1 files changed, 57 insertions, 0 deletions
diff --git a/deps/jemalloc/test/unit/prof_idump.c b/deps/jemalloc/test/unit/prof_idump.c
new file mode 100644
index 0000000..455ac52
--- /dev/null
+++ b/deps/jemalloc/test/unit/prof_idump.c
@@ -0,0 +1,57 @@
+#include "test/jemalloc_test.h"
+
+#include "jemalloc/internal/prof_sys.h"
+
+#define TEST_PREFIX "test_prefix"
+
+static bool did_prof_dump_open;
+
+static int
+prof_dump_open_file_intercept(const char *filename, int mode) {
+	int fd;
+
+	did_prof_dump_open = true;
+
+	const char filename_prefix[] = TEST_PREFIX ".";
+	expect_d_eq(strncmp(filename_prefix, filename, sizeof(filename_prefix)
+	    - 1), 0, "Dump file name should start with \"" TEST_PREFIX ".\"");
+
+	fd = open("/dev/null", O_WRONLY);
+	assert_d_ne(fd, -1, "Unexpected open() failure");
+
+	return fd;
+}
+
+TEST_BEGIN(test_idump) {
+	bool active;
+	void *p;
+
+	const char *test_prefix = TEST_PREFIX;
+
+	test_skip_if(!config_prof);
+
+	active = true;
+
+	expect_d_eq(mallctl("prof.prefix", NULL, NULL, (void *)&test_prefix,
+	    sizeof(test_prefix)), 0,
+	    "Unexpected mallctl failure while overwriting dump prefix");
+
+	expect_d_eq(mallctl("prof.active", NULL, NULL, (void *)&active,
+	    sizeof(active)), 0,
+	    "Unexpected mallctl failure while activating profiling");
+
+	prof_dump_open_file = prof_dump_open_file_intercept;
+
+	did_prof_dump_open = false;
+	p = mallocx(1, 0);
+	expect_ptr_not_null(p, "Unexpected mallocx() failure");
+	dallocx(p, 0);
+	expect_true(did_prof_dump_open, "Expected a profile dump");
+}
+TEST_END
+
+int
+main(void) {
+	return test(
+	    test_idump);
+}