From a34e9ebc1b908d31ba645688a8b0e9e53c2d3c6e Mon Sep 17 00:00:00 2001
From: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Date: Wed, 6 May 2015 17:00:21 +0200
Subject: QLineEdit: show the clear button if it gets enabled after setting a
 text

We were fetching "lastText" too late, and setting the opacity
of the clear button to 0.

Change-Id: I82c2aea7dab4af4424fb57e12f78d07a0374457e
Task-number: QTBUG-45518
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
---
 .../widgets/widgets/qlineedit/tst_qlineedit.cpp    | 45 ++++++++++++++++++++++
 1 file changed, 45 insertions(+)

(limited to 'tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp')

diff --git a/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp b/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp
index 9417541040..adedc601a9 100644
--- a/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp
+++ b/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp
@@ -304,6 +304,7 @@ private slots:
     void undoRedoAndEchoModes();
 
     void clearButton();
+    void clearButtonVisibleAfterSettingText_QTBUG_45518();
     void sideWidgets();
 
     void shouldShowPlaceholderText_data();
@@ -4273,6 +4274,50 @@ void tst_QLineEdit::clearButton()
     QVERIFY(!clearButton->isEnabled());
 }
 
+void tst_QLineEdit::clearButtonVisibleAfterSettingText_QTBUG_45518()
+{
+#ifndef QT_BUILD_INTERNAL
+    QSKIP("This test requires a developer build");
+#else
+    QLineEdit edit;
+    edit.setMinimumWidth(200);
+    centerOnScreen(&edit);
+    QLineEditIconButton *clearButton;
+    clearButton = edit.findChild<QLineEditIconButton *>();
+    QVERIFY(!clearButton);
+
+    edit.setText(QStringLiteral("some text"));
+    edit.show();
+    QVERIFY(QTest::qWaitForWindowActive(&edit));
+
+    QVERIFY(!edit.isClearButtonEnabled());
+
+    clearButton = edit.findChild<QLineEditIconButton *>();
+    QVERIFY(!clearButton);
+
+    edit.setClearButtonEnabled(true);
+    QVERIFY(edit.isClearButtonEnabled());
+
+    clearButton = edit.findChild<QLineEditIconButton *>();
+    QVERIFY(clearButton);
+    QVERIFY(clearButton->isVisible());
+
+    QTRY_VERIFY(clearButton->opacity() > 0);
+    QTRY_COMPARE(clearButton->cursor().shape(), Qt::ArrowCursor);
+
+    QTest::mouseClick(clearButton, Qt::LeftButton, 0, clearButton->rect().center());
+    QTRY_COMPARE(edit.text(), QString());
+
+    QTRY_COMPARE(clearButton->opacity(), qreal(0));
+    QTRY_COMPARE(clearButton->cursor().shape(), clearButton->parentWidget()->cursor().shape());
+
+    edit.setClearButtonEnabled(false);
+    QVERIFY(!edit.isClearButtonEnabled());
+    clearButton = edit.findChild<QLineEditIconButton *>();
+    QVERIFY(!clearButton);
+#endif // QT_BUILD_INTERNAL
+}
+
 void tst_QLineEdit::sideWidgets()
 {
     QWidget testWidget;
-- 
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