From b06ac622b1fe1a67b0e20e6dd02c686be357164c Mon Sep 17 00:00:00 2001
From: Richard Russon <rich@flatcap.org>
Date: Mon, 29 Apr 2019 14:46:56 +0100
Subject: [PATCH] test: add memory tests for degenerate cases

---
 test/memory/mutt_mem_free.c    | 11 +++++++++++
 test/memory/mutt_mem_realloc.c |  5 +++++
 2 files changed, 16 insertions(+)

diff --git a/test/memory/mutt_mem_free.c b/test/memory/mutt_mem_free.c
index f62082643..d31182ada 100644
--- a/test/memory/mutt_mem_free.c
+++ b/test/memory/mutt_mem_free.c
@@ -28,4 +28,15 @@
 void test_mutt_mem_free(void)
 {
   // void mutt_mem_free(void *ptr);
+
+  {
+    mutt_mem_free(NULL);
+    TEST_CHECK_(1, "mutt_mem_free(NULL)");
+  }
+
+  {
+    void *ptr = NULL;
+    mutt_mem_free(&ptr);
+    TEST_CHECK_(1, "mutt_mem_free(&ptr)");
+  }
 }
diff --git a/test/memory/mutt_mem_realloc.c b/test/memory/mutt_mem_realloc.c
index 1e18d32f9..7e3afbdc1 100644
--- a/test/memory/mutt_mem_realloc.c
+++ b/test/memory/mutt_mem_realloc.c
@@ -28,4 +28,9 @@
 void test_mutt_mem_realloc(void)
 {
   // void mutt_mem_realloc(void *ptr, size_t size);
+
+  {
+    mutt_mem_realloc(NULL, 10);
+    TEST_CHECK_(1, "mutt_mem_realloc(NULL, 10)");
+  }
 }
-- 
2.40.0