QString: add auto test for chop()

Change-Id: I8fc65c65776a64cc92e8cba3993d17746be81ba1
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

1 files changed, 26 insertions, 0 deletions

diff --git a/tests/auto/corelib/tools/qstring/tst_qstring.cpp b/tests/auto/corelib/tools/qstring/tst_qstring.cpp
index a922e3ad27..601987086d 100644
--- a/tests/auto/corelib/tools/qstring/tst_qstring.cpp
+++ b/tests/auto/corelib/tools/qstring/tst_qstring.cpp
@@ -482,6 +482,7 @@ private slots:
     void sprintf();
     void fill();
     void truncate();
+    void chop();
     void constructor();
     void constructorQByteArray_data();
     void constructorQByteArray();
@@ -1221,6 +1222,31 @@ void tst_QString::truncate()
 
 }
 
+void tst_QString::chop()
+{
+    const QString original("abcd");
+
+    QString str = original;
+    str.chop(1);
+    QCOMPARE(str, QLatin1String("abc"));
+
+    str = original;
+    str.chop(0);
+    QCOMPARE(str, original);
+
+    str = original;
+    str.chop(-1);
+    QCOMPARE(str, original);
+
+    str = original;
+    str.chop(original.size());
+    QVERIFY(str.isEmpty());
+
+    str = original;
+    str.chop(1000);
+    QVERIFY(str.isEmpty());
+}
+
 void tst_QString::fill()
 {
     QString e;