Add unit tests for conf parsing and its helpers

test/unit/conf_init_confirm.c

@@ -0,0 +1,39 @@
+#include "test/jemalloc_test.h"
+
+const char *malloc_conf = "dirty_decay_ms:1234,confirm_conf:true";
+
+TEST_BEGIN(test_confirm_conf_two_pass) {
+#ifdef _WIN32
+	test_skip("not supported on win32");
+#endif
+
+	bool confirm_conf;
+	size_t sz = sizeof(confirm_conf);
+
+	int err = mallctl("opt.confirm_conf", &confirm_conf, &sz, NULL, 0);
+	assert_d_eq(err, 0, "Unexpected mallctl failure");
+	expect_true(confirm_conf,
+	    "confirm_conf should be true (processed in pass 1)");
+}
+TEST_END
+
+TEST_BEGIN(test_conf_option_applied_in_second_pass) {
+#ifdef _WIN32
+	test_skip("not supported on win32");
+#endif
+
+	ssize_t dirty_decay_ms;
+	size_t sz = sizeof(dirty_decay_ms);
+
+	int err = mallctl("opt.dirty_decay_ms", &dirty_decay_ms, &sz, NULL, 0);
+	assert_d_eq(err, 0, "Unexpected mallctl failure");
+	expect_zd_eq(dirty_decay_ms, 1234,
+	    "dirty_decay_ms should be 1234 (processed in pass 2)");
+}
+TEST_END
+
+int
+main(void) {
+	return test(test_confirm_conf_two_pass,
+	    test_conf_option_applied_in_second_pass);
+}