From: Ivan Grokhotkov <ivan@espressif.com>
Date: Tue, 27 Jun 2017 03:28:37 +0000 (+0800)
Subject: nvs: add test for ESP_ERR_NVS_INVALID_LENGTH
X-Git-Tag: v3.1-dev~510^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f04512369113a857d213d644d5dc8cfbe46c8690;p=esp-idf

nvs: add test for ESP_ERR_NVS_INVALID_LENGTH
---

diff --git a/components/nvs_flash/test_nvs_host/test_nvs.cpp b/components/nvs_flash/test_nvs_host/test_nvs.cpp
index ce5c864303..22d4c3b70b 100644
--- a/components/nvs_flash/test_nvs_host/test_nvs.cpp
+++ b/components/nvs_flash/test_nvs_host/test_nvs.cpp
@@ -522,6 +522,14 @@ TEST_CASE("nvs api tests", "[nvs]")
     char buf[strlen(str) + 1];
     size_t buf_len = sizeof(buf);
 
+    size_t buf_len_needed;
+    TEST_ESP_OK(nvs_get_str(handle_2, "key", NULL, &buf_len_needed));
+    CHECK(buf_len_needed == buf_len);
+    
+    size_t buf_len_short = buf_len - 1;
+    TEST_ESP_ERR(ESP_ERR_NVS_INVALID_LENGTH, nvs_get_str(handle_2, "key", buf, &buf_len_short));
+    CHECK(buf_len_short == buf_len);
+    
     TEST_ESP_OK(nvs_get_str(handle_2, "key", buf, &buf_len));
 
     CHECK(0 == strcmp(buf, str));