diff --git a/test_conformance/printf/test_printf.cpp b/test_conformance/printf/test_printf.cpp
index d59e06825b..9debd06b32 100644
--- a/test_conformance/printf/test_printf.cpp
+++ b/test_conformance/printf/test_printf.cpp
@@ -1017,6 +1017,12 @@ int test_mixed_format_random(cl_device_id deviceID, cl_context context,
     return doTest(gQueue, gContext, TYPE_MIXED_FORMAT_RANDOM, deviceID);
 }
 
+int test_length_specifier(cl_device_id deviceID, cl_context context,
+                          cl_command_queue queue, int num_elements)
+{
+    return doTest(gQueue, gContext, TYPE_LENGTH_SPECIFIER, deviceID);
+}
+
 int test_buffer_size(cl_device_id deviceID, cl_context context,
                      cl_command_queue queue, int num_elements)
 {
@@ -1060,6 +1066,7 @@ test_definition test_list[] = {
     ADD_TEST(address_space),
     ADD_TEST(buffer_size),
     ADD_TEST(mixed_format_random),
+    ADD_TEST(length_specifier),
 };
 
 const int test_num = ARRAY_SIZE( test_list );
diff --git a/test_conformance/printf/test_printf.h b/test_conformance/printf/test_printf.h
index 51f351170f..9f84db260e 100644
--- a/test_conformance/printf/test_printf.h
+++ b/test_conformance/printf/test_printf.h
@@ -61,6 +61,7 @@ enum PrintfTestType
     TYPE_VECTOR,
     TYPE_ADDRESS_SPACE,
     TYPE_MIXED_FORMAT_RANDOM,
+    TYPE_LENGTH_SPECIFIER,
     TYPE_COUNT
 };
 
diff --git a/test_conformance/printf/util_printf.cpp b/test_conformance/printf/util_printf.cpp
index 5b96e8683d..0f2c2a9972 100644
--- a/test_conformance/printf/util_printf.cpp
+++ b/test_conformance/printf/util_printf.cpp
@@ -1397,6 +1397,104 @@ testCase testCaseMixedFormat = { TYPE_MIXED_FORMAT_RANDOM,
                                  correctBufferMixedFormat,
                                  printMixedFormatGenParameters, NULL };
 
+
+//=============================================================
+
+// length sub-specifier format
+
+//=============================================================
+
+std::vector<printDataGenParameters> printLenSpecGenParameters = {
+
+    { { "%hd" }, "32767" },
+
+    { { "%hhd" }, "127" },
+
+    { { "%ld" }, "9223372036854775807L" },
+
+    { { "%hhd" }, "-128" },
+
+    { { "%ld" }, "-9223372036854775807L" },
+
+    { { "%hx" }, "32767" },
+
+    { { "%hhx" }, "127" },
+
+    { { "%lx" }, "9223372036854775807L" },
+
+    { { "%hhx" }, "-128" },
+
+    { { "%lx" }, "-9223372036854775807L" },
+
+    { { "%ho" }, "32767" },
+
+    { { "%hho" }, "127" },
+
+    { { "%lo" }, "9223372036854775807L" },
+
+    { { "%hho" }, "-128" },
+
+    { { "%lo" }, "-9223372036854775807L" },
+};
+
+//---------------------------------------------------------
+
+// Lookup table -[string] length specified correct buffer
+
+//---------------------------------------------------------
+
+std::vector<std::string> correctBufferLenSpec = {
+
+    "32767",
+
+    "127",
+
+    "9223372036854775807",
+
+    "-128",
+
+    "-9223372036854775807",
+
+    "7fff",
+
+    "7f",
+
+    "7fffffffffffffff",
+
+    "80",
+
+    "8000000000000001",
+
+    "77777",
+
+    "177",
+
+    "777777777777777777777",
+
+    "200",
+
+    "1000000000000000000001",
+};
+
+
+//----------------------------------------------------------
+
+// Test case for length specified values
+
+//----------------------------------------------------------
+
+testCase testCaseLenSpec = {
+
+    TYPE_LENGTH_SPECIFIER,
+
+    correctBufferLenSpec,
+
+    printLenSpecGenParameters,
+
+    NULL
+
+};
+
 //-------------------------------------------------------------------------------
 
 //All Test cases                                                                |
@@ -1409,7 +1507,7 @@ std::vector<testCase*> allTestCase = {
     &testCaseDoubleLimits, &testCaseOctal,       &testCaseUnsigned,
     &testCaseHexadecimal,  &testCaseChar,        &testCaseString,
     &testCaseFormatString, &testCaseVector,      &testCaseAddrSpace,
-    &testCaseMixedFormat
+    &testCaseMixedFormat,  &testCaseLenSpec
 };
 
 //-----------------------------------------