genericopenlibs/cstdlib/TSTLIB/T_SPRINTF.CPP
author andy simpson <andrews@symbian.org>
Wed, 16 Jun 2010 08:14:03 +0100
branchGCC_SURGE
changeset 36 6a60b9d459b4
parent 0 e4d67989cc36
permissions -rw-r--r--
GCCE fixes (Bug 2971) (see also Bug 1713 on CompilerCompatibilty branch) : Remove overqualified method name and change check for ULong to not try and test typedef
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include <e32test.h>
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#include <e32svr.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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//
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// Globals
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static RTest TheTest(_L("T_SPRINTF"));
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//
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//
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//Test macro and function
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static void Check(TInt aValue, TInt aLine)
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	{
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	if(!aValue)
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		{
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		TheTest(EFalse, aLine);
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		}
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	}
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#define TEST(arg) ::Check((arg), __LINE__)
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//
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// Tests
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/**
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@SYMTestCaseID 			SYSLIB-STDLIB-UT-1670
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@SYMTestCaseDesc	    Making sure that error codes are returned from sprintf when when out of memory. 
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@SYMTestPriority 	    Critical
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@SYMTestActions  	    Sets heap failures to occur at different stages and calls sprintf. The sprintf function should return with error codes
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						when errors occur.
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@SYMTestExpectedResults The test should not fail.
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@SYMDEF 				DEF083988
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*/	
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void DEF083988()
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	{
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    TheTest.Next(_L(" @SYMTestCaseID:SYSLIB-STDLIB-UT-1670 DEF083988 - Prop: sprintf panics with ESTLIB-INIT 0 when out of memory "));
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	int ret;
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	char buf[30];
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	char* hw = "How are you?";	
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	#ifdef _DEBUG
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	const int err = -1;
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	__UHEAP_FAILNEXT(1);
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    ret = sprintf(buf, "Hello");
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	TEST(ret == err);  // Error returned as memory needed to be allocated, but none was spare.	
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	__UHEAP_RESET;
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	__UHEAP_FAILNEXT(2);
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    ret = sprintf(buf, "Hello");
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	TEST(ret == 5);  // No Error, as memory allocation failure did not affected sprintf.
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	TEST(strcmp(buf, "Hello")==0);
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	__UHEAP_RESET;
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	// Releases all the STDLIB resources so memory for the globals will need to be allocated once more.	
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	CloseSTDLIB(); 
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	#endif
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	#ifdef _DEBUG
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	__UHEAP_FAILNEXT(3);
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    ret = sprintf(buf, "Hello");
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	TEST(ret == err);  // Error returned as memory needed to be allocated, but none was spare.
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	__UHEAP_RESET;	
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	CloseSTDLIB();
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	#endif
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    ret = sprintf(buf, "Hello");
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	TEST(strcmp(buf, "Hello") == 0);
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	TEST(ret == 5);  // Returns the number of characters printed.
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	ret = sprintf(buf, hw);
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	TEST(strcmp(buf, "How are you?") == 0);
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	TEST(ret == 12); // Returns the number of characters printed, as the memory is already allocated.
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	#ifdef _DEBUG
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	__UHEAP_FAILNEXT(1);	
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	ret = sprintf(buf, hw);
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	TEST(strcmp(buf, "How are you?") == 0);
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	TEST(ret == 12); // Returns the number of characters printed, as the memory is already allocated.
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	__UHEAP_RESET;
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	#endif
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	CloseSTDLIB();
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	ret = sprintf(buf, "How are you?");
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	TEST(strcmp(buf, "How are you?") == 0);
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	TEST(ret == 12); // Returns the number of characters printed, as the memory is able to be allocated.
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	CloseSTDLIB();
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	}
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static void Main()
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	{
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	TheTest.Start(_L("Defect..."));
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	DEF083988(); //DEF083988 - Prop: sprintf panics with ESTLIB-INIT 0 when out of memory
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	}
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TInt E32Main()
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	{
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	__UHEAP_MARK;
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	CTrapCleanup* tc = CTrapCleanup::New();
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    TEST(tc != NULL);
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	CloseSTDLIB();
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	TheTest.Title();
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    ::Main();
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	TheTest.End();
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	TheTest.Close();
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	delete tc;
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	CloseSTDLIB();	
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	__UHEAP_MARKEND;
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	User::Heap().Check();
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	return KErrNone;
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	}