src/runtime/heap_test.go

   1 // Copyright 2023 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package runtime_test
   6
   7 import (
   8         "testing"
   9         _ "unsafe"
  10 )
  11
  12 //go:linkname heapObjectsCanMove runtime.heapObjectsCanMove
  13 func heapObjectsCanMove() bool
  14
  15 func TestHeapObjectsCanMove(t *testing.T) {
  16         if heapObjectsCanMove() {
  17                 // If this happens (or this test stops building),
  18                 // it will break go4.org/unsafe/assume-no-moving-gc.
  19                 t.Fatalf("heap objects can move!")
  20         }
  21 }