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arcs/arcs-sdk/modules/cpputest/tests/CppUTestExt/IEEE754PluginTest.cpp
2026-08-13 16:50:52 +08:00

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4.8 KiB
C++

/*
* Copyright (c) 2015, Michael Feathers, James Grenning, Bas Vodde
* and Arnd R. Strube. 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/CommandLineTestRunner.h"
#include "CppUTest/TestHarness.h"
#include "CppUTest/TestRegistry.h"
#include "CppUTest/TestTestingFixture.h"
#include "CppUTestExt/IEEE754ExceptionsPlugin.h"
#if CPPUTEST_HAVE_FENV
#include "IEEE754PluginTest_c.h"
TEST_GROUP(FE_with_Plugin)
{
TestTestingFixture fixture;
IEEE754ExceptionsPlugin ieee754Plugin;
void setup(void) CPPUTEST_OVERRIDE
{
fixture.installPlugin(&ieee754Plugin);
}
};
TEST(FE_with_Plugin, should_fail_when_FE_DIVBYZERO_is_set)
{
fixture.setTestFunction(set_divisionbyzero_c);
fixture.runAllTests();
fixture.assertPrintContains("IEEE754_CHECK_CLEAR(FE_DIVBYZERO) failed");
}
TEST(FE_with_Plugin, should_fail_when_FE_OVERFLOW_is_set)
{
fixture.setTestFunction(set_overflow_c);
fixture.runAllTests();
fixture.assertPrintContains("IEEE754_CHECK_CLEAR(FE_OVERFLOW) failed");
}
TEST(FE_with_Plugin, should_fail_when_FE_UNDERFLOW_is_set)
{
fixture.setTestFunction(set_underflow_c);
fixture.runAllTests();
fixture.assertPrintContains("IEEE754_CHECK_CLEAR(FE_UNDERFLOW) failed");
}
TEST(FE_with_Plugin, should_fail_when_FE_INEXACT_is_set_and_enabled)
{
IEEE754ExceptionsPlugin::enableInexact();
fixture.setTestFunction(set_inexact_c);
fixture.runAllTests();
fixture.assertPrintContains("IEEE754_CHECK_CLEAR(FE_INEXACT) failed");
}
TEST(FE_with_Plugin, should_succeed_when_FE_INEXACT_is_set_and_disabled)
{
IEEE754ExceptionsPlugin::enableInexact();
IEEE754ExceptionsPlugin::disableInexact();
fixture.setTestFunction(set_inexact_c);
fixture.runAllTests();
fixture.assertPrintContains("OK");
}
TEST(FE_with_Plugin, should_succeed_with_5_checks_when_no_flags_are_set)
{
IEEE754ExceptionsPlugin::enableInexact();
fixture.setTestFunction(set_nothing_c);
fixture.runAllTests();
fixture.assertPrintContains("OK (1 tests, 1 ran, 5 checks, 0 ignored, 0 filtered out");
IEEE754ExceptionsPlugin::disableInexact();
}
TEST(FE_with_Plugin, should_check_five_times_when_all_flags_are_set)
{
fixture.setTestFunction(set_everything_c);
fixture.runAllTests();
LONGS_EQUAL(5, fixture.getCheckCount());
}
TEST(FE_with_Plugin, should_fail_only_once_when_all_flags_are_set)
{
fixture.setTestFunction(set_everything_c);
fixture.runAllTests();
LONGS_EQUAL(1, fixture.getFailureCount());
}
static void set_everything_but_already_failed(void)
{
set_everything_c();
CHECK(1 == 2);
}
TEST(FE_with_Plugin, should_not_fail_again_when_test_has_already_failed)
{
fixture.setTestFunction(set_everything_but_already_failed);
fixture.runAllTests();
CHECK(IEEE754ExceptionsPlugin::checkIeee754OverflowExceptionFlag());
CHECK(IEEE754ExceptionsPlugin::checkIeee754UnderflowExceptionFlag());
CHECK(IEEE754ExceptionsPlugin::checkIeee754InexactExceptionFlag());
CHECK(IEEE754ExceptionsPlugin::checkIeee754DivByZeroExceptionFlag());
LONGS_EQUAL(1, fixture.getCheckCount());
LONGS_EQUAL(1, fixture.getFailureCount());
}
static IEEE754ExceptionsPlugin ip;
TEST_GROUP(IEEE754ExceptionsPlugin2)
{
void setup(void) CPPUTEST_OVERRIDE
{
TestRegistry::getCurrentRegistry()->installPlugin(&ip);
}
};
IGNORE_TEST(IEEE754ExceptionsPlugin2, should_not_fail_in_ignored_test)
{
set_everything_c();
}
#endif