Add unit test for GetUserName

src/CMakeLists.txt

@@ -11,7 +11,7 @@ link_directories(${monad_native_BINARY_DIR})
 set(LIB_SOURCE_FILES impl/getcurrentprocessorid.cpp impl/getusername.cpp impl/terminal.cpp)
 set(HOST_COMMON_SOURCE_FILES host/common/coreclrutil.cpp)
 set(HOST_COMMON_TEST_SOURCE_FILES tests/host/test-hostutil.cpp)
-set(TEST_SOURCE_FILES tests/test-getcurrentprocessid.cpp ${HOST_COMMON_SOURCE_FILES} ${HOST_COMMON_TEST_SOURCE_FILES})
+set(TEST_SOURCE_FILES tests/test-getcurrentprocessid.cpp tests/test-getusername.cpp ${HOST_COMMON_SOURCE_FILES} ${HOST_COMMON_TEST_SOURCE_FILES})
 set(SOURCE_FILES main.cpp ../ext-src/gtest/fused-src/gtest/gtest-all.cc)
 SET(HOST_CMDLINE_SOURCE_FILES host/cmdline/main.cpp ${HOST_COMMON_SOURCE_FILES})
 

src/tests/test-getusername.cpp

@@ -0,0 +1,23 @@
+#include <unistd.h>
+#include <gtest/gtest.h>
+#include "getusername.h"
+
+TEST(GetUserName,simple)
+{
+	// allocate a WCHAR_T buffer to receive username
+	DWORD lpnSize = 64;
+	WCHAR_T lpBuffer[lpnSize];
+
+	BOOL result = GetUserName(lpBuffer, &lpnSize);
+
+	// GetUserName returns 1 on success
+	ASSERT_EQ(1, result);
+
+	// get expected username
+	const char *username = getlogin();
+
+	// GetUserName sets lpnSize to length of username including null
+	ASSERT_EQ(strlen(username)+1, lpnSize);
+
+	// TODO: ASSERT_STREQ(username, Utf16leToUtf8(lpBuffer))
+}