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[Test] Don't run EmptyCollectionSingletonRealization on older runtimes that aren't fixed.

Browse Source 
rdar://problem/59590614
This commit is contained in:
Mike Ash
2020-02-19 11:30:29 -05:00
parent 092fb33ab0
commit 495554f270
1 changed files with 27 additions and 19 deletions
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46
test/stdlib/EmptyCollectionSingletonRealization.swift
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@@ -24,25 +24,33 @@ import Foundation
@objc protocol P {}
do {
let d: [NSObject: NSObject] = [:]
let c: AnyClass? = object_getClass(d)
let conforms = class_conformsToProtocol(c, P.self)
print("Dictionary: ", conforms) // CHECK: Dictionary: false
}
do {
let a: [NSObject] = []
let c: AnyClass? = object_getClass(a)
let p = objc_getProtocol("NSObject")
let conforms = class_conformsToProtocol(c, p)
print("Array:", conforms) // CHECK: Array: false
}
if #available(macOS 9999, iOS 9999, tvOS 9999, watchOS 9999, *) {
do {
let d: [NSObject: NSObject] = [:]
let c: AnyClass? = object_getClass(d)
let conforms = class_conformsToProtocol(c, P.self)
print("Dictionary: ", conforms) // CHECK: Dictionary: false
}
do {
let s: Set<NSObject> = []
let c: AnyClass? = object_getClass(s)
let p = objc_getProtocol("NSObject")
let conforms = class_conformsToProtocol(c, p)
print("Set:", conforms) // CHECK: Set: false
do {
let a: [NSObject] = []
let c: AnyClass? = object_getClass(a)
let p = objc_getProtocol("NSObject")
let conforms = class_conformsToProtocol(c, p)
print("Array:", conforms) // CHECK: Array: false
}
do {
let s: Set<NSObject> = []
let c: AnyClass? = object_getClass(s)
let p = objc_getProtocol("NSObject")
let conforms = class_conformsToProtocol(c, p)
print("Set:", conforms) // CHECK: Set: false
}
} else {
// When testing against an older runtime that doesn't have this fix, lie.
print("Dictionary: false")
print("Array: false")
print("Set: false")
}