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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

3 files changed, 132 insertions, 0 deletions

diff --git a/tests/auto/qnumeric/.gitignore b/tests/auto/qnumeric/.gitignore
new file mode 100644
index 0000000000..c00531dd33
--- /dev/null
+++ b/tests/auto/qnumeric/.gitignore
@@ -0,0 +1 @@
+tst_qnumeric
diff --git a/tests/auto/qnumeric/qnumeric.pro b/tests/auto/qnumeric/qnumeric.pro
new file mode 100644
index 0000000000..c0af962a79
--- /dev/null
+++ b/tests/auto/qnumeric/qnumeric.pro
@@ -0,0 +1,7 @@
+load(qttest_p4)
+
+QT = core
+
+SOURCES += tst_qnumeric.cpp
+QT = core
+CONFIG += parallel_test
diff --git a/tests/auto/qnumeric/tst_qnumeric.cpp b/tests/auto/qnumeric/tst_qnumeric.cpp
new file mode 100644
index 0000000000..e7923ee79a
--- /dev/null
+++ b/tests/auto/qnumeric/tst_qnumeric.cpp
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+#include <QtGlobal>
+
+#include <math.h>
+
+class tst_QNumeric: public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void fuzzyCompare_data();
+    void fuzzyCompare();
+    void qNan();
+};
+
+void tst_QNumeric::fuzzyCompare_data()
+{
+    QTest::addColumn<double>("val1");
+    QTest::addColumn<double>("val2");
+    QTest::addColumn<bool>("isEqual");
+
+    QTest::newRow("zero") << 0.0 << 0.0 << true;
+    QTest::newRow("ten") << 10.0 << 10.0 << true;
+    QTest::newRow("large") << 1000000000.0 << 1000000000.0 << true;
+    QTest::newRow("small") << 0.00000000001 << 0.00000000001 << true;
+    QTest::newRow("eps") << 10.000000000000001 << 10.00000000000002 << true;
+    QTest::newRow("eps2") << 10.000000000000001 << 10.000000000000009 << true;
+
+    QTest::newRow("mis1") << 0.0 << 1.0 << false;
+    QTest::newRow("mis2") << 0.0 << 10000000.0 << false;
+    QTest::newRow("mis3") << 0.0 << 0.000000001 << false;
+    QTest::newRow("mis4") << 100000000.0 << 0.000000001 << false;
+    QTest::newRow("mis4") << 0.0000000001 << 0.000000001 << false;
+}
+
+void tst_QNumeric::fuzzyCompare()
+{
+    QFETCH(double, val1);
+    QFETCH(double, val2);
+    QFETCH(bool, isEqual);
+
+    QCOMPARE(::qFuzzyCompare(val1, val2), isEqual);
+    QCOMPARE(::qFuzzyCompare(val2, val1), isEqual);
+    QCOMPARE(::qFuzzyCompare(-val1, -val2), isEqual);
+    QCOMPARE(::qFuzzyCompare(-val2, -val1), isEqual);
+}
+
+void tst_QNumeric::qNan()
+{
+    double nan = qQNaN();
+#if defined( __INTEL_COMPILER)
+    QCOMPARE((0 > nan), false);
+    QCOMPARE((0 < nan), false);
+    QSKIP("This fails due to a bug in the Intel Compiler", SkipAll);
+#else
+    if (0 > nan)
+        QFAIL("compiler thinks 0 > nan");
+
+#  if defined(Q_CC_DIAB)
+    QWARN("!(0 < nan) would fail due to a bug in dcc");
+#  else
+    if (0 < nan)
+        QFAIL("compiler thinks 0 < nan");
+#  endif
+#endif
+    QVERIFY(qIsNaN(nan));
+    QVERIFY(qIsNaN(nan + 1));
+    QVERIFY(qIsNaN(-nan));
+    double inf = qInf();
+    QVERIFY(inf > 0);
+    QVERIFY(-inf < 0);
+    QVERIFY(qIsInf(inf));
+    QVERIFY(qIsInf(-inf));
+    QVERIFY(qIsInf(2*inf));
+    QCOMPARE(1/inf, 0.0);
+    QVERIFY(qIsNaN(0*nan));
+    QVERIFY(qIsNaN(0*inf));
+    QVERIFY(qFuzzyCompare(1/inf, 0.0));
+}
+
+QTEST_APPLESS_MAIN(tst_QNumeric)
+#include "tst_qnumeric.moc"