1 files changed, 60 insertions, 0 deletions
diff --git a/test/ipmi_unittest.cpp b/test/ipmi_unittest.cpp
new file mode 100644
index 0000000..8f27ed7
--- /dev/null
+++ b/test/ipmi_unittest.cpp
@@ -0,0 +1,60 @@
+#include "ipmi.hpp"
+
+#include <cstring>
+
+#include <gtest/gtest.h>
+
+namespace blobs
+{
+
+// ipmid.hpp isn't installed where we can grab it and this value is per BMC
+// SoC.
+#define MAX_IPMI_BUFFER 64
+
+TEST(StringInputTest, NullPointerInput)
+{
+    // The method should verify it did receive a non-null input pointer.
+
+    EXPECT_STREQ("", stringFromBuffer(NULL, 5).c_str());
+}
+
+TEST(StringInputTest, ZeroBytesInput)
+{
+    // Verify that if the input length is 0 that it'll return the empty string.
+
+    const char* request = "asdf";
+    EXPECT_STREQ("", stringFromBuffer(request, 0).c_str());
+}
+
+TEST(StringInputTest, NulTerminatorNotFound)
+{
+    // Verify that if there isn't a nul-terminator found in an otherwise valid
+    // string, it'll return the emptry string.
+
+    char request[MAX_IPMI_BUFFER];
+    std::memset(request, 'a', sizeof(request));
+    EXPECT_STREQ("", stringFromBuffer(request, sizeof(request)).c_str());
+}
+
+TEST(StringInputTest, TwoNulsFound)
+{
+    // Verify it makes you use the entire data region for the string.
+    char request[MAX_IPMI_BUFFER];
+    request[0] = 'a';
+    request[1] = 0;
+    std::memset(&request[2], 'b', sizeof(request) - 2);
+    request[MAX_IPMI_BUFFER - 1] = 0;
+
+    // This case has two strings, and the last character is a nul-terminator.
+    EXPECT_STREQ("", stringFromBuffer(request, sizeof(request)).c_str());
+}
+
+TEST(StringInputTest, NulTerminatorFound)
+{
+    // Verify that if it's provided a valid nul-terminated string, it'll
+    // return it.
+
+    const char* request = "asdf";
+    EXPECT_STREQ("asdf", stringFromBuffer(request, 5).c_str());
+}
+} // namespace blobs