forked from qt-creator/qt-creator
39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
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// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
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#include <QtTest/qtestcase.h>
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#include <QtTest>
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#include <utils/expected.h>
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#include <utils/filepath.h>
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using namespace Utils;
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class tst_expected : public QObject
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{
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Q_OBJECT
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private slots:
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void initTestCase() {}
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void tryMonads()
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{
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FilePath p = "idontexists.ne";
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auto result = p.fileContents()
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.and_then([](auto) { return expected_str<QByteArray>{}; })
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.or_else([](auto error) {
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return expected_str<QByteArray>(
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make_unexpected(QString("Error: " + error)));
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})
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.transform_or([](auto error) -> QString {
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return QString(QString("More Info: ") + error);
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});
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QVERIFY(!result);
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}
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};
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QTEST_GUILESS_MAIN(tst_expected)
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#include "tst_expected.moc"
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