misc/cgo: move registerCgoTests tests to cmd/cgo/internal

[gostls13.git] / misc / cgo / test / issue42018_windows.go

diff --git a/misc/cgo/test/issue42018_windows.go b/misc/cgo/test/issue42018_windows.go
deleted file mode 100644 (file)
index 8f4570a..0000000
--- a/misc/cgo/test/issue42018_windows.go
+++ /dev/null
@@ -1,46 +0,0 @@
-// Copyright 2021 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cgotest
-
-/*
-typedef void *HANDLE;
-
-struct HWND__{int unused;}; typedef struct HWND__ *HWND;
-*/
-import "C"
-
-import (
-       "testing"
-       "unsafe"
-)
-
-func test42018(t *testing.T) {
-       // Test that Windows handles are marked go:notinheap, by growing the
-       // stack and checking for pointer adjustments. Trick from
-       // test/fixedbugs/issue40954.go.
-       var i int
-       handle := C.HANDLE(unsafe.Pointer(uintptr(unsafe.Pointer(&i))))
-       recurseHANDLE(100, handle, uintptr(unsafe.Pointer(&i)))
-       hwnd := C.HWND(unsafe.Pointer(uintptr(unsafe.Pointer(&i))))
-       recurseHWND(400, hwnd, uintptr(unsafe.Pointer(&i)))
-}
-
-func recurseHANDLE(n int, p C.HANDLE, v uintptr) {
-       if n > 0 {
-               recurseHANDLE(n-1, p, v)
-       }
-       if uintptr(unsafe.Pointer(p)) != v {
-               panic("adjusted notinheap pointer")
-       }
-}
-
-func recurseHWND(n int, p C.HWND, v uintptr) {
-       if n > 0 {
-               recurseHWND(n-1, p, v)
-       }
-       if uintptr(unsafe.Pointer(p)) != v {
-               panic("adjusted notinheap pointer")
-       }
-}