check memory allocation failure

unicode-org · Feb 1, 2020 · 18ba9f6 · 18ba9f6
1 parent 42ba23c
commit 18ba9f6
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/icu4c/source/test/intltest/ustrtest.cpp b/icu4c/source/test/intltest/ustrtest.cpp
@@ -2350,6 +2350,10 @@ void UnicodeStringTest::TestLargeAppend() {
             UnicodeString str2;
             int32_t remain = INT32_MAX - total;
             char16_t *buf2 = str2.getBuffer(remain);
+            if (buf2 == nullptr) {
+                // if somehow memory allocation fail, return the test
+                return;
+            }
             uprv_memset(buf2, 0x4e, remain * 2);
             str2.releaseBuffer(remain);
             dest.append(str2);