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[stdlib] Test empty InlineArray literals (#80121)

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This commit is contained in:
Ben Rimmington
2025-03-19 22:06:09 +00:00
committed by GitHub
parent 0a5e8da9ad
commit 71b975a8c6
1 changed files with 5 additions and 3 deletions
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8
test/stdlib/InlineArray.swift
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@@ -73,10 +73,14 @@ enum InlineArrayTests {
let b: InlineArray<_, Int> = [1, 2, 4, 8]
let c: InlineArray<4, _> = [1, 2, 4, 8]
let d: InlineArray = [1, 2, 4, 8]
let e: InlineArray<0, Int> = []
let f: InlineArray<_, Int> = []
_checkInlineArray(a, oracle: [1, 2, 4, 8])
_checkInlineArray(b, oracle: [1, 2, 4, 8])
_checkInlineArray(c, oracle: [1, 2, 4, 8])
_checkInlineArray(d, oracle: [1, 2, 4, 8])
_checkInlineArray(e, oracle: [])
_checkInlineArray(f, oracle: [])
}
do {
let a = InlineArray<4, Int> { 1 << $0 }
@@ -86,7 +90,6 @@ enum InlineArrayTests {
let e = InlineArray<0, Int>(repeating: 9)
_checkInlineArray(c, oracle: [9, 9, 9, 9])
_checkInlineArray(d, oracle: [9, 9, 9, 9])
_checkInlineArray(e, oracle: [])
c[0] = 1
c[1] = 2
c[2] = 4
@@ -99,6 +102,7 @@ enum InlineArrayTests {
_checkInlineArray(b, oracle: [1, 2, 4, 8])
_checkInlineArray(c, oracle: [1, 2, 4, 8])
_checkInlineArray(d, oracle: [1, 2, 4, 8])
_checkInlineArray(e, oracle: [])
}
}
@@ -138,14 +142,12 @@ enum InlineArrayTests {
/// An *empty* array's elements can be of *uninhabited* type.
@available(SwiftStdlib 6.2, *)
static func testUninhabited() {
#if false // FIXME: Empty array literals aren't supported.
do {
let e: InlineArray<0, Never> = []
let f: InlineArray<_, Never> = []
_checkInlineArray(e, oracle: [])
_checkInlineArray(f, oracle: [])
}
#endif
do {
let e = InlineArray<0, Never> { _ in fatalError() }
let f = InlineArray<0, _> { _ in fatalError() }