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			81 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2018
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// MIT License
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#include <ArduinoJson/Numbers/isFloat.hpp>
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#include <catch.hpp>
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using namespace ArduinoJson::Internals;
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TEST_CASE("isFloat()") {
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  SECTION("Input is NULL") {
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    REQUIRE(isFloat(NULL) == false);
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  }
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  SECTION("Empty string") {
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    REQUIRE(isFloat("") == false);
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  }
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  SECTION("NoExponent") {
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    REQUIRE(isFloat("3.14") == true);
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    REQUIRE(isFloat("-3.14") == true);
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    REQUIRE(isFloat("+3.14") == true);
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  }
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  SECTION("IntegralPartMissing") {
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    REQUIRE(isFloat(".14") == true);
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    REQUIRE(isFloat("-.14") == true);
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    REQUIRE(isFloat("+.14") == true);
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  }
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  SECTION("FractionalPartMissing") {
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    REQUIRE(isFloat("3.") == true);
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    REQUIRE(isFloat("-3.e14") == true);
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    REQUIRE(isFloat("+3.e-14") == true);
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  }
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  SECTION("NoDot") {
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    REQUIRE(isFloat("3e14") == true);
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    REQUIRE(isFloat("3e-14") == true);
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    REQUIRE(isFloat("3e+14") == true);
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  }
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  SECTION("Integer") {
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    REQUIRE(isFloat("14") == true);
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    REQUIRE(isFloat("-14") == true);
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    REQUIRE(isFloat("+14") == true);
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  }
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  SECTION("ExponentMissing") {
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    REQUIRE(isFloat("3.14e") == false);
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    REQUIRE(isFloat("3.14e-") == false);
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    REQUIRE(isFloat("3.14e+") == false);
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  }
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  SECTION("JustASign") {
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    REQUIRE(isFloat("-") == false);
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    REQUIRE(isFloat("+") == false);
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  }
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  SECTION("Empty") {
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    REQUIRE(isFloat("") == false);
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  }
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  SECTION("NaN") {
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    REQUIRE(isFloat("NaN") == true);
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    REQUIRE(isFloat("n") == false);
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    REQUIRE(isFloat("N") == false);
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    REQUIRE(isFloat("nan") == false);
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    REQUIRE(isFloat("-NaN") == false);
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    REQUIRE(isFloat("+NaN") == false);
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  }
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  SECTION("Infinity") {
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    REQUIRE(isFloat("Infinity") == true);
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    REQUIRE(isFloat("+Infinity") == true);
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    REQUIRE(isFloat("-Infinity") == true);
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    REQUIRE(isFloat("infinity") == false);
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    REQUIRE(isFloat("Inf") == false);
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  }
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}
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