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    41 

    42 

    43 #include <QtTest/QtTest>

    44 

    45 #ifdef QTEST_XMLPATTERNS

    46 #include <QtXmlPatterns/QXmlItem>

    47 #include <QtXmlPatterns/QXmlQuery>

    48 #include <QtXmlPatterns/QXmlResultItems>

    49 

    50 #include "../qxmlquery/MessageSilencer.h"

    51 /*!

    52  \class tst_QXmlResultItems

    53  \internal

    54  \since 4.4

    55  \brief Tests class QXmlResultItems.

    56 

    57  */

    58 class tst_QXmlResultItems : public QObject

    59 {

    60     Q_OBJECT

    61 

    62 private Q_SLOTS:

    63     void defaultConstructor() const;

    64     void next() const;

    65     void current() const;

    66     void hasError() const;

    67     void objectSize() const;

    68     void constCorrectness() const;

    69 

    70     void evalateWithInstantError() const;

    71     void evalateWithQueryError() const;

    72     void evaluate() const;

    73     void evaluate_data() const;

    74 };

    75 

    76 void tst_QXmlResultItems::defaultConstructor() const

    77 {

    78     {

    79         QXmlResultItems result;

    80     }

    81 

    82     {

    83         QXmlResultItems result1;

    84         QXmlResultItems result2;

    85     }

    86 

    87     {

    88         QXmlResultItems result1;

    89         QXmlResultItems result2;

    90         QXmlResultItems result3;

    91     }

    92 }

    93 

    94 void tst_QXmlResultItems::next() const

    95 {

    96     /* Check default value. */

    97     {

    98         QXmlResultItems result;

    99         QVERIFY(result.next().isNull());

   100     }

   101 

   102     /* Stress it on a default constructed value. */

   103     {

   104         QXmlResultItems result;

   105         QVERIFY(result.next().isNull());

   106         QVERIFY(result.next().isNull());

   107         QVERIFY(result.next().isNull());

   108     }

   109 }

   110 

   111 void tst_QXmlResultItems::current() const

   112 {

   113     /* Check default value. */

   114     {

   115         QXmlResultItems result;

   116         QVERIFY(result.current().isNull());

   117     }

   118 

   119     /* Stress it on a default constructed value. */

   120     {

   121         QXmlResultItems result;

   122         QVERIFY(result.current().isNull());

   123         QVERIFY(result.current().isNull());

   124         QVERIFY(result.current().isNull());

   125     }

   126 }

   127 

   128 void tst_QXmlResultItems::hasError() const

   129 {

   130     /* Check default value. */

   131     {

   132         QXmlResultItems result;

   133         QVERIFY(!result.hasError());

   134     }

   135 

   136     /* Stress it on a default constructed value. */

   137     {

   138         QXmlResultItems result;

   139         QVERIFY(!result.hasError());

   140         QVERIFY(!result.hasError());

   141         QVERIFY(!result.hasError());

   142     }

   143 }

   144 

   145 void tst_QXmlResultItems::objectSize() const

   146 {

   147     /* A d-pointer plus a vtable pointer. */

   148     QCOMPARE(sizeof(QXmlResultItems), sizeof(void *) * 2);

   149 }

   150 

   151 void tst_QXmlResultItems::constCorrectness() const

   152 {

   153     const QXmlResultItems result;

   154 

   155     /* These functions should be const. */

   156     result.current();

   157     result.hasError();

   158 }

   159 

   160 /*!

   161  What's special about this is that it's not the QAbstractXmlForwardIterator::next()

   162  that triggers the error, it's QPatternist::Expression::evaluateSingleton() directly.

   163  */

   164 void tst_QXmlResultItems::evalateWithInstantError() const

   165 {

   166     QXmlQuery query;

   167     MessageSilencer silencer;

   168     query.setMessageHandler(&silencer);

   169     query.setQuery(QLatin1String("fn:error()"));

   170 

   171     QXmlResultItems result;

   172     query.evaluateTo(&result);

   173 

   174     /* Check the values, and stress it. */

   175     for(int i = 0; i < 3; ++i)

   176     {

   177         QVERIFY(result.current().isNull());

   178         QVERIFY(result.next().isNull());

   179         QVERIFY(result.hasError());

   180     }

   181 }

   182 

   183 void tst_QXmlResultItems::evaluate() const

   184 {

   185     QFETCH(QString, queryString);

   186 

   187     QXmlQuery query;

   188     query.setQuery(queryString);

   189 

   190     QVERIFY(query.isValid());

   191 

   192     QXmlResultItems result;

   193     query.evaluateTo(&result);

   194     QXmlItem item(result.next());

   195 

   196     while(!item.isNull())

   197     {

   198         QVERIFY(!result.current().isNull());

   199         QVERIFY(!result.hasError());

   200         item = result.next();

   201     }

   202 

   203     /* Now, stress beyond the end. */

   204     for(int i = 0; i < 3; ++i)

   205     {

   206         QVERIFY(result.current().isNull());

   207         QVERIFY(result.next().isNull());

   208     }

   209 }

   210 

   211 void tst_QXmlResultItems::evaluate_data() const

   212 {

   213     QTest::addColumn<QString>("queryString");

   214 

   215     QTest::newRow("one atomic value") << QString::fromLatin1("1");

   216     QTest::newRow("two atomic values") << QString::fromLatin1("1, xs:hexBinary('FF')");

   217     QTest::newRow("one node") << QString::fromLatin1("attribute name {'body'}");

   218     QTest::newRow("one node") << QString::fromLatin1("attribute name {'body'}");

   219     QTest::newRow("two nodes") << QString::fromLatin1("attribute name {'body'}, <!-- comment -->");

   220 }

   221 

   222 void tst_QXmlResultItems::evalateWithQueryError() const

   223 {

   224     /* This query is invalid. */

   225     const QXmlQuery query;

   226 

   227     QXmlResultItems result;

   228     query.evaluateTo(&result);

   229 

   230     QVERIFY(result.hasError());

   231     QVERIFY(result.next().isNull());

   232 }

   233 

   234 QTEST_MAIN(tst_QXmlResultItems)

   235 

   236 #include "tst_qxmlresultitems.moc"

   237 #else

   238 QTEST_NOOP_MAIN

   239 #endif

   240 // vim: et:ts=4:sw=4:sts=4