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arcs/arcs-sdk/modules/cpputest/tests/CppUTest/TestFailureNaNTest.cpp
2026-08-13 16:50:52 +08:00

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/*
* Copyright (c) 2007, Michael Feathers, James Grenning and Bas Vodde
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE EARLIER MENTIONED AUTHORS ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "CppUTest/TestHarness.h"
#include "CppUTest/TestOutput.h"
#include "CppUTest/PlatformSpecificFunctions.h"
#if CPPUTEST_USE_STD_C_LIB
#include <math.h>
#endif
#if defined(NAN) && defined(INFINITY)
namespace
{
const int failLineNumber = 2;
const char* failFileName = "fail.cpp";
}
TEST_GROUP(TestFailureNanAndInf)
{
UtestShell* test;
void setup() CPPUTEST_OVERRIDE
{
test = new UtestShell("groupname", "testname", failFileName, failLineNumber-1);
}
void teardown() CPPUTEST_OVERRIDE
{
delete test;
}
};
#define FAILURE_EQUAL(a, b) STRCMP_EQUAL_LOCATION(a, (b).getMessage().asCharString(), "", __FILE__, __LINE__)
TEST(TestFailureNanAndInf, DoublesEqualExpectedIsNaN)
{
DoublesEqualFailure f(test, failFileName, failLineNumber, (double)NAN, 2.0, 3.0, "");
FAILURE_EQUAL("expected <Nan - Not a number>\n"
"\tbut was <2> threshold used was <3>\n"
"\tCannot make comparisons with Nan", f);
}
TEST(TestFailureNanAndInf, DoublesEqualActualIsNaN)
{
DoublesEqualFailure f(test, failFileName, failLineNumber, 1.0, (double)NAN, 3.0, "");
FAILURE_EQUAL("expected <1>\n"
"\tbut was <Nan - Not a number> threshold used was <3>\n"
"\tCannot make comparisons with Nan", f);
}
TEST(TestFailureNanAndInf, DoublesEqualThresholdIsNaN)
{
DoublesEqualFailure f(test, failFileName, failLineNumber, 1.0, 2.0, (double)NAN, "");
FAILURE_EQUAL("expected <1>\n"
"\tbut was <2> threshold used was <Nan - Not a number>\n"
"\tCannot make comparisons with Nan", f);
}
TEST(TestFailureNanAndInf, DoublesEqualExpectedIsInf)
{
DoublesEqualFailure f(test, failFileName, failLineNumber, (double)INFINITY, 2.0, 3.0, "");
FAILURE_EQUAL("expected <Inf - Infinity>\n"
"\tbut was <2> threshold used was <3>", f);
}
TEST(TestFailureNanAndInf, DoublesEqualActualIsInf)
{
DoublesEqualFailure f(test, failFileName, failLineNumber, 1.0, (double)INFINITY, 3.0, "");
FAILURE_EQUAL("expected <1>\n"
"\tbut was <Inf - Infinity> threshold used was <3>", f);
}
TEST(TestFailureNanAndInf, DoublesEqualThresholdIsInf)
{
DoublesEqualFailure f(test, failFileName, failLineNumber, 1.0, (double)NAN, (double)INFINITY, "");
FAILURE_EQUAL("expected <1>\n"
"\tbut was <Nan - Not a number> threshold used was <Inf - Infinity>\n"
"\tCannot make comparisons with Nan", f);
}
#endif