From 37f617c405ae4f26cbb6bb4f08d61d6ccc111a98 Mon Sep 17 00:00:00 2001
From: Allan Sandfeld Jensen <allan.jensen@qt.io>
Date: Fri, 9 Nov 2018 14:05:35 +0100
Subject: Add qfloat16 support to QCOMPARE

Change-Id: Ide06f215a888328308a06e7e48edd666f790a5f0
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
---
 tests/auto/testlib/selftests/float/tst_float.cpp | 39 ++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'tests/auto/testlib/selftests/float/tst_float.cpp')

diff --git a/tests/auto/testlib/selftests/float/tst_float.cpp b/tests/auto/testlib/selftests/float/tst_float.cpp
index 2fffcc7803..b12bc24c58 100644
--- a/tests/auto/testlib/selftests/float/tst_float.cpp
+++ b/tests/auto/testlib/selftests/float/tst_float.cpp
@@ -27,6 +27,7 @@
 ****************************************************************************/
 
 #include <QtCore/QCoreApplication>
+#include <QtCore/qfloat16.h>
 #include <QtTest/QtTest>
 #include <QDebug>
 
@@ -36,6 +37,8 @@ class tst_float: public QObject
 private slots:
     void floatComparisons() const;
     void floatComparisons_data() const;
+    void float16Comparisons() const;
+    void float16Comparisons_data() const;
     void compareFloatTests() const;
     void compareFloatTests_data() const;
 };
@@ -79,6 +82,42 @@ void tst_float::floatComparisons_data() const
         << float(100002);
 }
 
+void tst_float::float16Comparisons() const
+{
+    QFETCH(qfloat16, operandLeft);
+    QFETCH(qfloat16, operandRight);
+
+    QCOMPARE(operandLeft, operandRight);
+}
+
+void tst_float::float16Comparisons_data() const
+{
+    QTest::addColumn<qfloat16>("operandLeft");
+    QTest::addColumn<qfloat16>("operandRight");
+
+    QTest::newRow("should SUCCEED 1")
+        << qfloat16(0)
+        << qfloat16(0);
+
+    QTest::newRow("should FAIL 1")
+        << qfloat16(1.000)
+        << qfloat16(3.000);
+
+    QTest::newRow("should FAIL 2")
+        << qfloat16(1.000e-4f)
+        << qfloat16(3.000e-4f);
+
+    // QCOMPARE for qfloat16s uses qFuzzyCompare()
+
+    QTest::newRow("should FAIL 3")
+        << qfloat16(98)
+        << qfloat16(99);
+
+    QTest::newRow("should SUCCEED 2")
+        << qfloat16(1001)
+        << qfloat16(1002);
+}
+
 void tst_float::compareFloatTests() const
 {
     QFETCH(float, t1);
-- 
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