Merge branch 'dev'5.2.0

1 files changed, 25 insertions, 1 deletions

diff --git a/test/integration/aligned_alloc.c b/test/integration/aligned_alloc.c
index 536b67e..4375b17 100644
--- a/test/integration/aligned_alloc.c
+++ b/test/integration/aligned_alloc.c
@@ -34,6 +34,17 @@ TEST_BEGIN(test_alignment_errors) {
 }
 TEST_END
 
+
+/*
+ * GCC "-Walloc-size-larger-than" warning detects when one of the memory
+ * allocation functions is called with a size larger than the maximum size that
+ * they support. Here we want to explicitly test that the allocation functions
+ * do indeed fail properly when this is the case, which triggers the warning.
+ * Therefore we disable the warning for these tests.
+ */
+JEMALLOC_DIAGNOSTIC_PUSH
+JEMALLOC_DIAGNOSTIC_IGNORE_ALLOC_SIZE_LARGER_THAN
+
 TEST_BEGIN(test_oom_errors) {
 	size_t alignment, size;
 	void *p;
@@ -78,6 +89,9 @@ TEST_BEGIN(test_oom_errors) {
 }
 TEST_END
 
+/* Re-enable the "-Walloc-size-larger-than=" warning */
+JEMALLOC_DIAGNOSTIC_POP
+
 TEST_BEGIN(test_alignment_and_size) {
 #define NITER 4
 	size_t alignment, size, total;
@@ -124,10 +138,20 @@ TEST_BEGIN(test_alignment_and_size) {
 }
 TEST_END
 
+TEST_BEGIN(test_zero_alloc) {
+	void *res = aligned_alloc(8, 0);
+	assert(res);
+	size_t usable = malloc_usable_size(res);
+	assert(usable > 0);
+	free(res);
+}
+TEST_END
+
 int
 main(void) {
 	return test(
 	    test_alignment_errors,
 	    test_oom_errors,
-	    test_alignment_and_size);
+	    test_alignment_and_size,
+	    test_zero_alloc);
 }