diff --git a/test_main.cpp b/test_main.cpp
index 2b9f52c..6e96a42 100644
--- a/test_main.cpp
+++ b/test_main.cpp
@@ -319,6 +319,37 @@
     EXPECT_EQ(sum, 1 + 2 + 3);
 }
 
+struct FailsIfCopied {
+    FailsIfCopied() {}
+
+    // add failure if copied since in general this can be expensive
+    FailsIfCopied(const FailsIfCopied& o) { *this = o; }
+    FailsIfCopied& operator=(const FailsIfCopied&) {
+        ADD_FAILURE() << "FailsIfCopied copied";
+        return *this;
+    }
+
+    // fine to move this type since in general this is cheaper
+    FailsIfCopied(FailsIfCopied&& o) = default;
+    FailsIfCopied& operator=(FailsIfCopied&&) = default;
+};
+
+TEST_F(LibHidlTest, VecResizeNoCopy) {
+    using android::hardware::hidl_vec;
+
+    hidl_vec<FailsIfCopied> noCopies;
+    noCopies.resize(3);  // instantiates three elements
+
+    FailsIfCopied* oldPointer = noCopies.data();
+
+    noCopies.resize(6);  // should move three elements, not copy
+
+    // oldPointer should be invalidated at this point.
+    // hidl_vec doesn't currently try to realloc but if it ever switches
+    // to an implementation that does, this test wouldn't do anything.
+    EXPECT_NE(oldPointer, noCopies.data());
+}
+
 TEST_F(LibHidlTest, ArrayTest) {
     using android::hardware::hidl_array;
     int32_t array[] = {5, 6, 7};