1 files changed, 67 insertions, 0 deletions
diff --git a/deps/jemalloc/test/integration/cpp/infallible_new_true.cpp b/deps/jemalloc/test/integration/cpp/infallible_new_true.cpp
new file mode 100644
index 0000000..d675412
--- /dev/null
+++ b/deps/jemalloc/test/integration/cpp/infallible_new_true.cpp
@@ -0,0 +1,67 @@
+#include <stdio.h>
+
+#include "test/jemalloc_test.h"
+
+/*
+ * We can't test C++ in unit tests.  In order to intercept abort, use a secret
+ * safety check abort hook in integration tests.
+ */
+typedef void (*abort_hook_t)(const char *message);
+bool fake_abort_called;
+void fake_abort(const char *message) {
+	if (strcmp(message, "<jemalloc>: Allocation failed and "
+	    "opt.experimental_infallible_new is true. Aborting.\n") != 0) {
+		abort();
+	}
+	fake_abort_called = true;
+}
+
+static bool
+own_operator_new(void) {
+	uint64_t before, after;
+	size_t sz = sizeof(before);
+
+	/* thread.allocated is always available, even w/o config_stats. */
+	expect_d_eq(mallctl("thread.allocated", (void *)&before, &sz, NULL, 0),
+	    0, "Unexpected mallctl failure reading stats");
+	void *volatile ptr = ::operator new((size_t)8);
+	expect_ptr_not_null(ptr, "Unexpected allocation failure");
+	expect_d_eq(mallctl("thread.allocated", (void *)&after, &sz, NULL, 0),
+	    0, "Unexpected mallctl failure reading stats");
+
+	return (after != before);
+}
+
+TEST_BEGIN(test_failing_alloc) {
+	abort_hook_t abort_hook = &fake_abort;
+	expect_d_eq(mallctl("experimental.hooks.safety_check_abort", NULL, NULL,
+	    (void *)&abort_hook, sizeof(abort_hook)), 0,
+	    "Unexpected mallctl failure setting abort hook");
+
+	/*
+	 * Not owning operator new is only expected to happen on MinGW which
+	 * does not support operator new / delete replacement.
+	 */
+#ifdef _WIN32
+	test_skip_if(!own_operator_new());
+#else
+	expect_true(own_operator_new(), "No operator new overload");
+#endif
+	void *volatile ptr = (void *)1;
+	try {
+		/* Too big of an allocation to succeed. */
+		ptr = ::operator new((size_t)-1);
+	} catch (...) {
+		abort();
+	}
+	expect_ptr_null(ptr, "Allocation should have failed");
+	expect_b_eq(fake_abort_called, true, "Abort hook not invoked");
+}
+TEST_END
+
+int
+main(void) {
+	return test(
+	    test_failing_alloc);
+}
+