Implement (and unit test) simple QVarLengthArray::first()/last().

Pure syntactical sugar, to match up with what the other container
classes offer.

Change-Id: I0f97de011923d9d204cca0fa906b059dc5054a89
Reviewed-by: João Abecasis <joao.abecasis@nokia.com>
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp b/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp
index 54bab55360..105b7f7314 100644
--- a/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp
+++ b/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp
@@ -56,6 +56,8 @@ private slots:
     void resize();
     void realloc();
     void count();
+    void first();
+    void last();
 };
 
 int fooCtor = 0;
@@ -655,5 +657,49 @@ void tst_QVarLengthArray::count()
     }
 }
 
+void tst_QVarLengthArray::first()
+{
+    // append some items, make sure it stays sane
+    QVarLengthArray<int> list;
+    list.append(27);
+    QCOMPARE(list.first(), 27);
+    list.append(4);
+    QCOMPARE(list.first(), 27);
+    list.append(1987);
+    QCOMPARE(list.first(), 27);
+    QCOMPARE(list.length(), 3);
+
+    // remove some, make sure it stays sane
+    list.removeLast();
+    QCOMPARE(list.first(), 27);
+    QCOMPARE(list.length(), 2);
+
+    list.removeLast();
+    QCOMPARE(list.first(), 27);
+    QCOMPARE(list.length(), 1);
+}
+
+void tst_QVarLengthArray::last()
+{
+    // append some items, make sure it stays sane
+    QVarLengthArray<int> list;
+    list.append(27);
+    QCOMPARE(list.last(), 27);
+    list.append(4);
+    QCOMPARE(list.last(), 4);
+    list.append(1987);
+    QCOMPARE(list.last(), 1987);
+    QCOMPARE(list.length(), 3);
+
+    // remove some, make sure it stays sane
+    list.removeLast();
+    QCOMPARE(list.last(), 4);
+    QCOMPARE(list.length(), 2);
+
+    list.removeLast();
+    QCOMPARE(list.last(), 27);
+    QCOMPARE(list.length(), 1);
+}
+
 QTEST_APPLESS_MAIN(tst_QVarLengthArray)
 #include "tst_qvarlengtharray.moc"