From b923553bea186e5d50b94ee8875f4d5ff6f0446a Mon Sep 17 00:00:00 2001
From: Liang Qi <liang.qi@theqtcompany.com>
Date: Wed, 13 Jan 2016 12:55:46 +0100
Subject: QQuickTextInput: added clear() method

Task-number: QTBUG-50428
Change-Id: I394c2cf1bc397dcbf6d82d3211a6b39519d7582b
Reviewed-by: J-P Nurmi <jpnurmi@theqtcompany.com>
---
 .../quick/qquicktextinput/tst_qquicktextinput.cpp  | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)

(limited to 'tests/auto/quick/qquicktextinput/tst_qquicktextinput.cpp')

diff --git a/tests/auto/quick/qquicktextinput/tst_qquicktextinput.cpp b/tests/auto/quick/qquicktextinput/tst_qquicktextinput.cpp
index 1e5b7b3848..ecaf0975a9 100644
--- a/tests/auto/quick/qquicktextinput/tst_qquicktextinput.cpp
+++ b/tests/auto/quick/qquicktextinput/tst_qquicktextinput.cpp
@@ -192,6 +192,7 @@ private slots:
     void redo();
     void undo_keypressevents_data();
     void undo_keypressevents();
+    void clear();
 
     void backspaceSurrogatePairs();
 
@@ -5724,6 +5725,56 @@ void tst_qquicktextinput::undo_keypressevents()
     QVERIFY(textInput->text().isEmpty());
 }
 
+void tst_qquicktextinput::clear()
+{
+    QString componentStr = "import QtQuick 2.0\nTextInput { focus: true }";
+    QQmlComponent textInputComponent(&engine);
+    textInputComponent.setData(componentStr.toLatin1(), QUrl());
+    QQuickTextInput *textInput = qobject_cast<QQuickTextInput*>(textInputComponent.create());
+    QVERIFY(textInput != 0);
+
+    QQuickWindow window;
+    textInput->setParentItem(window.contentItem());
+    window.show();
+    window.requestActivate();
+    QTest::qWaitForWindowActive(&window);
+    QVERIFY(textInput->hasActiveFocus());
+    QVERIFY(!textInput->canUndo());
+
+    QSignalSpy spy(textInput, SIGNAL(canUndoChanged()));
+
+    textInput->setText("I am Legend");
+    QCOMPARE(textInput->text(), QString("I am Legend"));
+    textInput->clear();
+    QVERIFY(textInput->text().isEmpty());
+
+    QCOMPARE(spy.count(), 1);
+
+    // checks that clears can be undone
+    textInput->undo();
+    QVERIFY(!textInput->canUndo());
+    QCOMPARE(spy.count(), 2);
+    QCOMPARE(textInput->text(), QString("I am Legend"));
+
+    textInput->setCursorPosition(4);
+    QInputMethodEvent preeditEvent("PREEDIT", QList<QInputMethodEvent::Attribute>());
+    QGuiApplication::sendEvent(textInput, &preeditEvent);
+    QCOMPARE(textInput->text(), QString("I am Legend"));
+    QCOMPARE(textInput->displayText(), QString("I amPREEDIT Legend"));
+    QCOMPARE(textInput->preeditText(), QString("PREEDIT"));
+
+    textInput->clear();
+    QVERIFY(textInput->text().isEmpty());
+
+    QCOMPARE(spy.count(), 3);
+
+    // checks that clears can be undone
+    textInput->undo();
+    QVERIFY(!textInput->canUndo());
+    QCOMPARE(spy.count(), 4);
+    QCOMPARE(textInput->text(), QString("I am Legend"));
+}
+
 void tst_qquicktextinput::backspaceSurrogatePairs()
 {
     // Test backspace, and delete remove both characters in a surrogate pair.
-- 
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