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Add String::isEmpty()#220

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Merged
aentinger merged 2 commits intoarduino:masterfromalranel:isempty
Nov 8, 2023
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1 change: 1 addition & 0 deletionsapi/String.h
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Original file line numberDiff line numberDiff line change
Expand Up@@ -89,6 +89,7 @@ class String
// invalid string (i.e., "if (s)" will be true afterwards)
bool reserve(unsigned int size);
inline unsigned int length(void) const {return len;}
inline bool isEmpty(void) const { return length() == 0; }

// creates a copy of the assigned value. if the value is null or
// invalid, or if the memory allocation fails, the string will be
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29 changes: 29 additions & 0 deletionstest/src/String/test_isEmpty.cpp
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
/*
* Copyright (c) 2023 Arduino. All rights reserved.
*/

/**************************************************************************************
* INCLUDE
**************************************************************************************/

#include <catch.hpp>

#include <api/String.h>

#include "StringPrinter.h"

/**************************************************************************************
* TEST CODE
**************************************************************************************/

TEST_CASE ("Testing String::isEmpty when string is empty", "[String-isEmpty-01]")
{
arduino::String str;
REQUIRE(str.isEmpty());
}

TEST_CASE ("Testing String::isEmpty when string contains characters", "[String-isEmpty-02]")
{
arduino::String str("Testing String::isEmpty");
REQUIRE(!str.isEmpty());
}
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