From 75f5e2bef2ab942f89d5d025ecd45ee4d18e3d57 Mon Sep 17 00:00:00 2001 From: Marc Mutz Date: Fri, 10 Mar 2017 15:27:40 +0100 Subject: Deprecate QString::null It's a Qt 3 compatibility vehicle, and as such inherits the now-alien property to distinguish empty and null strings. Particularly worrisome is the following asymmetry: QString("") == QString::null // false QString("") == QString(QString::null) // true Instead of fixing this behavior, recognize that people might use it as a weird way to call isNull(), albeit one that once was idiomatic, and simply deprecate everything that deals with QString::null. [ChangeLog][QtCore][QString] QString::null is now deprecated. When used to construct a QString, use QString() instead. When used to compare to a QString, replace with QString::isNull(). Change-Id: I9f7e84a92522c75666da15f49324c500ae93af42 Reviewed-by: Thiago Macieira Reviewed-by: Anton Kudryavtsev --- tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp | 4 ++-- tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp | 10 +++++----- .../auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp | 2 +- tests/auto/widgets/widgets/qtextedit/tst_qtextedit.cpp | 2 +- 4 files changed, 9 insertions(+), 9 deletions(-) (limited to 'tests/auto/widgets') diff --git a/tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp b/tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp index 62c75cadf3..9d0c939d84 100644 --- a/tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp +++ b/tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp @@ -701,14 +701,14 @@ void tst_QShortcut::disabledItems() sendKeyEvents( Qt::CTRL+Qt::Key_M, 0 ); QCOMPARE( currentResult, NoResult ); if (over_330) - QCOMPARE( sbText, QString::null ); + QCOMPARE( sbText, QString() ); currentResult = NoResult; sendKeyEvents( Qt::CTRL+Qt::Key_K, 0 ); sendKeyEvents( Qt::CTRL+Qt::Key_L, 0 ); QCOMPARE( currentResult, Slot1Triggered ); if (over_330) - QCOMPARE( sbText, QString::null ); + QCOMPARE( sbText, QString() ); #endif clearAllShortcuts(); cut1 = 0; diff --git a/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp b/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp index 4c0ffdc77c..330ce3a836 100644 --- a/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp +++ b/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp @@ -713,8 +713,8 @@ void tst_QLineEdit::clearInputMask() { QLineEdit *testWidget = ensureTestWidget(); testWidget->setInputMask("000.000.000.000"); - QVERIFY(testWidget->inputMask() != QString::null); - testWidget->setInputMask(QString::null); + QVERIFY(!testWidget->inputMask().isNull()); + testWidget->setInputMask(QString()); QCOMPARE(testWidget->inputMask(), QString()); } @@ -2277,7 +2277,7 @@ void tst_QLineEdit::textChangedAndTextEdited() changed_count = 0; edited_count = 0; - changed_string = QString::null; + changed_string.clear(); testWidget->setText("foo"); QCOMPARE(changed_count, 1); @@ -2286,7 +2286,7 @@ void tst_QLineEdit::textChangedAndTextEdited() changed_count = 0; edited_count = 0; - changed_string = QString::null; + changed_string.clear(); testWidget->setText(""); QCOMPARE(changed_count, 1); @@ -3108,7 +3108,7 @@ void tst_QLineEdit::maxLengthAndInputMask() QVERIFY(testWidget->inputMask().isNull()); testWidget->setMaxLength(10); QCOMPARE(testWidget->maxLength(), 10); - testWidget->setInputMask(QString::null); + testWidget->setInputMask(QString()); QVERIFY(testWidget->inputMask().isNull()); QCOMPARE(testWidget->maxLength(), 10); } diff --git a/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp b/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp index 31bbcf9c7f..af0ad1a601 100644 --- a/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp +++ b/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp @@ -362,7 +362,7 @@ void tst_QPlainTextEdit::emptyAppend() { ed->appendPlainText("Blah"); QCOMPARE(blockCount(), 1); - ed->appendPlainText(QString::null); + ed->appendPlainText(QString()); QCOMPARE(blockCount(), 2); ed->appendPlainText(QString(" ")); QCOMPARE(blockCount(), 3); diff --git a/tests/auto/widgets/widgets/qtextedit/tst_qtextedit.cpp b/tests/auto/widgets/widgets/qtextedit/tst_qtextedit.cpp index cecec48113..b9ea310d80 100644 --- a/tests/auto/widgets/widgets/qtextedit/tst_qtextedit.cpp +++ b/tests/auto/widgets/widgets/qtextedit/tst_qtextedit.cpp @@ -676,7 +676,7 @@ void tst_QTextEdit::emptyAppend() { ed->append("Blah"); QCOMPARE(blockCount(), 1); - ed->append(QString::null); + ed->append(QString()); QCOMPARE(blockCount(), 2); ed->append(QString(" ")); QCOMPARE(blockCount(), 3); -- cgit v1.2.3