New test helper macros TEST_LE_U, TEST_LE_S

Test assertions for integer comparisons that display the compared values on
failure. Similar to TEST_EQUAL.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/src/helpers.c b/tests/src/helpers.c
index c53e4fc..abc6852 100644
--- a/tests/src/helpers.c
+++ b/tests/src/helpers.c
@@ -140,6 +140,52 @@
     return( 0 );
 }
 
+int mbedtls_test_le_u( const char *test, int line_no, const char* filename,
+                       unsigned long long value1, unsigned long long value2 )
+{
+    if( value1 <= value2 )
+        return( 1 );
+    if( mbedtls_test_info.result == MBEDTLS_TEST_RESULT_FAILED )
+    {
+        /* We've already recorded the test as having failed. Don't
+         * overwrite any previous information about the failure. */
+        return( 0 );
+    }
+    mbedtls_test_fail( test, line_no, filename );
+    (void) mbedtls_snprintf( mbedtls_test_info.line1,
+                             sizeof( mbedtls_test_info.line1 ),
+                             "lhs = 0x%016llx = %llu",
+                             value1, value1 );
+    (void) mbedtls_snprintf( mbedtls_test_info.line2,
+                             sizeof( mbedtls_test_info.line2 ),
+                             "rhs = 0x%016llx = %llu",
+                             value2, value2 );
+    return( 0 );
+}
+
+int mbedtls_test_le_s( const char *test, int line_no, const char* filename,
+                       long long value1, long long value2 )
+{
+    if( value1 <= value2 )
+        return( 1 );
+    if( mbedtls_test_info.result == MBEDTLS_TEST_RESULT_FAILED )
+    {
+        /* We've already recorded the test as having failed. Don't
+         * overwrite any previous information about the failure. */
+        return( 0 );
+    }
+    mbedtls_test_fail( test, line_no, filename );
+    (void) mbedtls_snprintf( mbedtls_test_info.line1,
+                             sizeof( mbedtls_test_info.line1 ),
+                             "lhs = 0x%016llx = %lld",
+                             (unsigned long long) value1, value1 );
+    (void) mbedtls_snprintf( mbedtls_test_info.line2,
+                             sizeof( mbedtls_test_info.line2 ),
+                             "rhs = 0x%016llx = %lld",
+                             (unsigned long long) value2, value2 );
+    return( 0 );
+}
+
 int mbedtls_test_unhexify( unsigned char *obuf,
                            size_t obufmax,
                            const char *ibuf,