diff --git a/tests/xua_unit_tests/src/test_hid.c b/tests/xua_unit_tests/src/test_hid.c
index 26ac4fd4..1e45b51d 100644
--- a/tests/xua_unit_tests/src/test_hid.c
+++ b/tests/xua_unit_tests/src/test_hid.c
@@ -5,15 +5,37 @@
 #include "xua_unit_tests.h"
 #include "xua_hid_report_descriptor.h"
 
-void test_uninitialised_hidGetReportDescriptor()
+static unsigned construct_usage_header( unsigned size )
+{
+    unsigned header = 0x00;
+
+    header |= ( HID_REPORT_ITEM_USAGE_TAG  << HID_REPORT_ITEM_HDR_TAG_SHIFT  ) & HID_REPORT_ITEM_HDR_TAG_MASK;
+    header |= ( HID_REPORT_ITEM_USAGE_TYPE << HID_REPORT_ITEM_HDR_TYPE_SHIFT ) & HID_REPORT_ITEM_HDR_TYPE_MASK;
+
+    header |= ( size << HID_REPORT_ITEM_HDR_SIZE_SHIFT ) & HID_REPORT_ITEM_HDR_SIZE_MASK;
+
+    return header;
+}
+
+void test_uninitialised_hidGetReportDescriptor( void )
 {
     unsigned char* reportDescPtr = hidGetReportDescriptor();
     TEST_ASSERT_NULL( reportDescPtr );
 }
 
-void test_initialised_hidGetReportDescriptor()
+void test_initialised_hidGetReportDescriptor( void )
 {
     hidInitReportDescriptor();
     unsigned char* reportDescPtr = hidGetReportDescriptor();
     TEST_ASSERT_NOT_NULL( reportDescPtr );
 }
+
+void test_bad_bit_hidSetReportItem( void )
+{
+    const unsigned bit = 8;
+    const unsigned byte = 0;
+    const unsigned char header = construct_usage_header( 0 );
+
+    unsigned retVal = hidSetReportItem( byte, bit, header, NULL );
+    TEST_ASSERT_EQUAL_UINT( HID_STATUS_BAD_LOCATION, retVal );
+}