Adding test code for String::remove(...)

Author: aentinger

test/CMakeLists.txt

@@ -44,6 +44,7 @@ set(TEST_SRCS
   src/Ringbuffer/test_store_char.cpp
   src/String/test_concat.cpp
   src/String/test_length.cpp
+  src/String/test_remove.cpp
   src/String/test_replace.cpp
   src/String/test_String.cpp
   src/String/test_toDouble.cpp

test/src/String/test_remove.cpp

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2020 Arduino.  All rights reserved.
+ */
+
+/**************************************************************************************
+ * INCLUDE
+ **************************************************************************************/
+
+#include <catch.hpp>
+
+#include <String.h>
+
+/**************************************************************************************
+ * TEST CODE
+ **************************************************************************************/
+
+TEST_CASE ("Testing String::remove(index) when string is empty", "[String-remove-01]")
+{
+  arduino::String str;
+  str.remove(0);
+  REQUIRE(str.length() == 0);
+}
+
+TEST_CASE ("Testing String::remove(index) when index is > string length", "[String-remove-02]")
+{
+  arduino::String str("Hello Arduino!");
+  str.remove(100);
+  REQUIRE(strcmp(str.c_str(), "Hello Arduino!") == 0);
+}
+
+TEST_CASE ("Testing String::remove(index) when index is < string length", "[String-remove-03]")
+{
+  arduino::String str("Hello Arduino!");
+  str.remove(5);
+  REQUIRE(strcmp(str.c_str(), "Hello") == 0);
+}
+
+TEST_CASE ("Testing String::remove(index,count) when string is empty", "[String-remove-04]")
+{
+  arduino::String str;
+  str.remove(0, 10);
+  REQUIRE(str.length() == 0);
+}
+
+TEST_CASE ("Testing String::remove(index,count) when index is > string length", "[String-remove-05]")
+{
+  arduino::String str("Hello Arduino!");
+  str.remove(100, 10);
+  REQUIRE(strcmp(str.c_str(), "Hello Arduino!") == 0);
+}
+
+TEST_CASE ("Testing String::remove(index,count) when index is < string length && count is > remaining length", "[String-remove-06]")
+{
+  arduino::String str("Hello Arduino!");
+  str.remove(5, 100);
+  REQUIRE(strcmp(str.c_str(), "Hello") == 0);
+}
+
+TEST_CASE ("Testing String::remove(index,count) when index is < string length && count is < remaining length", "[String-remove-07]")
+{
+  arduino::String str("Hello Arduino!");
+  str.remove(5, 1);
+  REQUIRE(strcmp(str.c_str(), "HelloArduino!") == 0);
+}