本文整理汇总了C++中UtlDList::first方法的典型用法代码示例。如果您正苦于以下问题：C++ UtlDList::first方法的具体用法？C++ UtlDList::first怎么用？C++ UtlDList::first使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类UtlDList的用法示例。
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示例1: testFirst_And_Last
/*!a Test case to test the first() and last() method.
*
* The test data for this test case is :-
* a) Test the first and last element after appending
* b) Test the first and last element after insertAt(midlevel)
* c) Test the first and last element after insertAt(0)
* d) Test the first and last element after insertAt(last)
*/
void testFirst_And_Last()
{
const char* prefix1 = "Test the first() method ";
const char* prefix2 = "Test the last() method " ;
string msg ;
UtlContainable* uActual ;
UtlContainable* uData ;
UtlContainable* uExpected ;
const char* Msgs[] = { \
"after appending ", \
"after insertAt(0) ", \
"after insertAt(last) ", \
"after insertAt(mid-level) " \
} ;
// Since this testcase requires a different test data
// for each of its test data, the regula test-matrix
// technique is not being used here.
// create a new list and append one element to it.
UtlDList testList ;
uData = commonContainables[0] ;
testList.append(uData);
// Test the first() and last() element immeidately after
// appending to an empty list.
TestUtilities::createMessage(2, &msg, prefix1, Msgs[0]);
uActual = testList.first() ;
CPPUNIT_ASSERT_EQUAL_MESSAGE(msg.data(), uData, uActual) ;
uActual = testList.last() ;
TestUtilities::createMessage(2, &msg, prefix2, Msgs[0]) ;
CPPUNIT_ASSERT_EQUAL_MESSAGE(msg.data(), uData, uActual) ;
// insert more values to populate the List
testList.append(commonContainables[1]) ;
testList.append(commonContainables[2]) ;
// test the first() / last() methods
// after insertAt(0..)
uData = commonContainables[3] ;
testList.insertAt(0, uData) ;
uExpected = commonContainables[3] ;
uActual = testList.first() ;
TestUtilities::createMessage(2, &msg, prefix1, Msgs[1]) ;
CPPUNIT_ASSERT_EQUAL_MESSAGE(msg.data(), uExpected, uActual) ;
uExpected = commonContainables[2] ;
uActual = testList.last() ;
TestUtilities::createMessage(2, &msg, prefix2, Msgs[1]) ;
CPPUNIT_ASSERT_EQUAL_MESSAGE(msg.data(), uExpected, uActual) ;
// test after inserting at the last location
uData = commonContainables[4] ;
testList.insertAt(4, uData) ;
uExpected = commonContainables[3] ;
uActual = testList.first() ;
TestUtilities::createMessage(2, &msg, prefix1, Msgs[2]) ;
CPPUNIT_ASSERT_EQUAL_MESSAGE(msg.data(), uExpected, uActual) ;
uExpected = commonContainables[4] ;
uActual = testList.last() ;
TestUtilities::createMessage(2, &msg, prefix2, Msgs[2]) ;
CPPUNIT_ASSERT_EQUAL_MESSAGE(msg.data(), uExpected, uActual) ;
//test after inserting at the midLocation
uData = commonContainables[5] ;
testList.insertAt(2, uData) ;
uExpected = commonContainables[3] ;
uActual = testList.first() ;
TestUtilities::createMessage(2, &msg, prefix1, Msgs[3]) ;
CPPUNIT_ASSERT_EQUAL_MESSAGE(msg.data(), uExpected, uActual) ;
uExpected = commonContainables[4] ;
uActual = testList.last() ;
TestUtilities::createMessage(2, &msg, prefix2, Msgs[3]) ;
CPPUNIT_ASSERT_EQUAL_MESSAGE(msg.data(), uExpected, uActual) ;
} //testFirst_And_Last