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#include "CoreSuite.h"
#include "TestAssertTest.h"
#include <cppunit/portability/FloatingPoint.h>
#include <algorithm>
#include <limits>
/*
Note:
- tests need to be added to test asserEquals() template function and
use of assertion traits. Some check may need to be added to check
the message content in Exception.
- code need to be refactored with the use of a test caller that expect
an exception.
*/
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TestAssertTest,
coreSuiteName() );
TestAssertTest::TestAssertTest()
{
}
TestAssertTest::~TestAssertTest()
{
}
void
TestAssertTest::setUp()
{
}
void
TestAssertTest::tearDown()
{
}
void
TestAssertTest::testAssertThrow()
{
CPPUNIT_ASSERT_THROW( throw std::string(), std::string );
try
{
int x;
CPPUNIT_ASSERT_THROW( x = 1234, std::string );
(void) x;
}
catch ( CPPUNIT_NS::Exception & )
{
return;
}
throw std::exception();
}
void
TestAssertTest::testAssertNoThrow()
{
int x;
CPPUNIT_ASSERT_NO_THROW( x = 1234 );
(void)x;
try
{
CPPUNIT_ASSERT_NO_THROW( throw std::exception() );
}
catch ( CPPUNIT_NS::Exception & )
{
return;
}
throw std::exception();
}
void
TestAssertTest::testAssertAssertionFail()
{
CPPUNIT_ASSERT_ASSERTION_FAIL( throw CPPUNIT_NS::Exception() );
try
{
int x;
CPPUNIT_ASSERT_ASSERTION_FAIL( x = 1234 );
(void)x;
}
catch ( CPPUNIT_NS::Exception & )
{
return;
}
throw std::exception();
}
void
TestAssertTest::testAssertAssertionPass()
{
int x;
CPPUNIT_ASSERT_ASSERTION_PASS( x = 1234 );
(void)x;
try
{
CPPUNIT_ASSERT_ASSERTION_PASS( throw CPPUNIT_NS::Exception() );
}
catch ( CPPUNIT_NS::Exception & )
{
return;
}
throw std::exception();
}
void
TestAssertTest::testAssert()
{
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT( true ) );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT( false ) );
}
static int foo() { return 1; }
void
TestAssertTest::testAssertEqual()
{
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_EQUAL( 1, 1 ) );
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_EQUAL( 1, foo() ) );
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_EQUAL( 12345678, 12345678 ) );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_EQUAL( 1, 2 ) );
}
void
TestAssertTest::testAssertLess()
{
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_LESS( 2, 1 ) );
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_LESS( 12345679, 12345678 ) );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_LESS( 1, 2 ) );
}
void
TestAssertTest::testAssertGreater()
{
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_GREATER( 1, 2 ) );
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_GREATER( 12345678, 12345679 ));
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_GREATER( 2, 1 ) );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_GREATER( 2, 2 ) );
}
void
TestAssertTest::testAssertLessEqual()
{
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_LESSEQUAL( 2, 1 ) );
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_LESSEQUAL( 12345679, 12345678 ));
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_LESSEQUAL( 2, 2 ) );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_LESSEQUAL( 1, 2 ) );
}
void
TestAssertTest::testAssertGreaterEqual()
{
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_GREATEREQUAL( 1, 2 ) );
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_GREATEREQUAL( 12345678, 12345679 ));
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_GREATEREQUAL( 12345678, 12345678 ));
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_GREATEREQUAL( 2, 2 ) );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_GREATEREQUAL( 2, 1 ) );
}
void
TestAssertTest::testAssertMessageTrue()
{
CPPUNIT_ASSERT_ASSERTION_PASS(
CPPUNIT_ASSERT_MESSAGE( "This test should not failed", true ) );
}
void
TestAssertTest::testAssertMessageFalse()
{
bool exceptionCaught = false;
std::string message( "This test message should not be seen" );
try
{
CPPUNIT_ASSERT_MESSAGE( message, 2==3 );
}
catch( CPPUNIT_NS::Exception &e )
{
exceptionCaught = true; // ok, we were expecting an exception.
checkMessageContains( &e, message );
}
CPPUNIT_ASSERT( exceptionCaught );
}
void
TestAssertTest::testAssertDoubleEquals()
{
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_DOUBLES_EQUAL( 1.1, 1.2, 0.101 ) );
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_DOUBLES_EQUAL( 1.2, 1.1, 0.101 ) );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_DOUBLES_EQUAL( 1.1, 1.2, 0.09 ) );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_DOUBLES_EQUAL( 1.2, 1.1, 0.09 ) );
}
/*
* Test that the error message from CPPUNIT_ASSERT_DOUBLES_EQUAL()
* has more than the default 6 digits of precision.
*/
void
TestAssertTest::testAssertDoubleEqualsPrecision()
{
std::string failure( "2.000000001" );
try
{
CPPUNIT_ASSERT_DOUBLES_EQUAL( 1.0, 2.000000001, 1 );
}
catch( CPPUNIT_NS::Exception &e )
{
checkMessageContains( &e, failure );
return;
}
CPPUNIT_FAIL( "Expected assertion failure" );
}
void
TestAssertTest::testAssertDoubleNonFinite()
{
double inf = std::numeric_limits<double>::infinity();
double nan = std::numeric_limits<double>::quiet_NaN();
// test our portable floating-point primitives that detect NaN values
CPPUNIT_ASSERT( CPPUNIT_NS::floatingPointIsUnordered( nan ) );
CPPUNIT_ASSERT( !CPPUNIT_NS::floatingPointIsUnordered( inf ) );
CPPUNIT_ASSERT( !CPPUNIT_NS::floatingPointIsUnordered( -inf ) );
CPPUNIT_ASSERT( !CPPUNIT_NS::floatingPointIsUnordered( 1.0 ) );
CPPUNIT_ASSERT( !CPPUNIT_NS::floatingPointIsUnordered( 1.5 ) );
CPPUNIT_ASSERT( !CPPUNIT_NS::floatingPointIsUnordered( 2.0 ) );
CPPUNIT_ASSERT( !CPPUNIT_NS::floatingPointIsUnordered( 2.5 ) );
CPPUNIT_ASSERT( !CPPUNIT_NS::floatingPointIsUnordered( 0.0 ) );
CPPUNIT_ASSERT( !CPPUNIT_NS::floatingPointIsUnordered( -1.0 ) );
CPPUNIT_ASSERT( !CPPUNIT_NS::floatingPointIsUnordered( -2.0 ) );
// test our portable floating-point primitives that detect finite values
CPPUNIT_ASSERT( CPPUNIT_NS::floatingPointIsFinite( 0.0 ) );
CPPUNIT_ASSERT( CPPUNIT_NS::floatingPointIsFinite( 0.5 ) );
CPPUNIT_ASSERT( CPPUNIT_NS::floatingPointIsFinite( 1.0 ) );
CPPUNIT_ASSERT( CPPUNIT_NS::floatingPointIsFinite( 1.5 ) );
CPPUNIT_ASSERT( CPPUNIT_NS::floatingPointIsFinite( 2.0 ) );
CPPUNIT_ASSERT( CPPUNIT_NS::floatingPointIsFinite( 2.5 ) );
CPPUNIT_ASSERT( CPPUNIT_NS::floatingPointIsFinite( -1.5 ) );
CPPUNIT_ASSERT( !CPPUNIT_NS::floatingPointIsFinite( nan ) );
CPPUNIT_ASSERT( !CPPUNIT_NS::floatingPointIsFinite( inf ) );
CPPUNIT_ASSERT( !CPPUNIT_NS::floatingPointIsFinite( -inf ) );
// Infinity tests
CPPUNIT_ASSERT( inf == inf );
CPPUNIT_ASSERT( -inf == -inf );
CPPUNIT_ASSERT( -inf != inf );
CPPUNIT_ASSERT( -inf < inf );
CPPUNIT_ASSERT( inf > -inf );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_DOUBLES_EQUAL( inf, 0.0, 1.0 ) );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.0, inf, 1.0 ) );
CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT_DOUBLES_EQUAL( inf, inf, 1.0 ) );
// NaN tests
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_DOUBLES_EQUAL( nan, 0.0, 1.0 ) );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_DOUBLES_EQUAL( nan, nan, 1.0 ) );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_DOUBLES_EQUAL( nan, inf, 1.0 ) );
CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT_DOUBLES_EQUAL( inf, nan, 1.0 ) );
}
void
TestAssertTest::testFail()
{
bool exceptionCaught = false;
std::string failure( "FailureMessage" );
try
{
CPPUNIT_FAIL( failure );
}
catch( CPPUNIT_NS::Exception &e )
{
exceptionCaught = true;
checkMessageContains( &e, failure );
}
CPPUNIT_ASSERT( exceptionCaught );
}
void
TestAssertTest::checkMessageContains( CPPUNIT_NS::Exception *e,
std::string expected )
{
std::string actual = e->what();
CPPUNIT_ASSERT_MESSAGE( "Expected message not found: " + expected +
", was: " + actual,
std::search( actual.begin(), actual.end(),
expected.begin(), expected.end() ) != actual.end() );
}
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