Ensure that array is not resized in place.

1 files changed, 6 insertions, 0 deletions

diff --git a/vespamalloc/src/tests/test1/new_test.cpp b/vespamalloc/src/tests/test1/new_test.cpp
index 7988367f415..653f039bccd 100644
--- a/vespamalloc/src/tests/test1/new_test.cpp
+++ b/vespamalloc/src/tests/test1/new_test.cpp
@@ -98,6 +98,11 @@ TEST("verify new with alignment = 64 with single element") {
 #if __GLIBC_PREREQ(2, 26)
 TEST("verify realloarray") {
     void *arr = calloc(5,5);
+    //Used to ensure that 'arr' can not resized in place.
+    std::vector<std::unique_ptr<char[]>> dummies;
+    for (size_t i(0); i < 1000; i++) {
+        dummies.push_back(std::make_unique<char[]>(5*5));
+    }
     errno = 0;
     void *arr2 = reallocarray(arr, 800, 5);
     int myErrno = errno;
@@ -110,6 +115,7 @@ TEST("verify realloarray") {
     myErrno = errno;
     EXPECT_EQUAL(nullptr, arr3);
     EXPECT_EQUAL(ENOMEM, myErrno);
+    free(arr2);
 }
 #endif