summaryrefslogtreecommitdiffstats
path: root/sal/qa/rtl/random
diff options
context:
space:
mode:
Diffstat (limited to 'sal/qa/rtl/random')
-rw-r--r--sal/qa/rtl/random/random.txt22
-rw-r--r--sal/qa/rtl/random/rtl_random.cxx363
2 files changed, 385 insertions, 0 deletions
diff --git a/sal/qa/rtl/random/random.txt b/sal/qa/rtl/random/random.txt
new file mode 100644
index 000000000..c5546df9b
--- /dev/null
+++ b/sal/qa/rtl/random/random.txt
@@ -0,0 +1,22 @@
+#
+# 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/.
+#
+# This file incorporates work covered by the following license notice:
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed
+# with this work for additional information regarding copyright
+# ownership. The ASF licenses this file to you under the Apache
+# License, Version 2.0 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.apache.org/licenses/LICENSE-2.0 .
+#
+rtl_random.createPool.createPool_001
+rtl_random.destroyPool.destroyPool_001
+rtl_random.addBytes.addBytes_001
+rtl_random.getBytes.getBytes_001
+
diff --git a/sal/qa/rtl/random/rtl_random.cxx b/sal/qa/rtl/random/rtl_random.cxx
new file mode 100644
index 000000000..4987b5a0c
--- /dev/null
+++ b/sal/qa/rtl/random/rtl_random.cxx
@@ -0,0 +1,363 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <memory>
+#include <algorithm>
+
+#include <sal/types.h>
+#include <cppunit/TestAssert.h>
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/plugin/TestPlugIn.h>
+
+#include <rtl/random.h>
+
+#include <string.h>
+
+namespace rtl_random
+{
+
+class createPool : public CppUnit::TestFixture
+{
+public:
+ // insert your test code here.
+ // this is only demonstration code
+ void createPool_001()
+ {
+ // this is demonstration code
+
+ rtlRandomPool aPool = rtl_random_createPool();
+
+ // LLA: seems to be that another test is not possible for createPool()
+ CPPUNIT_ASSERT_MESSAGE("create failed", aPool != nullptr);
+
+ rtl_random_destroyPool(aPool);
+ }
+
+ // Change the following lines only, if you add, remove or rename
+ // member functions of the current class,
+ // because these macros are need by auto register mechanism.
+
+ CPPUNIT_TEST_SUITE(createPool);
+ CPPUNIT_TEST(createPool_001);
+ CPPUNIT_TEST_SUITE_END();
+}; // class createPool
+
+class destroyPool : public CppUnit::TestFixture
+{
+public:
+ // insert your test code here.
+ void destroyPool_000()
+ {
+ // GPF, if failed
+ rtl_random_destroyPool(nullptr);
+ }
+
+ void destroyPool_001()
+ {
+ rtlRandomPool aPool = rtl_random_createPool();
+
+ // LLA: seems to be that another test is not possible for createPool()
+ CPPUNIT_ASSERT_MESSAGE("create failed", aPool != nullptr);
+
+ rtl_random_destroyPool(aPool);
+ }
+ // Change the following lines only, if you add, remove or rename
+ // member functions of the current class,
+ // because these macros are need by auto register mechanism.
+
+ CPPUNIT_TEST_SUITE(destroyPool);
+ CPPUNIT_TEST(destroyPool_000);
+ CPPUNIT_TEST(destroyPool_001);
+ CPPUNIT_TEST_SUITE_END();
+}; // class destroyPool
+
+class addBytes : public CppUnit::TestFixture
+{
+public:
+ // insert your test code here.
+ // this is only demonstration code
+ void addBytes_000()
+ {
+ rtlRandomPool aPool = rtl_random_createPool();
+
+ sal_uInt32 nBufLen = 4;
+ std::unique_ptr<sal_uInt8[]> pBuffer( new sal_uInt8[ nBufLen ] );
+ memset(pBuffer.get(), 0, nBufLen);
+
+ rtlRandomError aError = rtl_random_addBytes(nullptr, nullptr, 0);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("wrong parameter", rtl_Random_E_Argument, aError);
+
+ /* rtlRandomError */ aError = rtl_random_addBytes(aPool, nullptr, 0);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("wrong parameter", rtl_Random_E_Argument, aError);
+
+ /* rtlRandomError */ aError = rtl_random_addBytes(aPool, pBuffer.get(), nBufLen);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("wrong parameter", rtl_Random_E_None, aError);
+
+ rtl_random_destroyPool(aPool);
+ }
+
+ void addBytes_001()
+ {
+ rtlRandomPool aPool = rtl_random_createPool();
+
+ sal_uInt32 nBufLen = 4;
+ std::unique_ptr<sal_uInt8[]> pBuffer( new sal_uInt8[ nBufLen ] );
+
+ memset(pBuffer.get(), 0, nBufLen);
+
+ rtl_random_addBytes(aPool, pBuffer.get(), nBufLen);
+
+ printf("%2x %2x %2x %2x\n", pBuffer[0], pBuffer[1], pBuffer[2], pBuffer[3]);
+
+ rtl_random_destroyPool(aPool);
+ }
+
+ // Change the following lines only, if you add, remove or rename
+ // member functions of the current class,
+ // because these macros are need by auto register mechanism.
+
+ CPPUNIT_TEST_SUITE(addBytes);
+ CPPUNIT_TEST(addBytes_000);
+ CPPUNIT_TEST(addBytes_001);
+ CPPUNIT_TEST_SUITE_END();
+}; // class addBytes
+
+namespace {
+
+class Statistics
+{
+ int m_nDispensation[256];
+
+ int m_nMin;
+ int m_nMax;
+ int m_nAverage;
+ int m_nMinDeviation;
+ int m_nMaxDeviation;
+
+public:
+ void clearDispensation()
+ {
+ for (int i = 0;i < 256;++i) // clear array
+ {
+ m_nDispensation[i] = 0;
+ }
+ }
+ Statistics()
+ : m_nMin(0)
+ , m_nMax(0)
+ , m_nAverage(0)
+ , m_nMinDeviation(0)
+ , m_nMaxDeviation(0)
+ {
+ clearDispensation();
+ }
+
+ void addValue(sal_uInt8 _nIndex, sal_Int32 _nValue)
+ {
+ m_nDispensation[_nIndex] += _nValue;
+ }
+
+ void build(sal_Int32 _nCountMax)
+ {
+ m_nMin = _nCountMax;
+ m_nMax = 0;
+
+ m_nAverage = _nCountMax / 256;
+
+ m_nMinDeviation = _nCountMax;
+ m_nMaxDeviation = 0;
+
+ for (int i = 0;i < 256;++i) // show dispensation
+ {
+ m_nMin = std::min(m_nMin, m_nDispensation[i]);
+ m_nMax = std::max(m_nMax, m_nDispensation[i]);
+
+ m_nMinDeviation = std::min(m_nMinDeviation, abs(m_nAverage - m_nDispensation[i]));
+ m_nMaxDeviation = std::max(m_nMaxDeviation, abs(m_nAverage - m_nDispensation[i]));
+ }
+ }
+
+ void print()
+ {
+ // LLA: these are only info values
+ printf("\nSome statistics\n");
+ printf("Min: %d\n", m_nMin);
+ printf("Max: %d\n", m_nMax);
+ printf("Average: %d\n", m_nAverage);
+ printf("Min abs deviation: %d\n", m_nMinDeviation);
+ printf("Max abs deviation: %d\n", m_nMaxDeviation);
+ }
+
+ sal_Int32 getAverage() const {return m_nAverage;}
+ sal_Int32 getMaxDeviation() const {return m_nMaxDeviation;}
+
+};
+
+}
+
+class getBytes : public CppUnit::TestFixture
+{
+public:
+ // insert your test code here.
+ void getBytes_000()
+ {
+ rtlRandomPool aPool = rtl_random_createPool();
+
+ sal_uInt32 nBufLen = 4;
+ std::unique_ptr<sal_uInt8[]> pBuffer( new sal_uInt8[ nBufLen ] );
+ memset(pBuffer.get(), 0, nBufLen);
+
+ rtlRandomError aError = rtl_random_getBytes(nullptr, nullptr, 0);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("wrong parameter", rtl_Random_E_Argument, aError);
+
+ /* rtlRandomError */ aError = rtl_random_getBytes(aPool, nullptr, 0);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("wrong parameter", rtl_Random_E_Argument, aError);
+
+ /* rtlRandomError */ aError = rtl_random_getBytes(aPool, pBuffer.get(), nBufLen);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("wrong parameter", rtl_Random_E_None, aError);
+
+ rtl_random_destroyPool(aPool);
+ }
+
+ void getBytes_001()
+ {
+ rtlRandomPool aPool = rtl_random_createPool();
+
+ sal_uInt32 nBufLen = 4;
+ std::unique_ptr<sal_uInt8[]> pBuffer( new sal_uInt8[ nBufLen ] );
+ memset(pBuffer.get(), 0, nBufLen);
+
+ rtlRandomError aError = rtl_random_getBytes(aPool, pBuffer.get(), nBufLen);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("wrong parameter", rtl_Random_E_None, aError);
+
+ printf("%2x %2x %2x %2x\n", pBuffer[0], pBuffer[1], pBuffer[2], pBuffer[3]);
+
+ rtl_random_destroyPool(aPool);
+ }
+
+ void getBytes_002()
+ {
+ rtlRandomPool aPool = rtl_random_createPool();
+
+ sal_uInt32 nBufLen = 4;
+ std::unique_ptr<sal_uInt8[]> pBuffer( new sal_uInt8[ nBufLen << 1 ] );
+ memset(pBuffer.get(), 0, nBufLen << 1);
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("memset failed", sal_uInt8(0), pBuffer[4]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("memset failed", sal_uInt8(0), pBuffer[5]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("memset failed", sal_uInt8(0), pBuffer[6]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("memset failed", sal_uInt8(0), pBuffer[7]);
+
+ rtlRandomError aError = rtl_random_getBytes(aPool, pBuffer.get(), nBufLen);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("wrong parameter", rtl_Random_E_None, aError);
+
+ printf("%2x %2x %2x %2x %2x %2x %2x %2x\n", pBuffer[0], pBuffer[1], pBuffer[2], pBuffer[3], pBuffer[4], pBuffer[5], pBuffer[6], pBuffer[7]);
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("internal memory overwrite", sal_uInt8(0), pBuffer[4]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("internal memory overwrite", sal_uInt8(0), pBuffer[5]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("internal memory overwrite", sal_uInt8(0), pBuffer[6]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("internal memory overwrite", sal_uInt8(0), pBuffer[7]);
+
+ rtl_random_destroyPool(aPool);
+ }
+
+ void getBytes_003()
+ {
+ rtlRandomPool aPool = rtl_random_createPool();
+
+ sal_uInt32 nBufLen = 1;
+ std::unique_ptr<sal_uInt8[]> pBuffer( new sal_uInt8[ nBufLen ] );
+ memset(pBuffer.get(), 0, nBufLen);
+
+ Statistics aStat;
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("memset failed", static_cast<sal_uInt8>(0), pBuffer[0]);
+
+ int nCount = 0;
+
+ int nCountMax = 1000000;
+ for(nCount = 0;nCount < nCountMax; ++nCount) // run 100000000 through getBytes(...)
+ {
+ /* rtlRandomError aError = */ rtl_random_getBytes(aPool, pBuffer.get(), nBufLen);
+ /* CPPUNIT_ASSERT_MESSAGE("wrong parameter", aError == rtl_Random_E_None); */
+
+ aStat.addValue(pBuffer[0], 1);
+ }
+
+ aStat.build(nCountMax);
+ aStat.print();
+
+ CPPUNIT_ASSERT_MESSAGE("deviation should be less average", aStat.getMaxDeviation() < aStat.getAverage());
+
+ rtl_random_destroyPool(aPool);
+ }
+
+ void getBytes_003_1()
+ {
+ rtlRandomPool aPool = rtl_random_createPool();
+
+ sal_uInt32 nBufLen = 256;
+ std::unique_ptr<sal_uInt8[]> pBuffer( new sal_uInt8[ nBufLen ] );
+ memset(pBuffer.get(), 0, nBufLen);
+
+ Statistics aStat;
+
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("memset failed", static_cast<sal_uInt8>(0), pBuffer[0]);
+
+ int nCount = 0;
+
+ int nCountMax = 10000;
+ for(nCount = 0;nCount < nCountMax; ++nCount) // run 100000000 through getBytes(...)
+ {
+ /* rtlRandomError aError = */ rtl_random_getBytes(aPool, pBuffer.get(), nBufLen);
+ // CPPUNIT_ASSERT_MESSAGE("wrong parameter", aError == rtl_Random_E_None);
+
+ for (sal_uInt32 i=0;i<nBufLen;++i)
+ aStat.addValue(pBuffer[i], 1);
+ }
+
+ aStat.build(nCountMax * nBufLen);
+ aStat.print();
+
+ CPPUNIT_ASSERT_MESSAGE("deviation should be less average", aStat.getMaxDeviation() < aStat.getAverage());
+
+ rtl_random_destroyPool(aPool);
+ }
+
+ // Change the following lines only, if you add, remove or rename
+ // member functions of the current class,
+ // because these macros are need by auto register mechanism.
+
+ CPPUNIT_TEST_SUITE(getBytes);
+ CPPUNIT_TEST(getBytes_000);
+ CPPUNIT_TEST(getBytes_001);
+ CPPUNIT_TEST(getBytes_002);
+ CPPUNIT_TEST(getBytes_003);
+ CPPUNIT_TEST(getBytes_003_1);
+ CPPUNIT_TEST_SUITE_END();
+}; // class getBytes
+
+CPPUNIT_TEST_SUITE_REGISTRATION(rtl_random::createPool);
+CPPUNIT_TEST_SUITE_REGISTRATION(rtl_random::destroyPool);
+CPPUNIT_TEST_SUITE_REGISTRATION(rtl_random::addBytes);
+CPPUNIT_TEST_SUITE_REGISTRATION(rtl_random::getBytes);
+} // namespace rtl_random
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 10:08:53 +0000