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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
final class SubscriptExprTests: PrettyPrintTestCase {
func testBasicSubscriptGetters() {
let input =
"""
let a = myCollection[index]
let a = myCollection[label: index]
let a = myCollection[index, default: someDefaultValue]
"""
let expected =
"""
let a = myCollection[index]
let a = myCollection[label: index]
let a = myCollection[
index, default: someDefaultValue]
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 45)
}
func testBasicSubscriptSetters() {
let input =
"""
myCollection[index] = someValue
myCollection[label: index] = someValue
myCollection[index, default: someDefaultValue] = someValue
"""
let expected =
"""
myCollection[index] = someValue
myCollection[label: index] = someValue
myCollection[
index, default: someDefaultValue] =
someValue
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 45)
}
func testSubscriptGettersWithTrailingClosures() {
let input =
"""
let a = myCollection[index] { $0 < $1 }
let a = myCollection[label: index] { arg1, arg2 in foo() }
let a = myCollection[index, default: someDefaultValue] { arg1, arg2 in foo() }
"""
let expected =
"""
let a = myCollection[index] { $0 < $1 }
let a = myCollection[label: index] {
arg1, arg2 in foo()
}
let a = myCollection[
index, default: someDefaultValue
] { arg1, arg2 in foo() }
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 45)
}
func testSubscriptSettersWithTrailingClosures() {
let input =
"""
myCollection[index] { $0 < $1 } = someValue
myCollection[label: index] { arg1, arg2 in foo() } = someValue
myCollection[index, default: someDefaultValue] { arg1, arg2 in foo() } = someValue
"""
let expected =
"""
myCollection[index] { $0 < $1 } = someValue
myCollection[label: index] { arg1, arg2 in
foo()
} = someValue
myCollection[
index, default: someDefaultValue
] { arg1, arg2 in foo() } = someValue
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 45)
}
func testGroupsTrailingComma() {
let input =
"""
myCollection[
image: useLongName ? image(named: .longNameImage) : image(named: .veryLongNameImageZ),
bar: bar]
"""
let expected =
"""
myCollection[
image: useLongName
? image(named: .longNameImage)
: image(named: .veryLongNameImageZ),
bar: bar]
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 70)
}
func testDiscretionaryLineBreakBeforeTrailingClosure() {
let input =
"""
foo[a, b, c]
{
blah()
}
foo[
a, b, c
]
{
blah()
}
foo[arg1, arg2, arg3, arg4, arg5, arg6, arg7]
{
blah()
}
foo[ab, arg1, arg2] {
blah()
}
"""
let expected =
"""
foo[a, b, c] {
blah()
}
foo[
a, b, c
] {
blah()
}
foo[
arg1, arg2, arg3,
arg4, arg5, arg6,
arg7
] {
blah()
}
foo[ab, arg1, arg2]
{
blah()
}
"""
assertPrettyPrintEqual(input: input, expected: expected, linelength: 20)
}
}
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