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-rw-r--r--basic/qa/vba_tests/cstr.vb40
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diff --git a/basic/qa/vba_tests/cstr.vb b/basic/qa/vba_tests/cstr.vb
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+++ b/basic/qa/vba_tests/cstr.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_testCStr
+ doUnitTest = TestUtil.GetResult()
+End Function
+
+Sub verify_testCStr()
+ On Error GoTo errorHandler
+
+ Dim n
+ n = 437.324
+ TestUtil.AssertEqual(CStr(n), "437.324", "CStr(n)")
+ TestUtil.AssertEqual(CStr(500), "500", "CStr(500)")
+
+ ' tdf#143575 - round string to their nearest double representation
+ ' N.B.: check also how current conversion rounds a close number
+ ' Without the fix in place, this test would have failed with:
+ ' - Expected: 691.2
+ ' - Actual : 691.2000000000001
+ TestUtil.AssertEqual(CStr(691.2), "691.2", "CStr(691.2)")
+ ' Without the fix in place, this test would have failed with:
+ ' - Expected: 691.2
+ ' - Actual : 691.1999999999999
+ TestUtil.AssertEqual(CStr(123.4 + 567.8), "691.2", "CStr(123.4 + 567.8)")
+
+ Exit Sub
+errorHandler:
+ TestUtil.ReportErrorHandler("verify_testCStr", Err, Error$, Erl)
+End Sub