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diff --git a/basic/qa/vba_tests/clng.vb b/basic/qa/vba_tests/clng.vb
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+'
+' This file is part of the LibreOffice project.
+'
+' This Source Code Form is subject to the terms of the Mozilla Public
+' License, v. 2.0. If a copy of the MPL was not distributed with this
+' file, You can obtain one at http://mozilla.org/MPL/2.0/.
+'
+
+Option VBASupport 1
+Option Explicit
+
+Function doUnitTest() As String
+ TestUtil.TestInit
+ verify_testCLng
+ doUnitTest = TestUtil.GetResult()
+End Function
+
+Sub verify_testCLng()
+ On Error GoTo errorHandler
+
+ TestUtil.AssertEqual(CLng(-1.1), -1, "CLng(-1.1)")
+ TestUtil.AssertEqual(CLng(-1.9), -2, "CLng(-1.9)")
+ TestUtil.AssertEqual(CLng(0.2), 0, "CLng(0.2)")
+
+REM TestUtil.AssertEqual(CLng(0.5), 0, "CLng(0.5)")
+
+REM If the fraction is less than or equal to .5, the result will round down.
+REM If the fraction is greater than .5, the result will round up.
+
+ TestUtil.AssertEqual(CLng(10.51), 11, "CLng(10.51)")
+ TestUtil.AssertEqual(CLng("&H75FF"), 30207, "CLng(""&H75FF"")")
+ TestUtil.AssertEqual(CLng("&H754"), 1876, "CLng(""&H754"")")
+
+ Exit Sub
+errorHandler:
+ TestUtil.ReportErrorHandler("verify_testCLng", Err, Error$, Erl)
+End Sub