Add test for dynamic cast issue from #2500

lxbndr · lxbndr · commit 4c704343114c · 2020-09-11T12:16:46.000+03:00
diff --git a/Tests/Foundation/Tests/TestBridging.swift b/Tests/Foundation/Tests/TestBridging.swift
@@ -26,6 +26,7 @@ class TestBridging : XCTestCase {
     static var allTests: [(String, (TestBridging) -> () throws -> Void)] {
         return [
             ("testBridgedDescription", testBridgedDescription),
+            ("testDynamicCast", testDynamicCast),
         ]
     }
 
@@ -62,4 +63,11 @@ class TestBridging : XCTestCase {
         XCTAssertEqual("description", c.debugDescription)
         #endif
     }
+
+    func testDynamicCast() throws {
+        // Covers https://github.com/apple/swift-corelibs-foundation/pull/2500
+        class TestClass {}
+        let anyArray: Any = [TestClass()]
+        XCTAssertNotNil(anyArray as? NSObject)
+    }
 }

Original file line number	Diff line number	Diff line change
`@@ -26,6 +26,7 @@ class TestBridging : XCTestCase {`
`26`	`26`	`static var allTests: [(String, (TestBridging) -> () throws -> Void)] {`
`27`	`27`	`return [`
`28`	`28`	`("testBridgedDescription", testBridgedDescription),`
	`29`	`+ ("testDynamicCast", testDynamicCast),`
`29`	`30`	`]`
`30`	`31`	`}`
`31`	`32`
`@@ -62,4 +63,11 @@ class TestBridging : XCTestCase {`
`62`	`63`	`XCTAssertEqual("description", c.debugDescription)`
`63`	`64`	`#endif`
`64`	`65`	`}`
	`66`	`+`
	`67`	`+ func testDynamicCast() throws {`
	`68`	`+ // Covers https://github.com/apple/swift-corelibs-foundation/pull/2500`
	`69`	`+ class TestClass {}`
	`70`	`+ let anyArray: Any = [TestClass()]`
	`71`	`+ XCTAssertNotNil(anyArray as? NSObject)`
	`72`	`+ }`
`65`	`73`	`}`