Adding test code for 'isWhitespace'

Author: aentinger

test/CMakeLists.txt

@@ -34,6 +34,7 @@ set(TEST_SRCS
   src/WCharacter/test_isPunct.cpp
   src/WCharacter/test_isSpace.cpp
   src/WCharacter/test_isUpperCase.cpp
+  src/WCharacter/test_isWhitespace.cpp
 )
 
 set(TEST_DUT_SRCS

test/src/WCharacter/test_isWhitespace.cpp

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2020 Arduino.  All rights reserved.
+ */
+
+/**************************************************************************************
+ * INCLUDE
+ **************************************************************************************/
+
+#include <catch.hpp>
+
+#include <WCharacter.h>
+
+/**************************************************************************************
+ * TEST CODE
+ **************************************************************************************/
+
+TEST_CASE ("isWhitespace(...) is called with ' '", "[isWhitespace-01]")
+{
+  REQUIRE(arduino::isWhitespace(' ') == true);
+}
+
+TEST_CASE ("isWhitespace(...) is called with '\t'", "[isWhitespace-02]")
+{
+  REQUIRE(arduino::isWhitespace('\t') == true);
+}
+
+TEST_CASE ("isWhitespace(...) is called with a non whitespace char", "[isWhitespace-03]")
+{
+  REQUIRE(arduino::isWhitespace('\r') == false);
+}