoinWithSeparatorTest(
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elements: [],
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separator: [ 98, 99 ],
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expected: []),
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JoinWithSeparatorTest(
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elements: [[]],
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separator: [ 98, 99 ],
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expected: []),
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JoinWithSeparatorTest(
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elements: [[], []],
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separator: [ 98, 99 ],
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expected: [ 98, 99 ]),
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JoinWithSeparatorTest(
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elements: [[], [], []],
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separator: [ 98, 99 ],
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expected: [ 98, 99, 98, 99 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ]],
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separator: [ 98, 99 ],
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expected: [ 1010 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ], [ 2020 ]],
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separator: [ 98, 99 ],
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expected: [ 1010, 98, 99, 2020 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ], [ 2020 ], [ 3030 ]],
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separator: [ 98, 99 ],
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expected: [ 1010, 98, 99, 2020, 98, 99, 3030 ]),
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JoinWithSeparatorTest(
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elements: [[], [ 2020 ], [ 3030 ]],
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separator: [ 98, 99 ],
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expected: [ 98, 99, 2020, 98, 99, 3030 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ], [], [ 3030 ]],
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separator: [ 98, 99 ],
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expected: [ 1010, 98, 99, 98, 99, 3030 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010 ], [ 2020 ], []],
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separator: [ 98, 99 ],
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expected: [ 1010, 98, 99, 2020, 98, 99 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010, 1011 ], [ 2020, 2021 ], [ 3030, 3031 ]],
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separator: [ 98, 99 ],
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expected: [ 1010, 1011, 98, 99, 2020, 2021, 98, 99, 3030, 3031 ]),
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JoinWithSeparatorTest(
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elements: [[], [ 2020, 2021 ], [ 3030, 3031 ]],
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separator: [ 98, 99 ],
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expected: [ 98, 99, 2020, 2021, 98, 99, 3030, 3031 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010, 1011 ], [], [ 3030, 3031 ]],
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separator: [ 98, 99 ],
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expected: [ 1010, 1011, 98, 99, 98, 99, 3030, 3031 ]),
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JoinWithSeparatorTest(
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elements: [[ 1010, 1011 ], [ 2020, 2021 ], []],
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separator: [ 98, 99 ],
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expected: [ 1010, 1011, 98, 99, 2020, 2021, 98, 99 ]),
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]
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var JoinTestSuite = TestSuite("Join")
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% from itertools import product
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% traversals = [ 'Forward', 'Bidirectional', 'RandomAccess' ]
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% base_kinds = [ 'Defaulted', 'Minimal' ]
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% collections = [
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% ('{}{}RangeReplaceableCollection'.format(base_kind, traversal), traversal)
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% for base_kind, traversal in product(base_kinds, traversals)
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% ]
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% other_array_types = [ 'Array', 'ArraySlice', 'ContiguousArray' ]
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% collections += [(array, 'RandomAccess') for array in other_array_types]
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% for Base, traversal in collections:
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% if Base not in other_array_types:
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% label = 'elements:'
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% else:
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% label = ''
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% end
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JoinTestSuite.test("${Base}.join()") {
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for test in joinWithSeparatorTests {
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let elements = ${Base}(${label} test.elements.map {
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${Base}(${label} $0)
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})
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let separator = ${Base}(${label} test.separator)
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let r = Array(elements.joined(separator: separator))
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checkSequence(test.expected, r)
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}
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}
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JoinTestSuite.test("${Base}.join()/_copyToNativeArrayBuffer()") {
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for test in joinWithSeparatorTests {
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let elements = ${Base}(${label} test.elements.map {
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${Base}(${label} $0)
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})
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let separator = ${Base}(${label} test.separator)
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let r = Array(elements.joined(separator: separator))
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checkSequence(test.expected, r)
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}
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}
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% end
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func join(separator: String, _ elements: [String]) -> String {
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return elements.joined(separator: separator)
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}
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JoinTestSuite.test("String.joined(separator:)") {
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//
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// Test the free function.
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//
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// Empty separator.
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expectEqual("", join("", []))
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expectEqual("", join("", [""]))
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expectEqual("", join("", ["", ""]))
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expectEqual("", join("", ["", "", ""]))
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expectEqual("a", join("", ["a"]))
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expectEqual("ab", join("", ["a", "b"]))
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expectEqual("abc", join("", ["a", "b", "c"]))
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expectEqual("abcdef", join("", ["ab", "cd", "ef"]))
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// 1-element separator.
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expectEqual("", join("x", [""]))
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expectEqual("x", join("x", ["", ""]))
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expectEqual("xx", join("x", ["", "", ""]))
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expectEqual("a", join("x", ["a"]))
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expectEqual("axb", join("x", ["a", "b"]))
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expectEqual("axbxc", join("x", ["a", "b", "c"]))
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expectEqual("abxcdxef", join("x", ["ab", "cd", "ef"]))
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// 2-element separator.
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expectEqual("", join("xy", [""]))
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expectEqual("xy", join("xy", ["", ""]))
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expectEqual("xyxy", join("xy", ["", "", ""]))
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expectEqual("a", join("xy", ["a"]))
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expectEqual("axyb", join("xy", ["a", "b"]))
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expectEqual("axybxyc", join("xy", ["a", "b", "c"]))
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expectEqual("abxycdxyef", join("xy", ["ab", "cd", "ef"]))
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//
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// Test forwarding instance function.
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//
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expectEqual("abxycdxyef", ["ab", "cd", "ef"].joined(separator: "xy"))
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}
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runAllTests()
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